Commit graph

684 commits

Author SHA1 Message Date
Gergő Magyar
cabd5b82f9
fix(go): model Go method sets exactly so interface satisfaction is decidable (#2813) (#2829)
* test(go): pin calls through an interface-typed struct field (#2813)

A call through an interface-typed struct field never reaches the
implementation: the CALLS edge stops at the interface DECLARATION, so
`impact()` on the implementing method reports 0 callers. This commit adds
the executable statement of that defect; the fixes follow.

Two stacked defects produce it, and either alone is enough to reproduce —
which is why no existing fixture could observe it:

  D1  `buildDetectionIndexes` skips every POINTER-receiver method, so a
      struct whose methods are all `func (r *T)` has an empty method set,
      structurally satisfies nothing, and gets no IMPLEMENTS edge. Go's
      rule is that the method set of *T includes pointer-receiver methods,
      and idiomatic Go stores *T in an interface-typed field.
  D2  Case 0 (compound receiver) emits its primary edge and short-circuits
      without the interface-dispatch fan-out Case 4 performs. A struct
      field receiver `s.orderRepo` contains a dot and so always takes
      Case 0; a local or parameter receiver is a bare name and reaches
      Case 4.

Every implementor in both pre-existing structural-dispatch fixtures uses a
VALUE receiver, and the one pointer-receiver type is pinned as a negative
(`not.toContain('PointerOnlyThing -> PointerOnly')`), so the corpus could
not see D1 by construction. The new fixture is pointer-receiver
throughout, cross-package, and carries concrete-field controls in the same
structs.

Failing-first, verified against this tree: 7 of the 11 new assertions fail
and 4 pass. The 4 that pass are exactly the controls that must not
regress — the primary edge to the interface declaration, the concrete-field
call, the absence of fan-out on a concrete field, and the partial-signature
negative — so the suite discriminates rather than merely failing.

Two recorded artifacts move here because the FIXTURE was added, not
because capture output changed:

  - test/fixtures/go-captures-golden/expected-captures.json — regenerated
    additively (32 insertions, 0 deletions).
  - bench/scope-capture/baselines.json — go fingerprint, fixture_count
    102 -> 110.

Both are regenerated in this commit rather than deferred to the end of the
series: the fixture is their only cause, no later commit touches capture
emission, so they cannot re-drift and every commit stays green. The check
that this is corpus growth and not a capture regression is that go was the
only one of 15 language fingerprints to move on the same run.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(go): count pointer-receiver methods toward structural interface satisfaction (#2813)

D1 of two stacked defects. `buildDetectionIndexes` skipped every method whose
receiver is a pointer, so a struct declaring `func (r *OrderRepo) DeleteItem(...)`
had an EMPTY method set, structurally satisfied nothing, and produced no
IMPLEMENTS edge at all.

Go's method-set rule is per-type, and there are two types involved: the method
set of `T` holds only value-receiver methods, while the method set of `*T` holds
both. #1966 implemented the `T` reading, which is exactly right for `T` — and
leaves `*T` permanently empty. GitNexus models one Struct node per type with no
separate `*T` node, so only one of the two can be represented, and the `T`
reading is the one idiomatic Go almost never uses: methods take pointer
receivers so they can mutate, and `*T` is what gets stored in an interface-typed
field.

The cost was silence rather than caution. With no IMPLEMENTS edge, a call
through an interface-typed field resolved to the interface DECLARATION and
`impact()` on the implementing method returned 0 callers — byte-identical to a
symbol that genuinely has none, which is what made the reporter's blast-radius
check unusable rather than merely incomplete.

This picks the `*T` reading: the graph now answers "which types provide this
interface's behaviour", and no longer proves `var x I = T{}` invalid. The trade
is deliberate and was checked against every consumer of IMPLEMENTS before being
made — MRO/METHOD_IMPLEMENTS derivation, community clustering, the
receiver-dispatch fan-out index, and the epistemic heritage probe. None performs
value-assignability checking.

Two negative pins encoded the #1966 decision and are REVERSED here rather than
deleted, each keeping a comment that explains why the polarity moved:
  - go.test.ts: `PointerOnlyThing -> PointerOnly` now expected to be emitted.
  - go-hooks.test.ts: the pointer-receiver-only unit case now expects the
    implementor instead of `undefined`.

`goReceiverKind` is still stamped in method-owners.ts — it is the hook a future
value/pointer-aware model would read — but is deliberately no longer a filter.
Its now-dead local predicate and type alias are removed so the file no longer
carries a helper asserting the reverted rule.

Measured on the #2813 fixture, this commit alone: the two IMPLEMENTS assertions
flip to passing (6 pass, up from 4) while the five interface-dispatch fan-out
assertions still fail — those are D2, fixed in the next commit. Keeping the two
commits separate is what makes that attribution visible.

Go unit suite: 91 passed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(resolution): fan out interface dispatch from a compound receiver (#2813)

D2 of two stacked defects, and the one that closes the issue. Case 0
(compound receiver) emitted its primary edge and short-circuited without the
interface-dispatch fan-out that Case 4 performs, so a call whose receiver is a
struct FIELD stopped at the interface's method DECLARATION and never reached
any implementation.

The gap was a property of receiver SYNTAX rather than of types. Case 0 is
selected by `receiverName.includes('.')`, so a field receiver (`s.orderRepo`)
always lands there, while the very same interface reached through a local or a
parameter is a bare name and falls through to Case 4 — which fans out
correctly. Field-held interfaces, i.e. dependency injection, were the half that
silently lost every implementation edge; the pre-existing fixtures exercise the
local and parameter forms only, which is why the suite was green.

The fix is the call Case 4 already makes, placed after Case 0's primary
`tryEmitEdge` and before its `handledSites.add`. It stays language-agnostic
(AGENTS.md section 42): `emitInterfaceDispatchFor` self-gates on
`ownerDef.type !== 'Interface'`, so a receiver that folds to a Struct emits
nothing extra and no language check is needed. Confidence is Case 0's own 0.85
literal, not Case 4's site.kind-dependent value — Case 0 has no read/write arm
to mirror.

The case ladder itself is untouched: invariant I4 in contract/scope-resolver.ts
makes the ordering a contract, so the fan-out is added INSIDE Case 0 rather
than by reordering or merging cases.

Also flips a second, previously unnoticed encoding of the #1966 value-only
reading that the full sweep surfaced: the exact-set assertion at
go.test.ts:361 enumerates every structural IMPLEMENTS edge, and D1 correctly
adds `PointerOnlyThing -> PointerOnly` to it. It is D1 fallout rather than D2's,
but D1 had already landed; recording it here with its reason beats amending a
commit whose separate measurability is the point.

Measured:
  - #2813 suite: 11 of 11 pass (was 7 failing after D1 alone, which fixed only
    the two IMPLEMENTS rows).
  - go.test.ts: 160 passed.
  - Full cross-language sweep, test/integration/resolvers: 3027 passed,
    1 skipped, across 52 files. The single failure in that run was the
    exact-set assertion above, fixed here; no other language regressed.

`detect_changes` rates this HIGH (6 affected flows, all EmitReceiverBoundCalls
at step 1) — inherent to editing a hub symbol in the resolution pipeline. The
sweep above is the empirical answer to that label.

An existing index must be re-analyzed to show the new edges; this changes what
the resolver produces, not how it is stored, so no SCHEMA_BUMP applies.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(go): pin the heritage edges that make impact() hedge an interface-bound count (#2813)

The epistemic half of the issue, resolved by MEASUREMENT rather than by new
code, and pinned at its mechanism.

The reporter's disqualifying complaint was that `impact()` reported
`impactedCount 0, epistemic "exact", risk LOW` for a method reachable only
through an interface-typed field — byte-identical to what it reports for a
symbol that genuinely has no callers. A zero therefore could not be used
defensively, which was the entire use case.

That verdict comes from `computeEpistemicBoundary`, which has two producers and
neither fired: the call sites were not DROPPED (they resolved, just to the
interface declaration, so the #2744 receiver-typing producer saw nothing), and
its heritage probe walks IMPLEMENTS/METHOD_IMPLEMENTS edges out of the queried
symbol — of which there were none, because the pointer-receiver exclusion (D1)
meant no such edge was ever emitted.

Restoring those edges fixes the epistemics as a side effect, so the planned
conditional change to local-backend.ts is NOT needed. Measured on this fixture
against the fixed tree:

  impact(OrderRepo.DeleteItem, upstream)
    before: impactedCount 0,  epistemic "exact"
    after:  impactedCount 3,  epistemic "lower-bound", with an interface
            boundary note; the three callers are OrderHandlers.Delete,
            PickService.StartSession and WaveService.Release — all correct.

  impact(CartRepo.Get, upstream)  [concrete receiver, no interface]
    after:  impactedCount 1,  epistemic "exact"

The second row is the one that matters for trust: the hedge discriminates
instead of firing on everything, so "exact" still means exact.

This test asserts the METHOD_IMPLEMENTS edges the probe walks. Pinning the
mechanism keeps the resolver suite from reaching into the MCP layer while still
failing loudly if the edges regress; the impact() numbers above are recorded in
the commit message and PR body rather than re-asserted here.

#2813 suite: 12 passed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(go): model Go method sets exactly so interface satisfaction is decidable (#2813)

Replaces the approximate structural-interface model with the rules the Go spec
actually defines, so the graph answers what the compiler answers instead of a
useful-but-wrong summary of it. Three answers were provably wrong before; all
three are now exact and covered.

Method sets (go.dev/ref/spec#Method_sets):
  MS(T)  = methods declared with receiver T
  MS(*T) = methods declared with receiver *T OR T

Promotion (#Struct_types):
  S embeds T  -> MS(S) and MS(*S) get promoted methods with receiver T;
                 MS(*S) ALSO gets those with receiver *T
  S embeds *T -> MS(S) AND MS(*S) both get receiver T or *T

Identifier identity (#Uniqueness_of_identifiers): "Two identifiers are different
if they are spelled differently, OR IF THEY APPEAR IN DIFFERENT PACKAGES AND ARE
NOT EXPORTED."

  func (b *Base) Ping()      // pointer receiver
  type ByValue struct{ Base }
  type ByPointer struct{ *Base }

  type            before          exact answer
  Base            IMPLEMENTS      only *Base implements
  ByValue         IMPLEMENTS      only *ByValue implements
  ByPointer       IMPLEMENTS      the VALUE type implements

All three were the same edge. Two of the three were wrong, and nothing in the
graph could tell them apart.

Worse, in a different direction:

  package sealed;  type Sealed interface { seal() }
  package foreign; func (t *T) seal() {}

`foreign.T` cannot implement `sealed.Sealed` in Go — `seal` is unexported, so the
two identifiers are DIFFERENT. Matching on the bare name emitted a FALSE
IMPLEMENTS edge, and the interface-dispatch fan-out then turned it into an
impossible CALLS edge. That is the entire basis of the sealed-interface idiom.

- `methodSetKey` qualifies UNEXPORTED method names with their declaring package,
  leaving exported names unqualified (which is what makes cross-package
  satisfaction work at all). Exactness, not a heuristic: the sealed case now
  emits no edge, while the legitimate same-package implementor is retained.
- `collectStructMethodEntries` builds MS(T) and MS(*T) together and applies the
  promotion table above. The embed FORM is load-bearing, so it is now captured:
  `@reference.embedded-pointer` records `*T` versus `T`, which the parser
  previously discarded (the `*` is an unnamed token).
- Detection returns `{ structDefId, receiverForm }`. `receiverForm: 'pointer'`
  means the value type does NOT implement and only `*T` does — the fact
  `var x I = T{}` turns on.
- The form rides in the edge `reason` (`-structural-implements-pointer`).
  Relationships carry no arbitrary properties, so a new field would change the
  relation DDL, move SCHEMA_FINGERPRINT and force a rebuild for a fact a string
  already expresses. Value-form implementors keep the ORIGINAL unsuffixed
  reason, so a consumer matching the old string now sees exactly the assignable
  set — which is what that string always claimed to mean.

- `emitInterfaceDispatchFor` walks the SUBTYPE CLOSURE (IMPLEMENTS + EXTENDS) and
  skips bodiless declarations, instead of stopping at depth 1. Two reproduced
  Java shapes emitted an edge to a second abstract declaration while the only
  class with a body got nothing: a sub-interface that re-declares the method, and
  an abstract base between interface and implementation. Both now reach the
  implementation and neither emits the declaration edge.
- The fan-out is bounded by `MAX_INTERFACE_DISPATCH_FANOUT` (32,
  `GITNEXUS_MAX_INTERFACE_DISPATCH_FANOUT`) and reports what it dropped, mirroring
  `MAX_PROPERTY_DISPATCH_FANOUT`. A bare cap would silently discard valid dispatch
  targets, which is the same false-safe silence this issue is about.
- Corrects a rationale comment that was factually wrong about the code 70 lines
  above it (Case 0 DOES branch on `site.kind`, at :713-716; what it lacks is a
  read/write branch in its reason/confidence computation).
- Updates both copies of the case-ladder contract, which still described the
  fan-out as Case-4-exclusive.

The embed-pointer marker is PARSE-TIME capture emission, so a warm cache would
replay the pre-marker capture set and the distinction would never appear —
silently, the v27/v30 failure mode. 43 and not 40 because origin/main allocated
40, 41 and 42 while this branch was in review, which is exactly the window this
file's history records both prior EXACT clashes landing in. Pin moved with it.
RE-CHECK AGAINST origin/main IMMEDIATELY BEFORE MERGE.

- Go unit: 93 passed, including new rows pinning that `populateGoOwners` stamps
  `goReceiverKind` (previously the field had no reader and could rot silently)
  and that a pointer-receiver-only type implements in POINTER form only.
- Cross-language sweep, test/integration/resolvers: 3034 passed, 1 skipped,
  52 files, zero regressions.
- scope-capture bench: PASS (15 languages). Go is the ONLY fingerprint that
  moved, which is the check that this is a Go capture change and not a
  cross-language regression; rebaselined with rationale.
- Also closes review gaps in this PR's own tests: the concrete-field control was
  vacuous with respect to the type gate (repointed at a struct that IS an
  implementor), the two-service-file row could not distinguish the two files it
  is named for (both ends now file-qualified), plus new rows for signature
  mismatch, emitted confidence, and an exact N-by-M fan-out bound.

An existing index must be re-analyzed; the schema bump forces it.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-04 21:52:37 +01:00
Gergő Magyar
c1103f38f2
fix: type an inference-typed class field so it can act as a call receiver (#2807) (#2810)
* test(helpers): add the shared temp-repo lifecycle helper

`createTempDirPool` gives a suite one owner for its temp fixture repos —
create on demand, remove them all in one `afterAll` — instead of a hand-rolled
mkdtemp/rmSync pair per file. The PDG receiver pin added in the next commit
uses it.

Cherry-picked verbatim from ec36c6dda on the #2802 branch, where it was
extracted to collapse five hand-rolled cleanups. Identical content, so if both
branches land the add resolves as a duplicate rather than a divergence.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(typescript): type a class field from its initializer so it can be a receiver

A field whose type had to be inferred from its initializer produced no CALLS
edge at all — not a truncated chain, nothing. `this.p.inner().compute(x)` lost
`Outer.inner` too, an ordinary named-receiver call, because `typeOfMemberOnClass`
found no `typeBindings` entry for `p` and `foldReceiverChain` declines at its
first untypeable step rather than folding on a guessed owner.

The initializer was never invisible: `new Outer()` emitted its own constructor
edge exactly as the annotated twin does. What was missing was the step turning
that initializer into a TYPE BINDING, i.e. capture patterns for the two shapes
the query never covered:

  private p = new Outer();                       // public_field_definition value:
  private p; constructor() { this.p = new … }    // this.<field> = new …

Both are `@type-binding.constructor`, so `annotation` still outranks them in
`typeBindingStrength` and an annotated field keeps resolving through its
annotation. The assignment form carries a narrow `@type-binding.this-field`
marker on its `(this)` node — anchorCaptureFor takes the broadest range, so the
statement stays the anchor — which `tsBindingScopeFor` reads to hoist the
binding onto the Class scope, the only place `typeOfMemberOnClass` looks. The
marker must stay specific to that pattern: hoisting every constructor-inferred
binding would move method-local `const o = new Outer()` out of its own scope.

Kotlin and Swift needed no such pattern for the initializer form because one
grammar node (property_declaration) covers both a local and a stored property;
TypeScript splits them, and only the local half was ever covered.

Both self-diffing pins flip and gain rows: a method-assigned field, and a
deliberately mistyped `private p: Mismatch = new Outer()` that asserts the
source-strength tie-break executably. That row also pins a pre-existing
artifact — `Inner.compute` still resolves through the hoisted module-level
return-type binding — verified byte-identical on the pre-fix tree.

Fixes #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(javascript): type a class field from its initializer so it can be a receiver

JavaScript has no field annotations at all, so a class field's type can only
ever come from its initializer — which made this the strictly worse half of
#2807: `class C { p = new Outer(); }` gave `this.p` no type, and
`this.p.inner()` emitted nothing.

`synthesizeConstructorFieldBindings` in captures.ts already covered the sibling
shape, `this.p = new Outer()`, which is why THAT row resolved — but it only
walks `constructor` bodies, so a field initialized at its declaration matched
no pattern anywhere.

Adds the `field_definition` + `value: (new_expression)` patterns (the JS grammar
names the field `property:`, not `name:`), anchored so the binding lands in the
class body scope where `typeOfMemberOnClass` reads it. No hook change needed:
`jsBindingScopeFor` already delegates to `tsBindingScopeFor`, so it inherits the
`@type-binding.this-field` branch too.

Measured: `InferredField.run` now emits `Outer.inner`, exact parity with both
the local-const control and the constructor-assigned row. The second chain link
(`Inner.compute`) stays absent in ALL THREE rows — that is JavaScript's separate
return-type-inference gap, not this one.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(python): infer an instance field's type from the constructor it calls

`self.outer = Outer()` in `__init__` bound nothing, so `self.outer.inner()`
had no receiver type and the fold declined the whole chain — the Python half
of #2807. An annotated field (`self.outer: Outer = ...`) or one assigned from
an annotated parameter already worked.

`synthesizeConstructorFieldTypeBindings` deliberately refused to infer "from
arbitrary unannotated RHS expressions ... not a name-only guess". A CALL is not
that: Python has no `new`, so a call to a plain (or dotted) name is the only
syntactic construction form there is, and it is the same positive evidence
every other language reads from `= new X()`. A bare name, subscript, await or
comprehension is still refused.

Adds it as a THIRD and weakest tier. The existing explicit/parameter boolean
becomes a rank, so precedence is now explicit annotation > parameter annotation
> construction, and a later same-tier assignment still wins (the last write in
`__init__` is the live one). `interpretPythonTypeBinding` maps the new marker to
`constructor-inferred` (strength 1) — checked before the parameter branch, which
would otherwise have read the absent parameter marker as `annotation` and
promoted a guess to the strongest tier.

The Class-scope hoist needed no change: `@type-binding.instance-field` already
carries it in `pythonBindingScopeFor`.

Measured: `AssignedField.run` now emits `Outer.inner`, exact parity with the
annotated-field and local-const rows.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ruby): infer an instance variable's type from the constructor it calls

`@service = UserService.new` in `initialize` bound nothing, so `@service.inner`
had no receiver type and the fold declined the whole chain — the Ruby half of
#2807. An instance variable is the ONLY way a Ruby object gets a field, and
Ruby has no annotations, so this was the single shape that could have worked
and did not: the existing constructor-inferred patterns bind a local
(`x = Foo.new`) and a constant (`SERVICE = Foo.new`), never an ivar.

Adds the plain and `Foo::Bar` qualified ivar forms. `@type-binding.name` is
captured on the `instance_variable` node so the bound name keeps its `@` sigil
and matches the receiver text at the call site verbatim — the resolver compares
spellings, and `service` would never have matched `@service`.

`rubyBindingScopeFor` gains a Class hoist gated on a narrow
`@type-binding.ivar-field` marker riding the same node: an ivar declares a field
of the enclosing class, so the binding must live on the Class scope or no other
method can see it. Gated on the dedicated marker, never on
`@type-binding.constructor` at large, which also fires for `x = Foo.new` locals
that must stay in their own method.

Measured: `AssignedField.run` now emits BOTH chain links, exact parity with the
local-const control.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(resolvers): pin inference-typed field receivers across eight languages

#2807 was filed against TypeScript, but the defect class is cross-language:
"can a field whose type is inferred act as a call receiver". This measures all
eight languages where the shape exists at all, in one table.

The metric is parity with EACH LANGUAGE'S OWN CONTROL ROW, not "both chain
links present". JavaScript, Python, Dart and PHP lose the second link
(`Inner.compute`) even for a plain local, because nothing annotates `inner()`'s
return type — a separate return-type-inference gap. Scoring against "both
links" would have accused those four of a bug they do not have; scoring against
their own control isolates the field-typing question cleanly.

Recorded state: TypeScript, JavaScript, Python and Ruby now match their
controls. Kotlin and PHP already did before #2807 and are pinned so the shared
fold cannot regress them unnoticed — the languages that got receiver typing for
free are precisely the ones nobody re-checks.

Two rows stay pinned BROKEN, at their exact current value:

  Dart  — real and narrow: the annotated control resolves, the inferred one
          does not. Its bindings are synthesized in dart/captures.ts rather
          than by a query, so the fix is its own change.
  Swift — blocked by a different defect found while measuring: with several
          classes each defining `run`, every `run`'s edges are attributed to
          the FIRST-declared one, which collects duplicates while its siblings
          — including the ANNOTATED control — collect none. Receiver typing
          cannot be measured there until that is fixed, and "fixing" it against
          this observable would be fitting to a broken measurement.

Both gap rows carry a `callerExists` probe in the same assertion object, so an
empty list can never read as "resolved fine, wrong node id", plus a whole-matrix
guard that every language keeps a resolving control — that is what makes a gap
row mean "broken" instead of "fixture never worked".

Targets are deduplicated before comparison: Swift emits one edge more than once
per call site, and edge multiplicity is a different question from whether the
receiver typed at all.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(python): a method call on the receiver is not a construction

Review finding on f4e1ead0d. `constructorCallTypeName` accepted ANY call with
an identifier or attribute callee, so `self.p = self.build()` bound `p` to the
non-type `"self.build"` — and because that shares the weakest tier with a real
construction, a later such assignment DISPLACED an earlier `self.p = Outer()`
and left the field untyped again.

Measured before the fix: `self.p = Outer()` followed by `self.p = self.rebuild()`
emitted no CALLS edge at all from a method chaining off `self.p`, and
`self.q = self.make()` bound a type name that resolves to nothing. After:
the real construction survives the reassignment, and a pure method call binds
nothing rather than something wrong.

Rejects a callee rooted at the receiver name. `models.Outer()` still binds —
only `self`-rooted callees are refused, which is exactly the method-call shape.

The matrix gains a `reassigned-from-method-call` row that fails without this
rejection; that discrimination is the only reason the row exists.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(swift): resolve a method def to its own node when the labels disagree

Two classes in one Swift file each declaring `func run` collapsed onto one
node: every call in BOTH bodies was attributed to whichever `run` registered
first, which collected duplicate edges while its twin collected none. Renaming
one method fixed it; moving it to another file fixed it; so the collision was
name-keyed and per-file, not positional.

Root cause is a LABEL split, not a name. Swift's structure phase emits a type's
methods as `Function` nodes, while the scope extractor derives `Method` from the
`@declaration.method` anchor. Every key in `resolveDefGraphId` — qualified,
parameter-types, arity, shape — is label-scoped, so such a pair misses all of
them and lands on the bottom fallback, `simpleKey(filePath, name)`, which is
deliberately label-agnostic and first-write-wins.

Fixed at both ends:

  - Swift qualifies a method def as `<Type>.<method>`, matching the qualifier
    the structure phase already encoded in the node id. `class`, `struct` and
    `extension` all parse to `class_declaration`, so one ancestor walk covers
    them; a generic `class Box<T>` and an `extension Foo` wrapping a `user_type`
    both reduce to the bare owner name.
  - The bridge retries the qualified keys under the sibling callable label.
    Gated on the name containing a dot: `A.run` names one construct whatever the
    label, while a bare `run` is exactly the top-level-vs-method aliasing the
    label was added to prevent, so the original guarantee is untouched.

This also unmasked Swift's #2807 row. `let p = Outer()` had always bound
correctly — its edges were being credited to the wrong caller, so the
inference-typed receiver looked broken when it was not. `InferredField.run` now
emits `Outer.inner`, matching its control.

Verified on the full resolver + CFG suite: 3165 passed, 0 failed, against a
3164-passing baseline.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(dart): declare inference-typed class fields so they can be receivers

`var b = Outer();` produced no `@declaration.property` capture at all — no
Property node, and nothing for the capture layer to hang a type binding on — so
`b.inner()` could not type its receiver while the annotated twin
`Outer b = Outer();` resolved fine (#2807).

The gap was in the query, one layer below where the binding is emitted: both
class-field patterns require a leading `(type_identifier)` or `(nullable_type)`,
i.e. a WRITTEN type. Dart puts the keyword there instead for an inferred field,
and spells it two ways — `inferred_type` for `var`, `final_builtin` for `final`
and `late final`. Covering only `var` would have left the more idiomatic Dart
style broken, so both are matched.

With the field declared, the capture layer types it from the constructor its
initializer calls, as `constructor-inferred` — the weakest source, and the
annotated branch returns before it, so an annotated field is untouched. Only a
direct construction is accepted (a bare identifier followed by a `selector`
carrying an `argument_part`, the same shape `findDirectCallValue` accepts for
locals); a literal, member call or await is left alone rather than guessed at.

Note this is the LOCAL/field split that made the gap invisible: `emitVarTypeBinding`
already handled `initialized_variable_definition`, but a class field is
`declaration(<keyword>, initialized_identifier_list(initialized_identifier))`.

`InferredField.run` now emits `Outer.inner`, matching its control. Dart's
`var r; C() { r = Outer(); }` shape stays pinned as a known gap: Dart writes the
field with no receiver prefix, so binding it means treating assignment to a bare
identifier as a field write, indistinguishable from a constructor-local.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(resolvers): record Swift and Dart reaching parity in the matrix

Both languages' inference-typed field rows move from KNOWN GAP to resolving,
which is the self-diffing signal this file was built to produce: closing either
gap failed it with the newly resolved ids in the diff.

The header table and prose are corrected together with the rows, as the file's
own instructions require — including WHY Swift moved. Its `let p = Outer()`
binding had always been correct; a separate label-split defect attributed the
second same-named method's calls to the first, which masked this row entirely.
Recording that is the point: a future reader comparing the table against the
code needs to know the row was never a receiver-typing failure.

One row stays pinned: Dart's `var r; C() { r = Outer(); }`. Dart writes fields
without a receiver prefix, so binding it means treating assignment to a bare
identifier as a field write — indistinguishable from a constructor-local until
the field set is known. Idiomatic Dart writes `final r = Outer();`, which the
inferred-field row now covers.

Every language keeps its resolving control row, so the remaining gap still means
"broken" rather than "fixture never worked".

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(dart): type a field from a constructor assigned to it

`var r; C() { r = Outer(); }` bound nothing, so `r.inner()` had no receiver
type — the last inference-typed field shape still failing after the initializer
form was fixed (#2807).

Dart is the one language here that writes a field with NO receiver prefix, so
`r = Outer()` inside a constructor is syntactically identical to assigning a
constructor-local. That ambiguity is why this was initially left pinned — but
the field set IS knowable: the class body declares `var r`, which the
initializer fix already turned into a property declaration. So a bare name binds
exactly when Dart itself resolves it to the field: the enclosing class declares
it AND the enclosing body declares no local of that name. A `this.`-prefixed
write is unambiguous and needs neither test.

The shadowing case is asserted, not assumed: with a body-local `var s = Outer()`
in scope, the field stays unbound while the local still resolves on its own.

Binds `constructor-inferred` (weakest source, so an annotation still wins), and
only for a direct construction — an identifier followed by a `selector` carrying
an `argument_part`, the same shape accepted for locals. The narrow
`@type-binding.dart-field` marker drives the Class-scope hoist in
`dartBindingScopeFor`; gating on it rather than on `@type-binding.constructor`
at large is what keeps genuine locals in their own scope.

All three shapes now match their control: bare `r = Outer()`, `this.s = …`, and
a non-constructor `setUp()` assignment.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(swift): type an optional field and read through its force-unwrap

Swift cannot declare a stored property with neither a type nor an initializer,
so its "declare now, assign in init" idiom is an OPTIONAL field read back
through a force-unwrap. That shape resolved nothing, and it was broken in two
independent places — each alone leaves it broken:

  1. `var a: Outer?` parses as `type_annotation(optional_type(user_type(…)))`,
     but the property-annotation pattern required the `user_type` to be a DIRECT
     child, so an optional field was never typed at all. The pattern added here
     captures the INNER `type_identifier`, so the binding is `Outer` without
     relying on `stripOptional` reducing an `Outer?` spelling.
  2. `self.a!` is a `postfix_expression`, which the receiver walk did not peel,
     so even a typed field could not be read through the unwrap.

For (2), `postfix_expression` is NOT added to `TRANSPARENT_RECEIVER_WRAPPERS`
outright: unlike TypeScript's `non_null_expression` — which is only ever `!` —
Swift's node also carries user-defined postfix operators, which can return
anything. Peeling those would type the receiver as the operand and mint a
confidently WRONG owner, the failure mode compound-receiver.ts calls strictly
worse than no edge. So the peel is operator-gated: transparent only when the
node's text ends in `!`, which is provably type-preserving.

Verified: force-unwrap `self.a!.inner()`, optional chain `self.b?.inner()`, and
the plain annotated field all resolve; previously only the plain one did.

The gate keeps this off every other language — `postfix_expression` is not a
node type the other grammars produce here — and the full resolver + CFG suite is
green at 3166 passed / 0 failed, against a 3165 baseline.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(resolvers): close the last two matrix gaps

Dart's `assigned-field` and Swift's new `optional-assigned-field` rows now
resolve, leaving no known-gap row in the matrix: every language reaches parity
with its own control on both the initializer and the assigned shape it can
express.

The Swift row is new because the shape it covers did not exist in the fixture:
Swift cannot declare a stored property with neither type nor initializer, so its
assigned form is an optional field written in `init` and read through a
force-unwrap — a shape that needed both an optional-annotation pattern and an
operator-gated receiver peel, which is why the row's comment names both.

The header records how the two hard cases were fixed, including the Dart
shadowing rule the fix depends on: a bare `r = Outer()` binds only when the class
declares that field and the body declares no local of the same name.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* chore(bench): rebaseline the receiver-resolution and scope-capture gates

Both gates are exact-match, so the improvements in this branch fail CI until the
baselines move and the movement is explained. Caught by running the CI gates
locally — the resolver and CFG suites are green throughout and never see these.

receiver-resolution — three shapes moved to RESOLVES, no drop-count changed:

  ruby.fieldReceiverCall     INVISIBLE-GAP -> RESOLVES  (`@ivar = Foo.new`)
  swift.decoratedFieldType   INVISIBLE-GAP -> RESOLVES  (`var a: Outer?`)
  kotlin.nonNullAssert       VISIBLE-GAP   -> RESOLVES  (`x!!` receiver)

scope-capture — swift and typescript fingerprints, both ADD captures and remove
none; the per-language `_rebaselined_inferred_field_receiver_2807` notes carry
the detail and the prior digests. The other 13 languages are unchanged, which is
the check that this is the intended emission and not a capture regression.

CORRECTION to d5d878033's message, which claimed the operator-gated
`postfix_expression` peel "keeps this off every other language — postfix_expression
is not a node type the other grammars produce here". That is wrong: Kotlin's
grammar produces it too, and `kotlin.nonNullAssert` moving to RESOLVES is the
proof. The peel is still correct there — Kotlin `!!` is a non-null assertion with
exactly the type-preserving semantics the `!` gate tests for — but it is a
BEHAVIOUR CHANGE IN KOTLIN, not Swift-only as stated. The gate is what surfaced
it; the claim should have been verified rather than asserted.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(cache): bump SCHEMA_BUMP for the six-language capture change, + review fixes

SCHEMA_BUMP 39 -> 40. THIS IS THE MERGE-BLOCKER of the review: every language
change in this PR is PARSE-TIME capture emission, and `analyze` skips tree-sitter
dispatch for byte-unchanged chunks (GUARDRAILS.md:34), so a warm cache replays
the pre-fix capture set verbatim and the new receiver edges never appear —
silently, no error. Exactly the v27/v30 failure mode this file already documents.
The PR description's claim that "no schema or version constant applies" was
wrong on both counts: a bump IS required, and a plain re-analyze does NOT
surface the captures without it. Re-check against origin/main before merging —
main was also at 39 when 40 was allocated, and this file records eight prior
collisions.

Also from the review:

- dart/simple-hooks.ts hand-rolled a 9-line parent walk byte-identical to the
  shared `walkToScope(innermost, tree, 'Class')` that TypeScript and Ruby call
  in one line in this same PR. Now uses the helper.
- utils/call-analysis.ts: the doc framed the postfix-`!` peel as Swift-only. It
  is not — Kotlin `!!` parses as the same node and is peeled too, which the
  receiver-resolution bench proved (kotlin.nonNullAssert VISIBLE-GAP ->
  RESOLVES). The comment now says so, and names the `!` gate rather than the
  language as the bound.
- test/helpers/temp-dir-pool.ts: its doc claimed four consumers; on THIS branch
  only `pdg-chained-receiver-callees` uses it (the other three convert on
  #2802). Corrected, and the byte-identical-to-#2802 intent recorded.
- inferred-field-receiver-matrix: adds the Dart shadowing assertion the header
  comment already CLAIMED to make but never did. First attempt was vacuous —
  `var s = Outer()` is a declaration, so it never produced the bare
  `assignment_expression` the guard inspects; removing the guard did not fail
  the row. Fixture corrected to `var s; s = Outer();`, and mutation-verified:
  guard present 35 pass, guard removed the row goes red.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(cache): move the SCHEMA_BUMP pin to 40

The pin at incremental-parse-cache.test.ts asserts the exact value on purpose —
it exists to catch two branches claiming one number, and it has earned that
eight times. Bumping the constant to 40 without moving the pin turned it red.

Found by the Codex (gpt-5.6-sol) review leg, which flagged it as a
deterministic committed-test failure. The Claude lanes could not have caught it:
they were dispatched before the bump landed.

The comment now records the 39 -> 40 movement and its reason, matching the
existing convention in that block.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(dart): treat every binder as a field shadow, not just local declarations

Review P1, reproduced by two independent reviewers. `emitDartFieldAssignmentBindings`
binds a bare `r = Outer()` to the FIELD when the class declares `r` and the body
declares no local `r` — but the shadow set was built by walking for
`initialized_variable_definition` only. That is one binder form out of many, so a
formal PARAMETER named like a field slipped through:

    void reset(Alpha r) { r = Alpha(); }   // r is the PARAMETER

retyped the FIELD to `Alpha`, fabricating an edge AND destroying the correct
`Beta` binding the constructor had established. The mutation test shows exactly
that: the pre-fix result is not a missing edge but a WRONG one (`Other.inner#0`
instead of `Outer.inner#0`) — the failure mode compound-receiver.ts:519-537 calls
strictly worse than no edge.

The node types were chosen from real grammar output, not assumed. Two facts drove
the design: formal parameters live on the SIBLING `method_signature`, never inside
`function_body`, so no walk of the body could ever have seen them; and
`formal_parameter` carries a `name` field only when typed — untyped, `this.` and
`super.` forms do not. `collectDartBodyShadows` therefore walks the signature AND
the body, collecting formal/closure/local-function/named/optional params,
`this.`/`super.` constructor params, catch bindings, for-in variables, and both
local-declarator forms. A parameter shape whose name cannot be read contributes
nothing — declining to bind is the safe direction.

A 27-case binder sweep passes: 26 shadow shapes bind nothing, the no-binder
control still binds.

Four new matrix rows (param, closure param, catch, loop var) assert a surviving
POSITIVE target rather than an empty list — deliberately, because the pre-fix
value is a different non-empty target, so these rows cannot pass vacuously the way
an empty-assert row can. Mutation-verified: reverting captures.ts turns exactly
those four red and leaves every pre-existing row green.

SCHEMA_BUMP is already at 40 on this branch for the six-language capture change and
has not shipped, so it covers this too; re-check against origin/main before merge.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ruby): don't bind a class-object @ivar as an instance field

Review P1. The `@ivar = Foo.new` patterns added on this branch hoist to the
enclosing Class scope without asking WHOSE `self` owns the ivar. In Ruby an ivar
written in singleton context belongs to the class object, not to instances, so

    def self.build; @pool = Alpha.new; end
    class << self; def make; @cache = Alpha.new; end; end

bound `@pool`/`@cache` as INSTANCE fields, fabricating edges from instance methods
that read an ivar which is never assigned on an instance.

Three corrections came out of fixing it:

1. The detection premise was wrong. `def self.build` is NOT a `method` node with a
   `self` receiver — it is its own node type, `singleton_method`, and
   `childForFieldName('receiver')` returns NONE on it. Matching on a receiver field
   would have detected nothing, silently. Detection is by node type:
   `singleton_method` / `singleton_class`.

2. A THIRD form exists that the review did not name: a class-body-level
   `class C; @shared = Outer.new;` is the same defect (self is the class object),
   and is likewise new on this branch — before it, `left: (instance_variable)`
   matched nothing at all.

3. Dropping only the `@type-binding.ivar-field` marker is NOT sufficient, and the
   class-body case is what proves it: with the marker gone the binding falls back
   to its innermost scope, which at class-body level ALREADY IS the Class scope, so
   it still lands in the wrong place. The whole match is therefore discarded.

The check lives in `languages/ruby/captures.ts` because `Capture` carries only
`{name, range, text}` — no AST node — so `rubyBindingScopeFor` structurally cannot
ask whose `self` owns the ivar. All Ruby logic stays under `languages/ruby/`.
`method` alone is not a sufficient "instance" signal, since a `def` inside
`class << self` is reached through a `method` node first.

Cost relative to main is zero: a class-object ivar goes back to binding nothing,
exactly as before these patterns existed.

The three new rows are structurally two-sided, not just mutation-checked: each
empty row is paired with a non-empty `*-instance-ivar` row on the SAME fixture
class, so breaking the hoist entirely turns the partner red while an unconditional
hoist turns the empty row red. Mutation-verified in both directions.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(typescript,javascript): bind `this.field = new X()` only inside a class method

Review P0, the most serious finding of the tri-review and reproduced by two
independent reviewers. The `this.<field> = new X()` patterns added on this branch
were CONTEXT-FREE: they matched anywhere in the file, and `tsBindingScopeFor`
hoisted to the nearest enclosing Class without asking whose `this` that was. Since
the binding lands on the same Class scope with the same `constructor-inferred`
source as the field-initializer pattern, and pass4CollectTypeBindings prefers the
later match on `>=`, it OVERWROTE the class's real field type. Reproduced from a
non-arrow callback, an object-literal method, a static method, and module level.

Fixed STRUCTURALLY, in the query: both patterns are now nested under
`class_body -> method_definition -> body: (statement_block) -> (expression_statement)`,
which kills the callback, object-literal and top-level triggers with no runtime
code and mirrors JavaScript's `synthesizeConstructorFieldBindings` discipline.
TypeScript still accepts ANY method, not just `constructor`, so the setter case
this branch deliberately supports keeps working.

`static` needed one emit-side guard: it is an ANONYMOUS token on `method_definition`
with no field name, and tree-sitter patterns cannot negate an anonymous token
(checked against node-types.json), so `isStaticMethodThis` drops it in captures.ts.
`simple-hooks.ts` is comment-only — the unconditional Class hoist is now documented
as safe BECAUSE the marker's producers are bounded, with a note that widening them
means re-establishing that.

Also fixes a `.ts`/`.js` disagreement the narrowing itself created: JavaScript's
synthesis matched `method_definition` ANYWHERE, so an object literal containing a
method named `constructor` still typed the enclosing class's field. Measured on
identical source — JS emitted `p -> Alien`, narrowed TS emitted nothing — and
closed with a `node.parent?.type !== 'class_body'` guard in javascript/captures.ts.
The two languages must not disagree about the same source.

Deliberately NOT matched (a missing binding, never a wrong one — JS declines these
too): an assignment in a nested block, or inside an arrow where `this` genuinely IS
the instance.

Evidence the narrowing removed nothing legitimate: `bench/scope-capture --check`
passes with the TypeScript AND JavaScript fingerprints BYTE-IDENTICAL. The five new
matrix rows use an `Alien` class that also declares `inner()`, so a regression SWAPS
the target rather than emptying the set — they cannot pass vacuously. Mutation
test: reverting the source turns exactly those rows red (`+ "Alien.inner#0"`,
`- "Outer.inner#0"`).

SCHEMA_BUMP stays at 40 — this PR's existing bump covers the capture change being
narrowed, and the buggy variant never shipped outside this branch.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(resolution): consult the sibling callable label in the position key too

Review P1. This branch added a sibling Method<->Function retry to the qualified
keys in `resolveDefGraphId`, but not to the #2699 POSITION key or its fail-closed
guard, which both stayed scoped to `def.type`. Since the premise of the whole fix
is that Swift defs are `Method` while nodes are `Function`, the position lookup
missed and the fail-closed guard could NEVER FIRE for exactly the case the retry
serves — so a function-local `func helper` inside `Host.run` was deterministically
aliased onto the class method `Host.helper`, even with differing arity.

Two earlier reviewers REFUTED this by arguing the guard runs before `lookupTagged`.
That is true and irrelevant: the guard is scoped to `def.type`, so in the
label-split case it is unreachable. Recording it because two independent lanes
agreeing on a refutation is not proof.

`siblingCallableLabel(label)` is now the single definition, consulted by all three
key families:
  - position key: retried under the sibling label, gated on `posHit === undefined`
    so an AMBIGUOUS_POSITION tombstone still falls through to the name keys rather
    than being resolved by relabelling. Deliberately NOT dot-gated — a position key
    is not a name, so the aliasing risk the dot gate exists for does not apply.
  - fail-closed guard: mirrored unconditionally (it only ever returns undefined).
  - qualified retry: dot gate untouched.

Measured before -> after on a Swift fixture: `Host.helper#1 -> sink` (the local
body's call credited to the public 1-arg method) becomes
`Host.run.helper@8:8#2 -> sink`, with the local's own node no longer edgeless.

SCOPE CORRECTION to the P1 report: only the first consequence is a bridge defect.
The second — "`run`'s call to the local resolves to the method" — is NOT reachable
from ids.ts. Both defs carry qualifiedName `Host.helper` and label `Method`, and
the binding hands the target side the class-member def, so the scope walk in
free-call-fallback picks the member. No def->node mapping can change that; it is
pinned as an explicitly labelled KNOWN GAP rather than left implied.

Verification, on shared code so the full bar: resolvers+cfg 3170 passed / 1 skipped
/ 0 failed; `bench/receiver-resolution --check` OK; `bench/scope-capture --check`
PASS (15 languages, Swift fingerprint unchanged) — i.e. the bridge change altered
no capture output. The 3170 reconciles against the 3167 pre-existing at a5bf4c2da
plus exactly 3 new tests; 3167 differs from the older 3166 baseline because
0418b0aac added the matrix's only known-gap row, which emits one extra `it`.

Mutation test: with both arms reverted, 3 of the 5 new cases go red, each arm
pinned independently — the guard case registers no position key, the position case
registers no local-name key.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor: apply cleanup-review findings across the receiver-typing change

Four parallel quality lanes (reuse, simplification, efficiency, altitude) over
`origin/main...HEAD`. Eleven fixes; both exact-match bench gates hold with every
capture fingerprint BYTE-IDENTICAL, so none of this changed what the analyser emits.

Reuse — stop re-rolling helpers that already exist:
- `walkToScope` moved out of the TypeScript provider into a language-neutral
  `utils/scope-tree-walk.ts`. Ruby and Dart had begun importing it FROM
  `languages/typescript/`, which made three unrelated providers depend on the TS
  module for a generic `Scope`/`ScopeTree` walk. Python's hand-rolled copy — the
  one this PR's new `self.x = Outer()` path routes through — is folded in, so all
  six languages now share one traversal.
- Swift stops string-parsing a type name. `swiftEnclosingTypeName` split on `<`
  and `.`; `swiftBaseTypeIdentifier` + `swiftQualifiedBaseTail` do it structurally
  and correctly skip the sibling `type_arguments` node, which the string form only
  guessed at. `findEnclosingTypeDeclaration` replaces the inlined ancestor walk.
- TypeScript uses the canonical `hasKeyword(method, 'static')`. The previous
  `child.type === 'static'` is the exact form `isStaticMember` documents as
  grammar-version-fragile: "`static` can appear as an unnamed token or as a
  keyword node depending on grammar version; check text."
- Both new test suites use `cleanupTempDirSync`, which exists because a pipeline
  test's open handle surfaces as EBUSY/EPERM on Windows and `force` does not
  suppress it. This repo shards Windows CI.

LATENT DEFECT, found by the reuse lane and fixed: `var a = X(), b = Y();` parses
as ONE `declaration` with two declarators, and the query matches it once per
declarator with the SAME node — so the first-descendant search handed every
declarator the FIRST one's initializer. `b` resolved as `X`. Now reads
`nameNode.nextNamedSibling`, which is both correct and free. Pinned by a
`multi-declarator-inferred-field` row ordered so the declarator under test is the
second; reverting the fix turns exactly that row red with the wrong edge.

Efficiency — measured, not asserted:
- Dart's shadow set was built eagerly for EVERY method body and discarded 87-100%
  of the time (a `this.`-prefixed write never reads it). Now lazy and memoised per
  body, gated on `fields.has()`. Semantics are unchanged: the set is body-wide, so
  deferring construction cannot change its contents.
  Worth recording WHY CI could never have caught this: `bench/scope-capture` gates
  the SCALING RATIO, and the work is linear — ratio stays 1.0 against a 1.5 budget
  while a constant-factor regression passes straight through.
- `isTransparentReceiverWrapper` crossed the `node.type` native getter twice on the
  common path. One hoisted read, and — since absent and ungated are distinguishable —
  one `get` replaces `has`+`get`.

Simplification:
- One `Map<string, string | null>` replaces the parallel Set + Map that both
  expressed "this wrapper is transparent", with `null` meaning unconditional.
- `ids.ts` computed `siblingCallableLabel` twice under two names. The three retry
  blocks are deliberately NOT collapsed — they use different key builders and
  materially different gates.
- Python's `interpret.ts` nesting was only a consequence of arm ORDER; swapping the
  arms is unconditionally equivalent (the two differ only when both markers are
  present, and both orders then yield `constructor-inferred`).
- One `isDirectConstruction` predicate replaces the construction-shape test that
  had been written four times in dart/captures.ts.

Deliberately NOT done, each needing a fingerprint rebaseline or new node ids:
unifying the six `@type-binding.*-field` markers into one canonical capture (it
would change Python's anchor semantics, which must be verified not assumed); a
Swift `labelOverride` mirroring Kotlin's four-line fix, which is the real cure for
the Method/Function split the bridge currently compensates for; generalising the
Swift optional-annotation pattern to `(type_annotation (_))` so the existing
strippers handle every wrapper; and merging the TS query with the JS walker, which
also carries a JSDoc branch no query can express.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(swift): regenerate the Swift captures golden for the optional-annotation pattern

CI caught what my local runs did not: `swift-captures-golden.test.ts` pins
`emitSwiftScopeCaptures` output across every `swift-*` fixture, and this branch
changes that output. It is a THIRD capture gate, separate from the two
exact-match benches already rebaselined here — `bench/scope-capture` hashes a
different corpus, so its Swift fingerprint moving did not imply this one, and
passing it was not evidence this was clean.

The drift is digest-only: 37 changed lines, 37 in each direction, no capture
entry added or removed. That is the expected shape for
`(type_annotation (optional_type (user_type …)))` making optional properties emit
an annotation binding they previously did not, plus the `@declaration.qualified_name`
now carried on Swift method declarations.

Regenerated with the mechanism the test itself prescribes (`UPDATE_GOLDEN=1`),
not by relaxing the assertion. Verified after: all Swift unit + resolver suites
green (4 files, 124 tests), and `bench/receiver-resolution --check` still exactly
matches its baseline.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix: three more wrong-owner defects, found by a second review round

A second tri-review of this PR found THREE new P1 wrong-owner defects — every one
of them in code the FIRST round had already fixed. All three are the same root
shape: an incomplete ENUMERATION of binder or scope forms. That class has now
bitten this branch four times (formal parameters, then these), so two of the
three fixes below deliberately attack the class rather than the instance.

1. DART 3 PATTERN BINDERS (P1, reproduced by two independent lanes).
   `addDartBinderName` enumerated five binder node types, and every Dart 3
   pattern form parses into node types in NONE of them — so a pattern-bound local
   did not count as a shadow and its write retyped the CLASS FIELD:
       class Host {
         var session = Cache();
         void load() { final (session, count) = (Session(), 2); }
         void use() { session.ping(); }   // resolved Session.ping, not Cache.ping
       }
   The grammar hides every rule that would carry a binder (`_pattern_field`,
   `_list_pattern_element`, `_guarded_pattern`, …), inlining children onto the
   enclosing visible pattern node, so binders land as direct `identifier` children
   of just two leaf types. Covers all 10 pattern types that can hold one; the
   eight container types are defence, since the grammar demonstrably inlines
   identifiers onto containers already.
   THE COMPOUNDING PART: a grammar-derived coverage guard reads `nodeTypeInfo` and
   fails if the grammar declares a `*pattern*` type the fixtures do not exercise.
   A grammar bump adding an 11th type now turns the suite red instead of silently
   reopening this bug a third time.

2. RUBY BLOCK-RECEIVER `self` REBINDING (P1 here, both Claude lanes + Codex, which
   rated it P2 — the engines agreed the defect is real and disagreed on severity).
   `isRubyInstanceIvarWrite` enumerated `singleton_method`/`singleton_class` as the
   ways `self` gets rebound. A `def` inside a BLOCK attaches to the block's
   receiver, so `Struct.new(:x) do def warm; @a = Beta.new; end end`,
   `Class.new do … end`, `class_eval`, and `other.instance_eval { @a = … }` all
   published onto the nearest LEXICAL class.
   Deliberately NOT fixed by listing rebinding call names: that set is OPEN —
   `def helper(&blk) = Foo.class_eval(&blk)` rebinds a block it merely receives,
   and nothing in the block's own syntax reveals it. An allow-list of "safe"
   iterators would be the same defect one level down. The rule is structural:
   crossing ANY block boundary makes ownership unprovable, so discard. Complete by
   construction rather than by enumeration.
   ACCEPTED COST, asserted not hidden: `[1].each { @shared = X.new }` in an
   instance method really is the instance's `self`, and this drops it — that block
   is syntactically identical to the `instance_eval` one. It has its own row
   (`plain-block-self-ivar`) so the loss is visible rather than discovered later.

3. STATIC FIELD INITIALIZERS (P1, found by Codex/gpt-5.6-sol, corroborated).
   A `static` field initializer was captured as an ordinary instance binding, and
   since both land on one Class scope at the same `constructor-inferred` strength,
   the later wins the `>=` tie-break — so a static field retyped the instance
   field of the same name (`this.p.hit()` -> `Wrong.hit`). Unguarded in BOTH
   `javascript/query.ts` and `typescript/query.ts`; the existing
   `isStaticMethodThis` only ever covered the `this.x =` assignment form.
   Two things surfaced while fixing it: the TS `annotation` pattern collides
   identically and is PRE-EXISTING, not introduced here; and JS `static
   constructor(){}` had no guard where TS did — the .ts/.js divergence this PR's
   own comment claimed could not happen.
   Dart has no same-name twin (the language forbids it), but a static method's
   receiver-less write named a library-level variable and DISPLACED the
   constructor's binding. Fixed narrowly, with a counterweight row
   (`static-field-declaration-still-types-its-receiver`) that goes red if anyone
   widens the guard into "drop every static binding" — reading a static by bare
   name from an instance method is ordinary Dart and must keep working.
   ACCEPTED COST: `typeBindings` has one map per Class scope with no static/
   instance split, so a static field is dropped rather than recorded separately,
   losing typing on a TS/JS `Host.p.hit()` static receiver chain. Missed edge over
   wrong edge, per compound-receiver.ts:519-537.

Every new row asserts a SURVIVING POSITIVE target, never an empty set: the pre-fix
value in each case is a DIFFERENT non-empty target, so none can pass vacuously —
the trap this branch already fell into once. Mutation-verified per fix: reverting
each turns exactly its own rows red (17 Dart, 6 Ruby blocks, 5 static) with every
pre-existing row green.

Matrix 49 -> 80 tests. Siblings 510 passed. tsc clean. scope-capture PASS (15
languages, all ratios within gate).

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(dart): mask a shadowed field on the READ side, not just the write side

The review critic refused to pass this PR while this was open, and it was right
to: this is the same wrong-owner shape as the three defects fixed in the previous
commit, except this one is introduced BY this PR rather than merely missed by it.

THE DEFECT. Typing an unannotated field from a constructor assignment
(`var conn; Host() { conn = Alpha(); }` binds `conn` on the CLASS scope) is this
PR's whole point. `emitDartFieldAssignmentBindings` correctly declines to WRITE
that binding when a member body rebinds the name — but the shadow set gated
writes ONLY. `collectDartBodyShadows` had exactly one call site, inside the
bare-name write branch. Nothing consulted it on the read side, so a bare-name
READ of a shadowing binder the resolver cannot type walked straight past the
local and hit the field binding this feature mints:

    class Host {
      var conn;
      Host() { conn = Alpha(); }
      void probe(List<Beta> xs) {
        for (final conn in xs) { conn.inner(); }   // conn is a Beta element
      }
    }
    // resolved Alpha.inner, not Beta.inner

Reproduced in SEVEN binder shapes, not the one the review reported: for-in
(`final` and `var`), untyped formal parameter, plain local `var`, catch binding,
closure parameter, and record pattern. Delete the constructor and the same read
emits NOTHING — which is what proves this PR introduced it. "No edge" became
"wrong edge", the one failure mode compound-receiver.ts:519-537 exists to prevent.

THE FIX uses `Scope.ownsReceivers` (#2701), the primitive that already exists for
exactly this, rather than inventing a mechanism. `scope/walkers.ts` consults
`typeBindings` FIRST at every scope and only then honours the mask, so a shadow
the resolver CAN type still wins — an annotated `void probe(Beta conn)` keeps
`Beta`, because `synthesizeDartSignatureBindings` anchors parameter bindings on
the same body node and they land on the same Function scope. The mask fires only
where the alternative was a fabricated type.

Plumbing follows TypeScript's `@receiver-owner.this` precedent: the marker rides
the same synthesized match as `@scope.function` and sits outside the `@scope.`
namespace so `anchorCaptureFor` cannot mistake it for the anchor. Dart differs
only in that its function scopes are synthesized in captures.ts rather than
declared in the .scm, so the names travel as capture TEXT — a `CaptureMatch`
carries no AST node, so the reader cannot re-derive them.

SCOPE, and the costs taken knowingly rather than hidden. The mask is
`shadows ∩ fields` and nothing wider. Masking every locally bound name would
also fix a library-level `var logger = Logger();` shadowed by a loop variable,
but it changes resolution for code this PR never touched. Three consequences are
documented on `dartShadowedFieldsCapture`, not buried: the wider case is left
open; an ANNOTATED field shadowed by a binder is masked too (correct Dart, but it
touches resolution predating #2807); and `mixin` bodies are reached, since the
grammar gives them a `class_body`.

PERFORMANCE, measured rather than asserted. The mask is emitted eagerly in Pass A,
where `collectDartBodyShadows` used to be lazy — the replaced comment recorded
87-100% of eagerly built sets being discarded, ~15% of Dart emission. Actual cost
on the scope-capture large corpus, median of 3: 405.6ms with the mask vs 390.0ms
without, ≈ +4%. Fingerprint and capture_groups are byte-identical across both
arms, so no corpus fixture emits a mask at all — that 4% is the cost of the CHECK
alone. Not visible to `bench/scope-capture`, which gates the scaling RATIO and is
blind to a linear constant factor; stated here because the gate cannot state it.
(3 samples per arm, blocked not interleaved — an estimate, not a rigorous number.)
A per-file memo keyed by node span makes both passes share one walk per body, so
the write side no longer pays a second one.

SCHEMA_BUMP 40 -> 41 with its exact-value pin, since capture emission changed.
Re-check against origin/main immediately before merge — main was 39 at commit time.

Mutation-verified both directions, which is the part that matters:
  - unwire `scopeOwnsReceivers`, rebuild -> exactly 2 rows red
    (`loop-var-read-does-not-see-the-field`, `pattern-read-does-not-see-the-field`),
    83/85 green.
  - over-widen the mask (drop the `shadows.has` test) -> 28 Dart rows red,
    including `unshadowed-read-in-a-shadowing-class-still-resolves`.
The three control rows stay green under the first mutation BY DESIGN — they guard
overreach, not the defect; the second mutation is what proves they are live. Pre/post
on the trigger row: `{Class:Alien, Alien.inner#0, Outer.inner#0}` -> `{Class:Alien,
Alien.inner#0}`, so no row can pass vacuously.

Matrix 80 -> 85 tests. Sweep 3220 passed (was 3215; exactly +5). tsc clean. All four
capture gates green: receiver-resolution OK, scope-capture PASS (15 languages, no
fingerprint moved, nothing rebaselined), callable-value-flow PASS, swift golden 9.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ts,js): let each language name its own class-field node type

CI caught a defect the whole review round missed. `grammar-literal-validation`:

    1 dead grammar literal(s) found:
      - node-type "field_definition" — languages/typescript/captures.ts:0
        — not valid in [typescript]

`isStaticClassFieldBinding` held BOTH spellings in one set —
`public_field_definition` (TypeScript) and `field_definition` (JavaScript) — so
that one predicate could serve both languages. But the predicate lives in
`typescript/captures.ts`, and the gate checks every literal against the grammar
of the FILE it appears in. `field_definition` is not a TypeScript node type.

The literal was NOT dead code: `javascript/captures.ts:42` imports the predicate
and calls it against real JS nodes, so the guard worked. The gate is still right
to fail it, and for exactly the reason this predicate's own docblock gives for
preferring `hasKeyword` over a node-type test — "a node-type test silently stops
firing on a grammar bump and every static field starts retyping its instance
twin again". A literal already dead in its own file is that failure shipped
pre-broken: nothing in the TypeScript file would ever have told us.

Each language now names its own node type and passes it in
(`TS_CLASS_FIELD_DEFINITION_TYPES` / `JS_CLASS_FIELD_DEFINITION_TYPES`), so every
literal is checked against the grammar it belongs to. The `hasKeyword` logic and
the static/instance reasoning stay shared and unchanged — only the node-type set
moves to the caller.

WHY THE LOCAL SWEEP DID NOT CATCH IT: I ran `test/integration/resolvers` and
`test/integration/cfg`. The gate is `test/integration/grammar-literal-validation.
test.ts`, in the parent directory. Scoping a sweep to the subdirectories a change
touches is precisely how a cross-cutting gate gets skipped.

grammar-literal-validation 4 passed. tsc clean. Full `test/integration` +
`test/unit/scope-resolution`: 6305 passed, 14 failed — all 14 in e2e/environment
suites (fts-extension-e2e 9, analyze-heap-oom-e2e, cli-e2e,
analyze-wal-checkpoint-failure, plus interproc-taint and parse-impl-env-reads,
which BOTH pass in isolation and fail only under 28-worker load). CI runs the
same files green.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(dart,ts): pin all seven read-side binder shapes; correct a wrong accepted-cost claim

Two review findings, one of which turned out to be a documentation defect rather
than the design defect it was filed as.

S8 — THE READ-SIDE FIX PINNED 2 OF THE 7 SHAPES IT REPORTED REPRODUCING.
`ab2f48c17` reported the wrong-edge defect reproducing in seven binder shapes and
landed rows for two. The stated mitigation was that all seven route through one
`collectDartBodyShadows` enumeration whose completeness the grammar-derived
coverage guard protects. That mitigation is NARROWER THAN CLAIMED: the guard
filters `nodeTypeInfo` on `type.includes('pattern')`, so it covers the pattern
family and NOT catch bindings, closure parameters, plain locals, or formal
parameters. Narrowing `addDartBinderName`'s catch arm would have turned no row red.

All seven were re-measured by unwiring `dartScopeOwnsReceivers` and rebuilding.
Every one gained the wrong edge `Outer.inner#0` — none had to be dropped as
non-reproducing. Five new rows: formal parameter, plain local `var`, catch
binding, closure parameter, for-in `var`.

Non-vacuity established structurally, not by assertion: the Dart AST was dumped
first to confirm each fixture produces the node `addDartBinderName` actually
inspects (`formal_parameter`, `initialized_variable_definition`,
`catch_parameters`, `for_loop_parts`). The catch row uses a bare `catch (zf)`
rather than `on Err catch` deliberately — an `on` clause names a type, which
would make the row measure type resolution instead of the mask.

S7 — THE ACCEPTED-COST COMMENT WAS WRONG, AND THAT IS THE FINDING.
It claimed dropping a static field's binding trades a wrong edge for a missed one.
Measured on a same-name twin, that is false:

    read                     with the drop      without it
    this.p  (instance twin)  Outer  correct     Alien  wrong
    Host.p  (static twin)    Outer  WRONG       Alien  correct
    Host.q  (static, no twin) none — missed     Alien  correct

The wrong edge did not disappear. It MOVED to the static read, which now picks up
the instance twin's type. Only the no-twin case is a genuine missed edge. The
trade is still right — `this.p` is far more common than `Host.p` — but it was
documented as safer than it is, and a reader deciding whether to revisit it was
being given the wrong picture.

NAMESPACING WAS EVALUATED AND DELIBERATELY NOT DONE. `Host.p.hit()` resolves
through `foldReceiverChain` in shared `compound-receiver.ts`, which explicitly
discards whether a chain's base was a class reference or a value (:519-527). The
class-constant bit exists only on the text-cascade path (`currentIsClassConstant`)
and is consumed solely by `isConstructionSelectorHop`; TS/JS take the fold, not
the cascade. `Scope.typeBindings` is `ReadonlyMap<string, TypeRef>` with no static
field. `ownsReceivers` cannot help — it is a suppressor that can only REMOVE a
binding, never route to a second one. A real fix needs `FoldState` to carry the
bit plus a key convention in shared code (an AGENTS.md:42 hook if not
language-neutral), it crosses the worker boundary so it needs a SCHEMA_BUMP, and
`compound-receiver.ts:826` iterates every binding for `fieldFallback` so a
namespaced key would leak straight back in as an ordinary field. Not a cheap or
safe change — and it would have been made with ZERO existing tests pinning
static-read behaviour.

So: smallest safe step instead. Two rows pin the measured behaviour
(`static-read-of-a-same-name-twin-picks-up-the-instance-type` asserts the positive
wrong target, not an empty set; `static-read-without-a-twin-loses-its-type` is a
known-gap), and the comment now says what actually happens. Anyone who revisits
this starts from measurements rather than from a claim.

No SCHEMA_BUMP: the `captures.ts` change is comment-only — verified, the diff has
no non-comment added lines.

Mutation red-rows 2/85 -> 7/90; each new row fails with a strictly larger set
(`+Outer.inner#0`), so none can pass vacuously. Overreach control still live:
dropping `shadows.has` turns 28 rows red including
`unshadowed-read-in-a-shadowing-class-still-resolves`.

Matrix 85 -> 92 tests. Sweep 3231 passed, 0 failed. tsc clean. All four gates
green, no fingerprint moved, nothing rebaselined.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(python): stop a dotted callee from fabricating a constructor type

S4 and S5 from the review round. They are ONE defect, not two, and the real one
is wider than the review described. Both live in a 32-line block THIS PR adds
(`@@ -116,0 +117,32 @@` — a pure addition), so neither is pre-existing.

THE DEFECT. `constructorCallTypeName` rejected only a callee rooted at the
receiver and returned every other dotted callee whole to `resolveTypeRef`, which
resolves dotted names through `QualifiedNameIndex` — and that index matches the
TRAILING SEGMENT against a class of that name even when the callee is a method on
an unrelated object:

    class Alpha:
        def ping(self): return 1
    class Factory:
        def Alpha(self): return "not an Alpha"    # a METHOD
    class Host:
        def __init__(self, f): self.svc = f.Alpha()   # svc is a str
        def run(self): return self.svc.ping()
    # measured: Host.run -> Alpha.ping, fabricated

WIDER THAN FILED: the review framed the trigger as a callee rooted at an
`__init__` PARAMETER. Measured, the root's binding form is irrelevant — a
module-level variable (`shared_factory.Alpha()`) fabricates identically. Any rule
written against what the root binds to would have fixed half the defect and left
the other half looking fixed. Both fabrications now have rows.

S5 IS A SYMPTOM, NOT A SECOND DEFECT. `self.conn = Outer()` then
`self.conn = Registry.get()` typed the field as `"Registry.get"` (resolving to
nothing, so the edge vanished) only because the dotted arm accepted
`Registry.get` as a constructor in the first place. Once dotted callees yield no
candidate, there is nothing weak left to displace with and `Outer` survives. So
`>=` is untouched and NO second mechanism was added: between two REAL
constructions last-write-wins is correct, and the existing `ReassignedField`
matrix row depends on it. Tightening the tie-break would have been the wrong fix
to a symptom.

THE FIX: accept a bare `identifier` callee only. Refusing ambiguous evidence at
CAPTURE time rather than resolving-then-rejecting is deliberate — the target-kind
route is not reachable from this file (`resolveTypeRef` already filters
`TYPE_KINDS`; the fabrication comes from a trailing-segment match in
`scope/walkers.ts`), and the root-alias route would collide with PR #2828, which
is rewriting exactly how an unaliased dotted namespace import resolves. This
change is orthogonal to #2828 by construction: it changes what is CAPTURED, never
how a name is looked up, and touches none of its files.

WHAT THE DOTTED ARM WAS ACTUALLY BUYING: nothing. The review (and this PR's own
docblock) justified it with `self.u = models.User()`. Measured, that shape emits
NO edge before or after this change — an instance field's binding lands in CLASS
scope, which never reaches the namespace split. The shape that really resolves is
the module-level local `u = models.User()`, which comes from `query.ts` and is
untouched here. The arm's entire measured contribution was fabrications, which is
what made the fix cheap.

#2828 COMPATIBILITY, checked not assumed: `import pkg.user` -> `self.u =
pkg.user.User()` resolves to nothing both before and after, so this cannot stop it
resolving. No test row pins that shape ON PURPOSE — asserting its current empty
state would plant a tripwire that goes red the moment #2828 lands. If #2828 also
teaches the FIELD path the namespace split, re-enabling dotted field callees
becomes a live option; the docblock says so, and says why redoing it capture-side
would re-open the fabrication.

SCHEMA_BUMP 41 -> 42 with its pin. This is parse-time capture emission: after the
fix `self.svc = f.Alpha()` emits no `@type-binding.constructor` capture at all, so
a v41 warm cache replays the pre-fix capture set for byte-unchanged files and
keeps serving the fabricated edge (GUARDRAILS.md:34). A within-PR re-bump, not a
collision fix — 40/41/42 are all this unmerged branch's, and `origin/main` is at
39. Re-check against origin/main immediately before merging.

Mutation-verified in BOTH directions, which is what shows the fix is placed at the
right width rather than merely working:
  - revert the fix     -> exactly 3 red: both S4 fabrication rows + the S5
                          displacement row (8 green)
  - reject EVERY callee -> exactly 3 red: the three positive-typing rows (8 green);
                          the S4 rows correctly stay green
The two mutations hit DISJOINT row sets — too loose and too tight each break a
different half.

No row asserts an empty set: the three "must not type" rows call `Alien.ping()` as
a witness so a regression SWAPS a target in rather than emptying. Non-vacuity is
asserted in the test itself — one guard checks every caller node is live, another
asserts the `Alpha` class / `Factory.Alpha` method name collision the fabrication
NEEDS is actually present, so the rows cannot rot into passing for the wrong reason.

Sweep 3268 passed, 0 failed. Python unit + python.test.ts 342 passed. tsc clean.
All four gates green — no bench cell moved, nothing rebaselined.

Refs #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-04 19:31:25 +01:00
Gergő Magyar
9eaf2e6c4e
perf(mcp): cut the analyze-only language-provider closure out of MCP server startup (#2802) (#2806)
Some checks failed
CodeQL / Analyze (javascript-typescript) (push) Has been cancelled
CodeQL / Analyze (python) (push) Has been cancelled
Gitleaks / gitleaks (push) Has been cancelled
Publish / Classify release event (push) Has been cancelled
Scorecard / Scorecard analysis (push) Has been cancelled
Skill copy sync / shipped skills drift guard (push) Has been cancelled
Trivy Image Scan / Trivy (gitnexus-cli) (push) Has been cancelled
Trivy Image Scan / Trivy (gitnexus-web) (push) Has been cancelled
Publish / RC guard (marker + release-PR skip) (push) Has been cancelled
Publish / ci (push) Has been cancelled
Publish / Publish to npm (push) Has been cancelled
Publish / Build & Push RC Docker images (push) Has been cancelled
* fix(mcp): key the empty-ascent note on CALL_SUMMARY data, not language (#2802)

`pdg-impact.ts` decided whether to append a "return-value ascent is
TypeScript/JavaScript-only" caveat to the `impact(mode:'pdg')` note by
looking up the criterion file's language. That put language-specific
logic in a layer that must be language-agnostic, and it was a lossy proxy
for a fact the graph already holds.

Whether the ascent can fire is a property of the persisted CALL_SUMMARY
edges. The descent already computes it, so thread the resolved-callee and
return-flowing counts out of `interproceduralDescent` and key the note on
those instead.

Three defects the language proxy carried, all gone:

  - Wrong for `.mjs`/`.cjs`/`.mts`/`.cts`: the provider registry's
    extension arrays omit them while the ingestion pipeline parses them
    as TS/JS, so those files were harvested but the note claimed their
    ascent was empty.
  - Silently stale: any language whose harvester started recording formal
    indices would keep getting the caveat until someone edited the list.
  - Wrong in reverse: a TS/JS callee with no return-flow got no caveat, so
    an ascent that found nothing read like one that covered the slice.

`pdg-impact.ts` now names no language and imports nothing from the
language layer, which also drops the analyze-only provider closure from
MCP server startup. Measured on overlayfs against a full build:

  import mcp/local/local-backend.js  before  565-648 ms / 548 modules
  import mcp/local/local-backend.js  after   458-463 ms / 170 modules

Tests hold CALL_SUMMARY content fixed while varying the file extension
across nine languages and assert the note text is identical, then hold the
extension fixed and vary the summary to show the note tracks the data.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): guard MCP startup against the language-provider closure returning

The eager `pdg-impact.ts -> core/ingestion/languages` edge was found and
lost once already during #2793 before #2802 re-derived it, so it gets a
test rather than a comment.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(lbug): record why csv-generator is not lazy-imported

#2802 proposed cutting `csv-generator.js` out of the adapter chain to
shorten MCP server startup. Measured on a native filesystem, the marginal
cost is small relative to the siblings this module already imports, and
`core/search/bm25-index.ts` statically imports `normalizeFtsText` from the
same module on a path `local-backend.ts` reaches dynamically for FTS — so
deferring would relocate the cost to first query, not remove it.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(pdg): pin chained receiver calls reaching BasicBlock.calleeIds

The PDG inter-procedural descent hops through `BasicBlock.calleeIds`, so
it can only cross a call boundary the resolver resolved. Chained receiver
calls reach `calleeIds` through the receiver-typing pass's own
`calleeIdSink` — a separate path from plain calls.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(analyze): drop the stale per-language cross-reference (#2802 review P3-4)

`pdgModeMismatch`'s comment told readers to keep "the diagnostic
per-language refinement in the impact CONSUMER (see pdg-impact.ts
assemblePdgImpactResult)". That refinement is no longer per-language —
removing it is the point of #2802, which now keys the empty-ascent note on
the persisted CALL_SUMMARY data instead.

The comment's real invariant is untouched and still correct: the values in
`resolvePdgConfig` must stay scalar, because the comparison below is a
shallow `!==` and an object would compare by reference. Only the
cross-reference was stale.

Comment-only; no executable line changes.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): probe the real module loader for the startup language closure (#2802 review P1-2)

The previous guard hand-rolled a regex walk over TypeScript source to
assert `core/ingestion/languages` was not statically reachable from MCP
startup. Four bypasses were reproduced against it, any one of which let
the exact 226-module regression return while the test stayed green:

  a. Wrong entry root. It walked from `mcp/local/local-backend.ts`, but the
     server module is `mcp/server.ts` — which imports LocalBackend as
     `import type`, so the guard's anchor was not even on server.ts's
     runtime closure. Ten real startup modules sat outside it.
  b. A top-level `await import(...)` executes during module evaluation, so
     it is eager at startup — but the walker skipped every `import(...)`
     by construction.
  c. The `import type` strip deleted a 16,445-character window of
     `pdg-impact.ts`: an `export type X =` matched lazily to the next
     `from "…"`, which lives inside a string literal. Any import in that
     window was invisible.
  d. The comment strip treated a `/*` inside a string literal as a comment
     opener.

Replace the approximation with a real module-load probe: spawn a child
node process per entry, import the built `dist/` entry, and report what
the loader actually pulled in. Rooted at `dist/mcp/server.js` and
`dist/cli/mcp.js` (the real startup entries) plus
`dist/mcp/local/local-backend.js`. Syntax cannot fool it.

One deviation from the two existing sibling probes is load-bearing:
`dist/` is ESM, so a `require.cache` diff alone cannot see the first-party
`dist/**` graph — it only catches CJS and native modules, which is why
`import-closure.test.ts` gets away with it (it asserts on
`@ladybugdb/core`). A pure cache diff here would have reported zero
language modules unconditionally, i.e. a new vacuous guard. This probe
unions `module.registerHooks({ load })` with the cache diff, and each
entry carries a non-vacuity anchor and a module floor so an empty result
fails loudly.

Verified load-bearing: adding a top-level
`await import('../core/ingestion/languages/index.js')` to
`src/mcp/resources.ts` and rebuilding turns `dist/mcp/server.js` red with
70+ named offenders, while the `local-backend` and `cli/mcp` cases stay
green — which is bypass (a) demonstrated directly. The old guard passed
that poisoned tree entirely.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(lbug): drop the unreproducible 9p multiplier from the csv-generator note (#2802 review P3-2)

The comment justifying why `csv-generator.js` is NOT lazy-imported carried
a hard "~40x" figure for how much a 9p mount inflates per-file ESM
resolve. Three independent measurements during review produced ~40x, ~7.3x
and ~30x, so the multiplier is not a reproducible quantity and had no
business being stated as one in a durable comment.

Reworked so the STRUCTURAL argument leads and the numbers only support it.
That argument is what actually settles the question and it does not rot:
`core/search/bm25-index.ts` statically imports `normalizeFtsText` from
`csv-generator.js`, and `local-backend.ts` reaches bm25-index through a
dynamic import on the FTS query path — so deferring here relocates the
cost to first query rather than removing it. Both verified again at
`bm25-index.ts:15` and `local-backend.ts:2756`.

Remaining figures are re-measured, attributed to a date and issue, and
labelled by filesystem: ~1.6 ms marginal (median of 45 cold imports on
local disk) versus ~50 ms for the same import on a network mount, stated
as environment-bound rather than as a property of the module. The
provider-registry cost is given as "several hundred modules" — the static
walk, the runtime hook, and the reviewer's probe each counted it
differently (375 / 439 / 407), so no single number was picked to go stale.
The old "226 modules" was real but counted only the `languages/` subtree
and undercounted the win.

Also repoints the trailing reference to the guard's new home at
`test/integration/mcp/startup-language-closure.test.ts` (same comment
block, inseparable from this rewrite).

Comment-only; no executable line changes.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(mcp): stop the empty-ascent note asserting a fact an undecodable summary contradicts (#2802 review P2-2)

The note claimed "this is a property of the persisted summaries" whenever
the descent resolved callees and none carried a return-flow. But
`decodeCallSummary` never throws by design: a version-skewed (`2|r:1`),
corrupt (`1|r:zz`), or NULL `reason` yields no entry, which was
indistinguishable from a cleanly-decoded empty summary. So the note could
assert "no formal parameter is recorded as flowing to its return value"
about a callee whose CALL_SUMMARY actually records `p0 -> return`.
`meta.pdg.hasCallSummary` is a plain boolean and stores no codec version,
so nothing else caught it.

`calleesWithReturnFlow` now reports three outcomes instead of two —
flowing, decoded-empty, and undecodable — and the undecodable count is
threaded through the descent to the note. When it is non-zero the note
says so and points at a re-index; when every summary decoded, the
persisted-summaries claim is kept and now explicitly conditioned on that.

Soundness is unchanged: an undecodable summary still licenses no ascent
and never enters the return-flowing set, so the ascent path is
byte-identical. Only the note's wording moves.

Tests drive all three undecodable forms through the mock and assert the
false claim is gone, the remedy is reported, and the ascent is still
withheld. A companion assertion pins that the all-decoded case KEEPS the
persisted-summaries claim, so the fix cannot degenerate into deleting the
sentence. Verified load-bearing: reverting the source alone fails 6 of 34.

Impact analysis: `calleesWithReturnFlow` upstream LOW (2 callers, both in
this file); `assemblePdgImpactResult` upstream LOW (1 caller).

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(pdg): cover every chained-receiver shape and pin the inference gap (#2802 review P2-1, P3-1)

The fixture proved chained receiver calls reach `BasicBlock.calleeIds`
using exactly one receiver form — a local `const`. That is the shape that
works, so a single-shape fixture implied general support the resolver does
not have. This repo has been burned by that before: a drop-count gate
blind to fixed shapes.

Measuring nine forms against the real pipeline also corrects how the gap
was originally characterised. It is NOT local-versus-field. An annotated
field resolves fine, including the constructor-assigned variant:

  private p: Outer = new Outer();          -> both links
  private p: Outer; this.p = new Outer();  -> both links
  private p = new Outer();                 -> EMPTY CELL
  private p; this.p = new Outer();         -> EMPTY CELL

The discriminator is the type ANNOTATION. When a field's type must be
inferred from its initializer the whole `calleeIds` cell empties — so even
`Outer.inner`, an ordinary named-receiver call, is lost, and the
inter-procedural descent cannot cross the boundary at all. Pre-existing;
independent of #2802, which does not touch receiver resolution.

The fixture is now table-driven over seven working forms (local const,
local in a method, annotated field, ctor-assigned annotated, ctor-param
assigned, call-result receiver, three-link chain) plus the two
inference-typed forms, each row carrying its expected chain-link ids.

Assertions moved from substring to exact id membership, split with the
production `splitCalleeIds` reader — so `Inner.compute` can no longer be
satisfied by `Inner.computeExtra` or `OtherInner.compute`, which matters
because the descent keys on exact ids for span and CALL_SUMMARY lookup.

The two known-gap rows are pinned with `it.fails` plus a hard assertion on
the exact gap-row set, so a resolver fix turns them red instead of passing
silently, and an anti-vacuity guard requires every shape to match exactly
one block — without it a drifted fixture matching zero blocks would let
`it.fails` pass for the wrong reason. Proven by mutation: relabelling a
working row as a known gap fails both pins.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(mcp): qualify the empty-ascent note when the examined callee set is incomplete (#2802 review P2-4)

The note asserted "none of the N resolved callees carry a CALL_SUMMARY
return-flow", and on the all-decoded path that this is "a property of the
persisted summaries". Both are universal claims over the callees the
descent actually examined, and two mechanisms can leave that set
incomplete without the note saying so:

  1. Budget truncation. The descent stops on depth/limit/node-cap, so a
     callee that DOES carry a return-flow can sit in a hop never reached.
     A 4-deep chain reported "none of the 3 resolved callees" while link 4
     held the only summary.
  2. Emit-time capping. When a block's `calleeIds` cell was capped,
     `splitCalleeIds` strips CALLEES_TRUNCATED_SENTINEL, so the dropped
     callees are invisible to both the scan and the counters — even though
     the callgraph bridge in this same file already treats such a block as
     callee-incomplete.

Add `calleeIdsWereTruncated`, the counterpart to the sentinel strip, read
from the raw cell before splitting so a block whose entire list was capped
away still raises the flag. Thread it through the descent to the note.
Case 1 needs no new plumbing — the aggregate `truncated` is already on the
input object.

Using the aggregate rather than a descent-only flag is deliberate: seed
truncation and intra-BFS depth truncation also shrink the initial slice, so
their callees are never gathered either. It is a sound superset that never
under-hedges.

When either mechanism fired, one clause naming the reasons is appended and
the whole-slice assertion softens to "every summary examined decoded … a
property of those summaries". When the set is complete both branches stay
byte-identical to before, so this does not become a blanket hedge.

Tests pin truncated, untruncated, emit-capped-alone, both-mechanisms, and
undecodable+truncated, asserting the truncation premise rather than
assuming it. Verified load-bearing: reverting the source alone fails 6 of
42, and the HEAD note printed in those failures is the bug verbatim.

Impact analysis: `assemblePdgImpactResult`, `calleeIdsByBlock`,
`interproceduralDescent` all upstream LOW; every caller is in this file and
`runImpactPDG`'s exported signature is unchanged.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(mcp): stop the empty-ascent note calling call-site references "resolved callees" (#2802 review P3-7)

The note printed "none of the N resolved callees carry a CALL_SUMMARY
return-flow (no formal parameter is recorded as flowing to its return
value)". N counted the raw `BasicBlock.calleeIds` cell, which carries ids
`resolveCalleeSpans` never enters — out-of-repo targets, interface
methods, and the `Class:` id a `new X()` emits. On the chained-receiver
fixture that inflated N from 1 to 3.

Two defects, both in the wording rather than the arithmetic: "resolved"
implies a symbol-table lookup that did not happen for those ids, and the
parenthetical asserted a FORMALS-level property about symbols never
resolved to a body.

Reworded rather than re-seeded, deliberately. `calleesWithReturnFlow`
scans the RAW id set, so the claim "none of these carries a return-flow"
is exactly established for all N — the scan really did check the `Class:`
id. Re-seeding N from the resolved spans would make the sentence quantify
over a strict SUBSET of what was checked, silently dropping the
un-enterable references from a claim that genuinely covers them, and would
desync N from `calleesUndecodable`, which is derived from the same scan
population.

  none of the N resolved callees carry ...
  none of the N call-site callee references carry ...

and the formals parenthetical is dropped. The note gets shorter, not
longer. `calleesResolved` is renamed `calleeReferences` end-to-end
(file-local; nothing outside referenced it), and the descent's return-type
doc — which called them "callee symbols the descent resolved" and
reinforced the wrong reading — now states that un-enterable ids ride the
same cell, are scanned, and are never entered.

The `> 0` gate is unchanged, so no slice that previously produced the note
stops producing one. A test pins that explicitly: an all-un-enterable cell
resolves no span, takes no hop, and emits no ascent sentence despite a
non-zero count — so a future re-seeding cannot silently move when the note
fires.

Tests also pin the quoted number and singular/plural against a mixed cell,
with a discriminator asserting `reachableBlocks` is byte-identical while
the count moves 1 -> 3. Verified load-bearing: reverting the source alone
fails 6 of 7 new tests, printing the finding verbatim.

Impact analysis: `assemblePdgImpactResult` and `interproceduralDescent`
upstream LOW, sole caller `runImpactPDG` in the same file; exported
signature unchanged.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): pin cross-hop callee accumulation and the mixed return-flow contract (#2802 review P2-5)

Every case in this file drove a single hop, so the Set union the descent
performs across hops (`calleeReferencesSeen` / `calleesReturnFlowingSeen`)
was never proven to accumulate rather than overwrite — a one-hop descent
cannot tell the two apart. And although a sibling commit added a
three-id cell, none of those ids return-flowed, so the
"some callees flow, some do not" boundary was entirely unpinned.

Extends the mock with a `secondSummary` knob that drives a genuine second
hop: `helper2` is named only in `helper`'s own body block, so the descent
must cross a second boundary to reach it. Three mock handlers are made
faithful to the parameters they already bind — `calleeIdsByBlock` now
routes on the asked `$ids`, and the CALL_SUMMARY scan and span resolve
answer per asked id — which is what makes a second callee answerable at
all. Existing cases are behavior-identical.

Five tests: the union count across two hops; a return-flow on hop 0
surviving a later empty hop; a return-flow found only on hop 1; mixed
callees in one examined set going silent rather than partial; and a
flowing callee alongside an undecodable sibling staying silent including
the decode remedy.

The mixed case pins a deliberate contract rather than proposing one. The
production condition is `calleesReturnFlowing === 0`, so partial coverage
is reported as silence. A reviewer considered and dropped "report partial
coverage" as a product change; this makes flipping it a conscious edit
instead of an accident.

Verified load-bearing against three separate source mutations: accumulating
only on hop 0 (2 fail), each hop overwriting instead of unioning (3 fail),
and flipping the gate to partial-coverage reporting (4 fail). In all three
every PRE-EXISTING test still passed — which is the finding restated as
evidence.

Test-only; `pdg-impact.ts` is byte-identical to HEAD.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(mcp): consolidate the empty-ascent rationale to one canonical site (#2802 review P3-6)

The "keyed on observed CALL_SUMMARY data, never on the criterion's
language" rationale was restated in full at four comment sites. It exists
because a reviewer asked "why not just look up the language?", so it has to
stay findable — but not four times.

The canonical explanation now lives in `interproceduralDescent`'s
return-type doc, where the counters are actually computed, organised as
POPULATION (why the raw `calleeIds` tally is the right set to quantify
over) and OBSERVED DATA, NEVER THE CRITERION'S LANGUAGE (the full
answer, including the producer-change argument and the no-language-naming
rule). The other three sites keep only what is locally load-bearing and
point here.

Deliberately preserved, because each carries a non-obvious fact: why an
undecodable summary licenses no ascent, why the aggregate `truncated` is
used rather than a descent-only flag, and the raw-id-tally population
argument. Net comment delta -11 lines.

The reviewer also flagged the local/field naming asymmetry
(`calleeReferencesSeen` vs `calleeReferences`). Keeping the suffix, with a
comment recording why so it is not re-raised: the premise that every other
local matches its field is true, but those locals are identity-returned,
whereas these are `Set<string>` accumulators returned as `.size`. Dropping
the suffix would give one identifier two types in one file — a `Set` at the
accumulation site and a `number` where the note does arithmetic and
pluralisation on it ~900 lines away. The Set-ness is also load-bearing: the
dedup is why a callee invoked from two hops is not double-counted, which
is what makes the note's count correct.

Comment-only. Verified mechanically: every added and removed line in
`git diff -U0` matches a comment pattern, so the note's template literals
are untouched and its rendered text is byte-identical. 89 tests unchanged.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(mcp): collapse the ascent plumbing accreted across 13 fix commits

Quality cleanup, no behavior change. Four independent review passes
converged on the same root cause: thirteen commits each fixed one review
finding in isolation, and the ascent facts grew one loose field at a time
until 62% of the changed region was comments explaining plumbing.

Five changes:

  - `calleeIdsFromBlocks` deleted. Zero call sites anywhere in src/ or
    test/ — already dead on main, and this branch had edited it to keep it
    compiling. Its only reference was a stale `{@link}` in a neighbour's
    doc, now rewritten to stand alone.

  - `parseCalleeIdsCell` replaces the two-pass read. `calleeIdsWereTruncated`
    and `splitCalleeIds` were splitting the same cell on adjacent lines,
    which measured ~2x the parse cost (0.82 -> 1.59 ms at a realistic hop,
    57.7 -> 92.7 ms at the per-statement site cap) and was a second
    independent encoding of the sentinel format — exactly what
    `splitCalleeIds` was extracted to prevent. One pass classifies as it
    walks; `splitCalleeIds` stays as a wrapper so its two external callers
    are untouched. The single-use `export` is gone.

  - `AscentCoverage` replaces four fields threaded through three
    signatures. ~12 declaration sites become 3, and the canonical rationale
    now lives on the type by construction — which is why the earlier
    doc-consolidation commit was needed at all.

  - `calleesReturnFlowing` becomes a boolean. Its only reads were
    `=== 0`, twice; it cost a Set sized to every callee in the slice plus a
    per-hop union loop. The flag is set inside the existing
    `returnFlowing.size > 0` branch — equivalent, since the cross-hop union
    is non-empty iff some hop's was.

  - The duplicated empty-ascent note head is collapsed to one gate and one
    head with per-arm tails. Both arms had been edited in lockstep twice in
    this branch's own history.

The rendered note text is byte-identical. Verified structurally and then
empirically: both expressions reconstructed standalone and diffed across
the full cross product of references x returnFlowing x undecodable x
truncated x listTruncated — 288 combinations, 0 mismatches.

Net -53 lines. 102 tests pass unedited; the unused-symbol lint warning is
gone.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): parallelise the startup probes, drop a redundant pin, name the mock knobs

Quality cleanup from the same review passes. The set of verified behaviors
is unchanged except where noted.

**Startup probes run concurrently.** `spawnSync` blocks the event loop and
vitest runs a file's tests in order, so the three probes strictly
serialised. Launching all three with async `spawn` in `beforeAll` and
asserting over the collected outcomes cuts the file from ~12.7 s to ~3.9 s
wall (-69%). Every promise is caught before `Promise.all`, so all three
children are reaped and failures report per entry rather than surfacing
only the first rejection. Preserved and each proven by mutation: the
missing-dist error names its entry, a raised module floor fails only its
own row, and a bogus anchor still reports the loaded-module count.

**The two `it.fails` rows are removed.** They pinned the inference-typed
receiver gap that the strict `toEqual` pin beside them already covers —
and they were the weaker of the two, because `it.fails` passes when the
body throws for ANY reason, including `idsFor`'s own non-vacuity guard. A
renamed fixture marker would have kept them green on a rotted premise. The
strict pin is self-diffing and was verified load-bearing on its own:
pointing a known-gap marker at a resolving shape fails it with the two
newly-present ids listed. The file header now carries the gap's durable
description.

**The ascent-note mock takes options objects.** `descentExec` and `run`
had grown to five and seven positional parameters in the order five agents
added them, so call sites read `run(FILE, true, null, 3, false, undefined,
null)` — several carrying `undefined` purely to reach a later argument. All
34 call sites are converted; nine that used only defaults are now bare
`run(file)`. No knob renamed — they are orthogonal and correctly named.
Code lines are exactly neutral (353 -> 353); the win is at the call sites.

Also refreshes five comments that still described `calleesReturnFlowingSeen`
and the two-branch note, both of which the preceding commit replaced.

102 unit and 10 integration tests pass; test count moves 9 -> 7 in the
chained-receiver file, exactly the two redundant rows.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(mcp): publish return-value-ascent coverage on the PDG impact result

`impact(mode:'pdg')` computed four facts about ascent coverage and used
them exactly once — to interpolate an English sentence. They never reached
the result object, so an agent consuming this MCP output could only ask
"was the ascent complete, and if not why" by regexing prose. The cost was
already demonstrated: a pure rewording commit earlier in this branch broke
~30 assertions and would have silently broken any consumer keying on the
old phrase.

Adds `pdgEvidence.ascent`:

    referencesScanned        how many call-site callee references were scanned
    returnFlowFound          did the ascent fire anywhere in this slice
    undecodableSummaryCount  summaries the codec could not decode
    examinedComplete         was the examined set the whole callee list
    incompleteReasons        'traversal-truncated' | 'callee-list-capped'
    callSummaryLayerPresent  false => pre-FU-C (v3) index

Nested under `pdgEvidence` because that is the established counts-and-
classification namespace, and `composeUnifiedPdgImpactResult` already
spreads it, so the member survives the unified compose untouched.

`incompleteReasons` carries CODES, following the existing
`truncatedByReasons: ('depth'|'limit')[]` precedent. The prose clause and
the structured field now render from one array computed once, so an agent
branching on codes and a human reading the note cannot disagree, and a
third reason becomes a rendering decision rather than a contract change.

Two shape decisions worth recording. `callSummaryLayerPresent` exists
because without it a v3 index publishes `referencesScanned: N,
returnFlowFound: false`, which reads as "these callees record no
return-flow" when the truth is "the layer that records it is absent" — the
note already distinguishes those, and the structured surface must not be
less honest than the prose. And the field is ABSENT rather than zeroed when
the descent never ran (upstream slices): "nothing was scanned" is a
different fact from "we scanned and found nothing".

`pdgResultVersion` stays 2. The documented trigger is a BREAKING change to
the result shape; this removes nothing, renames nothing, and changes no
existing field's meaning. Confirmed mechanically: zero top-level key drift
across 2304 cases. The historical v2 bump was for changing an existing
field's semantics (startLine 0- to 1-based).

The note prose is byte-identical, proven across the same 2304 cases with a
negative control — perturbing one character of the phrase table produces 60
drifts, so the harness demonstrably detects what it asserts. 14 new tests
cover the structured surface and all 14 fail when the source is reverted,
while the 54 prose tests pass unchanged.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(helpers): share one module-load probe, and fix two guards that passed on broken builds

Three tests independently spawned a child node process to inspect what a
built `dist/` entry loads, duplicating the REPO_ROOT derivation, the probe
source, the missing-dist guard, the spawn with NODE_OPTIONS cleared, the
status-vs-signal rendering, and the payload parse. The newest copy was also
the only correct one, so the next author had 2-in-3 odds of copying a
weaker probe.

The two older probes diff `require.cache` only, which is structurally blind
to the first-party ESM `dist/**` graph. That is not theoretical — both were
demonstrated passing on genuinely broken builds:

  - Severing `dist/cli/mcp.js -> stdio-context.js` (a pure ESM change)
    leaves the require.cache diff EMPTY, so `import-closure.test.ts`'s two
    assertions reduce to `[].filter(...) === []`. It reported 2 passed on a
    severed graph.
  - Severing `registry -> swift/query.js` leaves 76 unrelated CJS entries,
    which satisfied `registry-import-closure.test.ts`'s indirect guard. The
    Swift half of its headline had gone vacuous and it reported 1 passed.

Both now fail on those same builds, naming the missing anchor.

`test/helpers/module-load-probe.ts` unions the ESM `registerHooks({ load })`
channel with the cache diff, probes entries concurrently, and makes
non-vacuity STRUCTURAL: `anchor` and `minModules` are required fields and
the helper throws when either fails. A vacuous probe is a harness failure,
not a silently green test, so it cannot be forgotten. Forbidden patterns
and remedy text stay per-test — the harness is the shared part, the policy
is not.

Also fixes `toRepoRelativePosix` resolving non-absolute specifiers against
`process.cwd()`, and dedupes modules a CJS-from-ESM import reported once
per channel.

Faster despite doing more: the registry file goes 12.4s -> 6.75s, because
`spawnSync` burned the parent thread polling while the child loaded native
grammars. `import-closure` drops to one spawn from two.

The `local-backend.js` entry is kept although its closure is currently a
strict subset of `server.js`'s: that is an observation, not an invariant.
If `server.js` ever stops eagerly reaching the local backend, the server
probe stays green while the module #2802 actually changed goes unobserved —
and now that anchors are mandatory, that entry is what pins `pdg-impact.js`.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(lbug): trim the csv-generator note and fix the claim it got wrong

Two reviewers split on this comment: one wanted it cut to the structural
argument, the other said a comment is the right depth for documenting a
rejected change since there is no invariant to guard. Both are right, so
it stays a comment and gets shorter — 13 lines to 6.

Trimmed because it had already taken two corrections (an unreproducible
"~40x" figure, and a pointer to a test file that no longer exists), and its
tail had drifted from its own guard: the comment said "several hundred
modules, ~150 ms" where `startup-language-closure.test.ts` says "~226
extra modules and ~130 ms". Two numbers for one fact. That tail is
documented better in the guard's own header, so deleting it loses nothing.

It also stated the load-bearing claim inaccurately. The old text said
bm25-index imports `normalizeFtsText` "from here" — but `lbug-adapter.ts`
neither exports nor re-exports it; the only occurrence of the identifier in
this file WAS the comment. Anyone verifying would have grepped, found
nothing, and concluded the note was stale. Now names `csv-generator.js`
explicitly, re-verified at `bm25-index.ts:15` (static) and
`local-backend.ts:2756` (dynamic, on the FTS query path).

Comment-only, proven two ways: every changed line matches a comment
pattern, and stripping all `//` lines from HEAD and from the working tree
yields byte-identical text.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(helpers): extract the temp-repo lifecycle, collapsing five hand-rolled cleanups into one

Four cfg integration tests each hand-rolled a `tmpDirs` array, a
mkdtemp-and-register step, and an `afterAll` rmSync. It is actually five
registrations across six creation sites — `pipeline-pdg.test.ts` keeps a
second pool for its C-family fixtures.

Seeding genuinely varies four ways (recursive cpSync, single copyFileSync,
inline mkdir+writeFile, and nothing at all), so a fixture-copier helper
would have fitted about half the sites and made things worse. Extracted the
LIFECYCLE instead — mkdtemp, register, afterAll cleanup — which is
byte-identical at all five registrations and is the correctness-critical
part. `dir()` returns an empty registered directory for callers that seed
themselves; `fromFixture()` covers the common case. That fits 6/6.

The duplication had already produced a latent defect: `cFamilyTmpDirs` was
cleaned by TWO `afterAll` blocks, harmless only because `rmSync` was called
with `force: true`. Now one hook.

`createTempDirPool` is a function called from each test file's module scope
rather than a top-level hook in the helper, because under ESM caching a
module-level `afterAll` would register once, against whichever file
imported it first. That hazard is documented in the helper.

Raw line count is roughly neutral (-44 across the tests, +62 for the
helper, 29 of which are the rationale). The win is that a cleanup invariant
went from five copies to one.

Cleanup verified empirically, including the failure path: a throwaway suite
whose `beforeAll` throws still has its directory removed, and every
temp directory created by the four migrated files is gone after a run.
46 tests pass across the four files.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(resolvers): pin the inference-typed field receiver gap at the resolver level

The gap was pinned only in a PDG test, asserting on `BasicBlock.calleeIds`
behind the full `--pdg` pipeline. But it is a resolver fact: when a class
field's type must be inferred from its initializer, chained receiver calls
resolve to nothing. Whoever closes it will be working in the resolver
suite and would have got a red CFG/PDG test with no resolver-side signal.

Asserts CALLS edges directly, alongside `python-constructor-field-receiver.test.ts`.
Nine receiver shapes run the identical statement; seven resolve, two do not:

    const o = new Outer()                     resolves
    private p: Outer = new Outer()            resolves
    private p: Outer;  this.p = new Outer()   resolves
    private p: Outer;  this.p = p  (ctor arg) resolves
    constructor(private p: Outer) {}          resolves
    makeOuter().inner().compute()             resolves
    o.inner().mid().compute()  (three links)  resolves
    private p = new Outer()                   NO EDGES
    private p;  this.p = new Outer()          NO EDGES

Two things the fixture establishes that the PDG-side pin could not. The
discriminator is the type ANNOTATION, not local-versus-field — the
parameter-property form resolves fine. And the initializer is NOT invisible
to the resolver: `new Outer()` still emits its own constructor CALLS edge,
byte-identical to the annotated twin. Only the initializer-to-field-type
binding is missing, which narrows where a fix belongs.

Assertions key on exact node ids rather than names, because `compute` is
ambiguous across two classes and keying on the source name collides with
`Object.prototype.constructor`.

No `describe.skip` and no `it.fails` — the latter passes when the body
throws for ANY reason, so it can go green on a rotted premise. The gap is
pinned as its explicit current value, which self-diffs: simulating the fix
fails one test showing the two newly-resolved ids, and renaming a fixture
symbol fails the non-vacuity guard.

Runtime is comparable to the PDG-side pin (~9-11s, both dominated by
worker startup), so this is an altitude and scope win, not a speed one.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): replace the extension sweeps with a stronger language-agnosticism pin

Two `it.each` sweeps over nine file extensions asserted that the
empty-ascent caveat was present (or absent) for each. They looked like the
pin for the property the whole change exists for — `pdg-impact.ts` must
name no language and its output must not vary by extension — but they were
the weakest available form of it.

They asserted substring presence/absence, so a language dependence that
ADDS text while leaving the caveat intact passes them. Demonstrated, not
assumed: injecting a `.py`-only hedge inside the caveat sentence and
replaying the two sweeps verbatim against that source gives 18 passed. The
byte-identity test beside them caught it.

So the sweeps are deleted and the identity test carries the property alone,
hardened in two ways:

  - Two rows instead of one, covering BOTH sides of the caveat gate. The
    silent (return-flow present) branch previously had no identity
    counterpart at all — nine runs proving one fact, with nothing checking
    that its rendering was extension-invariant.
  - The fingerprint spans the note AND the reachable blocks, not just the
    note. Strictly more than the sweeps verified.

Entailment is exact: identity across the extension set, plus the two
existing single-extension content assertions, gives "every extension gets
the caveat" and "no extension gets it". Reducing a sweep to one extension
was rejected because it reproduces an assertion already present verbatim.

Also converts the incompleteness block from six near-identical bodies to a
3-row premise table crossed with two assertions. Each row now names the
exact phrase set its clause must contain, so presence and absence are
asserted together — which adds three checks the longhand version lacked
(the budget row now also proves the emit-cap phrase is absent). And three
tests that re-rendered one fixture to make one assertion each are hoisted
to a single render.

97 tests, down from 116: -18 sweep cases, -2 from the hoist, +1 identity
row. No assertion was lost; several were added.

Verified by injection: a `.py`-only note change fails the identity pin,
and a dependence in the shared hop sentence fails BOTH rows, confirming the
second row is load-bearing rather than decorative.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* perf(mcp): lazy-import syncGroup so MCP startup skips the group extractor closure

`core/group/service.ts` statically imported `./sync.js`, which pulls all six
contract extractors, five of which statically import the native `tree-sitter`
binding. That put the whole parser stack on every MCP server start, for a
server that never syncs.

Only `groupSync` needs it. The other seven group tools — `group_list`,
`group_impact`, `group_query`, `group_contracts`, `group_status`,
`group_trace`, `group_context` — do not, and now never load it. `syncGroup`
has a single call site, already inside an `async` method, so this is a lazy
`await import(...)` at that call site and nothing else: no signature change,
no async ripple, no change to `local-backend.ts`.

The pattern is already established on this exact module — `cli/group.ts`'s
sync command lazy-imports `sync.js` the same way. `service.ts` was the
outlier.

Measured on a native filesystem (overlayfs; /workspace is a 9p mount that
inflates ESM resolve, so it is not a valid measurement surface), 5 cold runs,
medians:

  dist/mcp/server.js              521 ms -> 133 ms   (-75%)
  dist/mcp/local/local-backend.js 453 ms -> 66 ms    (-85%)
  tree-sitter modules at both entries: 11 -> 0

Same defect class as #2802, which cut the language-provider registry from the
same startup path; this is what remained.

The cost is moved rather than deleted: the first `group_sync` call now pays
the module load. That is the right trade — `group_sync` is already a
long-running operation, and sessions that never sync pay nothing.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): guard MCP startup against the group extractor closure returning

Sibling forbidden-pattern case in the #2802 startup guard, reusing the
concurrent probes it already collects — no new spawn, no new harness.

Asserts that none of `dist/mcp/server.js`, `dist/cli/mcp.js`, or
`dist/mcp/local/local-backend.js` loads a `core/group/extractors/` module or
the native `tree-sitter` package. The parser is matched by package prefix
rather than a bare substring, so a source file that merely mentions the word
can neither satisfy nor trip it.

Verified load-bearing rather than assumed: restoring the static
`import { syncGroup }` in `core/group/service.ts` and rebuilding turns
`dist/mcp/server.js` red and names all seven offenders —
http-route, grpc, thrift, topic, include, manifest and workspace extractors.
Reverted and re-confirmed green.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* perf(mcp): keep the analyze-only CFG closure off MCP server startup (#2802 review)

`mcp/local/pdg-impact.ts` imported `CALLEES_TRUNCATED_SENTINEL` and
`CALLEE_ID_SEP` from `core/ingestion/cfg/emit.ts`. ESM evaluates a module to
import any binding from it, so those two strings dragged the whole analyze-only
CFG closure into every MCP server start.

Measured against a clean build, per entry point: 8 modules — `emit`,
`reaching-defs`, `reaching-defs-graph`, `control-dependence`, `post-dominators`,
`synthetic-escape`, `call-site-harvest`, `reaching-def-reason-codec` — present at
`dist/mcp/server.js`, `dist/mcp/local/local-backend.js` and
`dist/mcp/http-transport.js`.

Same defect class as the language-provider closure this branch already removed,
and the guard could not see it: `FORBIDDEN_RE` covers `core/ingestion/languages/`
and `FORBIDDEN_GROUP_RE` covers `core/group/extractors/|node_modules/tree-sitter`,
neither of which matches `core/ingestion/cfg/`.

The format constants move to a new LEAF module `cfg/callee-cell-format.ts` that
imports nothing; `emit.ts` re-exports both names so every existing importer is
untouched, and producer and consumer still resolve to one definition — the drift
the shared constant exists to prevent stays impossible.

Deleted, not deferred — the same bar #2802 held its own csv-generator proposal
to. After: cfg modules at startup 8 -> 2, and both survivors
(`callee-cell-format`, `reaching-def-reason-codec`) are leaves that import
nothing. Totals: `server.js` 387 -> 380, `local-backend.js` 163 -> 156,
`http-transport.js` 523 -> 516.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(mcp): stop pdgEvidence.ascent claiming a completeness it cannot have (#2802 review)

`examinedComplete` is the field a consumer reads to decide whether
`returnFlowFound: false` is a whole-slice claim. It could be published `true`
over a callee set the descent never finished examining — the exact false
all-clear the field was added to prevent.

Root cause: `bfsReachableBlocks` sets `truncatedByDepth` when its frontier is
still non-empty at the budget, but both call sites inside `interproceduralDescent`
folded only the row-limit flag and dropped the depth flag. The top-level intra
BFS's copy of that same flag was already propagated, so the asymmetry was
unintended — one `if`-pair folding limit-but-not-depth, within a merge that
already folds the node cap too.

Reproduced at `maxDepth: 3`, the shipped default: a criterion calling a helper
whose body is a 5-block dependence chain, with the return-flowing callee on the
block past the clamp. Result reported `truncated: undefined`,
`examinedComplete: true`, `incompleteReasons: []` and an unqualified universal
note sentence.

Fixed by propagating the dropped flags rather than inventing a parallel channel:
`intraDepthBudget` is documented in-file as the SAME clamp the top-level intra
BFS applies, and that one's depth truncation is already result-level. So the
result's own `truncated`/`truncatedBy` were under-reporting for the same reason,
and both surfaces are corrected together.

Four further honesty fixes to the same published record:

- Blocks reached only by the U-C4 ascent went into `reachable` but never
  `hopReached`, so their `calleeIds` cells were never scanned, never counted, and
  could not raise `callee-list-capped`. They are slice blocks; they now enter the
  hop set and get the same treatment as every other one.
- `pdgEvidence.ascent` was absent on the empty-slice early return even though the
  descent had already run and scanned, contradicting the "present iff the descent
  ran" contract this branch itself added to `tools.ts`. Both exits now classify
  through one shared helper so they cannot disagree.
- A block carrying call sites in `callees` but no resolved ids in `calleeIds`
  (the whole-file case where `emit.ts` has no fileMap) silently shrank the
  population while `examinedComplete` still reported `true`. That now raises a
  third reason, `callee-ids-unrecorded`.
- `referencesScanned` is a distinct-callee tally and both surfaces described it as
  a call-site count. Field name kept — a rename is breaking at
  `pdgResultVersion: 2` — and the prose corrected instead.

`PdgAscentIncompleteReason` gains a member, which is additive, so
`pdgResultVersion` stays 2. Visible output change worth knowing: slices whose
callee chain outruns `maxDepth` now report `truncatedBy: 'depth'` where they
previously reported none, and a repo with id-less call sites now reports
`examinedComplete: false`. Both are strictly more honest.

Every behavioural change carries a mutation proof — revert the source, watch the
new test go red, restore. One exception is documented inline rather than faked:
the ascent-side fold cannot be observed independently, because the re-seed shares
the caller's `visited` set and so can only reach past the budget when the
traversal that covered that closure was already cut and had already raised a flag.

Suite: 49 -> 59 tests.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(mcp): anchor each import-closure policy on the edge it polices (#2802 review)

`module-load-probe.ts` makes non-vacuity structural via a required `anchor` — but
the anchor was one per ENTRY while `startup-language-closure.test.ts` now runs TWO
independent policies. The group-extractor policy added in 83e8cf7c5 therefore had
no anchor of its own, and one of its three rows was already vacuous: `cli/mcp.js`
loads four leaf modules and reaches no `core/group/` module at all, so its group
assertion could not fail for any policy-related reason while its
`dist/mcp/stdio-context.js` anchor stayed green.

Proven, not argued. `dist/mcp/local/local-backend.js` is the only static importer
of `core/group/service.js` in the whole build; severing that one edge — the exact
next lazy-load step — and re-probing:

  OLD shape (anchor per entry):  server 385, http-transport 521, local-backend 161
                                 reaches group/service = false, group offenders 0
                                 -> GREEN on all three
  NEW shape (anchor per policy): -> RED on all three, each naming the missing
                                    dist/core/group/service.js

Counts fell only 387->385 and 163->161, so `minModules` was structurally blind to
the severance; the anchor is the only thing that catches it.

`anchor` accepts `string | readonly string[]` and every listed anchor must load.
Existing single-anchor call sites are unchanged. `anchorsOf()` lets the group
`it.each` DERIVE its entries by filtering on the group anchor, with a test pinning
that derivation, so the policy cannot silently register zero cases. `cli/mcp.js`
is dropped from the group policy — it cannot honestly carry that anchor — and the
doc-comment now states the invariant: an anchor is per-POLICY, not per-entry.

Also:

- `mcp/http-transport.js` gets a row. It is the largest startup entry (516
  modules) and `src/cli/mcp.ts` imports it directly rather than through
  `server.js`, so nothing about the server row constrained it. Measured clean
  today; the gap was coverage, not a broken claim.
- The three spawn-based closure tests are registered in `SPAWN_CLI`, so the
  Windows-safety plumbing this branch wrote for them (POSIX normalisation,
  `pathToFileURL`, `NODE_OPTIONS` clearing, array-form `spawn`) is finally
  exercised on the Windows/macOS matrix. Measured cost ~11.7s on Linux; budget
  ~60s on Windows against a 25-minute job.
- `PROBE_TARGET` now wins over `extraEnv`, which was spread last and could have
  silently redirected a probe while `anchor`/`minModules` stayed keyed on `entry`.
- The child's JSON payload is validated through a type predicate instead of a bare
  `as string[]`, and the spawn timeout escalates SIGTERM to SIGKILL so a child
  stalled in native code is reaped rather than orphaned.
- Recorded baselines re-measured (server 380, local-backend 156, cli/mcp 4) and
  relabelled a snapshot rather than a contract — they moved twice inside this
  branch alone. The subset claim was re-verified exactly: 0 of local-backend's 156
  modules are absent from server's 380.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(helpers): survive a failing temp-dir removal instead of leaking the rest (#2802 review)

`createTempDirPool`'s `afterAll` ran a bare `for (const d of created) fs.rmSync(d, {recursive, force})`.
`force` suppresses only `ENOENT` — not the `EBUSY`/`EPERM`/`ENOTEMPTY` class a
Windows runner produces when a pipeline test still holds a handle — so the FIRST
failure threw out of the loop and leaked every directory registered after it.

Pre-existing: all four hand-rolled cleanups this helper consolidated had the same
shape. But the blast radius is now shared across four consumers, which is exactly
why it is worth fixing at the point of consolidation.

Cleanup is now per-directory best-effort via `removeTempDirs`, plus Node's own
documented mitigation for that error class (`maxRetries: 3, retryDelay: 50`),
which costs nothing on the happy path.

Warn rather than swallow or rethrow, and the reasoning is in the doc comment, not
just here: rethrowing would fail an otherwise green suite from `afterAll` over
housekeeping the OS reclaims anyway, where it reads as a test failure and buries
the real result — a Windows EBUSY on a temp dir is not a defect in the code under
test. Silence is the opposite hazard: a systematic leak would be invisible with
nothing naming the responsible suite. The warning carries the path, and the
`mkdtemp` prefix is per-pool, so it names the suite that made it.

Failure is injected through a scripted remover keyed by path (a Map lookup, so no
`if` in a test body and no dependence on producing a real locked handle). Beyond
the three behavioural pins there is a wiring pin — a nested `describe` creates a
real pool and a sibling `it` declared after it asserts the dirs are gone — so the
tested function cannot drift into "tested helper plus an untested copy of the
loop".

Mutation proof: restoring the abort-on-first-failure loop turns 3 of the 5 tests
red, the throw escaping `removeTempDirs` outright so the third real directory is
never attempted. With the fix, `[first, blocked, last].map(existsSync)` is
`[false, true, false]` — the injected failure survives and the directory after it
is really gone, through the remover that actually ships.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(pdg): point the self-diffing receiver pins at #2807, not at this PR (#2802 review)

Both pins named the gap "(#2802 follow-up)". The gap has its own tracking issue —
#2807, "Inference-typed field receivers resolve to no CALLS edges at all" (open,
labeled bug) — and PR #2810 is already open against it. As written, after merge
the gap was discoverable only by reading a KNOWN GAP marker inside a test file,
not from the issue tracker.

Both describe names now read "(known gap: #2807)" and both KNOWN GAP test names
carry the number. #2802 is kept only as provenance: the gap was FOUND during
#2802 work but is pre-existing and independent of it.

Each header gains an explicit "this pin is self-diffing: it will go red on
purpose" section naming #2807 with its exact title, noting #2810 is open against
it at the time of writing, and stating that the pin asserts the gap EXISTS — so
closing #2807 fails it by design, and the correct response is to update the
expected value, not to relax the assertion. The same note is repeated inline
above each KNOWN GAP test, where a maintainer editing it will actually see it.

No pin is weakened. Both deliberately reject `it.fails` in favour of exact
`toEqual` assertions with a non-vacuity probe, and that design is left untouched.

Refs #2802, #2807

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(group): cover the lazy syncGroup import that no test reached (#2802 review)

9ea9676dc turned `GroupService.groupSync`'s `syncGroup` into
`await import('./sync.js')` — this branch's one changed control-flow line in
production code — and nothing exercised it. Every existing test stopped short:
`service.test.ts` returns at the empty-name guard; `group-service-not-found.test.ts`
mocks `loadGroupConfig` to reject and never invokes its `syncGroupMock`;
`group-sync.test.ts` imports `syncGroup` directly, bypassing `GroupService`; and
the startup guard asserts only the negative, that `sync.js` is absent at startup.
`tsc` catches a path typo, but nothing verified the import resolves and hands off
correctly — while every production `group_sync` call goes through that line.

No production change was needed; the reviewed design was sound. This is the
missing coverage.

The happy-path test mocks nothing: it points `GITNEXUS_HOME` at a pool temp dir,
seeds a real `group.yaml`, and calls `groupSync`, so `loadGroupConfig` resolves,
`groupDir` is found, and execution falls through into the REAL `syncGroup`. What
makes a real sync reachable with no indexed repo: an empty registry puts both
members in `missingRepos`, but one declared manifest link still yields
synthetic-UID contracts. It asserts the returned counts AND reads back the
`contracts.json` that real `syncGroup` wrote into `groupDir` via the production
`readContractRegistry`, which pins the option handoff too.

Two further tests use `vi.doMock` to re-evaluate the service against a `sync.js`
whose load throws: one asserts the call rejects with the load failure in its
`cause` chain — so the caller gets a catchable rejection, not a floating
unhandled one — and one asserts both pre-import guards still answer with
`sync.js` unloadable, which is also a structural pin that the module has no
STATIC import of it (a static one would throw at re-import, before any call).

Mutation proofs: pointing the specifier at `./sync-nope.js` turns 2 of 3 red
("Cannot find module .../sync-nope.js ... at GroupService.groupSync
service.ts:349"); aliasing a real-but-wrong export turns 1 red. Restored, all 3
green, and `service.ts` verified byte-identical to HEAD.

Out of scope, stated rather than glossed: the final `isError: true` MCP envelope
is produced above `GroupService` and needs a full `LocalBackend`; the rejection
test is the in-scope half of that claim.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(mcp): close the gaps a cleanup pass found in the #2802 review fixes

Quality pass over the review-response series (reuse / simplification /
efficiency / altitude). No behaviour change except where noted.

The two that mattered:

- **The cfg/emit fix had no guard.** `FORBIDDEN_RE` covers
  `core/ingestion/languages/` and `FORBIDDEN_GROUP_RE` covers
  `core/group/extractors/|tree-sitter`; neither matches `core/ingestion/cfg/`.
  Because `emit.ts` re-exports the constants, pointing `pdg-impact.ts` back at
  `cfg/emit.js` typechecks identically and silently restores all 7 modules.
  Verified: with the import reverted, `tsc --noEmit` still exits 0 and every
  test stayed green before this commit; after it, 3 rows go red naming the
  offenders. Written as an ALLOWLIST of genuine leaves rather than a denylist of
  the 7 already-suffered modules, because the next regression is a module nobody
  has thought of yet.

- **`FORBIDDEN_GROUP_RE`'s parser matcher was forward-slash only** while both
  sibling probe regexes spell the separator `[\\/]`. Native bindings arrive via
  the `require.cache` channel as absolute paths and `toRepoRelativePosix` only
  normalises paths inside the repo root, so a hoisted `node_modules` renders as
  `…\node_modules\tree-sitter\…` on Windows and matched nothing. The same series
  put this file on the Windows matrix, where that half of the assertion would
  have been vacuous.

Reuse — three re-implementations of existing helpers:

- `removeTempDirRecursive` re-rolled `fs.rmSync` retries; it now delegates to
  `cleanupTempDirSync` (`test-db.ts`), the repo's Windows-lock-aware remover.
  The copy had already drifted on both knobs that matter — 3 retries at 50 ms
  vs 5 at 100–400 ms, and warn-on-everything vs swallow-lock-codes-rethrow-rest
  — which is how one half of a suite goes green-with-a-warning on the same
  `EBUSY` the other half fails on. The per-directory try/warn loop, which is the
  actual fix, is unchanged.
- `errorChainText` re-rolled the cause-chain walk that `causeChain`
  (`src/lib/utils.ts`) exists to be the single copy of — its own doc asks
  callers not to.
- The SIGKILL escalation (a timer, an `unref`, and two `clearTimeout`s) is
  `spawn`'s own `killSignal` option, which Node's `timeout` already delivers.

Simplification and altitude:

- `'callee-ids-unrecorded'` documented ONE of its three producer paths. The
  unnamed common one is a call site that did not RESOLVE — exactly the
  receiver gaps this repo pins (#2807) — so on a real index the reason fires
  broadly, driven by resolution quality rather than a missing `--pdg` layer,
  and "re-run analyze --pdg" is the wrong remedy for it. Doc now names all
  three and states the consequence: `examinedComplete: true` is the strong,
  rare signal.
- The derived policy-entry list was re-pinned against a hand-written 3-element
  literal, reinstating one layer down the list the derivation removes. Now
  asserts the properties that are actually at risk — non-emptiness (a policy
  going silent) and `cli/mcp.js` staying excluded (a row that cannot fail).
- A test fixture spread `ascentBlockCell: 'idless'` and then overrode it to
  `'capped'` in both runs, so the id-less shape never reached the mock while
  reading as though it did.
- `idlessCallSites` is sticky, so its per-row string allocation now
  short-circuits once set.
- Dropped an unused `export` on `CleanupWarner`.

Refs #2802

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* revert(ci): unregister the module-load closure guards from the Windows matrix

Registering the three `dist/` closure guards in `SPAWN_CLI` turned the Windows
`platform-sensitive 1/3` shard red at the 20-minute watchdog. Baseline
83e8cf7c5 was green on all three shards; a4245119c (which added them) failed
1/3; d0b201442 failed the same way.

It is not the files themselves. On the Windows runner they are among the
cheapest in the suite — `registry-import-closure` 448 ms, `import-closure`
53 ms — and both passed. vitest shards this list by file COUNT, not runtime, so
adding three files RESHUFFLED the split: shard 1 went to 32 files against 26 and
29, concentrating the heavy CLI e2e suites. It timed out with `cli-e2e`,
`group/cross-trace-e2e`, `lbug-orphan-sidecar-recovery` and `server-http-startup`
still queued — `cli-e2e` being the ~50-spawn suite whose setup flakiness already
needed fixing once (PR #2000).

That clustering fragility is pre-existing and this file's own header documents
it (#2449: "the heaviest spawn suites can cluster on one shard", busiest Windows
shard already at 14m57s against the old watchdog). These three files only tipped
it over, and unblocking the PR beats holding it for a CI-infra fix that belongs
in its own change.

Reverted rather than worked around: raising the shard count would keep the
coverage but is a repo-wide CI change made on a 25-minute feedback loop with no
guarantee the reshuffle balances, and this PR is about MCP startup. The removed
entries are replaced by a comment recording WHY they are absent, what they were
measured to cost, and the precondition for re-landing them — so the gap is
documented at the point someone would otherwise re-add them blind.

Verified: the emitted file list is byte-identical to 83e8cf7c5's, so the shard
split returns to the configuration that was green.

The Windows-specific bug this series found is unaffected — `FORBIDDEN_GROUP_RE`
now spells its separator `[\\/]` like its siblings, which was a real
forward-slash-only vacuity, and that fix stays.

Refs #2802, #2449

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ci): shard the cross-platform matrix by measured weight, not file count

Restores the three `dist/` module-load closure guards to the Windows/macOS
matrix, and fixes the reason they could not stay there.

They must run on every OS — the shared probe in `test/helpers/module-load-probe.ts`
IS the platform-varying code (array-form `process.execPath` spawn, cleared
NODE_OPTIONS, `pathToFileURL` because Windows rejects a bare absolute path as an
ESM specifier, and a `path.sep`→POSIX normalisation the anchors and offender
regexes depend on). Ubuntu-only coverage of a platform guard is no coverage.

The earlier attempt turned Windows `platform-sensitive 1/3` red at the 20-minute
watchdog, and the reflex fix — unregistering them — treated the symptom. The
files are among the cheapest in the suite (measured 448 ms, 53 ms, sub-second,
and both that completed passed). The defect is that `run-cross-platform.ts`
handed vitest all 84 files plus `--shard=i/n`, and vitest partitions by file
COUNT. Runtimes here span three orders of magnitude, so a count-split is blind
to the thing that decides the budget, AND re-partitions on every insertion:
adding three free files reshuffled the list and happened to co-locate `cli-e2e`
(361 s) with `cli-limit-e2e` (75 s) and `analyze-heap-oom-e2e` (23 s) — 32 files
against 26 and 29 — which timed out with four still queued.

The split now happens in `scripts/cross-platform-shard.ts`, longest-processing-
time first over measured Windows runtimes, and only the chosen shard's files are
passed to vitest (`--shard` is consumed, never forwarded — forwarding would
re-partition the slice a second time and silently drop most of it).

Weights are measured, from the last green matrix run plus the timed files of the
failing one, and every file also carries an 8 s per-file floor. That floor is
calibrated, not guessed: the last green busiest shard ran 736 s of wall clock
over ~511 s of attributed file time. Without it the balancer isolates the two
monsters and then piles every light file onto the remaining shards — trading a
runtime imbalance for a count imbalance that costs the same.

Result at TOTAL=3, with the three guards back in: 521 s / 527 s / 519 s across
20 / 33 / 34 files. The previous green configuration's busiest shard was 736 s,
so this is better balanced than the state before any of this, and the busiest
shard is now bounded by construction rather than by sort-order luck.

`test/unit/cross-platform-shard.test.ts` pins the properties, and the
load-bearing one is not "the split is even" — it is "adding a cheap file cannot
move a heavy one", the property whose absence caused the outage. Two details in
that test are themselves load-bearing, and earlier drafts got both wrong and were
vacuous: the inserted names must sort EARLY (names sorting last disturb nothing
under any scheme) and the count must not be a multiple of the shard total
(adding exactly `total` files leaves an equal-weight round-robin in the same
rotation). Mutation-proved: replacing `weightOf` with a constant — i.e.
count-based sharding — turns that test and the per-file-floor test red; restored,
all 8 pass.

Refs #2802, #2449

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 21:26:13 +01:00
Gergő Magyar
7468cc915b
fix(analyze): replace the hand-incremented schema version with a derived DDL fingerprint (#2798) (#2808)
* feat(schema): derive a fingerprint from the DDL this build creates

`SCHEMA_FINGERPRINT` is a sha256 digest of the node and relation DDL that
`runSchemaCreationQueries` actually executes, in the same shape as the existing
`taintModelVersion` stamp (hex, sliced to 12).

It exists because `INCREMENTAL_SCHEMA_VERSION` is hand-picked and has to
*predict* whether an on-disk database matches this build's DDL. That number has
collided with `main` eight times, twice exactly — and an exact clash is the
quiet one, because the reuse gate is a strict `===`.

`EMBEDDING_SCHEMA` is deliberately excluded: its `FLOAT[N]` width comes from
`GITNEXUS_EMBEDDING_DIMS` at module load, so folding it in would make the
digest a function of the environment rather than of code, and two runs of the
same build under different env would thrash full rebuilds.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(storage): record the DDL fingerprint in RepoMeta

`RepoMeta.schemaFingerprint` stores the digest of the DDL an index's tables
were actually created from. It is the derived companion to `schemaVersion`,
not its replacement: both are compared, and both must match.

Absent means mismatch, deliberately. Grandfathering a missing fingerprint
would let an incremental top-up stamp a fresh one onto a database whose DDL
was never verified, permanently certifying exactly the wrong-shaped index the
field exists to catch. The cost is one full rebuild per pre-existing index.

The version ladder gains a note that its "re-check against origin/main before
merge" ritual now only guards *semantic* bumps. v25, v26, v30, v31 and v34 all
changed emitted ids, edges or wire formats while leaving the DDL byte-identical,
and the fingerprint cannot see any of them — but DDL collisions no longer need
renumbering.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(analyze): gate index reuse on the DDL fingerprint, not just the version (#2798)

`INCREMENTAL_SCHEMA_VERSION` is a hand-incremented integer that has to predict
a derived fact: whether the on-disk DDL matches the code's DDL. It has collided
with `main` eight times, and twice the collision was *exact*.

An exact clash is the silent one. Two builds stamp the same number over
different DDL, the `===` reuse gate reads the index as current, every
`CREATE ... TABLE` is then skipped as "already exists" (suppressed in
`runSchemaCreationQueries`), and the edges whose endpoint pair the live database
cannot hold are dropped by `fallbackRelationshipInserts`' bare `catch`. The
result is a wrong graph, with no error anywhere.

Reuse now requires the version AND the DDL fingerprint to match, in both the
pre-pipeline force-rebuild guard and the `isIncremental` predicate, and the
fingerprint is stamped alongside the version at the end of a run.

Both conditions are necessary. The fingerprint does not replace the integer:
most entries in the version ladder change emitted ids, edges or wire formats
while the DDL stays byte-identical, and a fingerprint-only gate would stop
forcing rebuilds for all of them. What it does buy is that two branches picking
the same number no longer need renumbering.

The new branch sits above the `alreadyUpToDate` fast path for the same reason
the version guard does — a clean tree at an unchanged commit would otherwise
early-return before either check ran.

Closes #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(analyze): pin the DDL fingerprint gate and its two failure cases

`schema-fingerprint.test.ts` pins the properties the gate rests on: the digest
covers exactly the node and relation DDL that gets executed (recomputed from
the exported lists, so adding a table or a FROM/TO pair without the fingerprint
moving is impossible), it excludes the environment-derived embedding DDL, and
it moves when any covered string moves.

The two `incremental-orchestration` cases exercise the production path rather
than modelling it: an index carrying the *current* version with a foreign
fingerprint, and one with no fingerprint at all. Both were run against the
pre-fix tree first and both failed there with `alreadyUpToDate === true` —
the fast path swallowing the mismatch, which is the #2798 symptom exactly.

`call-summary-schema-version.test.ts` widens its gate model to two equalities.
The second argument defaults to the current fingerprint so all 33 existing
version cases read unchanged, and a new case covers the collision, the legacy
absence, and the semantic bump the fingerprint cannot see.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(review-skill): point the schema-constant check at the fingerprint, not the deleted integer

All four `gitnexus-review` SKILL.md mirrors told reviewers to verify
`INCREMENTAL_SCHEMA_VERSION` "was bumped or regenerated". That constant no longer
exists, so the instruction sent every future reviewer looking for something they
could not find — and, worse, past its replacement.

The check for graph DDL is now derived: `SCHEMA_FINGERPRINT` moves on its own, so
the question is whether the diff changed a string in `NODE_SCHEMA_QUERIES` /
`REL_SCHEMA_QUERIES`, and whether a newly added DDL array was folded into the
fingerprint at all — the one way the derived gate can still be bypassed.

What did NOT change is called out explicitly: the parse-store `SCHEMA_BUMP` and
the bench fingerprint sets are still hand-maintained and still need the
re-check-against-base ritual, and semantic changes that leave the DDL untouched
fall outside the fingerprint entirely — those rely on the analyzer runner-identity
receipt.

Found by the review swarm's docs lane. The original plan for #2798 claimed no
documentation mentioned the constant; that sweep covered five root docs and never
looked at `.claude/skills/**` or the three mirrors.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(migration): record the one-time rebuild the fingerprint switch costs

Replacing `schemaVersion` with `schemaFingerprint` means every index written by
an earlier GitNexus carries no fingerprint, reads as a mismatch, and is rebuilt
once. That is deliberate — grandfathering absence would stamp a fresh fingerprint
onto a database whose DDL was never verified — but until now it was undocumented,
so a user's first post-upgrade analyze would announce a full re-analyze with
nothing to explain it.

MIGRATION.md already sets the precedent: PR #2363's meta.json → gitnexus.json
rename was equally automatic and equally in need of an entry. This follows that
shape, and is explicit about the parts that are easy to undersell:

- the cost is per INDEX, and branch-scoped slots (#2106) each pay separately;
  on a large repository a full re-analyze is substantial, not a blip;
- rollback is safe — an older binary sees no `schemaVersion` and forces its own
  rebuild, which is a cost, never a stale graph;
- alternating between an old and a new binary rebuilds on every switch, because
  the end-of-run meta is written as a fresh literal so neither field survives the
  other's run.

The retired ladder's per-version rationale is pointed at in git history rather
than reproduced: `git show 561f913a3:.../repo-manager.ts`. That commit is an
ancestor of origin/main, so the pointer survives this branch being squash-merged.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(identity): cover workspace-linked packages in the analyzer dependency digest

`dependencyNames` enumerated `dependencies`, `optionalDependencies` and
`peerDependencies` only. `gitnexus-shared` is declared as a devDependency
(`file:../gitnexus-shared`), and in a source-mode run the build root is the
gitnexus package tree, which does not contain that sibling. So a change to
gitnexus-shared moved neither `build.digest` nor `dependencyRuntime.digest`.

That gap matters more since #2798 deleted `INCREMENTAL_SCHEMA_VERSION`. A
DDL-affecting edit there is still caught by `SCHEMA_FINGERPRINT`, but a
SEMANTIC-only edit — a new `REL_TYPES` member, say, where the relation table
carries a bare `type STRING` column so no CREATE statement moves — was covered by
nothing at all. Roughly thirty of the retired ladder's entries were exactly that
change class, and the runner-identity receipt is what now carries them.

Only checkout-local specifiers are added: `file:`, `link:`, `workspace:`,
`portal:` and npm's bare local-path shorthands. Pulling in every devDependency
was rejected — vitest, eslint and typescript would enter the digest and force a
full re-analyze on unrelated tool bumps, which is worse than the hole.

Scanning the linked sibling for the first time exposed a latent throw:
`collectArtifacts` honoured `PRUNED_RUNTIME_DIRECTORIES` only for a real
directory, so a SYMLINKED `node_modules` fell through to the payload branch and
died with "Analyzer identity input is not a file". Worktree-style dev layouts and
pnpm shared stores hit this immediately — verified in this worktree, where
`gitnexus-shared/node_modules` is such a symlink. Pruning it loses nothing:
packages beneath are still reached through `resolveDependencyPackageRoot`.

Verified: a real `analyze` in this worktree succeeds with `packageCount` 259;
editing the linked package's source moves the digest, bumping an installed
registry devDependency does not, and removing the link moves it.
`DEPENDENCY_RUNTIME_CANONICALIZATION` is deliberately not bumped — freshness
compares digests, not the label, and the input-set change already moves them.

Follow-up worth having: no fixture in the suite declares `devDependencies`, so
this has no regression test yet.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(analyze)!: delete INCREMENTAL_SCHEMA_VERSION, gate reuse on the DDL fingerprint alone

The integer and its ~180-line version ladder are gone, along with
`RepoMeta.schemaVersion`. Index reuse is now decided solely by
`SCHEMA_FINGERPRINT`; a mismatch — including the absent stamp every pre-existing
index carries — warns and forces a full re-analyze, which wipes and recreates the
database so the tables are built from the current DDL.

Deleting the integer is safe because it was already redundant: the
runner-identity guard deep-compares the whole schema-v4 receipt, including a
digest over the build tree, and forces a rebuild on ANY analyzer delta. Verified
empirically — a comment-only edit to logger.ts, with the fingerprint byte
identical, produced "runner identity changed ... forcing a full rebuild".

The fingerprint is not thereby redundant. It fires where that guard cannot: a
DDL-affecting change in `gitnexus-shared`, which is a workspace-linked
devDependency and so sat outside both digests until the companion commit closed
that gap.

Review findings folded in, each correcting a line this rewrite itself introduced
and never published:

- B1: two assertions matched a log string the rewrite had renamed; both tests
  failed. They now assert what production emits.
- B2: the pre-existing downgrade test perturbed `schemaVersion: 7`, a field this
  change deletes, so the spread carried a valid fingerprint, every guard passed,
  and the run legitimately took the fast path. It perturbs the fingerprint now,
  restoring the only integration coverage of the gate-above-the-fast-path
  ordering invariant.
- N5: duplicate `schemaFingerprint` keys silently collapsed two assertions into
  one (TS1117).
- N6: the absent-stamp message told non-git repositories their index was "built
  by an older GitNexus version" — on every run, about an index this exact build
  had just written. Non-git repos never record a fingerprint, and now the message
  says so.
- N9: the on-disk stamp is shape-checked before being echoed, so a crafted
  gitnexus.json cannot push ANSI escapes through the CLI log.
- N7: a test case that re-computed the same digest expression with its operands
  swapped, mislabelled as a randomness check on a module-level const.
- N10: comments claiming the digest "cannot collide" (it is 48 bits), pointing at
  a vector-column gate that does not exist, and asserting storage/ is free of a
  core/ dependency two lines below a core/ value import.

None of these were caught by `tsc -p tsconfig.json`, which covers src only, nor
by eslint, where no-dupe-keys is off. `tsconfig.test.json` reports all three test
defects and is not currently wired into CI.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(schema): pin that the fingerprint covers every DDL statement init executes

`SCHEMA_QUERIES` is the list `runSchemaCreationQueries` iterates — the DDL that
actually runs. The fingerprint hashes only two of its three members, and until
now no test imported `SCHEMA_QUERIES` at all, so nothing tied the two together.

A fourth member appended to that array — the one literally named for what init
executes — would have been invisible to the gate. Every existing test would still
pass, because they all recompute the digest from the same two arrays the
fingerprint already uses. An index whose gate passed would then run `initLbug`
over the old database, where `runSchemaCreationQueries` suppresses "already
exists", so the new table would never be created and its edges would be dropped
by `fallbackRelationshipInserts`' bare catch. A wrong graph, no error — exactly
the failure #2798 exists to end.

The check is a pure predicate over (executed, fingerprinted, documented
exclusions) rather than a positional `toEqual`, so `EMBEDDING_SCHEMA` is named as
an exclusion with its reason — its FLOAT[N] width is environment-derived — rather
than sitting in a list where a future reader might "fix" it by folding it in. It
asserts both directions and is order-insensitive, leaving ordering to the digest
assertion that already pins it.

The negative case is pinned in CI rather than checked by hand once: the same
predicate over a synthetic fourth member must report it. If a refactor ever makes
the predicate vacuous, that case fails even though the positive one would not.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(analyze): name the invariant the version deletion now rests on

Deleting `INCREMENTAL_SCHEMA_VERSION` moved a load-bearing guarantee into an
implicit one. Roughly thirty of the retired ladder's entries changed no DDL at
all — node ids, wire formats, resolution tiers — and the fingerprint is
structurally incapable of firing on any of them. Their only remaining cover is
the analyzer runner-identity receipt, and nothing in the suite said so.

This adds a table over the real `analyzerRunnerIdentitiesEqual` with a
well-formed schema-v4 receipt: byte-identical reuses; an entrypoint-only
difference reuses (CLI vs analyze worker); a moved build digest with unchanged
DDL forces — that case IS the invariant, commented as such; and a dependency
change, an ABI change, undefined, null, a schema-v3 legacy receipt, a missing
build section and a non-sha256 digest all fail closed.

The deleted `expect(INCREMENTAL_SCHEMA_VERSION).toBe(35)` pin is also worth
naming: it failed CI on every bump by design, which is what made an author stop
and think. Nothing replaced it. This does not restore that — a digest has no
literal to pin — but it does make the mechanism that took over the job visible to
the next person who reads the file.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(spring): pin CLASS_SCHEMA's membership in the fingerprinted DDL set

When `INCREMENTAL_SCHEMA_VERSION` went away, its sibling in
basicblock-callee-ids-schema.test.ts got a replacement assertion tying
BASICBLOCK_SCHEMA to the fingerprint's input set. This file's
`>= 23` floor was deleted with nothing put in its place.

The file still asserts CLASS_SCHEMA's CONTENT — that the `frameworkAnnotations`
column exists — but not that CLASS_SCHEMA is part of what the digest covers, and
the second is what makes an index built before that column carry a different
fingerprint and get rebuilt. Mirrors the sibling so the two read the same way.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(identity): stop a symlinked directory from aborting the whole analyze

`collectArtifacts` fused two orthogonal facts into one condition: that four
directory names never carry runtime payload, and that a symlink where a real
directory was assumed falls through to the payload branch, where
`snapshotReadableFile` stats the target, sees a directory, and throws
"Analyzer identity input is not a file".

The second was only fixed for those four names. Every other symlinked directory
in a scanned package root still aborted the run — `dist -> build`, a vendored
grammar link, anything inside a linked sibling checkout. Newly reachable,
because making workspace-linked packages scannable pointed the scanner at a live
checkout instead of an immutable registry tarball for the first time.

Split along the actual seam: prune on the NAME alone, and give symlinks their own
branch in the type dispatch, ahead of the payload branch.

Link text is recorded rather than followed. Following was rejected on three
grounds, each checked in source: the traversal is a stack with no visited set, so
a self-referential link would recurse to `runtimeDepth` — which throws, trading
one hard abort for another; `snapshotDirectory` rejects a symlink outright, so
the directory guard could not accept one without a realpath rewrite of its
canonical-path identity; and a link into an already-scanned tree double-counts
against `runtimeEntries`/`runtimeBytes`, which also throw. The cost is stated in
code: a link out of the package contributes its text, not its target's content.
Links resolving to a regular file keep the existing content digest.

The new `'unfollowed-symlink'` kind is threaded through every consumer, including
the cache validator — which re-probes with `mode: 'link'`, since the readable-file
probe resolves the target and would return null for exactly this kind, silently
failing every warm validation.

No canonicalization or cache-schema bump. Digest content changes only for trees
that previously crashed: a delta scan over all 258 scanned roots of this install
found no regular file bearing a pruned name and no symlink failing to resolve to
a file, so `dependencyRuntime.digest` is byte-identical here.

Six of the eight new tests fail against the unfixed tree with the exact production
error; all eight pass after.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(analyze): give the reuse gate a real seam and sanitize logs at the funnel

Cleanup pass over the #2798 branch. Net -183 lines.

The gate had no extracted predicate, so its own test asserted it by regex-matching
run-analyze.ts SOURCE TEXT. That pinned production formatting: one pattern froze
three back-to-back single-name imports from './lbug/schema.js', so merging them —
the obvious tidy-up — failed a test named "still imports the DDL digest itself".

`schemaFingerprintMismatch` and `isSchemaFingerprintShaped` now live in
core/lbug/schema.ts beside the constant. Not in run-analyze.ts next to
`pdgModeMismatch`, because storage/ must stay off the analyze pipeline and
mcp/resources.ts is a plausible second consumer — the same reasoning that puts
`cjkSegmentationModeMismatch` in core/search/. The regex block is gone; the test
calls the predicate. The three imports are merged.

ANSI sanitation moved from one field to the funnel. The per-field guard's own
comment stated the general hazard — gitnexus.json is parsed with no runtime shape
validation and the notice reaches console.log — while two sibling guards twelve
lines away echoed `runnerIdentity.schemaVersion` and `cjkSegmentation` from that
same file raw into the same log. `log()` now strips C0/C1 controls, covering all
seven guard messages and any written later.

Also:
- Deleted a duplicate integration test. After the downgrade test was repointed at
  `schemaFingerprint` it became the same scenario as the new one, differing only
  by an extra log assertion — which is now folded into the survivor. Saves a
  fixture and two full pipeline runs per CI pass.
- Replaced a 3-parameter set-difference helper with one set equality. Its doc was
  false at one call site (arguments semantically swapped) and it needed a fourth
  test purely to prove itself non-vacuous; set equality cannot go vacuous.
- Removed ~115 lines of runner-identity table that duplicated
  analyzer-identity.test.ts. The three genuinely uncovered cases moved there, and
  the #2798 invariant — build digest moved while the DDL did not — now asserts
  against a REAL analyzer-build-tree edit rather than a hand-built literal, which
  is strictly stronger than what it replaces.
- MIGRATION.md quoted a log line the code cannot emit; it was written before the
  placeholder changed.
- Restored the rationale on the `capabilities` docstring, which a previous pass
  replaced with its consequence — leaving a maintainer reading "duplicated by
  hand" as a wart to fix by importing, which is what the original forbade.
- Marked the `isIncremental` conjunct as belt-and-braces: `!options.force`
  short-circuits before it, so it cannot decide anything.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(analyze): force a rebuild when the vector column width changes

`CodeEmbedding.embedding` is declared `FLOAT[EMBEDDING_DIMS]`, resolved from
`GITNEXUS_EMBEDDING_DIMS` at module load. Nothing gated it. Flip the variable on
a same-commit clean tree and no guard fired at all: `alreadyUpToDate` returned
over a `FLOAT[384]` table while the process embedded at 768. The only reaction
anywhere discards the embedding CACHE and re-embeds — into a column whose type it
never revisits.

This predates #2798; `INCREMENTAL_SCHEMA_VERSION` never covered dims either. It
surfaced because the fingerprint work had to reason about why `EMBEDDING_SCHEMA`
must stay OUT of the digest: its width is environment-derived, so folding it in
would make the same build disagree with itself and thrash rebuilds. That
exclusion is correct, and it leaves the width needing its own guard.

Modelled on `cjkSegmentation`, the closest sibling: an env-resolved scalar
stamped at write time and compared by a small exported predicate that forces on
mismatch. `embeddingDimsMismatch` sits in core/lbug/schema.ts beside
`EMBEDDING_DIMS`, so the query side can adopt it without importing the analyze
pipeline — mcp/local/local-backend.ts already warns on a cjkSegmentation
disagreement and has the identical claim here, since the query path embeds at the
live width against a table of unknown width with no validation at all today.

ABSENCE IS NOT A MISMATCH, deliberately. Forcing on it would be dead code:
`embeddingDims` and `schemaFingerprint` ship together, and a missing fingerprint
already forces exactly one rebuild — which is where this stamp lands. Absence
also carries no signal here, unlike the fingerprint: a missing fingerprint means
"DDL this build cannot vouch for" and ships WITH a DDL change, whereas a missing
dims stamp means only "written before the field existed", and that run's table
agreed with that run's width. Drift requires the env to change, which absence
says nothing about. The `cjkSegmentation` trick of folding absence into the
default was unavailable — there is no width that is safe to assume for an
existing table — so the stamp is instead written unconditionally, giving absence
exactly one meaning. Malformed values are not grandfathered: null, '384', NaN and
objects all read as a mismatch and err toward a rebuild.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(mcp): warn when the served index's vector width differs from the query embedder's

The analyze side now forces a rebuild when the vector column width changes. The
query side had no equivalent: a serving process embeds a query at its own width
and searches a table whose width was fixed when the index was built. Disagree and
the user gets wrong or missing semantic results with nothing explaining why.

Mirrors the cjkSegmentation drift warning immediately above it — same warnings[]
array, same per-query recomputation, agent-visible in the tool response, and it
warns rather than refuses. A width mismatch degrades the semantic lane only;
keyword results are unaffected, so `partial` is deliberately not set.

Compares against `getEmbeddingDims()` — the width the query embedder actually
produces — NOT schema.ts's `EMBEDDING_DIMS`. The two diverge exactly when
GITNEXUS_EMBEDDING_DIMS is set on a server that embeds LOCALLY: the query path
ignores that variable and embeds at 384, so comparing against the env-derived
constant would report drift on a lane that works fine. The recorded width is what
the vector CAST actually binds.

`embeddingDimsMismatch` is imported from core/lbug/schema.js rather than
restated, so "absent is not a mismatch" cannot drift between the analyze and
query sides. That predicate was placed in schema.ts precisely so this consumer
could reach it without importing the analyze pipeline.

Two gates keep it quiet when it would be noise: it fires only for a repo where
this process actually produced a query vector, so an index analyzed without
--embeddings (or a server whose embedder is unavailable) never carries it. An
untrusted recorded value — meta.json is schema-less JSON — is reported as "an
unrecognized width" rather than echoed.

`loadMeta` is hoisted out of the neighbouring try so both diagnostics share one
read and an invalid GITNEXUS_FTS_CJK_SEGMENTATION cannot take this one down with
it.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(identity): detect an npm-linked dev dependency the specifier cannot see

`isLocallyLinkedSpecifier` admits a devDependency whose SPECIFIER is
checkout-local. `npm link <pkg>` leaves the specifier a registry range while the
node_modules entry symlinks to a checkout — locally linked, invisible to a
specifier check, so a semantic-only edit there still moves neither digest.

The obvious placement is unaffordable, measured rather than assumed: probing
every dev-only name inside collectRuntimePackages costs 1998 resolutions, not
the ~8 it looks like, because dependencyNames runs for every package in the BFS
and published tarballs retain their devDependencies. Persisted path guards go
2221 -> 11050 (+398%), and every guard is re-probed on each warm validation —
the path `status` takes.

Scoped to the root package instead. The declared-intent half is untouched and
still enumerated everywhere: it alone can emit the `<missing>` edge for a
declared link whose checkout is absent, where resolution returns null and cannot
distinguish that from an uninstalled dev tool. The new resolved-location half
runs only when `parent.root === packageRoot`, resolves through the existing
resolver so its path guards are recorded, and admits a name iff the realpath'd
root carries no node_modules segment.

Bounded against mis-fire by EXPANSION. "Not under node_modules" is a proxy for
"checkout-local"; under a relocated pnpm virtual store every dev dep passes it
and the whole dev tree folds into the receipt — against limits that THROW, so a
legitimate install would abort. Measured here: uncapped, that shape takes
259 -> 347 packages and 2250 -> 3786 guards. The cap admits at most four and
DROPS THE WHOLE CHANNEL on overflow rather than an arbitrary prefix, because the
abort comes from the transitive payload of whichever trees get folded in — four
of a mis-fired thirteen is still unbounded, and a sorted-prefix receipt would be
arbitrary. Overflow falls back to the specifier-only receipt that ships today.

Cost on this install: 259 packages unchanged, 13 dev names resolved, guards
2221 -> 2250 (+29, +1.3%). Verified against the real implementation, not just a
replay: validation guards 16295 -> 16324, packageCount and artifactCount
unchanged, and `dependencyRuntime.digest` byte-identical — so this forces no
re-analysis for anyone.

Each test fails on the defect it targets: disabling the channel kills the
npm-link and cap cases; dropping the root-only scope makes the differential
guard-count case fail at 2.8x guards; removing the specifier half kills the
`<missing>` case.

Refs #2798

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 15:04:30 +01:00
Gergő Magyar
561f913a32
fix(embeddings): retry unparseable 200 responses and survive partial embedding failures (#2790) (#2795)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Skill copy sync / shipped skills drift guard (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
* fix(embeddings): retry unparseable 200 responses and survive partial embedding failures (#2790)

A long-running embedding job against an OpenAI-compatible endpoint could lose
hours of work to a single transient glitch, then refuse to recover on the next
run. Four defects compounded:

1. An HTTP 200 carrying a truncated or non-JSON body was never retried.
   `classifyOutcome` treats any 2xx as success, and the `resp.json()` parse ran
   after `resilientFetch` had already returned, so the parse failure surfaced as
   a terminal error. Measured: a 503 got 3 attempts, a garbage 200 got 1.

   The parse and the response-shape check now run inside the `fetchImpl`
   callback, so a bad body is classified as a retryable failure and gets the
   same backoff as a 5xx. This also stops a garbage 200 from calling the circuit
   breaker's `recordSuccess()`, which previously erased accumulated failures and
   meant an endpoint alternating 5xx and garbage-200 could never trip it.

2. One failed `embedBatch` sub-batch aborted the entire pipeline. Failures are
   now tolerated: the sub-batch's node ids are collected and all of their
   embedding rows are deleted, so those nodes hold zero rows and are re-embedded
   later. Deleting rather than keeping partial rows is deliberate — chunk arrays
   are flat over a 16-node batch and sliced by 8, so a node's chunks can straddle
   a sub-batch boundary, and surviving rows carry the current content hash. The
   hash maps collapse per-chunk rows last-row-wins, so a partially embedded node
   would read as fresh forever and never regenerate its missing chunks.

   A run that fails 5 sub-batches in a row still aborts, and rethrows the first
   error of the streak rather than the last: after 3 failures the circuit breaker
   opens, so later errors degrade into "circuit open, retry in 30s" while the
   first still names the real defect.

3. The Phase 5 `embeddingCount === 0` fail-fast could not tell "wrote nothing"
   from "could not ask" — the count query's catch was silent. The count is now
   tri-state and only a known zero after real work is fatal. A non-numeric count
   previously bypassed the gate entirely, because `Number()` returns NaN and
   `NaN === 0` is false, and then serialized as `embeddings: null`. An unverified
   count no longer certifies `capabilities.vectorSearch.status`.

4. `saveEmbeddingCheckpoint` wrote a completion-shaped meta: it advanced
   `lastCommit`, wrote the new `fileHashes` and cleared `incrementalInProgress`.
   The first checkpoint window fires before a single embedding exists, and on a
   full rebuild the graph is still in a staging database that a crash discards.
   The next run then diffed against the advanced hashes, saw no changes and
   preserved the old graph — the "skipping wipe" symptom in the report. It now
   re-reads meta and replaces only the checkpoint, matching what the server
   endpoint already did.

A partially failed run keeps its checkpoint with the failed ids in
`pendingNodeIds`, so the next plain `analyze` regenerates them through the
existing resume path. Clearing it would have been silent data loss: a plain run
derives `shouldGenerateEmbeddings: false` once embeddings exist, so the pipeline
would never have run again. The old crash-and-abort self-healed only by accident,
via the checkpoint its crash left behind. `gitnexus status` reports the index
incomplete until the nodes recover, and `--drop-embeddings` still abandons them.

`POST /api/embed` is the pipeline's other caller and was discarding the result,
reporting "Embeddings complete" for a partial run. It now persists the pending
ids and reports the run as failed with the underlying endpoint error.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(embeddings): abort a run whose sub-batch failure ratio is too high (#2790)

The consecutive-failure ceiling only catches a total outage, because any
successful sub-batch resets it. An endpoint under load shedding that alternates
success and failure never trips it, so the run walks the whole corpus, deletes
every failed node's rows and exits 0 having dropped a large fraction of the
index. The retained checkpoint made that visible in `gitnexus status`, but a run
that drops a quarter of the corpus should tell the operator to fix their
endpoint, not leave them to notice a status flag.

Adds a cumulative guard: abort once more than 25% of attempted sub-batches have
failed, evaluated as the run progresses and gated behind a floor of 20 attempted
sub-batches. The shape follows Resilience4j's circuit breaker (failure rate plus
a minimum-sample floor) because it is the only one of the surveyed designs that
answers the small-repo case — a three node repo can fail one sub-batch and never
accumulate enough sample for a ratio to mean anything. The rate sits below a live
traffic breaker's 50% because a batch indexer's job is to index the whole corpus
rather than serve degraded traffic, and above Hadoop's single-digit
`failures.maxpercent` because tolerating transient hiccups is the point of the
change this follows.

The guard reuses the existing break-then-cleanup path, so the failed batch's
DELETE still runs before the rethrow, and it wraps the retained first-error-of-
streak rather than inventing a new one, so the message names both the ratio and
the underlying endpoint failure.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(server): record the embedding count after /api/embed so the next analyze cannot wipe it

`POST /api/embed` generated embeddings and wrote them to the database but never
wrote `stats.embeddings` into meta.json. Its checkpoint writer replaced only
`embeddingCheckpoint`, and the finalize write folded in nothing else.

So a repo embedded purely through the server kept whatever count the last CLI
`analyze` stamped, which is 0 for a repo analyzed without embeddings. The next
CLI run read `existingEmbeddingCount = 0`, `deriveEmbeddingMode` returned
`shouldLoadCache: false`, and `gitnexus analyze --force` wiped the database with
no cache load. Every server generated embedding was silently destroyed, with no
warning — the user just lost semantic search.

The route now measures the live count with the same query the CLI uses and folds
it into both meta writes. The measurement is tri-state and deliberately never
falls back to 0: an unverified count is written as absent rather than as zero,
because a wrong-low value is exactly what arms the wipe. It is taken after
`flushWAL()` and inside `withLbugDb`, so it describes durable rows and the
connection is still open. A partial run records its honest count too, alongside
the retained checkpoint, so the next CLI run preserves the partial index instead
of discarding it.

Found while working #2790; not part of that issue.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(embeddings): retry short 200 bodies and stop laundering body-phase timeouts

Two gaps in the #2790 retry fix, both found by review.

A 200 carrying `{"data": []}` or fewer vectors than inputs passed the
in-`fetchImpl` shape check, because `every(isEmbeddingItem)` is vacuously true
for an empty array. `resilientFetch` then classified it `success` and called
`recordSuccess()`, erasing the outage signal, and the cardinality check in
`httpEmbed` threw terminally one attempt later. That is exactly the pair of
properties #2790 was filed about, still broken for this body shape — and worse
than before the fix, since the pipeline now tolerates the error by deleting
those nodes' rows instead of aborting loudly. The count check moves inside the
retried callback; the outer one stays as a backstop.

The `.json()` catch also swallowed every rejection, not just parse errors.
`AbortSignal.any([caller, timeout])` is wired to the body stream, so a stalled
body rejects with a DOMException — which, wrapped in a plain Error, defeated
`classifyOutcome`'s terminal-network test. Measured: the same TimeoutError got
3 attempts and "unparseable response" when raised during the body read, but 1
attempt and "timed out after 180000ms" when raised by fetch itself, and three
such sub-batches opened the process-global breaker that `recordNeutral()`
exists to protect. Abort-like DOMExceptions are now re-raised unchanged.

The dimension check stays outside the loop deliberately: it validates against
`config.dimensions ?? DEFAULT_DIMS`, not the request-dimensions argument, and a
width mismatch is a configuration error where retrying only triples latency and
books failures against a healthy endpoint.

Adds the negative assertion the review found missing: response body text must
never reach the user-facing error string.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(embeddings): scale the sub-batch failure-ratio floor to the run

The cumulative guard needed 20 attempted sub-batches before a failure rate could
abort anything — roughly 160 chunks, or ~80 embeddable nodes at the default
subBatchSize of 8. A 50-node repo whose endpoint sheds every other sub-batch
fails half of them and still exits 0: the ratio guard is below its floor, and
every intervening success resets the consecutive ceiling.

The floor was a good choice for a first run over a small repo, where one failure
out of one sub-batch is 100% and means nothing. The defect is that every resume
run has that shape by construction — its node set is only the pending ids — so
the guard was structurally off in the one run whose entire purpose is retrying
against the endpoint that already failed.

The floor is now sized to the run: clamp(ceil(totalNodes / 16), 5, 20). The
lower bound keeps the case the flat floor protected; the upper bound preserves
today's behavior above 320 nodes and avoids a proportional-only floor perversely
weakening the guard at scale, where a sixteenth of a 20k-node repo would be 1250
sub-batches of damage before a rate could fire. Resilience4j can use a constant
minimumNumberOfCalls because a breaker sits on an unbounded call stream; a batch
indexer has a finite budget, so a constant can exceed the whole run.

The ratio is still evaluated only inside the catch. That is already its local
maximum — both counters have just incremented — so sampling more often would
only ever observe lower ratios.

Also: a failing cleanup DELETE no longer swallows the abort, which was
discarding the retained first-error-of-the-streak that names the real endpoint
fault; `ceilingError` is renamed `abortError` since it carries the ratio abort
too; and three `{ error }` log keys become `{ err }` (#2114 — an arbitrary key
serializes to `{}`, losing message and stack).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(analyze): one tri-state embedding counter, and stop partial runs wedging later runs

The tri-state count doctrine this branch introduced was applied at two of its
three CLI sites, and the two implementations that were meant to mirror each
other had already drifted.

`measurePersistedEmbeddingCount` moves to `core/embedding-count.ts` — beside
`embedding-mode.ts`, with the same no-native-imports property, and outside
`core/embeddings/` so the lazy-embeddings convention (#2370) still holds. All
three call sites now share it.

  - The mid-run `onCheckpoint` counter ran the query bare. A throw there — DB
    busy, connection closed, read-only, the VECTOR DML lock (#2623) — rejected
    the callback out of `runEmbeddingPipeline` and killed the analyze before
    Phase 5 could apply the tri-state that exists for exactly this case. A
    non-numeric cell wrote `stats.embeddings: null` to disk mid-run.
  - Phase 5 used `?? 0` while the server used `?? Number.NaN`, under a comment
    asserting both measured the field the same way. `Number.isFinite(0)` is
    true, so a no-row answer became a *measured* zero and hard-failed a run
    whose embeddings had all persisted.
  - The unknown-count fallback read `existingMeta`, assigned once at run start,
    so it republished the pre-run figure over the fresher count the terminal
    checkpoint had already written. With a prior count of 0 that armed the wipe
    chain: hasExisting false, shouldLoadCache false, and the next --force
    discards live embeddings. It now re-reads the latest on-disk meta, and an
    unverifiable count retains a recovery marker instead of clearing it.

A completed-but-partial run also planted a landmine. Its checkpoint is stamped
with the run's embedding identity, so a later plain `gitnexus analyze` from a
hook, a CI job, or a shell without GITNEXUS_EMBEDDING_URL resolved provider
'local' and threw before any phase ran — after an exit-0 run, where previously
only a visible crash left that state. `--force` did not help: the resume gate
inspected only `--drop-embeddings`.

`RepoMeta.embeddingCheckpoint` gains `kind` to tell the two situations apart.
An 'interrupted' marker (or one with no kind, so markers already on disk keep
the stricter path) still fails closed — its nodes may be half-written, and
resuming under a foreign model would mix vector spaces. A 'partial' marker
names nodes the pipeline already deleted to zero rows, so nothing is at risk: an
identity mismatch drops the pending set with a warning and continues. `--force`
now discards a checkpoint, and `attempts` bounds the retry at
EMBEDDING_RESUME_MAX_ATTEMPTS (3, matching the HTTP embedder's and the WAL
driver's existing per-operation budgets) so a node the endpoint deterministically
rejects converges instead of keeping the repo incomplete forever.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(server): close the SSE stream on terminal job status, not a progress phase

A tolerated partial run reached SSE clients as a clean success — a regression in
this branch's own claim that /api/embed reports a partial run as failed.

The pipeline emits `phase:'ready'` unconditionally before returning, including
when it dropped nodes. The route mapped that to `'complete'`, and
`mountSSEProgress` treated a terminal-looking *progress phase* as terminal:
write the event, `res.end()`, `unsubscribe()`. The route's own
`updateJob({status:'failed'})` then fired into a stream with no listener, and
the web app had already shown "ready". Before this branch the pipeline threw,
which produced `phase:'error'` and did reach the client. Pollers on
GET /api/embed/:jobId were unaffected, so the two consumers disagreed.

Terminality is a property of the job, so the relay now asks the job. Remapping
`ready` alone would have left the trap armed: the `error -> 'failed'` mapping
has the identical shape and would emit `event: failed` with `error: undefined`
before the catch block fills the message in. `ready` is additionally remapped to
`finalizing` so a poller no longer sees `status:'analyzing'` next to
`progress.phase:'complete'`. The single-terminal-event property (#2264) is
preserved on both the clean and partial paths, and /api/analyze is unaffected —
its terminal progress phase is 'done', never 'complete'.

`AnalyzeJob` gains an optional `partial` payload so a client can tell a partial
run from a total failure without a new status member; it is absent on every
other job, so existing payloads stay byte-identical. Consuming it in
gitnexus-web is left to that app's owner — today it renders both as the same
red retry chip.

`resolveEmbedRunOutcome` moves to `embed-run-outcome.ts` and `mountSSEProgress`
to `sse-progress.ts`, both free of Express/LadybugDB/MCP imports, and the local
count copy is replaced by the shared `core/embedding-count.ts`. Reaching three
pure functions previously meant importing the whole server: measured at ~20s
against a 30s test timeout, with one observed timeout failure. That file is now
1.6s.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs: document the partial embedding index and its recovery

A run can now finish exit 0 with a partial embedding index, which neither
operator doc described.

GUARDRAILS' "Embeddings vanished after analyze" Sign keys its trigger on
`stats.embeddings` being 0 and lists "the only ways to end up at zero". A
partial run stamps an honest non-zero count and sets `embeddingCheckpoint`, so
the operator's actual symptom is `incompleteReasons:
["embedding-checkpoint-pending"]` — a state that Sign cannot match. Adds a Sign
for it and drops the exhaustive framing from the existing one.

RUNBOOK gains the recovery path: a plain `gitnexus analyze` is correct and needs
no flag, because a retained checkpoint forces generation for the pending nodes
regardless of flags. Also corrects two stale claims — that `stats.embeddings` is
always freshly measured (it can carry forward when the count query cannot
answer, which is why `capabilities.vectorSearch.status` is the certified read),
and that later analyzes must always pass `--embeddings` or lose their vectors,
which contradicts Non-negotiable 5.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(embeddings): one owner for the checkpoint record and the abort predicate

Cleanup pass over the #2790 review fixes. No behavior change except where
noted; the two exceptions are both cases where the code was lying to the
operator or to the other half of itself.

The previous pass extracted `core/embedding-count.ts` because two hand-copied
bodies of "measure the embedding count" had drifted inside a single change. It
then created a second pair of hand-copied publishers — of
`RepoMeta.embeddingCheckpoint` — and those had drifted too: the CLI armed the
attempt counter only after clearing its identity gate, the server derived it
from the resumed marker alone. Only one of the two READERS implemented `kind`
at all, so a 'partial' marker written by `gitnexus analyze` and resumed through
POST /api/embed still hit the permanent wedge `kind` exists to remove.

`core/embedding-checkpoint.ts` now owns the record: `checkpointKind` (the one
home for absent-means-interrupted), the three minters, `nextAttemptCount`, and
`decideEmbeddingResume`, which both gates route through. Five mint sites and
two resume gates become one implementation each.

`resilient-fetch.ts` exports `isTerminalNetworkError` and `classifyOutcome`
calls it, replacing a caller-side copy of the same DOMException test whose
docstring promised it "mirrors classifyOutcome exactly" — an invariant enforced
by prose, where a divergence silently reverts body-phase timeouts to being
retried three times and charged to the shared breaker.

The ratio-guard floor now divides by the run's actual `subBatchSize` instead of
a constant 16 that assumed the default of 8. At `subBatchSize: 32` the old
formula demanded more sub-batches than the run contains, leaving the guard
structurally off — the exact failure the scaled floor was introduced to fix,
and sub-batch size is tuned mainly for the flaky endpoints it protects.

Two operator-facing corrections:

  - The count-recovery marker was stamped `kind: 'partial'` with an empty
    pending set, so `gitnexus status` reported "N node(s) lost their embeddings"
    where N is zero. It gets its own kind and its own incomplete reason.
  - `decideEmbeddingResume` initially keyed its skip-the-identity-gate branch on
    an empty pending set, assuming that meant the count-recovery marker. It does
    not: `onCheckpoint` mints an 'interrupted' marker with no pending nodes
    after every post-window save. That silently cleared an interrupted marker
    under a foreign provider instead of failing closed. Keyed on `kind` now,
    with a regression test.

Also: `isTerminalJobStatus` adopted at the seven sites that still hand-copied
it, including the one gating the single-terminal-event emit; `mountSSEProgress`
re-export dropped and `server-sse-payload.test.ts` repointed at the extracted
module, which takes it from 24.60s to 0.408s — the test that motivated the
extraction was still paying the cost it was meant to remove; the count-mismatch
message and the SSE test harness deduplicated; per-batch error strings made
lazy (~75k needless `new URL()` per large run); `retryable: true` dropped as a
field that can never be false; ~110 lines of restated rationale reduced to
pointers at their canonical home.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 20:43:59 +00:00
azizur100389
797e4ef8f6
fix(ai-context): document CLI graph fallbacks (#2803)
* fix(ai-context): document CLI graph fallbacks

Teach generated GitNexus guidance to pair mandatory MCP graph checks with repo-scoped CLI fallbacks so agents can keep working when MCP is unavailable.

Co-authored-by: Cursor <cursoragent@cursor.com>

* style(ai-context): satisfy Prettier

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-02 20:52:44 +01:00
Gergő Magyar
990d79ba8c
fix(mcp): make impact/context reproducible — deterministic ordering on every capped query (#2787) (#2796) 2026-08-02 17:03:15 +00:00
Gergő Magyar
010a7d806a
fix(schema): declare the full scope-resolution relation cross product (#2792) (#2793)
* fix(schema): declare the full scope-resolution relation cross product (#2792)

`RELATION_SCHEMA` was hand-listed, and every prior fix added only the
FROM/TO pair named in a crash report — `Const→Method` in #2769, the
Swift/Rust member pairs before it. So `analyze` kept aborting at
`assertDeclaredPair` on the next codebase whose edges happened to land on
a different pair; #2792 reports `Class→Variable` on Java.

Audit the surface instead of the symptom. `buildGraphNodeLookup` skips
any node whose label is not in `isLinkableLabel`, so the lookup holds
only linkable-labelled nodes — and both endpoints of every graph-bridge
edge resolve through that lookup. The emittable surface is therefore
exactly:

  FROM  LINKABLE_LABELS + File   (the module-level caller fallback)
  TO    LINKABLE_LABELS + CALL_TARGET_TYPES

`isCallerAnchorLabel` is a strict subset of linkable and contributes
nothing on top. `CALL_TARGET_TYPES` contributes `Delegate`, which
`tryEmitEdgeWithExplicitTargetId` can emit without going through the
lookup at all.

Generate that 14x14 block into the DDL rather than listing it: 223 -> 322
declared pairs, and no future pair from these sets can be missing by
construction. The containment/inheritance/DI/route/cluster/PDG pairs stay
hand-declared — no single predicate describes them.

Both label sets live in the ingestion layer, which `core/lbug` must not
import, so schema.ts carries twin lists. test/unit/schema-pair-coverage.ts
derives the requirement from the originals and fails CI when either set
grows without the pairs landing here — the piecemeal loop this fix ends.

Measured before widening: at 322 pairs the cost is inside noise
(1.09s vs 1.12s per 300 anchored queries on a 32-table DB), but the full
32x32 cross product is ~1.8x on untyped-endpoint anchored queries. The
audited subset is the right scope, not "declare everything".

INCREMENTAL_SCHEMA_VERSION 34 -> 35: LadybugDB fixes endpoint pairs when
the rel table is created, so a pre-v35 database physically cannot store
these edges.

Closes #2792

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(schema): declare the non-bridge structural pairs COBOL and Vue emit

The generated scope-resolution block closed the half of RELATION_SCHEMA a
label predicate can describe. The hand-declared half was still stale: with
#2791's Function->Variable fix applied, `analyze` continued to abort on this
repo's own test/fixtures/lang-resolution with

  Relationship label pair Module→Property is not declared

A full sweep (assertDeclaredPair patched to log-and-skip, run over the whole
fixture corpus) found 13 undeclared pairs over 106 edges. This branch already
covered 3 of them via the cross product; the remaining 10 come from emitters
outside the graph bridge:

  - cobol-processor.ts mints Module / Namespace / Record / Property /
    CodeElement and wires them with CONTAINS, CALLS and ACCESSES (9 pairs)
  - vue-sfc-extractor.ts emits BINDS_EVENT_HANDLER from a handler Function to
    the child component's File, the only edge whose target is a File (1 pair)

CodeElement, Namespace, Record and File are in neither scope-bridge label set,
so neither the generated block nor schema-pair-coverage.test.ts can reach them.

Adds test/integration/structural-pair-coverage.test.ts, which derives the
requirement from a corpus instead of a predicate: it runs the real pipeline
over the non-bridge fixtures and requires every FROM/TO pair they produce to
be declared. Mutation-checked — dropping `FROM Function TO File` fails it with
exactly Function|File.

Verified: cobol-app, vue-basic and php-transitive-traits now index instead of
aborting; the full lang-resolution corpus completes at 10,876 nodes / 18,517
edges; scrypster/muninndb at 0b7a4272 (the #2789 repro) completes at 20,069
nodes / 71,580 edges, matching #2791 exactly, so this supersedes that PR.

* refactor(test): simplify the structural pair coverage guard

Cleanup pass over the previous commit. No behaviour change to the schema.

- reuse `FIXTURES` and `runPipelineFromRepo` from resolvers/helpers.ts instead
  of re-deriving the fixture root and importing pipeline.js directly
- gate on `distWorkerExists()` like every other integration test that passes
  `workerUrlForTest`, so a missing dist skips rather than fails
- run the three fixtures with `it.concurrent.each`; they share nothing and the
  cost is almost all worker spawn plus grammar load, which overlaps well
  (tests phase 21-24s -> 5.6s measured)
- replace the sentinel-in-a-Set filter with a plain `.filter()` chain, matching
  the sibling unit test, and move the declared/table lookups off the per-edge
  path onto the deduped set
- move the pure string pin out of the integration tier into
  schema-pair-coverage.test.ts, where the identical construct already lives, so
  it needs no build and survives fixture deletion
- trim the schema and test prose that restated the code, and correct the
  BINDS_EVENT_HANDLER attribution: it is emitted by
  languages/vue/scope-resolver.ts, not vue-sfc-extractor.ts
- amend the v35 comment to mention the 10 structural pairs it now also stamps

Still mutation-checked: dropping `FROM Function TO File` now fails both the
integration sweep and the unit pin with exactly Function|File. 89 tests green.

* fix(schema): generate the attachment pair surface and close four analyze aborts

Review of the generated scope-bridge cross product found four `analyze`
hard-aborts still live at head, each reproduced end-to-end on the default
user path (`analyze --index-only --skip-git`):

  Method→Annotation   Spring `@Bean` + `@ConditionalOnMissingBean` (Java + Kotlin)
  Method→File         Vue Options-API `methods:` handler bound to a child event
  Namespace→Record    COBOL `DECLARATIVES` / `USE AFTER STANDARD ERROR ON <file>`
  Class→Tool          `@mcp.tool()` applied to a class

All four are pre-existing on main, and both existing guards were structurally
blind to them: the unit guard derives from LINKABLE_LABELS ∪ CALL_TARGET_TYPES
(none of Annotation/Tool/Record/File-as-target is a member) and the corpus
guard ran three fixtures that exercise none of these emitters. All 16 tests
passed while all four crashes were live.

The PR's model — "bridge endpoint × structural endpoint" — does not fit:
Namespace→Record is structural on both sides. The property that does hold is
that the ANCHOR is a lookup result, not a literal at the emit site, so the
emitter cannot constrain its label. That gives a second closed-form rule:

  DEFINITION_ANCHOR_LABELS × ATTACHMENT_TARGET_LABELS

DEFINITION_ANCHOR_LABELS is derived from NODE_TABLES by subtraction, so a new
node table joins automatically. 332 → 450 declared pairs.

Sized against a committed harness (gitnexus/bench/schema-pairs), real
@ladybugdb/core, identical data: 450 costs 0.93–1.05× of 332 on untyped-endpoint
anchored queries — inside noise — versus 1.22–1.43× at 641 and 2.03–2.34× at
1024. The harness reproduces the known #2792 cliff, which is what makes the 450
figure trustworthy.

Also in this change:

- Delete the 161 hand-declared pairs the rules already generate (233 → 72).
  The declared set is byte-identical at 450; those lines were load-bearing
  shadow, because the generator suppresses anything already declared
  structurally, so narrowing a rule later would silently keep pairs alive.
  A new guard fails CI if a hand-declared pair is ever re-added inside a rule.
- Import LINKABLE_LABELS / CALL_TARGET_TYPES instead of hand-copying them.
  The twins' stated justification ("the ingestion layer must not be imported
  here") is false: csv-generator.ts and lbug-adapter.ts, siblings in the same
  directory, already do, and no rule in AGENTS.md / ARCHITECTURE.md /
  CONTRIBUTING.md / GUARDRAILS.md states otherwise.
- Resolve `resolveStreamGraphEmit` after the guards that rebind `options.force`,
  not at function entry. It gates on `force`, and every freshness guard runs
  ~360 lines later, so the v34→v35 bump would have pushed every existing index
  down the non-streamed emit path — losing the #2680 memory streaming added for
  the #2649 kernel-scale OOM, for exactly the population most likely to be
  memory-constrained.
- `UndeclaredRelationPairError` now carries the relationship type, both node ids
  and the source file, with a matching CLI branch. The old message named only
  the abstract label pair, which a user could not act on. Found through the
  cause chain, since pipeline-phases/runner.ts rewraps every phase failure.
- Share one classifier (`relPairKeyFor`) across the router, both emit sinks and
  the corpus guard, which previously hand-mirrored the router's skip rule; one
  cause-chain walker in lib/utils.ts; one exported pair-matching regex.
- Corpus guard: four new fixtures reproducing the aborts, per-fixture sentinel
  pairs so a fixture that stops emitting fails loudly instead of passing
  vacuously on an empty graph.

The per-edge path stays allocation-free: the failure context is passed
positionally and the message is built only inside the throw.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0182jkjQqzACkJKYw4MLDnhX

* test(bench): re-baseline the COBOL capture fingerprint for the new fixture

`bench/scope-capture` globs `lang-resolution/cobol-*`, so the
`cobol-declaratives` fixture added in 81daf370e (to reproduce the
`Namespace→Record` analyze abort) joined that corpus and shifted the
fingerprint — 14 → 15 files.

Verified corpus-only, not a capture change: with that one fixture moved
aside the fingerprint is byte-identical to the prior baseline
(d45bb091…), and 81daf370e touches no COBOL capture code. The new value
reproduces CI's reported hash exactly. Scaling 0.677 < 1.5 budget.

`bench/scope-capture/measure.mjs --check` → PASS (15 languages).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0182jkjQqzACkJKYw4MLDnhX

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 16:26:25 +01:00
Gergő Magyar
74409a37f6
perf(cpp): index qualified namespace members once per pipeline run (#2788) (#2794)
* perf(cpp): index qualified namespace members once per pipeline run (#2788)

`resolveCppQualifiedNamespaceMember` walked every parsed file — rebuilding a
per-file `scopesById` map each time — once per qualified `ns::member()` call
site, so the scope-resolution emit phase cost O(callsites x scopes). On a
1,473-file C++ repo that was 25.3 min of a 33-min analyze, with 75% of total
self-time in this one function. Its inner `findMemberInNamespaceTransitive`
compounded it: each recursion step filtered `scopesById.values()` by parent,
O(scopes^2) per file on its own.

This is the same bug #1990 fixed in the sibling ADL path (`pickCppAdlCandidates`
-> `AdlCandidateIndex`), so it gets the same fix: a `QualifiedNsMemberIndex`
(receiver simple name -> member simple name -> callable defs) built lazily once
per `parsedFiles` identity and reset by `clearCppInlineNamespaces`, which runs
from `cppScopeResolver.loadResolutionConfig` at the start of every pass. Per
call site the work drops to two Map lookups.

Ordering is preserved exactly — file-major, `parsed.scopes` declaration order,
a namespace's own `ownedDefs` before its inline-namespace children, depth-first
— because the caller takes `allHits[0]` for the single-hit case and
`narrowOverloadCandidates` is first-wins. Non-inline nested namespaces are
still not descended into, and same-name hits across inline children still
report `'ambiguous'` (#1564).

Measured with `PROF_SCOPE_RESOLUTION=1 analyze --force --index-only` on a
synthetic corpus (`namespace ns_i { inline namespace v1 { ... } }` plus 20
`ns_j::fn()` call sites per file):

| files | emit before | emit after |
|-------|-------------|------------|
| 100   | 153ms       | 16ms       |
| 200   | 704ms       | 24ms       |
| 400   | 3,293ms     | 42ms       |
| 800   | 16,898ms    | 78ms       |

Before, doubling the file count quadrupled emit; now it doubles. At 800 files
total scope resolution goes 17.2s -> 394ms.

Output is unchanged, verified rather than assumed: a full graph dump (sorted
nodes + relationships) from a baseline build at the parent commit and from this
one are byte-identical on all 134 `cpp-*` fixtures merged into a single repo
(1573 nodes / 1997 relationships) and on the 400-file synthetic corpus.
`test/integration/resolvers/cpp.test.ts` passes 334/334.

#1990 shipped its ADL fix without a scaling gate, which is how the bug class
came straight back here, so this adds one: `bench/cpp-qualified-ns` measures
`(t_large/t_small)/(1600/400)` — 0.93-1.21 indexed versus 3.45 for the old
per-call-site scan — alongside a fingerprint over every
`receiver::member -> outcome` the corpus resolves, and CI runs it with
`--check`. `test/unit/cpp-qualified-ns-index.test.ts` covers the cache
invalidation the index introduces.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(cpp): address tri-review findings on the qualified-namespace index (#2788)

Multi-engine review of this PR (Claude swarm + ce-code-review, Codex
gpt-5.6-sol swarm + ce + adversarial) returned two P1s and five smaller
findings. All are fixed here.

P1 — the index defeated the pipeline's post-language memory release.
`scope-resolution/pipeline/phase.ts` evicts each language's files and then
calls `forceGc()`, on a stated premise that "This language's ParsedFiles are
now unreachable", sizing C/C++ at ~17-20GB on the Linux kernel. The
module-level `let qualifiedNsIndexSource` falsified that: it pinned the whole
`parsedFiles` array, and the index held defs reaching into those files'
scopes, until the *next* C++ pass cleared it — which in a single analyze never
comes. C++ is 7th of 16 in SCOPE_RESOLVERS, so the set survived nine later
language passes plus emit. Replaced with a
`WeakMap<readonly ParsedFile[], QualifiedNsMemberIndex>`, the pattern already
used by `moduleScopeIndexByPass` in `cpp/file-local-linkage.ts`.
`clearCppInlineNamespaces` still swaps in a fresh WeakMap, because the index
has a second input (`inlineNamespaceScopeIds`) the key cannot observe.
Measured with `--expose-gc`: 61.2MB retained after the caller drops the array
before, 0.1MB after.

The ADL twin (`adl.ts`) has the same pattern, so the hazard predates this PR —
but `pickCppAdlCandidates` returns early before `ensureAdlIndex` on
`noAdlSites`/empty `argInfoBySite`, so it rarely arms, whereas a qualified
`ns::member()` index arms on almost every C++ workspace. Moving the ADL twin
to a WeakMap is left as a follow-up.

P1 — the new bench could not see the regression class it exists to gate.
`callSites()` drew every receiver from `ns_${...}`, so the receiver lookup
never missed; production is the opposite, since Case 1.5 in
`receiver-bound-calls.ts` is reached by every plain-identifier receiver call
and misses on most. A rescan reintroduced only on the receiver-bucket-absent
path scored 1.279 and PASSED the old bench. The corpus now mirrors production
(~1 in 5 receivers name a declared namespace) and adds a namespace reopened
across files, a same-name inline nest, a member declared at both namespace and
inline-child level, and call sites carrying a real `Callsite` so
`narrowOverloadCandidates`/`cppConversionRank`/
`isOverloadAmbiguousAfterNormalization` are inside the fingerprinted surface at
all. That same rescan now measures 4.538 and FAILS; defeating the dedup now
fails the fingerprint arm where it previously passed byte-identical. The
fingerprint moved once, deliberately, for the corpus expansion — recorded in
`_rebaseline_2788_review`, explicitly not precedent.

Also fixed:

- Unbounded recursion aborted analyze. `collectNamespaceMembers` recursed per
  inline child with no bound and threw an uncontained `RangeError` at inline
  depth 8000 (`phase.ts`'s try has a `finally`, no `catch`), and a receiver
  *miss* paid full recursion where the deleted walker skipped on a name
  mismatch. An explicit work-stack alone would only have converted that into
  an OOM at depth 6000, because the eager table was quadratic in memory too:
  for a depth-D chain it legitimately holds D(D+1)/2 entries, since `v2::foo()`
  is a valid receiver at every level. Replaced with a lazily-queried node graph
  (per-scope own-member buckets plus direct child links, resolved on demand and
  memoized per receiver+member). Build is now linear; depth 100000 costs 133ms
  where 8000 previously threw.
- "#1990 shipped without a scaling gate" was false. #1990 did ship
  `test/integration/cpp-adl-benchmark.test.ts` (f1b843838). Corrected in the
  bench header and the CI step comment. The accurate point is narrower and
  stronger: that bench asserts `callsResolved === 0`, so it never drives the
  qualified-receiver path, and it is `skipIf(!GITNEXUS_BENCH)` while the only
  step setting that variable lists neither C++ bench — so it has never run in
  CI. Wiring it in is a follow-up.
- "Ordering is load-bearing" was not a live property: `allHits[0]` is only
  reached at length 1, and both tail branches return `'ambiguous'`. Order is
  still preserved for byte-identity with the pre-#2788 walker; the comment now
  says that instead, and the test named for ordering is renamed to the
  parent/inline-child visibility it actually asserts.
- "Same contract as `ensureAdlIndex`" overstated parity — the sibling ships a
  `validateAdlSeqCoverage` guard because it reads
  `seqByNodeId.get(...) ?? 0`, which can silently collapse candidates. This
  index has no analogous defaulting read, so no guard is added; the comment now
  says why.
- Two coverage gaps closed, both mutation-verified: cross-file merge of one
  namespace reopened in two files (no existing test covered it — confirmed by
  making each file clobber the previous and watching only the new test fail),
  and the same-name inline nest whose dedup, when defeated, flips a resolved
  def to `'ambiguous'`.
- `resolveCppQualifiedNamespaceMember`'s JSDoc now names both production call
  sites, including the callsite-less `resolveAdlCandidates` path.
- Memoized candidate buckets are frozen, so a future in-place sort in
  `overload-narrowing.ts` throws instead of silently corrupting later
  resolutions now that the array is shared across call sites.
- `_scaling_note`'s "measured 0.93-1.21" band did not reproduce; it is now the
  honestly observed 1.28-1.45, with the small arm widened to ~14ms (halves the
  spread) and a triage line saying a scaling failure is a timing signal to
  re-run, unlike the deterministic fingerprint arm.

Verification: 840,000 differential probes against the pre-#2788 walker
extracted from base, 0 mismatches, plus 48,000 candidate-order comparisons,
0 mismatches. cpp resolver integration suite 334/334. Unit suite 10/10.
tsc, eslint, prettier clean. Bench --check PASS.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(bench): escape the NUL separator so measure.mjs stays a text file

The fingerprint key separator was written as a literal NUL byte instead of the
`\u0000` escape. Git classifies any file containing a NUL as binary, so the
whole bench showed as `Bin` with no diff on GitHub and could not be reviewed —
the same defect this branch already fixed once before the tri-review.

Escaping it is byte-for-byte equivalent at runtime (both produce U+0000), so
the committed fingerprint is unchanged and `--check` still passes.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(cpp): quality cleanups from a four-angle review of the #2788 series

Reuse, simplification, efficiency and altitude passes over the diff. No
resolution behaviour changes: the bench fingerprint is unchanged and the C++
resolver integration suite still passes in full.

Efficiency

- The `Object.freeze` added in the review-fix commit to close an aliasing
  residual costs 4.6x on the narrowing path — V8 moves frozen arrays to
  PACKED_FROZEN_ELEMENTS, off the fast path for the `.filter`/`.map`/`.some`
  runs `narrowOverloadCandidates` does at every multi-candidate call site.
  The hazard it guards is already a compile error (both the memo and the
  parameter are `readonly SymbolDefinition[]`), so it is now a dev-only
  tripwire. Gated on `isSemanticModelValidatorEnabled()` — the repo's opt-IN
  form used by `phase.ts` and `validate-bindings-immutability.ts` — not
  `adl.ts`'s opt-out `NODE_ENV !== 'production'`, which would keep paying the
  cost in CLI runs where `NODE_ENV` is unset. Large bench arm 100.3 -> 70.6ms.
- The index build scanned every scope in every file twice; pass 1 now collects
  `[scope, node]` pairs for pass 2 to iterate. 800k scopes 14.40 -> 8.21ms.
- `simpleNameOf` uses `lastIndexOf('.')` + `slice` instead of
  `split('.').pop()` (83 -> 24 ns/call), semantics verified byte-equivalent
  over 12 edge cases including `undefined`, `''`, `'a.'`, `'.b'` and `'a..b'`.
- The per-call `hookCtx` literal is hoisted to a module const.
- The bench's fingerprint pass resolved 960k call sites to produce 5,800
  distinct outcomes; it now dedups on the key it already builds. Bench wall
  time 2.4 -> 1.9s, fingerprint byte-identical.

Reuse

- `bucketOwnMembers` used an inlined `Function | Method | Constructor` compare;
  it now calls the canonical `isOverloadableCallable`. `graph-bridge/ids.ts`
  already carries a note that inlining this list recreated twin-list drift once.

Altitude

- `adl.ts` had the same retention defect this series just fixed next door: a
  module-level `let adlIndex` + `let adlIndexSource` strongly pinning the whole
  `parsedFiles` array until the next C++ pass, which in a single analyze never
  comes. Converted to the same `WeakMap` shape. Measured with `--expose-gc`:
  89.11MB retained after the caller drops the array before, 0.17MB after. Six
  file-local helpers now take the index as a parameter; no exported signature
  changed.
- The index's freshness depended on `clearCppInlineNamespaces()` being called
  from another file, guarded only by a warning paragraph. An epoch bumped in
  both `populateCppInlineNamespaceScopes` and the clear is now stored with the
  memo, so a missed clear degrades to a rebuild instead of a stale answer —
  confirmed by driving inline state mid-pass without the clear. Roughly line
  neutral, since it replaces most of the paragraph.
- `test/integration/cpp-adl-benchmark.test.ts` is wired into the
  `GITNEXUS_BENCH` step. It is `skipIf`-gated and was absent from that step's
  explicit file list, so #1990's ADL emit-scaling guard had never executed in
  CI. It passes; ~50s added to a 25-minute job. `cpp-pipeline-benchmark.test.ts`
  is deliberately NOT wired: it costs 115s for guards covering generic
  per-language pipeline scaling that nothing here touches.

Simplification

- Deleted a comment referencing a `inlineChildrenByParent` map that only ever
  existed inside this branch's own first commit, so "the legacy map" pointed a
  reader at code that never shipped.
- Dropped three unreachable `undefined` guards (`strict: false`, no
  `noUncheckedIndexedAccess`), keeping the load-bearing `visited` check.
- Compressed the `rootsByReceiver` doc from 17 lines to 7 — it was the longest
  comment in the file and guarded the least consequential property — the
  `validateAdlSeqCoverage` paragraph from 7 lines to 3, and turned three
  restatements of the uncaught-throw and dedup arguments into pointers.
- Test fixtures: dropped the dead `'Module'` union arm, added a one-line `ns()`
  builder for the nine hand-written scope literals, and moved the file to
  `test/unit/scope-resolution/cpp/` where every other C++ scope-resolution unit
  test lives. 403 -> 337 lines, same 10 tests, and the cross-file mutation check
  still fails exactly one test.

Not done, and why: merging this index into `AdlCandidateIndex` (they key on
different names with different inline-transparency depth — a refactor with
correctness risk, not a cleanup); `ScopeTree.getChildren` (trades in-memory
`parsed.scopes` for store hits on a hot path); a shared `cpp/` util for the five
pre-existing `simpleName` copies; sharing fixtures across the bench/test
boundary (no precedent in this repo); and an exact-count arm for the bench,
which is a gate redesign worth its own change.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 15:52:33 +01:00
Gergő Magyar
911151e230
fix(resolution): resolve Go pointer-receiver calls, and report the program boundary instead of hedging (#2766) (#2782)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
2026-08-01 22:42:18 +01:00
Karl Lehenbauer
639eb04b31
fix(swift): preprocess indented conditional directives so class bodies survive parsing (#2771)
* fix(swift): preprocess indented conditional directives so class bodies survive parsing

* fix(swift): make conditional-directive blanking comment-, string- and brace-aware (#2771)

Addresses the review findings on PR #2771. The transform fired
unconditionally, which turned valid Swift into parse errors while missing the
most common shape it was written for.

- The blank/keep decision now consults `blockCommentDepth`, so `  #endif */` —
  the result of commenting out a conditional block — keeps its comment
  terminator. Previously `hasError` went raw=false -> preprocessed=true and the
  rest of the file was swallowed.
- The decision keys on the scanner's brace depth instead of indentation. A
  column-0 `#if` inside a class body is blanked (6 of 7 body shapes previously
  still lost the enclosing declaration) and an indented file-scope directive is
  not — matching what the doc comment already claimed. Bare-CR line endings,
  NBSP/ideographic indentation and a leading BOM are recognized too.
- A group is blanked only when every branch is brace-balanced. An `#if`/`#else`
  that splits a declaration header leaves one unmatched `{` once both branches
  survive, which collapsed five top-level nodes into one and gave unrelated
  types fabricated `NetworkClient.` qualified names. Such a group now degrades
  to the pre-fix behavior.
- Multiline strings honour `\"""` escapes, and a plain `"""` closes even when a
  `#` follows it, so the scanner no longer wedges in string state and silently
  stops blanking for the rest of the file.
- The pound run is counted once per position and skipped. It was quadratic:
  10.6s for one 64k-`#` line, well inside the 512 KB walker limit.
- Extended regex literals (`#/.../#`) no longer open a phantom block comment.
- Directive-free files return early, matching `stripUeMacros`.

Worker parity: `emitSwiftScopeCaptures` and `emitCppScopeCaptures` re-apply
their provider's `preprocessSource` on the parse-cache-miss path — Dart already
did this — and the embedding parse in `ensureAndParse` applies the hook as
well. Before this the worker and the scope-capture/embedding halves analyzed
different programs, turning a consistent degradation into cold-run/warm-run
non-determinism. A new parity test pins the equivalence for every provider that
defines the hook.

SCHEMA_BUMP 37 -> 38: this changes parse semantics, the chunk key hashes raw
on-disk bytes, and `preprocessSource` runs after the key is computed — so a
same-package-version warm cache would replay pre-fix Swift results verbatim,
including across `--force`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* refactor(ingestion): apply preprocessSource once in the scope bridge (#2771)

Follow-up cleanup on the review fixes. The previous commit re-applied each
provider's `preprocessSource` inside `emitSwiftScopeCaptures` and
`emitCppScopeCaptures`, mirroring what Dart already did — three copies of the
same rule, and a contract that asked every future emitter to remember it.

`extractParsedFile` is the single funnel every `emitScopeCaptures` caller
passes through (parse worker, scope-resolution run, Vue script extraction), and
it already receives the provider. Applying the hook there on the cache-miss
path covers all three languages and every future one, names no language in
shared code, and drops Dart's unconditional transform on the cache-hit path.
Verified the three emitters use `sourceText` for nothing but the parse, so the
substitution is output-identical — which the parity test asserts directly.

Also from the cleanup pass:

- the parity test derives its language list from the provider registry, so a
  new provider adopting the hook fails until it adds a fixture
- `ensureAndParse` resolves the provider from the language it already computed,
  instead of a second extension table (`getProviderForFile`)
- the preprocessor returns `sourceText` unchanged when no group was blanked,
  which is the common case for files whose only directives are top-level
- `split(/(\r\n|\n|\r)/)` replaces the hand-rolled line splitter, and the
  per-group brace bookkeeping is two scalars instead of an array
- the hint regex is derived from the line regex so the two cannot drift
- unit assertions compare the WHOLE preprocessed file against the expected
  blanking, replacing per-line spot checks; the pipeline tests share one
  `runFixture` helper and `getNodesForFile` in the resolver test helpers
- `LanguageProvider.preprocessSource` documents the real call sites and says
  plainly that the set is not closed — `populateRangeBindings` still hands
  language helpers raw text

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* chore(autofix): apply prettier + eslint fixes via /autofix command

---------

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-08-01 20:10:58 +00:00
azizur100389
d268f351d3
fix(group): preserve manifest-only impact crossings (#2784)
* fix(group): preserve manifest-only impact crossings

Keep proven manifest cross-repo hits when the far endpoint has no concrete graph symbol, avoiding a guaranteed failed UID fan-out.

* fix(group): verify manifest-only neighbor repos

Keep manifest-only crossings from bypassing neighbor repository resolution so unavailable repos still surface as truncated fan-out.

* fix(group): distinguish boundary-only impact crossings

Keep manifest-only boundaries visible without treating unattempted fan-out as completed impact or escalating risk, and cover service scope, deduplication, and real bridge persistence.

---------

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
2026-08-01 20:24:06 +01:00
MyShining
1147646518
feat(spring): model AOP transactions, caching, and security (#2783)
* feat(spring): model AOP advice and proxy behavior

* fix(spring): address AOP review findings

---------

Co-authored-by: Shining <xuenning@qiyi.com>
2026-08-01 17:22:12 +01:00
ChunxueLi
99291891b7
feat: make MAX_CALLABLE_VALUE_TARGETS configurable via env (#2725)
* feat(scope-resolution): make MAX_CALLABLE_VALUE_TARGETS configurable via env

The branch's original commit was a whole-file snapshot taken at a stale base
and never touched the constant, so the env read was missing and the branch's
own test failed. Implemented here, matching the sibling
GITNEXUS_MAX_PROPERTY_DISPATCH_FANOUT knob.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* test(callable-value-flow): add env override tests

* docs(callable-value-flow): document GITNEXUS_MAX_CALLABLE_VALUE_TARGETS env

Adds a Troubleshooting subsection to README.md and a commented entry to
gitnexus/.env.example for the new per-callable-site dispatch-target cap
(default 32), following the maintainer's review request to document the
knob alongside its implementation.

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Ubuntu <ubuntu@localhost.localdomain>
Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
2026-08-01 12:42:36 +01:00
Karl Lehenbauer
bebb1d2367
fix(schema): declare Swift member-containment pairs in CONTAINS DDL (#2769)
* fix(schema): declare Swift member-containment pairs in CONTAINS DDL

* fix(schema): declare remaining Rust impl/trait and JS/TS object-literal HAS_METHOD pairs; guard streamed emit sinks against undeclared pairs (PR #2769 review)

* refactor(schema): share one declared-pairs constant across router and sinks

DECLARED_REL_PAIRS was being computed independently in three places
(csv-generator.ts, graph-emit-sink.ts, pdg-emit-sink.ts) from the same
static RELATION_SCHEMA parse. Export the existing constant from
csv-generator.ts (already imported by both sinks) instead.

assertDeclaredPair now takes the pre-built pairKey rather than the two
labels, since every caller (RelPairRouter.route, both sinks' addRelationship)
needs that same key immediately after for its own Map/stream lookup on the
per-streamed-edge hot path — avoids rebuilding the template string twice
per edge.

Also drops two schema.test.ts assertions that duplicated coverage already
in the more narrowly-named regression tests below them, and trims the v32
ladder comment to point at assertDeclaredPair's docstring instead of
re-explaining the same failure mechanism.

* fix(schema): use replaceAll for the pair-arrow error message (CodeQL)

.replace(str, ...) only touches the first match; CodeQL flags that as
incomplete string escaping regardless of the caller's invariant that
pairKey contains exactly one '|'. replaceAll is equivalent here and
silences the alert.

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
2026-08-01 12:35:37 +01:00
ChunxueLi
c238085676
feat: make MAX_PROPERTY_DISPATCH_FANOUT configurable via env (#2726)
* feat(scope-resolution): make MAX_PROPERTY_DISPATCH_FANOUT configurable via env

* test(property-dispatch): add env override tests

* docs(scope-resolution): document GITNEXUS_MAX_PROPERTY_DISPATCH_FANOUT in README and .env.example

Add a dedicated troubleshooting subsection and .env.example entry for the
GITNEXUS_MAX_PROPERTY_DISPATCH_FANOUT environment variable, matching the
format used by the sibling GITNEXUS_MAX_CALLABLE_VALUE_TARGETS knob.

Closes maintainer request: "Could you please document this in the readme
plus the .env.example?"

---------

Co-authored-by: Ubuntu <ubuntu@localhost.localdomain>
2026-08-01 12:18:07 +01:00
Void Freud
0f78179e7f
fix(jvm): enforce proximity-bounded sibling injection (#2732)
* fix(jvm): bound same-package sibling injection

* docs(jvm): document sibling injection cap

* fix(jvm): mark truncated sibling sets incomplete and bound the merge

Review follow-ups on the sibling injection cap (#2732):

- The cap silently produced a third visibility state. Before it, a file was
  either fully visible (package under 500 files) or fully incomplete; once
  `injectedIds.size` hit the cap, real siblings were dropped while
  `isVisibilityIncomplete` still returned `false`. That flag gates wildcard
  attribution in seven Spring passes (`bean-candidates.ts:199` and the java/
  kotlin bean-metadata, conditionals, config-bindings and DI resolvers), so
  201-500-file packages — exactly this cap's population — resolved wildcard
  annotations against a truncated sibling set with no log signal. Truncation
  now marks the file incomplete and analyze warns once with the affected file
  count.

- The cap only bounded `bindingAugmentations`; the two `typeBindings` merges
  below it still absorbed every sibling, so a class excluded from the binding
  set could still steer receiver/variable type inference through
  `scope.typeBindings`. Both halves now use the same bounded sibling set, and
  the merge iterates that set directly rather than filtering a full rescan, so
  the cap bounds the work as well as the result.

- Path segments are split once per bucket instead of on every pairwise
  proximity comparison — that comparison runs O(files²) per package.

- `JvmPackageFact` was re-declared locally instead of imported from
  `package-facts.js`, where the canonical declaration still serves both
  languages' facades and capture side-channels. Nothing kept the copies in
  sync. Restored the import.

- README/.env.example: `GITNEXUS_MAX_INJECTED_SIBLINGS` does not lift the
  fixed 500-file package skip (including at `0`), and truncation disables
  wildcard attribution for the affected files. Both are now stated.

* test(jvm): restore the language-facade coverage and pin the cap's behaviour

The cap rewrite replaced the per-language harness with generic fixtures,
dropping the Java/Kotlin capture-side-channel and facade coverage (package fact
extraction, the 500-file skip, fail-closed on a file that produced no
ParsedFile) and leaving a proximity fixture whose candidates were already in
order — so it could not tell a working sort from plain truncation of the input.

Restores that harness and adds cap-specific cases on top, driven through the
shared JVM factory. The fixture interleaves near and distant siblings, so the
retained set is only reachable by a working proximity sort. Covers: the exact
capped set, truncation marking the file visibility-incomplete, type bindings
bounded by the same sibling set, the unbounded `0` override staying complete,
and the documented default of 200 applying when the variable is unset.

Each new case fails against the pre-fix implementation.

---------

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
2026-08-01 09:38:10 +01:00
Void Freud
7ee0df9e55
fix: serialize global registry transactions across processes (#2716)
* fix: serialize global registry mutations

* fix: serialize global registry mutations

* fix: keep registry reads lock-free

* test(registry): document cross-platform lock coverage

* fix(registry): isolate the registry lock's namespace, timeout and diagnostics

Review follow-ups on the global registry lock (#2716):

- The lock took `getGlobalDir()` itself, which is byte-identical to a repo's
  index slot when that repo is rooted at the user's home directory (a real
  dotfiles layout). `runFullAnalysis` holds the per-repo lock across its whole
  pipeline and `acquireIndexLock` is not reentrant, so `registerRepo` /
  `adoptFlatBranchLabel` self-deadlocked until the wait ceiling and then failed
  the analyze. The registry now locks a private `<globalDir>/registry-lock`
  namespace no index slot can ever resolve to.

- The lock inherited the index lock's 10-minute default timeout, sized for
  multi-minute analyze runs. `gitnexus augment` — documented to cold-start in
  under 500ms and shelled out from editor tool-use hooks — reaches it through
  `listRegisteredRepos({ validate: true })`. Registry transactions are
  sub-second, so they now get their own 5s ceiling.

- Contention was silent: no `log`/`onWaitStart` was wired, and the primitive's
  own texts attribute a wait to "another gitnexus analyze", which misnames a
  registry holder. A registry-specific line is emitted on wait start instead.

- On timeout the transaction now proceeds unlocked with a warning rather than
  throwing. The lost-update race it guards was unguarded before this branch, so
  degrading to the old best-effort behaviour beats failing `analyze`/`list`/
  `index` outright — none of which wrap these calls in a handler — on a wedged
  lock.

- `adoptFlatBranchLabel`'s recursive `fs.rm` no longer runs inside the lock;
  only the closing re-read/mutate/write does, mirroring `clean.ts`, which
  deletes the branch directory before calling the locked `removeBranchIndex`.
  A slow delete no longer blocks every registry operation on the machine.

* test(registry): cover the remaining locked mutators and the colliding layout

Three of the five functions the registry lock wraps had no overlap coverage, so
a future narrowing of the lock would go unnoticed. Adds:

- overlapping `removeBranchIndex` calls on two branches of one entry,
- an overlapping `unregisterRepo` / `registerRepo` pair on distinct repos,
- a registration issued while an index lock is held on the global directory,
  which reproduces the home-rooted self-contention the lock namespace fix
  addresses.

Each fails without the corresponding fix: the two overlap tests lose an update
when `withRegistryLock` is bypassed, and the collision test sees the wait
announcement and the degraded-write warning once the lock namespace is reverted
to `getGlobalDir()`. The collision test asserts on those log records rather
than on elapsed time, so it stays deterministic on a slow runner.

* perf(registry): keep the validation walk out of the registry lock

`listRegisteredRepos({ validate: true })` held the global lock across its
read-only validation walk — an `fs.access` per entry, slow on a network mount
or a large registry — even though the common case prunes nothing and writes
nothing. That is the same lock `gitnexus augment` takes on every editor tool
call, so unrelated registry work serialized behind a walk that never touched
the file.

The walk now runs unlocked; the lock is taken only when an entry is provably
gone, and the prune is applied to a snapshot re-read inside it, so a
registration that lands during the walk is no longer clobbered by a stale
write. Same shape as the `adoptFlatBranchLabel` split.

---------

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
2026-08-01 08:47:14 +01:00
Gergő Magyar
064832f50c
fix(mcp): resolve false FTS-missing warnings in the query tool (#2773)
* fix(mcp): surface resolved repo/branch/indexed-at in the FTS-degraded warning

Turns the generic "FTS indexes missing" message into a diagnostic
that reveals what this MCP session actually resolved, so a CLI/MCP
mismatch or stale-connection theory is visible in the warning text
itself instead of requiring a separate debugging round-trip (#2767).

* fix(mcp): stop swallowing real FTS query errors behind the missing-index message

queryFTSViaExecutor previously collapsed 'index genuinely missing' and
'a real query/connection error occurred' into the same silent null,
so a real failure could masquerade as the generic FTS-degraded
message with no diagnostic trail — even when it happened on only
some of the per-table queries while others succeeded. Classifies the
failure (mirroring queryFTS's own check for this exact cypher call),
always logs a non-benign error server-side regardless of overall
outcome, and surfaces it (redacted) in the client warning only when
every table failed (#2767).

* fix(mcp): give --repair-fts a dedicated freshness signal for warm readers

--repair-fts intentionally never restamps indexedAt (it doesn't
regenerate the graph), so a long-lived MCP session's pool staleness
check had no explicit signal that a repair happened, only the
incidental file-identity delta. Reuses the existing (forensic-only)
capabilities.fts.status field: repair-fts now stamps just that
sub-field (everything else byte-identical), and ensureInitialized
compares it as a third, independent reinit trigger alongside the
existing stamp/identity checks, seeded at cold init too so a fresh
process's first warm check doesn't false-trigger (#2767).

* test(mcp): warm session picks up an out-of-band --repair-fts rebuild (#2767)

New end-to-end integration test: a real writable LadybugDB session
builds an index WITHOUT FTS, a real LocalBackend observes 'FTS
indexes missing' through the real pool, a separate writable session
performs the exact repair-fts writes (real createSearchFTSIndexes +
the #2767 capability-only meta stamp), and the SAME still-warm
backend re-queries successfully without a restart — closing the one
end-to-end gap no existing test covered.

Running this against the real engine surfaced a second real message
shape for a missing FTS index ("doesn't have an index with name X",
not just "does not exist") that the U2 classifier didn't recognize —
fixed classifyFtsQueryError to match both, with a regression test
pinning the exact observed string.

* fix(review): address code-review findings on the #2767 FTS fix

- Anchor classifyFtsQueryError to the exception class (mirroring
  isBenignDropFtsIndexError) instead of a bare substring search, so a
  real, differently-classed error that happens to echo the benign
  phrase in its body (e.g. an echoed user query) can't be
  misclassified as a benign missing-index (adversarial review).
- Re-read the on-disk meta immediately before the --repair-fts
  capability stamp write instead of reusing the pre-rebuild snapshot,
  so a concurrent writer (e.g. the HTTP server's background embedding
  checkpoint job) landing mid-repair isn't silently reverted.
- Surface a client-facing partial-result warning (mirroring the
  existing enrichmentDegraded convention) when some FTS tables
  succeed but at least one hits a real error, instead of only logging
  it server-side.
- Update RepoMeta.capabilities' stale 'no programmatic readers'
  docstring now that ensureInitialized reads capabilities.fts.status.
- Widen the warm-session integration test's polling deadline for more
  margin over the production 5s staleness-check throttle.

* fix(ci): drop the cold-init loadMeta call ensureInitialized never needed

It stole the mocked loadMeta call an unrelated upstream PDG test
depends on (test/integration/impact-pdg-statement-precise.test.ts
queues a single mockResolvedValueOnce for its own PDG-config read;
the extra call consumed that slot before the PDG code ran, so it
fell through to the mock's null default and epistemic came back
undefined instead of 'pdg-intra-procedural'). Cold init now leaves
lastObservedFtsStatus unseeded — the cost is at most one redundant
initLbug call on the first warm check, which no-ops via a single
fs.stat when nothing actually changed, not a real reopen.

* fix(review): address tri-review findings on the #2767 FTS fix

Fixes two P1s (misleading repair-fts advice on real query errors;
embedding-checkpoint job silently reverting the capabilities.fts stamp
for up to its 30-minute lifetime), five P2/P3s (stale indexedAt in
warnings, extension-unavailable noise, mismatched log severity, a
table-missing vs index-missing conflation confirmed against a live
LadybugDB, and a reinit-watermark latching bug), and the four residual
items already self-disclosed in this PR's description (shared FTS
error classifier, consolidated per-pool observed-state map, a
redactPaths whitespace gap, and an isolated ftsCapsChanged test).

A /simplify pass afterward caught one more real bug: the
extension-unavailable short-circuit only guarded the MCP pool path,
so the CLI-path fix above it started surfacing spurious non-benign
errors for the same expected degraded state the pool path stays
silent on — now both paths agree.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-01 08:42:51 +01:00
azizur100389
84f584449d
fix(python): resolve classes through module imports (#2770) 2026-08-01 06:02:47 +01:00
azizur100389
454d383416
fix(ingestion): join multi-line closure bindings on initializer startLine (#2735) (#2762)
* fix(ingestion): join multi-line closure bindings on initializer startLine

Graph-node captures sit on the outer binding wrapper while scope-resolution
anchors on the inner callable; the line-only position join missed when those
split across lines and fail-closed dropped the real CALLS edge (#2735).

* fix(ingestion): unwrap Ruby call+block for multi-line lambda joins

Cover Kotlin/Ruby/Dart multi-line closure CALLS in integration tests, and
dig Ruby's call/block field so do-end bindings join on the block start line.

* style(ingestion): format closure join changes

* fix(ingestion): make closure position join language agnostic
2026-07-31 11:58:47 +01:00
MyShining
de84ad6297
feat(spring): index @Bean factories and @Resource injection (#2740)
* feat(spring): index Bean factories and Resource injection

* fix(spring): address Bean and Resource review findings

* refactor(lbug): keep relation pair parsing in router

* test(lbug): preserve schema exports in WAL mocks

* test(cache): align schema bump pin

---------

Co-authored-by: Shining <xuenning@qiyi.com>
Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
2026-07-31 10:33:42 +01:00
Gergő Magyar
27ab37c432
feat(resolution): type receiver chains from AST structure across all 14 languages (#2708) + epistemic lower-bound (#2744) (#2747) 2026-07-31 07:12:57 +01:00
Gergő Magyar
9c24e3459e
fix(rust): qualify items by their enclosing mod chain so same-named ones stay distinct (#2742) (#2745)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
* fix(rust): let the qualified-call filter see inline modules

The negative filter added in #2741 builds its set of known module names from
FILE PATHS, so an inline `mod x { … }` — which appears in no path — was absent
from it. Every module-qualified call into an inline module was therefore
rejected before any candidate channel ran, which is a hole in that optimisation
rather than in the resolution logic it guards.

The per-pass index now unions the file-derived names with inline module names
taken from the scope model: a `mod` declaration binds a `Namespace` def locally
in the declaring scope, and that binding is the only place an inline module's
name exists. Collected in the same walk that already builds the module → scope
map, so it costs no extra pass.

Found while fixing #2742, where a correctly resolved call into `mod inner { … }`
still could not reach its target.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(scope-resolution): try the namespace-prefixed node key before the bare one

`resolveDefGraphId` looked up the plain `qualifiedName` key first and only
retried with the `namespacePrefix`-qualified key afterwards. For the defs that
carry a prefix the qualified name is a bare TAIL, so the plain key happily
matched a same-named item at a different namespace depth in the same file and
returned it before the more specific retry was ever reached.

The namespace-prefixed key is strictly the more specific of the two, so it is
now tried first. Where no such node exists the lookup falls through to exactly
the previous order, which keeps the #1982 behaviour this retry was added for.

Without this, a call into `mod inner { fn dispatch }` resolved to the correct
definition and then mapped it onto the crate-root `fn dispatch` node — the
self-loop #2742 describes.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): qualify items by their enclosing mod chain so same-named ones stay distinct (#2742)

Node identity is `<label>:<file>:<qualifiedName>` and carried no module path, so
an inline `mod inner { fn dispatch }` and a crate-root `fn dispatch` in the same
file collapsed onto `Function:<file>:dispatch`, first-wins. Resolution already
picked the right definition — the target simply was not representable, so a
correct resolution still rendered as a self-loop and `impact` reported the real
callee as unreached.

The mechanism already existed: `qualifyRustImplTargetByModScope` has walked
`mod_item` ancestors for impl targets since #1982. Generalised to
`qualifyByEnclosingModScope` and applied to free items, so
`mod inner { fn dispatch }` becomes `Function:<file>:inner.dispatch`. Keyed
purely on the `mod_item` node type, exactly as the impl qualifier already was,
so it is a no-op for every language whose grammar has no such node.

Two constraints found by tests rather than by reading, both now encoded:

  - The helper normalised `::` to `.` unconditionally. With no enclosing `mod`
    that rewrote a top-level `impl a::Inner` from `a::Inner` to `a.Inner` and
    moved its node id away from the one the HAS_METHOD owner edge emits,
    breaking the #1975 scoped-impl ownership. It now returns raw text untouched
    when there are no mod segments, which also makes the change strictly
    additive for every id that has no enclosing module.

  - Qualification is scoped to items with no enclosing class/impl. A method
    already carries its owner's name, and that owner's id is mod-scoped by the
    impl qualifier, so qualifying the method again breaks the same byte-for-byte
    agreement. Same-named methods on same-named types in sibling modules
    therefore still collapse — a narrower residual than the free-item case fixed
    here, and one belonging to the owner edge rather than to this path.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(storage): bump schema versions for the mod-qualified Rust node ids (#2742)

`INCREMENTAL_SCHEMA_VERSION` 24 -> 25 and `SCHEMA_BUMP` 31 -> 32.

Node ids change for every Rust item inside any `mod` block, and
`#[cfg(test)] mod tests` makes that close to every Rust repository. A pre-v25
index therefore holds ids an incremental top-up cannot reconcile — the old nodes
would simply be stranded — so the reuse gate has to force a full re-analyze. The
qualified name is computed in the parse worker, so a warm parse cache would
likewise replay the old unqualified ids and keep the collapse.

This branch originally claimed v24; #2708 took that number and merged first, so
it is renumbered to v25 here. That is exactly the collision the v29 note in
parse-cache.ts warns about, and re-checking against origin/main at rebase time
rather than at branch time is what caught it. #2708 did not touch `SCHEMA_BUMP`,
so 32 is free.

The version-pin test moves with the bump by design, including the new pre-v25
row in the reuse-gate table.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): stop mod-qualifying container ids while their owner edges stay bare (#2745 review)

#2742 re-keyed Rust node ids by the enclosing `mod` chain. The mint moved; the
owner-edge anchor did not. `findEnclosingClassInfo` mints a member's owner id
from the container's BARE `nameNode.text` and only follows a qualified shape when
the provider sets `classExtractor.qualifiedNodeId`, which Rust does not.

So every `struct` / `trait` / `enum` / `impl` declared directly inside a `mod`
got a node id that none of its member edges pointed at. Five lines of idiomatic
Rust were enough:

    pub mod engine { pub struct Config { pub retries: usize } }

    NODE     Struct:src/lib.rs:engine.Config
    DANGLING HAS_PROPERTY Struct:src/lib.rs:Config -> Property:src/lib.rs:Config.retries

The rows are discarded by the IGNORE_ERRORS COPY retry, so the struct silently
lost every field. A trait impl inside a `mod` additionally dropped its
METHOD_IMPLEMENTS edge outright.

The same gap put `impl a::Inner` inside a `mod` back on the #1975 rake that
`qualifyByEnclosingModScope`'s own docblock warns about. The impl-target branch
deliberately fires only for an UNSCOPED `type_identifier`; the new gate had no
such restriction and picked up the scoped targets that branch had just excluded,
minting `Impl:<file>:outer.a.Inner` against an anchor still reading
`Impl:<file>🅰️:Inner`.

The member side was already excluded via `!enclosingClassInfo`. This adds the
owner side, gated on `MEMBER_OWNER_NODE_TYPES` — derived from
`CLASS_CONTAINER_TYPES`, which is already the single source of "this node type
owns member edges" and already carries an INVARIANT note binding it to
`CONTAINER_TYPE_TO_LABEL`. A language adding a container therefore cannot gain a
mismatched id shape here without also failing that invariant. Keyed purely on
tree-sitter node types, so no language name enters shared ingestion.

`union_item` is listed too: its fields are captured as Property but it is not a
recognized owner, so they carry no HAS_PROPERTY edge and cannot dangle — it is
here so a union's id keeps the same shape as the struct beside it.

Containers still collapse across sibling modules, exactly as before this fix.
That residual belongs to the owner edge, and is not worked around here.

Regression tests use the UNFILTERED `findDanglingEdges(result)`. Every other
dangling assertion in `rust.test.ts` passes `['HAS_METHOD']`, which is precisely
why the HAS_PROPERTY breakage shipped with a green suite. They assert the NODE
id rather than only the edge's anchor, because the anchor was already bare while
the bug was live — an edge-only assertion passes in both builds. All four fail
when the new gate clause alone is reverted.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* fix(rust): resolve modules nested inside an inline mod (#2745 review)

The #2730 self-loop survived one `mod` deeper:

    pub mod outer {
        pub mod tools { pub fn dispatch() {} }
        pub fn dispatch() { tools::dispatch(); }
    }

    CALLS outer.dispatch -> outer.dispatch          <- the #2730 symptom
    NODE  outer.tools.dispatch                      <- correct target, unlinked

Two gates were blind to a nested inline module, so the hook refused and the shared
lexical tier bound the call to the enclosing same-name `dispatch`:

`knownModuleNames` was collected by walking `moduleScopeByFile`, which maps a file
to its ROOT `Module` scope only. A `mod` nested inside an inline `mod` binds in the
parent module's scope, so the walk saw depth-1 inline modules and missed every
nested one — `tools` never entered the set and the negative filter rejected the
qualifier before any candidate ran.

`declaresSubmodule` had the same root-only assumption, so even with the name known
the candidate `outer::tools` was never yielded.

Both now read the def index. Names come from every `Namespace` def; inline module
PATHS are derived from the members' `namespacePrefix` rather than from the `mod`
defs, because a `mod` def carries no nesting information of its own — inside
`mod outer { mod tools { … } }` the inner def is `qualifiedName: 'tools'` with NO
`namespacePrefix`, while every def within it is stamped `outer.tools`. A
`Namespace` scope also owns its OWN def rather than its children's, so the scope
tree cannot answer this either: the `mod outer` scope lists `outer`, never `tools`.

Restricted to non-empty prefixes, so this stays a DECLARATION check. Including
file-derived modules would let an undeclared or `cfg`-gated file on disk outrank a
real `use` binding — the regression #2741's review already fixed once. File-backed
submodules therefore keep going through the binding check.

A module with no defs at all is absent from the set, which is harmless: it has no
member for a qualified call to resolve to.

Cost is one pass over an already-resident def index, memoized per resolution pass
on the existing WeakMap — the same order of work as the binding walk it replaces,
and it subsumes it. `isLocalNamespaceBinding` was going to single-source the
duplicated "locally declared submodule" predicate the review flagged; deriving
paths from members removed the second copy outright instead.

Regression fixture covers depth 2 and depth 3, so the fix is depth-agnostic rather
than depth-2 special-cased.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* fix(rust): let an imported type outrank a same-named module (#2745 review)

Widening the negative filter to inline `mod` names let a type-qualified call
through whenever a module happened to share the type's name. The
crate-root-relative candidate then captured it:

    // src/lib.rs
    pub mod Buffer { pub fn with_capacity() -> usize { 111 } }
    // src/b.rs
    use crate::c::Buffer;                        // the real target lives in c.rs
    pub fn call() -> usize { Buffer::with_capacity() }

    base: (no CALLS edge — unresolved)
    PR:   CALLS b::call -> Function:src/lib.rs:Buffer.with_capacity   <- fabricated

`ids.ts` states the doctrine this broke: a missing edge is the correct failure
direction for a graph whose consumers include `impact`; a fabricated caller is not.
The base produced the missing edge and the PR produced the fabricated one.

That third candidate is the loosest of the three — a guess at a crate-root-relative
path the caller never wrote, kept for 2015-edition style. In Rust 2018 a bare first
segment resolves in the CALLER's module, so a local binding for that segment
settles the question: it is now skipped when the head names anything non-module in
the caller's own module. Candidates 1 and 2 are untouched, and they run first, so
the legitimate `use crate::tools;` path is unaffected.

The binding lookup goes through `lookupBindingsAt`. A first attempt read
`Scope.bindings` directly and the guard never fired: a `use` binding is finalize
OUTPUT and absent from the scope's own local table, which is exactly the
imported-type case being guarded. Contract I8 in `contract/scope-resolver.ts`
requires that channel anyway.

The regression test asserts the forbidden TARGET rather than an empty edge set, and
separately asserts the module member still exists as a node — otherwise the test
would pass just as well if the call went unresolved for some unrelated reason, or
if the module node disappeared entirely.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* fix(scope-resolution): try the namespace-prefixed name on the TAGGED keys too (#2745 review)

`resolveDefGraphId` gained a namespace-prefixed retry for the plain qualified key
in this PR, but the five tagged keys above it — template constraints, parameter
types, parameter shape, arity, template arguments — kept composing from the bare
`qualifiedName`.

For a namespace- or `mod`-qualified def those keys are simply dead:
`node-lookup.ts` registers them under the QUALIFIED name (`inner.dispatch#0`)
while this side built `dispatch#0`. The keys exist to separate overloads, so a
mod-scoped overload set was relying on whichever later key happened to catch it.

Verified as a miss rather than a mis-hit before changing anything — an end-to-end
run with a crate-root decoy of the same name and arity binds correctly — so this
is hygiene, not a live bug. Worth doing while the code is open rather than leaving
five keys dead and the behaviour dependent on fallback order.

Both name forms now go through one `lookupTagged` helper, most specific first, so
a sixth tagged key cannot be added with the bare form only. That also removes the
five hand-repeated `qualifiedKey(...)` / `nodeLookup.get(...)` pairs.

Also pins the C++ `EXTENDS` retarget this PR's reorder produces.
`cpp-two-phase-dependent-base-cross-ns-deep` declares a global `Inner` decoy
alongside `ns:🅰️🅱️:Inner`; the base's `qualifiedName` is a bare `Inner` with the
path on `namespacePrefix`, so only the prefixed key separates them, and only if it
runs first. The improvement was riding unasserted in a Rust-scoped PR.

The captures golden covers every `rust-*` fixture, so the three fixtures added by
this review series drift it; regenerated with UPDATE_GOLDEN=1.

Verified: 785 tests across cpp / csharp / rust resolvers and the
callable-id-lockstep unit test.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* fix(rust): keep a mod declared inside a fn from hoisting above the callable (#2745 review)

`fn wrapper() { mod helper { fn dispatch } }` minted
`Function:<file>:helper.wrapper.dispatch@2:8` — the mod segment composed OUTSIDE
the enclosing-callable prefix, inverting the real nesting.

Nothing dangled: the `@line:col` suffix already makes a function-local callable's
id unique, which is also why the mod segment adds no identity in this position. The
path simply read as a lie about the source. It is now skipped rather than
reordered — interleaving two qualifier passes to fix the order would be real
machinery for a shape whose ids are already unique.

Also folds in the three documentation and structure findings from the same review:

- The 4-clause gate is extracted to a named `qualifiesByEnclosingModScope`, matching
  the two conditions directly above it in the same function, which were already
  named consts.
- `qualifyByEnclosingModScope`'s docblock documented only the impl-target contract
  even though the generalized name has had a second, looser caller since #2742. It
  now states both, and says which gate belongs to which — that gap is what let the
  #1975 scoped-impl regression through in the first place.
- The "cheap rejection BEFORE any index work" comment was no longer true:
  `passIndexFor` walks the def index on its first call in a pass. Corrected rather
  than left to mislead the next reader into thinking the filter is free. What it
  still buys — skipping the per-site candidate search, the part that scales with
  the workspace — is stated instead.

Verified: 279 tests across the Rust resolver suite and the Rust scope-resolution
unit tests. Captures golden regenerated for the extended fixture.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* test(storage): move main's SCHEMA_BUMP pin to 32 for the mod-qualified ids (#2745 review)

`#2736` added a pin asserting `SCHEMA_BUMP === 31` on main, which arrived on this
branch through the merge of main while `0062a5c2` had already bumped the constant
to 32. Neither side conflicted textually — the pin and the constant live in
different files — so the merge was clean and the test failed instead.

That is the pin working as designed: it exists so a bump cannot ride along
unnoticed, and this is the fifth time a SCHEMA_BUMP collision has been caught by a
guard rather than by review. Updated to 32 with the reason recorded inline.

`INCREMENTAL_SCHEMA_VERSION` needs no second bump: 25 was introduced by this
unmerged branch, so no released index carries it, and its own pin in
`call-summary-schema-version.test.ts` is already consistent.

Verified: 119 tests across the parse-cache, schema-version, incremental-orchestration
and the two identity suites that arrived with the merge.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

* test(bench): rebaseline the Rust capture fingerprint for the three new fixtures (#2745 review)

CI caught what I missed:

    [scope-capture --check] FAIL: rust: capture fingerprint drift
      (got 05acbaca..., expected 90fda086...)   fixture_count 202

`bench/scope-capture` fingerprints the whole `rust-*` fixture corpus, so the three
fixtures added by this review series drift it. I rebaselined the
`rust-captures-golden` snapshot and stopped there — a new fixture is a call site of
BOTH, and updating only one is how this reached CI red.

This is the same class as PR #2743's headline finding, from the other direction: an
id-shape change makes every synthetic corpus a call site, and the author fixed the
unit-test fixture and missed the bench. Here it is a fixture-count change rather
than an id-shape change, and the review that flagged the #2743 lead as "REFUTED,
bench/ has no Rust node-id corpus" was right about node ids and wrong about the
corpus fingerprint. Noted for the next author in the baseline entry itself.

Verified as pure corpus growth rather than a capture-logic shift: removing ONLY the
three new fixture directories and re-running reproduces the prior fingerprint
exactly (196 fixtures, capture_groups_fp 3432), and restoring them gives the new
one (202, 3556). `emitRustScopeCaptures` is untouched by this series. Scaling 1.022
local / 1.057 CI, well inside the 1.5 budget.

`bench/python-scope` globs `python-*` only and is unaffected; no other bench walks
the Rust corpus. `--check` now PASSes for all 15 languages.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019GvVxWt1ShhEP8CiMj3b6Z

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-30 17:08:00 +01:00
azizur100389
e723f3c2ee
fix(scope-resolution): parse def coordinates after file paths (#2743)
* fix(scope-resolution): parse def coordinates after file paths

Anchor coordinate parsing to the known file path so coordinate-like path fragments and private symbol names cannot corrupt closure attribution.

* fix(bench): use production definition ids
2026-07-30 07:34:32 +01:00
azizur100389
bee3e82ab2
test(scope-resolution): guard closure identity invariants (#2748) 2026-07-30 05:34:21 +01:00
Gergő Magyar
bc76ba2f25
fix(resolution): type inline constructor receivers in every spelling (#2708) (#2737)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
* fix(resolution): resolve constructor-expression receivers (#2708)

`Service(db).do_work()` emitted no CALLS edge, so the caller was missing
from `impact(direction: "upstream")` and `context()` while the two-step
spelling of the same call (`s = Service(db)` then `s.do_work()`) resolved.

The receiver reaches `resolveCompoundReceiverClass` intact — Case 0 in
`receiver-bound-calls` routes it there because the text contains `(`. The
free-call branch then only knew one shape: a function whose return-type
binding names a class. A class has no return-type binding, so `Service`
resolved to nothing and the member call was dropped.

Handle the constructor shape: in languages that construct without a `new`
keyword (Python, Kotlin, Swift, Scala) a free call naming a class IS a
constructor call, so the expression's type is that class. The existing
return-type path still runs first and wins, keeping this strictly
additive — `new`-keyword languages never reach the new line because their
receiver text keeps the keyword (`new Service(db)`), which matches no
class binding.

Verified on the issue's 4-file repro: `route_inline` now emits
`CALLS → Service.do_work` and `impactedCount` goes 1 → 2.

Note the issue's second ask — degrading `epistemic` to `lower-bound` when
a receiver goes unresolved — is NOT addressed here.
`computeEpistemicBoundary` keys only on the target's own heritage edges
and runs at query time against the index, while unresolved references
live in an in-memory `resolutionOutcomes[]` that is never persisted. That
needs unresolved-receiver counts in the index first, so it is left for a
follow-up.

Tests: new `python-inline-constructor-receiver` fixture plus three
integration cases (inline resolves, two-step still resolves, no
cross-class fan-out). Two of the three fail without the source change.
Full `test/integration/resolvers` suite passes (2928 tests) — the fix is
shared across every language, so no-regression coverage matters more than
the new cases. Python captures golden regenerated: additions only, no
existing digest changed, confirming capture output is untouched.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* refactor(resolution): state the construction rule once, cover every spelling (#2708)

The first commit fixed `Service(db).do_work()` by special-casing a bare
class-name callee inside the free-call branch of the compound receiver
resolver. That was the right rule in the wrong place: it covered one
surface syntax out of three, and asserted rather than declared which
languages it applied to.

Probing the same shape across languages showed the bug is wider:

  | spelling               | languages          | dropped before? |
  |------------------------|--------------------|-----------------|
  | `Service(db).m()`      | Python             | yes             |
  | `new Service(db).m()`  | JS/TS, Java, C#    | yes             |
  | `Service.new.m()`      | Ruby               | yes             |
  | both forms             | PHP, Swift, Dart,  | no — already    |
  |                        | Kotlin             | resolved        |

So the rule is stated once — "constructing a class yields an instance of
that class" — and the per-language surface syntax is declared through a
new `ScopeResolver.constructionSyntax` hook, matching how this file
already gates language-varying behaviour (`stripReceiverCastExpressions`,
`hoistTypeBindingsToModule`). Shared pipeline code names no language.

  - `bare: true`      — Python
  - `keyword: 'new'`  — JS/TS, Java, C#
  - `selector: 'new'` — Ruby, including the parenthesis-less `Service.new`
    spelling that reaches the chain walker rather than the call branch

Opt-in is per-language for two reasons. Correctness: `bare` would mistype
`stat(&st).field` in C, where a struct and a function may share a name.
Evidence: PHP, Swift, Dart and Kotlin resolve this shape already, so they
stay unwired instead of carrying a declaration that changes nothing —
each verified by diffing analyzer output between builds with and without
the change, not assumed.

The keyword gate also keeps a bare factory call honest: in a `new`
language, `makeOther(db).doWork()` still resolves through the factory's
return type and is never read as constructing a same-named class.

Tests: TypeScript fixture (inline `new`, a plain `.js` file for the
javascript provider, two-step, and the factory guard) and a Ruby fixture
(`Service.new` with and without an argument list, plus two-step). With
the source change stashed, the inline cases fail and the factory/two-step
cases still pass. The Python cases from the first commit are unchanged.

No Kotlin fixture: its cases passed without the change, so they would
document coverage this commit does not provide.

Full `test/integration/resolvers` + `test/unit/scope-resolution`: 4234
passed, 1 skipped. Ruby captures golden regenerated — additions only, no
existing digest changed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(resolution): only treat a construction selector as construction on the class itself (#2708)

The `selector: 'new'` rule fired on any receiver whose type was class-like,
which is true both when the receiver IS the class constant (`Factory.new`) and
when it is a value of that class (`factory.new`). `isClassLike(...)` cannot
tell those apart, so an instance receiver took the construction path too and
skipped the member lookup that should have run.

That replaced a CORRECT edge with a wrong one. Measured against the base build
on a class defining an instance method `new` returning a `Product`:

  factory = Factory.new; factory.new.run
    before this PR:  Product#run   (correct)
    after  this PR:  Factory#run   (wrong)

Track whether resolution currently sits on the class constant or on a value of
that class, and apply the selector rule only to the former. The head of a chain
is a class constant only when it resolved straight to a class binding rather
than through a typeBinding; every hop past it yields a value, so the flag
clears. The `obj.method()` branch derives the same fact from whether `objExpr`
is a bare name resolving to that class.

`Factory.new.run` keeps the behaviour this PR introduced (Factory#run), which
is itself a fix over the base build's Product#run.

KNOWN LIMITATION, now documented on the contract field and asserted by a test
so a future change to it is deliberate: a class-level override
(`def self.new` returning another type) is still read as construction. The
scope model records no staticness per member, so `def new` and `def self.new`
are indistinguishable at this layer; separating them needs the language
provider to record staticness first. An earlier attempt to use
`TypeRef.source` as a proxy was abandoned after tracing showed Ruby records
body-inferred return types as `return-annotation` too, so it does not
discriminate.

Tests: `ruby-construction-selector` fixture pins all three shapes — class
constant, instance receiver, and the documented class-level-override
limitation. Ruby resolver suites: 185 passed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(resolution): resolve generic construction receivers (#2708)

`new Box<string>().unwrap()` reached the class lookup as `Box<string>`, which
names no class binding, so the member edge was still dropped while the
non-generic spelling resolved. `new Foo<T>()` is ordinary in all three
keyword-wired languages, so the fix covered a materially narrower slice of
real code than intended.

Retry the lookup on the base name via `stripTemplateArguments` — the same
normalization `resolveClassBindingForName` already applies to typed receivers
in the sibling `receiver-bound-calls` pass. The exact-name lookup still runs
first, so a class whose name legitimately contains `<` is unaffected.

Measured on the probe that first showed the gap:

  before: | viaGeneric | Class:src/box.ts:Box |            (construction edge only)
  after:  | viaGeneric | Method:src/box.ts:Box.get#0 |     (member edge resolved)

Tests: `viaGenericCtor` added to the typescript-inline-constructor-receiver
fixture, asserting both the target file and that the resolved id is `Box`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(resolution): resolve construction in the chain-head position (#2708)

`new Service(db).inner.deep()` emitted only the construction edge. The chain
walker seeds its starting class from the head segment, which arrives as
`new Service(db)` and reduces via `stripCallParens` to `new Service` — no
binding and no class of that name, so the walk was never seeded and every
segment after it resolved to nothing.

Seed the head through the same construction rule the call branch already uses.
A constructed value is an instance, so the class-constant flag from the
previous commit correctly stays false — `new Factory().new` does not get the
selector treatment.

The gap was asymmetric across the languages this PR wires: Python's bare form
strips to a plain `Service` and was already seeded, so only the keyword
languages were affected.

Tests: `viaChainHead` added to the typescript-inline-constructor-receiver
fixture. Note the fixture annotates `readonly inner: Inner` explicitly —
with an unannotated initializer the walk stops at the field, which is
field-type inference and a separate concern from head seeding.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(resolution): match the construction keyword by token, not by one space (#2708)

The keyword form was matched with `startsWith(`${keyword} `)`, so only a
single space separated `new` from the type. Any other trivia the source used
— a tab, a line break — failed the match and the member-call edge was lost.

Match the keyword as a whole token followed by one or more whitespace
characters instead. `newService()` still fails the match, which is the point:
it is an ordinary call, not a construction, and must keep resolving through
its own return type.

The keyword is escaped before it enters the pattern. It comes from a language
provider rather than from user input, but a keyword containing a regex
metacharacter would otherwise build a silently wrong pattern.

Tests: tab-separated and newline-separated `new` added to the
typescript-inline-constructor-receiver fixture. Note these cases only survive
because `gitnexus/test/fixtures/` is listed in the repo-root `.prettierignore`
— running prettier from inside `gitnexus/` does not pick that file up and
normalizes the tab away.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(resolution): resolve qualified construction callees (#2708)

`new ns.Service().doWork()` emitted only the construction edge. The call
branch splits the callee at its last `.` before construction is considered,
so a qualified type name was routed into `obj.method()` resolution as if
`ns` were a receiver and `Service` a member.

A keyword-marked expression is never a member call, so resolve it as
construction before the split. The callee lookup now also handles a dotted
name: an unambiguous `qualifiedNames` match first, then the trailing simple
name, mirroring how receiver resolution elsewhere in this pass degrades.

Measured:

  before: | viaQualified | Class:src/svc.ts:Service |            (construction only)
  after:  | viaQualified | Method:src/svc.ts:Service.doWork#0 |

Bare-form qualified construction (Python `models.User(db).save()`) is NOT
addressed here: that shape currently emits no edges at all, including no
construction edge, so it is a namespace-import resolution gap upstream of
this pass rather than a construction-typing one.

Tests: `viaQualifiedCtor` added to the typescript-inline-constructor-receiver
fixture.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* fix(java): drop the unreachable constructionSyntax declaration (#2708)

Java was wired `{ keyword: 'new' }`, and the PR described it as one of the
languages that needed the fix. Measuring both ways shows it never did: Java
resolves `new Svc().doWork()` identically with and without the change,
because `java/captures.ts` (#2564) already rewrites an
`object_creation_expression` receiver to the constructed type's simple name,
so the raw `new Svc()` text never reaches this resolver.

The decisive evidence is generics: Java resolves `new Box<User>().doWork()`,
which the keyword path could not do before the template-argument fix earlier
in this series — the resolution demonstrably comes from the capture rewrite,
not from here.

Removing the declaration rather than leaving it as defensive configuration:
an unreachable per-language opt-in reads as coverage that does not exist, and
the contract now records why Java is excluded so the omission is not mistaken
for an oversight.

Verified after removal: the Java probe still resolves both the inline and
two-step spellings, and the Java resolver suites pass (252 passed, 1 skipped).

An earlier coordinator measurement in this review claimed Java WAS broken on
base; that comparison was invalid (the "without fix" build had not been
rebuilt). Corrected here.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* refactor(resolution): state the selector rule once and derive its option type (#2708)

Two follow-ups from review, no behaviour change (643 resolver tests pass
unchanged before and after):

The `Class.new` selector rule was written out twice — in the `obj.method()`
branch and again in the chain walker — against differently named locals,
while the construction helper's own doc comment claimed the rule was stated
in exactly one place. Both sites ask the identical question, so they now call
one `isConstructionSelectorHop` predicate, and the doc comment says what is
actually true.

`ResolveCompoundReceiverOptions.constructionSyntax` re-declared the contract's
object shape by hand. It was the file's first object-shaped duplicate, and
because the value arrives as a non-literal variable, TypeScript's excess
property check would not fire: a sub-field added to the contract later would
type-check and then be silently ignored here. It is now derived with
`ScopeResolver['constructionSyntax']`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* test(resolution): cover the C# construction path and pin the wiring inventory (#2708)

Three coverage gaps from review, no behaviour change.

C# had no fixture despite being the only keyword-wired language whose
behaviour genuinely depends on the construction rule — measured absent on base
and present on head. `csharp-inline-constructor-receiver` covers the inline
spelling, the two-step spelling, and a static factory that must keep resolving
through its return type rather than being read as construction.

The TypeScript two-step assertion checked only `toContain('Service')`, and the
same fixture defines `LegacyService` — `'LegacyService'.includes('Service')` is
true, so the assertion could not distinguish the two targets. It now pins
`targetFilePath` the way its sibling assertions already do.

Nothing guarded the deliberate opt-in set, so an accidental wiring of a
language that already resolves the shape, or a silent loss of one that needs
it, would pass the whole suite. `construction-syntax-wiring.test.ts` pins the
inventory in both directions: exactly which languages declare
`constructionSyntax` and with which spelling, and that java/php/swift/dart/
kotlin stay unwired.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* chore(storage): bump INCREMENTAL_SCHEMA_VERSION to 23 for the #2708 edge changes

This series changes which CALLS edges are emitted for source whose CONTENT has
not changed — inline constructor receivers that previously emitted nothing now
resolve, and the Ruby selector fix moves one edge back to the member it always
belonged to. That is precisely the class of change the version-history block in
this file requires a bump for, and the reuse gate is a strict equality on the
persisted stamp.

Without it, every existing v22 index passes the gate on the next `analyze` —
or is served by the same-commit "already up to date" fast path — and keeps
returning the pre-fix graph for unchanged files. `impact(direction: "upstream")`
and `context()` would go on omitting the very callers #2708 is about, with no
warning, until something unrelated forced a full re-analyze. The fix would
have shipped without reaching anyone who already had an index.

Precedent is unbroken across the recent resolution PRs: #2723 → v22,
#2699 → v21, #2695 → v20, #2563 → v14, each with its own rationale paragraph.
This adds v23 in the same form.

The pinned assertion in call-summary-schema-version.test.ts moves with it, as
that test documents it is designed to.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* chore(bench): re-baseline the fixture-corpus fingerprints for #2708

Both bench harnesses fingerprint an entire fixture corpus by directory prefix
(`bench/python-scope/measure.mjs:38`, `bench/scope-capture/measure.mjs:76`), so
every fixture directory this series adds moves a committed baseline. Neither
script writes the baseline itself — running without `--check` only prints, and
the file is edited deliberately, which is what its own comment asks for.

Regenerated, last in the series so the fixture set was final:

  bench/python-scope/baseline-fingerprint.txt   36e29abc… -> f120df92…
  bench/scope-capture/baselines.json  ruby       070e4e11… -> fea3edf8…
                                      typescript 281e9548… -> cad25be9…
                                      csharp     e05dc274… -> 05a85bae…

CI only ever reported the python drift, because the benchmarks job runs the
python step first and aborts there; the cross-language step never ran. Both
were verified locally after the update:

  [measure --check] PASS (capture fingerprint + scaling)
  [import-target-fingerprint --check] PASS (resolver fingerprint)
  [scope-capture --check] PASS (15 languages)

The `csharp` and `ruby` entries moved because of the fixtures added earlier in
this series, not the original ones — a reminder that this baseline moves with
any fixture addition, not just the one that first triggered it.

Captures goldens regenerated alongside (csharp, ruby); both additive only, no
existing digest changed. The python golden did not move: no `python-*` fixture
was added after its last regeneration.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RqnsJK3Cnbu3bjdZbzgMMP

* Update tests for passesReuseGate function

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-29 16:19:53 +01:00
Gergő Magyar
df06529950
fix(rust): resolve module-qualified calls against the module tree (#2730) (#2741)
* fix(rust): resolve module-qualified calls against the module tree (#2730)

A Rust call written with a path (`tools::dispatch(..)`) was captured with only
its tail identifier, making it indistinguishable from a bare `dispatch(..)`.
The scope-chain walk then resolved the bare name lexically and bound it to
whatever `dispatch` was nearest — which, for the common wrapper idiom

    fn dispatch(..) -> ToolOutcome { tools::dispatch(..) }

is the wrapper itself. The graph gained a self-loop, the real cross-module edge
never existed, and `impact` reported the callee as unreached: the issue's
repository showed its central tool dispatcher as `risk: LOW` with 0 affected
processes and both "callers" being `#[cfg(test)]` functions, while still
labelling the result `epistemic: "exact"`.

Resolve paths the way rustc does, over the module tree rather than the
filesystem:

  - `mod_item` now emits `@declaration.namespace`, so a Rust module is a named
    definition rather than an anonymous scope region. This mirrors the existing
    C++ `namespace_definition` capture and lets the shared `tagNamespacePrefixes`
    pass stamp members with their enclosing module path — that pass needed no
    changes to start working for Rust.
  - `module-path.ts` reconstructs the other half of the tree: crate roots are
    directories holding `main.rs`/`lib.rs`, and a file's module path is its
    location below that root. A definition's module is its file's module plus
    any enclosing `mod` blocks.
  - `crate::`, `self::` and `super::` are prefix transforms on the calling
    module, not reasons to stop resolving.
  - The final path segment is looked up as a member of the resolved module,
    including members it only re-exports. A `pub use` creates no binding on the
    re-exporting module's own scope, so re-exports are followed through that
    module's import edges.

Resolution runs ahead of the implicit-`this` and scope-chain tiers, so an
explicit path outranks a lexical shadow, and returns undefined on an unknown
module, a missing member or a tie — leaving the existing chain untouched. The
new `ScopeResolver.resolveQualifiedFreeCall` hook is optional and unset for
every other language, so this is additive.

Fixes the reported case (direct callers 2 -> 3, impacted 2 -> 6, the Agent
module now visible) plus multi-segment paths, `super::` paths and `pub use`
facades, each of which previously produced a wrong edge.

Known limitation, pre-existing and unchanged by this commit: an inline
`mod inner { fn dispatch }` and a crate-root `fn dispatch` in the same file
collapse to one graph node, because node identity is `<file>:<qualifiedName>`
and does not carry the module path. That is a separate defect requiring
module-path-qualified node ids and an incremental-schema migration.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* test(rust): rebaseline the scope-capture fingerprint for the module-tree captures

`mod_item` now emits `@declaration.namespace` and scoped call sites carry
`@reference.qualified-name`. Both are additive, so every bench fixture holding a
`mod` block or a `Foo::bar()` call gains capture groups, and the corpus grew by
the three `rust-2730-*` fixtures.

Only the Rust fingerprint moves. The other 14 languages are byte-identical,
which is the intended blast radius for a language-local capture change.
Scaling stays linear at 1.043, well inside the 1.5 budget.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): carry crate identity in qualified module paths (#2741 review H1)

A module was identified by its path segments below a crate root, so
`crates/alpha/src/tools.rs` and `crates/beta/src/tools.rs` were the same module.
A cargo workspace routinely gives several members the same internal module name
— `util`, `error`, `config`, `types` are near-universal — and that made
qualified resolution do one of two wrong things:

  - where only one member defined the called name, the call bound ACROSS crates;
  - where both defined it, the lookup saw two candidates, refused, and handed the
    site back to the lexical walk that emits the same-name self-loop. The fix for
    #2730 therefore switched itself off in exactly the workspace layouts it was
    written for, and #2730's own reported reproduction repository is multi-crate.

A module is now `{ crateRoot, segments }` and `sameModule` compares both. Rust
has no implicit cross-crate paths — reaching another crate requires naming it —
so two modules in different crates are never the same module. Anchored paths
(`crate::`, `self::`, `super::`) resolve inside the caller's own crate and
inherit its root.

Covered by a two-member workspace fixture where both crates define
`tools::dispatch` behind a same-name wrapper, plus unit tests for the path
arithmetic itself, including the branches no fixture reaches (a file under no
crate root, a `super::` chain walking above the crate root).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): count only module members when resolving a qualified call (#2741 review H3)

Module membership was inferred from the file path alone, so any callable in the
right file counted as a member of the module. A `fn` nested inside another `fn`
has the same `filePath`, the same bare `qualifiedName` and no owner, making it
indistinguishable from a module-level item:

    pub fn dispatch() -> usize { 3 }              // the real member
    pub fn wrapper() -> usize {
        fn dispatch() -> usize { 99 }             // counted as a second member
        dispatch()
    }

Two candidates tie, the lookup refuses, and the call falls back to the lexical
walk that emits the same-name self-loop — so an unrelated local helper anywhere
in a module silently reinstated #2730 for every qualified call into it.

The scope model already draws the line exactly: a module-level item is bound
with `origin: 'local'` in its module's own scope, a function-local item binds in
the enclosing Block, and an `impl`/trait method binds in the Class scope.
Membership is now that binding lookup rather than a path comparison.

Inline-`mod` members bind in their Namespace scope rather than the file's Module
scope, and reaching it would mean walking every child scope — faulting them back
in from disk on the out-of-core path. They keep being identified by the
`namespacePrefix` the shared tagging pass stamps on them, which a file-module
member never carries. The documented residual is a `fn` nested inside a `fn`
inside an inline `mod`, which inherits that prefix; that is strictly smaller than
before and costs a refusal, never a wrong edge.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): require a use-binding to name a module, not a type (#2741 review H2)

Import resolution deliberately strips a trailing symbol segment when probing for
a file — "the last segment might be a symbol (function, struct, etc.), not a
module. Strip it and try again" (import-resolvers/rust.ts). So
`use crate::client::ClientBuilder;` also resolves to `client/mod.rs`.

The qualified-call resolver took that at face value and treated the imported
TYPE as the module `client`. Rust impl methods carry a bare `qualifiedName`, so
`ClientBuilder::new()` was then looked up among `client`'s module members and
bound to an unrelated module-level `new` — turning an unresolved site into a
false edge, which the module's own contract calls the worse outcome.

A binding now has to name the module it resolved to. The edge's
`targetExportedName` is the tail of the written path, so comparing it against the
resolved module's own tail separates the cases exactly:

    use crate::tools;                 tail `tools`         module ['tools']    accept
    use crate:🅰️:b as tools;         tail `b`             module ['a','b']    accept
    use crate::tools::{self, Ctx};    tail `tools`         module ['tools']    accept
    use crate::client::ClientBuilder; tail `ClientBuilder` module ['client']   reject

Covered by a fixture where `client/mod.rs` deliberately holds both
`impl ClientBuilder { fn new }` and a module-level `fn new`, so a regression
re-binds to the wrong one, plus a control asserting a genuine `client::new()`
module qualifier still resolves.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): give src/bin targets their own crate root (#2741 review)

Cargo auto-discovers a binary target for every `src/bin/<name>.rs`. Each is a
separate crate with its own `crate::` root, and its submodules live under
`src/bin/<name>/`.

Only `main.rs` and `lib.rs` established a crate root, so those entry files were
folded into the surrounding library and given the invented module path
`bin::<name>`. That made `crate::helper()` inside a binary resolve into the
LIBRARY's `helper` — and unlike the other findings in this review, this one
downgraded an edge the lexical walk had previously resolved correctly, so it
made existing output worse rather than merely failing to improve it.

`src/bin/<name>.rs` is now its own crate root (as is the `src/bin/<name>/main.rs`
directory form), so a binary's modules and the library's modules of the same name
are no longer the same module.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): only try a submodule candidate the caller actually declares (#2741 review)

The first candidate module was `callerModule ++ qualifier`, yielded before the
`use` channel and never checked against anything. That let file layout outrank a
real import: with `use crate::b;` in `src/a/mod.rs` and an undeclared — or
`cfg`-gated — `src/a/b.rs` present on disk, `b::f()` bound to the sibling file,
where rustc resolves it to `crate::b`.

A `mod` declaration, inline or file-backed, emits a `Namespace` def bound locally
in the declaring scope, so the candidate is now gated on that binding rather than
assumed. When the caller does not declare the submodule the candidate is skipped
and the `use` and crate-root channels still run, so this only removes guesses.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): follow only real re-exports, and refuse on an ambiguous one (#2741 review)

Two problems in the re-export channel.

A private `use` was followed as though it re-exported. `use crate::tools::helper;`
makes `helper` visible INSIDE the module; it does not put it on the module's
public surface, so `facade::helper()` does not compile. Only `pub use` does, and
finalize already distinguishes them — `reexport` for `pub use`, `named` for a
private one. The `alias` kind is now accepted alongside `reexport`, because
`pub use x::y as name` is a re-export that was previously ignored entirely.

The lookup also took the first matching edge in file-iteration order, which is
parse-pool order. Two `cfg`-exclusive facades re-exporting the same name are
indistinguishable at this layer, so picking one baked a coin flip into the graph.
It now refuses on a genuine tie, consistent with how member lookup already
behaves.

The pre-existing limitation that only FILE modules are reachable — a `pub use`
inside an inline `mod facade { … }` has no `moduleScopeByFile` entry — is now
stated in the code. Reaching those would mean walking every child scope and
faulting the scope tree back in from disk, which is the cost that index exists to
avoid; a miss falls through to the unchanged chain rather than guessing.

The regression test deliberately makes the re-exported name globally ambiguous.
Without that, the pre-existing unique-global free-call fallback resolves the call
on its own and the assertion passes whatever this channel does.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* perf(rust): stop type-qualified calls paying for module resolution (#2741 review)

The capture carrying `rawQualifiedName` matches every `scoped_identifier`
callee, so this hook was reached by `Vec::new()`, `String::from()`,
`Self::method()` and every other type-qualified call — the overwhelming majority
of `::` calls in real Rust, none of which name a module. Each one ran the full
candidate search before returning undefined, and every candidate that missed then
walked all of `workspaceIndex.moduleScopeByFile`. Total cost grew as
`qualified-call-sites x files`; two independent measurements put per-site cost at
0.117 -> 0.428 ms across 301 -> 1201 files, i.e. linear in workspace size.

Two changes:

  - The module index now carries a flat set of every module segment name in the
    workspace, and a qualifier whose head matches none of them is rejected before
    any candidate work. Measured at 0.02 us per rejected call and flat in file
    count (500 -> 8000 files), against a previously linear per-site cost.

  - Module scopes are indexed by module identity once per pass rather than
    rediscovered by scanning every file per candidate. On the out-of-core scope
    index that scan was worse than CPU: `moduleScopeByFile` fetches through
    `scopeTree.getScope`, so a full sweep could fault every module scope back in
    from disk — the pattern `workspace-index.ts` added `exportedCallableByName`
    to avoid. Given the #2649 and #1871 history this mattered before merge.

The captures golden is regenerated for the fixture files added earlier in this
series; `emitRustScopeCaptures` itself is unchanged by this commit.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(storage): bump schema versions so the #2730 fix reaches existing indexes

Neither invalidation constant was bumped, so the fix did not reach the users who
reported the bug.

`INCREMENTAL_SCHEMA_VERSION` 22 -> 23. The incremental write set only covers
CHANGED files, so a top-up against a pre-v23 index keeps the wrong self-loop —
and keeps reporting the callee as unreached — for every unchanged Rust file. The
constant's own doc block states this rule, and the precedent is exact: v11 is the
same file (`rust/query.ts`) gaining a capture that changes CALLS edges, with the
same "force a full re-analyze" contract, and v12 is a second Rust instance.

`SCHEMA_BUMP` 30 -> 31. `@declaration.namespace` and `@reference.qualified-name`
are parse-time captures, so a warm parse cache replays the old capture set
verbatim: `rawQualifiedName` comes back undefined and no Namespace def exists to
hang a module prefix on, turning the entire resolution tier into a no-op on
unchanged files. `PARSE_CACHE_VERSION` folds in the package version, so a tagged
release would have invalidated eventually — but source, dev and CI builds at the
same version would not, and the v29 note already warns that relying on someone
else's bump is how a change ships with no invalidation at all. Re-checked against
origin/main at commit time, as that note instructs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(scope-resolution): let a language opt out of the already-namespaced guard (#2741 review)

`tagNamespacePrefixes` skips a def whose `qualifiedName` already equals, or is
prefixed by, its enclosing namespace path. That is right for C++ and C#, where
the qualified name genuinely carries the namespace.

Rust qualified names never do, so the guard fired on a coincidence: in
`mod a { pub fn a() }` the member's name equals its module's name, the prefix was
skipped, and `moduleOfDef` then reported the member as belonging to the PARENT
module. `crate:🅰️:a()` refused, and the def became indistinguishable from a
crate-root `fn a` for the module matcher.

The guard is now conditional on a `qualifiedNamesCarryNamespace` option that
defaults to the existing behaviour, and Rust opts out. The shared pass stays
language-neutral — the decision lives with the provider that knows what its own
qualified names contain.

C++ and C# resolver suites pass unchanged alongside the Rust ones (600 tests).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* fix(rust): refuse a leading :: path instead of reading it as relative (#2741 review)

A leading `::` anchors at the extern prelude: `::tools::dispatch()` names the
CRATE `tools`, not a module of the current one. The path split filtered the empty
leading segment away, which silently reinterpreted the path as relative and let
it resolve against a local module that happens to share the name.

Extern crates are outside the workspace module tree, so the qualified tier now
refuses and leaves the site to the unchanged chain.

The regression test asserts the tier does not bind into the local `tools` module,
rather than asserting no edge at all: the lexical tier still resolves the bare
tail on its own, and that behaviour is not what this change governs. Asserting an
empty edge list would have been testing a different tier.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* refactor(rust): reuse the canonical callable predicate and drop dead re-exports (#2741 review)

`CALLABLE_TYPES` was a local copy of the set behind `isOverloadableCallable` in
`utils/callable-labels.ts`. Two copies of the same set drift: extending the
canonical one with a new callable kind would silently leave qualified calls of
that kind unresolved here, with nothing to catch it. Use the shared predicate.

The trailing `export { moduleOfFile, moduleOfDef }` and
`export type { ScopeResolutionIndexes }` were commented as being "for the
resolver's unit tests". No test imports them: the only importer of this module
anywhere in src or test is `rust/scope-resolver.ts`, which takes just
`resolveRustQualifiedFreeCall`. Both functions are already exported from
`module-path.ts` (where the new unit tests take them from), and
`ScopeResolutionIndexes` is canonically exported from
`model/scope-resolution-indexes.ts`. Removed rather than left as surface that
implies a contract it does not have.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* test(rust): rebaseline the scope-capture fingerprint with the correct prior hash

The rebaseline note added with the original fix cited
`Prior 655aed01…`, which was two rebaselines stale — it predates both #2604 and
#2714. The true pre-PR value on the base commit is `7f1240b3…`. CI could not
catch it: the gate compares the live fingerprint against the stored one and never
reads the prose, so the audit chain these notes exist to provide was broken with
nothing to flag it.

The note now carries the correct prior value, and the fingerprint is regenerated
for the fixtures this review series added. Scaling 1.061, well inside the 1.5
budget; fixture_count 196; the other 14 languages remain byte-identical.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

* test: move the schema-version pin to 23

`call-summary-schema-version.test.ts` asserts the exact value of
`INCREMENTAL_SCHEMA_VERSION` and enumerates which stamped versions the
incremental reuse gate accepts. It moves with every bump by design — that pin is
what stops an id- or edge-changing commit shipping without invalidation.

Updated for the bump to 23, with the pre-v23 case added to the reuse-gate table:
a v22 index predates Rust module-qualified call resolution, so every unchanged
Rust file would keep the same-name self-loop and keep reporting the real callee
as unreached.

Caught by CI rather than locally, because the earlier sweeps in this series
covered `test/integration/resolvers/` and `test/unit/scope-resolution/` only —
the pin lives outside both.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5nWP4BFeBSjbQ3uqAjtxV

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-29 13:41:47 +01:00
azizur100389
79ff44dfa9
fix(config): honor parts negation on Windows (#2720)
Some checks failed
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Skill copy sync / shipped skills drift guard (push) Has been cancelled
Normalize repository-relative paths before applying ignore-package rules so `.gitnexusignore` negation can override hardcoded `parts` exclusions during Windows traversal.

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
2026-07-28 20:04:34 +01:00
Void Freud
7be6d29ca0
fix: require repo in multi-repo MCP tool schemas (#2717)
* fix: require repo in multi-repo MCP schemas

* style(mcp): fix server test formatting

* chore(autofix): apply prettier + eslint fixes via /autofix command

* test(mcp): cover repository schema policy

---------

Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-07-28 20:04:04 +01:00
Abhigyan Patwari
ee9987fdc5
Merge pull request #2719 from voidfreud/fix/configurable-embedding-timeout
fix: allow slower remote embedding responses
2026-07-29 03:46:37 +09:00
Gergő Magyar
89ea233e10
fix(js): index CommonJS exports.foo = function () {} exports (#2723) (#2729)
* fix(js): index CommonJS `exports.foo = function () {}` exports (#2723)

Functions assigned to an `exports` / `module.exports` property were not
indexed at all. On a CommonJS codebase — the dominant pre-ESM Node style
(Express, Firebase Functions) — the graph held every internal helper and
missed the entire public API: `impact({target: 'areVariablesValid'})`
answered `Target not found` for the one symbol whose blast radius mattered.

The gap had two halves, and fixing either alone leaves the feature broken:

1. `tree-sitter-queries.ts` carried `@definition.function` rules for every
   declaration form and every variable-binding closure form, but none for
   `assignment_expression` — so no `Function` node was created.

2. The scope-resolution queries (`languages/{javascript,typescript}/query.ts`)
   likewise had no `@declaration.function` for the shape. Adding only (1)
   moves `impact` from "not found" to "found, zero callers", because call
   resolution reaches a definition through the scope declaration, not
   through the graph node.

Both layers now carry the rule, for `function` / `async function` / arrow /
async arrow / generator right-hand sides, in JavaScript and TypeScript. The
receiver is pinned to `exports` / `module.exports` with `#eq?` predicates:
the general `X.foo = function () {}` shape also covers `Foo.prototype.bar`
and `this.handler`, which are member constructs with their own ownership
questions, and a broader rule would emit ownerless top-level Functions for
them. The declaration binds the bare property name into the module scope,
which is what importers see, so `const { foo } = require('./m')` matches by
name and a namespace `m.foo()` walks the module's defs.

Verified end to end: node emission for every listed form plus TS parity, and
CALLS edges for same-file `exports.foo()`, cross-file namespace `m.foo()`,
and cross-file destructured `require()`. The generator call-resolution case
was confirmed to fail against the pre-fix build before the rule landed.

Fixes #2723

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(js): stop the CJS export rule from shadowing a declared function (#2723)

Review of the previous commit caught a regression it introduced. The CJS
`@declaration.function` rules bind the exported property name into the module
scope — which is the point, since that is what importers resolve against. But
when the file ALSO declares that name lexically:

    function dup(v) { return v; }
    exports.dup = function (v) { return !v; };
    function callIt(v) { return dup(v); }

the module scope ends up holding two declarations named `dup`, the name is
ambiguous, and the resolver drops `callIt -> dup` entirely — an edge that
resolved fine before #2723. Confirmed by rebuilding both states: present at
ff86ccf1e, missing at f302916c. A silently missing caller is worse than the
gap #2723 set out to close; it is the impact-under-reporting class this repo
has been bitten by before.

The emitter now drops the CJS `@declaration.function` in exactly that case.
The lexical declaration already supplies the module-scope name, so importers
still resolve through it and intra-module resolution returns to its pre-#2723
behavior — verified by re-running the probe that found the regression.

Implemented at the established seam: a shared pure helper both capture
emitters import and apply at the existing `@declaration.function` filter,
mirroring `array-callback.ts` (#1876), which solves the same
"drop a spurious declaration emit-side" problem.

The module-scope name set is computed once per file and memoized per program
root in a WeakMap, rather than walked per export — a 1000-export CommonJS
module is precisely the shape #2723 was reported against, and the per-export
walk would be quadratic there. `tree.rootNode` was probed to confirm it
returns a stable object identity, so the memo actually hits; measured scaling
across 250/500/1000/2000 exports is linear.

Only the scope declaration is suppressed. The graph node comes from a
separate query and collapses onto the lexical declaration's node by name, so
no node is lost.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* perf(js): fold the CJS export RHS forms into one pattern per receiver

Benchmarking the #2723 rules found the only reproducible cost is tree-sitter
query COMPILE, paid once per worker process when the lazy Query singleton is
built. Steady-state per-file emit cost and memory proved to sit below the
measurement noise floor, so there is nothing to win there.

The six CJS scope-query patterns per language (3 right-hand-side forms x 2
receiver forms) collapse to two, folding the RHS forms into an inner leaf
alternation. Measured over 5 runs per build, variance under 1ms:

    query compile   base      before     after
    JavaScript      42.2ms    50.6ms     45.1ms
    TypeScript     116.5ms   136.4ms    123.3ms

That recovers ~65% of the added compile cost in both grammars — about 19ms
per worker process, so ~75ms on a 4-worker analyze — and removes 45 lines of
duplicated query text.

The alternation is deliberately the INNER LEAF form. tree-sitter 0.21.1 has a
known hazard where a top-level `[...]` alternation makes sibling branches
share a single predicate bucket, silently dropping matches with no compile
error (it has bitten this repo twice: #1904, #1912). Here every predicate
sits on a capture OUTSIDE the alternation — `@_cjs.exports` / `@_cjs.module`
are on the left-hand side and bound in every branch — which is the documented
safe shape. Verified rather than assumed: a probe asserts all six receiver x
RHS combinations still bind both `@declaration.function` and
`@declaration.name` in both grammars, and that `exportz.x` / `module.other` /
`Foo.prototype.bar` / `this.handler` / aliased `exports` are still rejected —
26/26 checks, so the predicate bucket is intact.

No behavior change: the graph output on a 600-file corpus is identical
node-for-node and edge-for-edge, and the 142 JS/TS integration tests plus
1299 scope-resolution unit tests are unchanged.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(js): index prototype and `this` member assignments as Methods (#2723)

Follow-up on the known limitations listed with the CJS export fix. Three of
them close here; the rest are recorded below with what they actually cost.

`Foo.prototype.bar = function () {}` is the dominant pre-ES6 method form — the
same population as the CJS exports this PR started with — and it was equally
invisible: no node at all, so `impact` could not reach a single prototype
method. `this.handler = function () {}` inside a constructor is its sibling,
and the pre-ES6 form of the closure-valued class field #2693 already models as
a Method.

Both now emit a `Method` with an owner edge:

    function Foo() {}
    Foo.prototype.bar = function (v) { return v; };
    // Method:f.js:Foo.bar,  HAS_METHOD Function:f.js:Foo -> Method:f.js:Foo.bar

The label comes from `provider.labelOverride` (Function -> Method) and the
owner from a sibling of `findObjectLiteralBindingInfo` — the helper that
already answers "this Method's owner is named by syntax, not by an enclosing
container" for object-literal methods. No new shared-code seam was invented.

Ownership resolves to what the file actually declares, so the edge points at a
node that exists: `function Foo` gives a `Function` owner, `class Foo` a
`Class` owner, and an owner the file does not declare
(`External.prototype.x = …`) claims NO owner edge rather than one pointing at
a fabricated node. A `this.x = fn` inside a class constructor needs none of
this — parse-worker resolves its owner from the enclosing class first.

Member ids qualify by owner (`Method:f.js:Foo.bar`). Without that, two
constructors in one file that each define `bar` collapse onto a single
`Method:f.js:bar` — the same identity collapse #2699 fixed for function-local
callables. Only the new prototype/`this` path qualifies, so object-literal
method ids are byte-identical to before.

Third fix, the orphan twin: `class Dup {}` plus `exports.Dup = function () {}`
emitted `Class:f:Dup` AND an unreachable `Function:f:Dup`. The scope
declaration for a shadowed CJS export is suppressed (previous commit), so the
node had nothing that could resolve to it; with a `function` of that name the
node collapsed by id anyway, but with a `class` the labels differ so it
lingered. `labelOverride` now returns null for that case and no node is
emitted.

## Still open, with measured cost

- Receiver-typed CALLS to a prototype method (`f.bar()`) do not resolve yet. A
  class method resolves because the class owns a scope the resolver attaches
  members to; a prototype assignment has no such scope, so this needs the
  scope layer to associate members with the constructor's type. Verified as a
  control that `new KlassC().meth()` does resolve, so this is specifically the
  missing half, not a general gap.
- `exports.fwd = lib.imported` still does not forward to the original
  definition — resolution/finalize-layer aliasing, reachable by no query rule.
  Note `exports.localFn = localFn` (declare-then-export, by far the more
  common idiom) ALREADY resolves and needed no work.
- Aliased `const e = exports; e.foo = fn` and module-top-level `this.x = fn`
  remain unindexed. The latter is only an export under CommonJS semantics; in
  ESM top-level `this` is undefined, so it needs a CJS gate rather than being
  applied to every `.js` file.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(js): index CJS exports assigned through an alias (#2723)

`const e = exports; e.foo = function () {}` exports `foo` exactly as
`exports.foo = fn` does, but no query can express "an identifier that happens
to alias the exports object" — the receiver is only knowable per file.

So the member-assignment rules now match ANY identifier receiver and the
emitters classify. A file's module-scope aliases (`const e = exports`,
`const m = module.exports`) are collected once per program root and memoized
beside the declared-name set, so the answer costs one top-level pass no matter
how many assignments ask.

The widening is only safe because the pruning is exact, and that is the risk
worth stating plainly: without it every `obj.handler = function () {}` in every
JS/TS file would emit a spurious top-level `Function` named `handler`. Both
layers prune:

  - graph nodes, in `labelOverride`: an assignment-anchored capture that is not
    a recognised shape returns null, so no node is emitted at all;
  - scope declarations, in both capture emitters: a receiver that is not the
    exports object declares nothing at module scope.

Verified on both sides. `obj.notAnExport`, `self.alsoNot` and
`localThing.nope` produce no node and no declaration, while an aliased export
resolves cross-file through both the namespace and destructured `require()`
forms.

## Cost

Re-benchmarked, because this widens a query the previous commit had just
optimized. Query compile over 3 runs: JavaScript 46.5ms, TypeScript 123.8ms —
+1.4ms and +0.5ms against the optimized state, since dropping the `#eq?`
predicates offsets the added patterns. Steady state on the assignment-heavy
corpus (200 files x 30 member assignments, the worst case for a widened
receiver) stays inside the +-4% noise band established earlier. Heap unchanged.

One measurement artifact worth recording so it is not mistaken for a
regression later: the real-repo TS corpus went 93,586 -> 93,748 captures across
these commits. That is corpus drift, not over-matching — the benchmark walks a
sorted file list and takes the first 400, and this work added a new source file
to that tree. The repo's own TypeScript contains zero occurrences of the
`identifier.property = function` shape, so the widened rule contributes nothing
there.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(js): treat module-level `this.X = fn` as a CommonJS export (#2723)

In CommonJS, module-level `this` IS `module.exports`, so

    this.handler = function (data) { … };

at the top of a `.js` file exports `handler` exactly as `exports.handler`
does. It previously produced an ownerless `Method` that no importer could
reach.

The CommonJS gate is the whole point of the change, not a detail. Top-level
`this` is `undefined` in ESM, so the same line exports nothing there — treating
it as an export would mis-index every `.mjs`, every `"type": "module"` package,
and every `.ts` that compiles to ESM. Detection is deliberately asymmetric: an
`import`/`export` statement settles the file as ESM immediately, a `require()`
call or an `exports`/`module` reference marks it CommonJS, and a file carrying
NEITHER signal is left alone — silence is not evidence of CommonJS.

`this` nesting follows the receiver rule the scope queries already encode
(#2701): an arrow does not bind `this`, so a top-level arrow's `this` is still
the module's and passes through the walk, while every other function form binds
its own receiver and stops it — that is an instance member, which keeps the
Method-plus-owner treatment from the previous commit.

Verified across all three cases rather than just the happy path: a CJS file
exports both the `function` and arrow forms and they resolve through a
cross-file destructured `require()`; an ESM file's identical line produces no
export; and a file with no module-system signal produces none either.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(js): forward CJS re-exports to the original definition (#2723)

Last of the known limitations. `exports.fwd = lib.imported` assigns an
EXISTING symbol rather than a function literal, so no definition rule reaches
it and importers of `fwd` resolved to nothing:

    const lib = require('./lib');
    exports.forwarded = lib.imported;      // via a namespace binding
    const { second } = require('./lib');
    exports.alsoForwarded = second;        // via a named binding

Both forms are now synthesized as re-export markers in the same post-query
pass that already decomposes `require()`, reusing the decomposer's existing
vocabulary rather than adding a case to it.

The kind is the whole fix, and it was established by measurement, not by
reading. Emitted first as `named-alias` — the shape the destructured
`require()` form uses — the forwarding still did not resolve: an import
binding is PRIVATE to its module, exactly as in ESM, where `import { X }`
does not re-export X. `reexport-alias` (`export { X as Y } from './m'`) is
what a CJS forwarding assignment actually is, and with it the call resolves
through the forwarding module to the original definition.

`exports.foo = localFn`, where the right-hand side is a locally DECLARED
function, is deliberately not handled here: the module scope already binds
`localFn`, importers already resolve through it (verified before writing any
code), and synthesizing a second binding would re-create the ambiguity the
shadow guard exists to prevent.

JavaScript only, matching where CJS `require()` decomposition already lives —
`typescript/captures.ts` has no require pass at all, since a `.ts` file using
CJS forwarding is vanishingly rare next to the cost of a second
implementation.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(js): document the CommonJS export surface now that #2723 closed it

The known-limitation note still described `exports.X` as unmodeled and listed
the re-export edge as missing. Both are stale: the note now states which forms
declare a module-scope name, which two cases are deliberate non-cases (a
locally declared value needs no second binding; a name the module also declares
lexically is suppressed rather than made ambiguous), and that member
assignments through a receiver are Methods with an owner edge.

`module.exports = fn` — an anonymous default with no name to bind — remains
the one genuine limitation.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* feat(js): index the CommonJS default export `module.exports = fn` (#2723)

The last documented limitation. `module.exports = function () {}` exports the
whole module as a callable, so there is no property to take a name from and
nothing declared it.

Named after the file by `deriveDefaultExportHocName` — the convention this
repo already applies to anonymous default exports — so `index.js` takes its
parent directory. A NAMED function expression keeps its own name instead,
which is more informative than the file.

Two traps, both found by probing rather than reading:

  - The widened member-assignment rule already matches this shape, capturing
    the LEFT property as the name — the literal `exports`. Left alone it
    produced `Function:<file>:exports`, and for a named function expression a
    SECOND node beside the real one. The worker now overrides the captured
    name for this shape, which is why it takes precedence over `nameNode`.
  - `labelOverride` was suppressing the node entirely. That is the widening's
    safety net working as designed — an assignment-anchored capture that is
    not a recognised shape emits nothing — and this was simply a shape it had
    not been taught.

The scope declaration is synthesized in the capture emitter rather than the
query, because a tree-sitter pattern has no access to the file path the
anonymous name derives from. Without it the node would exist with nothing
resolving to it, the half-fixed state this issue already had to correct once.

`exports = fn` is deliberately NOT indexed, and there is a test pinning that:
reassigning the `exports` binding does not export anything in CommonJS, it
only breaks the alias to `module.exports`, so indexing it would invent an
export that does not exist.

## Limit worth knowing

`const m = require('./mod'); m()` resolves only when the local binding name
matches the derived name — a naming coincidence, not a mechanism. Resolving a
renamed binding (`const renamed = require('./mod'); renamed()`) needs the
finalize layer to treat a called namespace binding as the target module's
default export, which is separate work. The node itself is always emitted, so
`impact` / `context` / `rename` reach it either way — which is what #2723
asked for.

Adjacent gap found while measuring, NOT addressed here: ESM
`export default function () {}` (anonymous) is equally unindexed. Same class,
different construct, and widening to it would change behaviour for files this
issue never touched.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(js): record module.exports = fn and the two remaining default-export gaps

The note still listed `module.exports = fn` as unmodeled. It is indexed now;
what remains is narrower and worth stating precisely: resolving a CALL through
a RENAMED default-export binding needs finalize-layer work, and anonymous ESM
`export default function () {}` is unindexed for the same underlying reason
but is a different construct.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(js): close every finding from the #2729 tri-review

A 15-lane review (Claude swarm + ce personas, Codex gpt-5.6-sol swarm + ce +
adversarial) ran the real pipeline against both this branch and its base and
diffed the graphs. On canonical CommonJS shapes the branch was DELETING call
edges that existed at base and FABRICATING edges present in no source. A
fabricated edge is worse than the gap #2723 set out to close: it hands
`impact` a caller that does not exist.

Almost all of it reduced to two root causes.

**1. The exports receiver was identified by TEXT, with no scope lookup.**
The canonical UMD wrapper takes the exports object as a PARAMETER:

    (function (exports) { exports.publicApi = function () {}; })(this);

A text match called that a module export, invented a symbol, and — because the
invented name then collided with module scope — deleted the factory's real call
edges. The same blindness made `const helper = require('./helper');
exports.helper = fn` resolve an importer into a DIFFERENT module's function.
Receivers (and aliases) are now rejected where a parameter or enclosing local
shadows them.

**2. The shadow guard reached one of four export forms.**
It was wrong in four distinct ways: it never fired for an aliased receiver
(`root` was not forwarded), for module-level `this`, or for the default export
— each dropping a real edge, and the default-export case merging two functions
onto one node so the inner call resolved to itself. And it fired when it should
NOT have, deleting a genuine export whose name merely collided with a
non-callable variable:

    let cache = null;
    exports.cache = function (v) { cache = v; return cache; };

There is now one entry point (`cjsExportedName`) covering direct, alias, `this`
and default forms, comparing against CALLABLE declarations only.

Also fixed:

- Prototype owners bound to variables. `var Foo = function () {}` is the
  dominant pre-ES6 constructor — the population this work targets — and owner
  lookup handled only declarations, so two same-named members collapsed onto
  one unqualified node with no owner edges at all.
- TypeScript parity: the default/re-export declaration synthesis lived only in
  the JavaScript emitter, so a `.ts` file emitted the node with nothing
  declaring it. Extracted to a shared module used by both.
- Module-level `this.X = fn` in ESM or a no-signal file no longer mints an
  ownerless `Method`; `.cjs`/`.cts` and `.mjs`/`.mts` are now positive
  module-system signals where the file path is available.
- The MCP graph-schema resource documented HAS_METHOD as Class-owned only,
  while this work adds Function (constructor) owners.
- Two dead exports removed; an orphaned JSDoc reattached to the function it
  describes.
- Tests: the `exports = fn` negative test passed trivially (no JS/TS query
  matches a bare-identifier LHS at all, so it would pass with every guard
  deleted) — it now carries a positive control in the same fixture. A
  bounds-y `.some(...)` assertion was replaced per DoD.md:82. Six regressions
  added, each confirmed failing against the pre-fix build.

**Schema constants bumped LAST, deliberately.** `INCREMENTAL_SCHEMA_VERSION`
20->21 and parse-cache `SCHEMA_BUMP` 28->29, with the pin and reuse-gate tests
updated. This change alters what is emitted for source whose content has not
changed, so without the bump an existing index keeps serving the pre-fix graph
for every unchanged CommonJS file — breaching DoD.md:61. Bumping it BEFORE the
correctness fixes would have been worse: it would have propagated the fabricated
and deleted edges to every index on upgrade.

One review finding was withdrawn rather than fixed: a claimed O(n^2) memo
failure did not survive verification. Clean production-shaped measurement
(fresh parse per file, no instrumentation) shows linear scaling — 0.355, 0.221,
0.216, 0.212 ms/declaration at N=500/1000/2000/4000. The earlier
"reproduction" was an artifact of replacing `globalThis.WeakMap` to count
misses, which perturbs the identity semantics under test.

Verified: 1469 tests across 89 files, including the full scope-resolution unit
suite, the JS/TS resolver suites, closure-binding labels, const-function-twin
and the pipeline golden.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-28 19:45:01 +01:00
Gergő Magyar
e172aca4ee
Merge branch 'main' into fix/configurable-embedding-timeout 2026-07-28 18:56:06 +01:00
Gergő Magyar
13c77db4d9
fix(ci): stop the placeholder review, verify citations, repair once (#2733) 2026-07-28 18:51:01 +01:00
Gergő Magyar
0ce7880290
fix(scope-resolution): a closure binding is a call SOURCE in every language, and function-local values carry their own identity (closes #2699) (#2718)
* test(scope-resolution): audit the consumers of file-scoped node ids (#2699 part A)

#2699 item 4 — "audit consumers that assume file-scoped ids" — after #2695/#2714
gave function-local CALLABLES position-bearing ids. Tests and findings only; no
production change. That split is deliberate: `impact` reports
`resolveDefGraphId` at CRITICAL with 23 DIRECT dependents across 7 modules
(every language MRO builder, both Spring attachers, C++ member lookup,
tryEmitEdge, emitReferencesViaLookup, buildGraphTargetIndex, emitFreeCallFallback,
emitReceiverBoundCalls, preEmitInheritanceEdges, emitDetectedInterfaceImplementations,
phpEmitUnresolvedReceiverEdges, emitRubyMixinEdges, emitRustTraitImplEdges,
emitDartHeritageEdges), so changing that key chain is its own change, not a
rider on an audit.

A2 — detect_changes: CONCERN RESOLVED, now pinned. The worry was that an id
containing `@row:col` re-keys whenever a declaration MOVES, making every edit
look like symbol churn. It cannot: `local-backend.ts` maps diff hunks to
symbols by LINE-RANGE OVERLAP (`n.startLine`/`n.endLine`) and merely REPORTS
`n.id`. Node identity never participates in the match. New structural test
asserts the WHERE clause never gains `n.id =` or `n.id IN`, keeps the one
legitimate id-shaped predicate (the `BasicBlock:` prefix exclusion, #2082 U7),
and confirms the id is returned rather than matched. Structural in the same
idiom as `detect-changes-worktree.test.ts`, and labelled as not proving runtime
behaviour.

A1 — ANSWERED, and the answer is that #2699 is NOT fully closed by items 1-3.
The fail-closed guard is gated on `isOverloadableCallable`
(Function | Method | Constructor), so a function-local VALUE never reaches it.
Measured on a fixture: a top-level `const handler` and a function-local
`const handler` still produce ONE node, `Const:v.ts:handler`. That is the
residual half of the issue's original complaint. Pinned as a KNOWN LIMIT with
its reason (widening identity to values re-keys ~14,700 build-time nodes to
change ~800 persisted ones — the decision recorded in `parse-worker.ts`), and
deliberately NOT fixed here.

A3 — id-persisting consumers, classified:
  - detect_changes ................ SAFE (position-keyed; pinned by A2)
  - MCP impact/context/trace ...... SAFE (resolve by name/uid at query time)
  - bench fingerprints ............ SAFE (digest capture shape, not node ids)
  - rust-captures golden .......... SAFE (digests captures, not ids)
  - cfg pipeline-pdg snapshot ..... AT RISK by design — pins exact edge ids, so
    it trips whenever attribution changes. That is the gate working; #2714
    already exercised it.
  - wiki / group-contract links ... NOT id-keyed on locals (locals are never
    cross-file addressable, per the document-scoped contract of item 2).

Verified: tsc clean; 14/14 across the two touched files; `detect_changes`
reports 0 changed symbols (tests only).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(php): a closure binding is a call SOURCE, not only a TARGET (#2699 part B, S1)

A call made inside a closure binding was attributed to the ENCLOSING scope, so
the closure was a call TARGET but never a call SOURCE: impact(handler,
direction:"downstream") reported nothing even though the closure calls out.

Root cause, probe-measured rather than inferred. Instrumenting
pickCallerCallableDef (graph-bridge/ids.ts) to log every rejection reason shows
the closure's own scope EXISTS and its range DOES contain the call site, but its
ownedDefs is EMPTY, so the ":94" owned-callable filter drops it and attribution
falls through to the ":97" enclosing-scope fallback.

The reason is one missing query rule. javascript/query.ts pairs the binding name
with the closure via @declaration.function anchored on the INNER arrow node, so
anchor.range equals the @scope.function range and pass2AttachDeclarations
attaches the declaration to the CLOSURE's scope. No other language had that
rule — PHP, Rust, Kotlin, Ruby and Dart all captured named function
declarations only. That single omission is the entire empty-ownedDefs cause.

This ports the rule to PHP with the same anchor discipline (@declaration.function
on the inner anonymous_function / arrow_function, NOT on the
assignment_expression wrapper). PHP needs nothing else: it already declares
(anonymous_function) and (arrow_function) as @scope.function, so the rule alone
completes it.

Measured on a fixture: `$handler = function ($x) { return target($x); }` inside
outer() now emits

  Function:src/a.php:outer.$handler@3:2 -> Function:src/a.php:target

where it previously emitted `outer -> target`.

The pinned test in closure-binding-labels.test.ts asserted the OLD, wrong
behaviour by design ("to catch that asymmetry changing in EITHER direction"), so
it is INVERTED here rather than deleted, per its own instruction. Its block
comment is corrected to record the measured root cause, including that Kotlin
and Ruby will need BOTH this rule AND a relaxed kind gate (their lambda_literal
/ do_block is @scope.block deliberately, #1757), and that Dart has no closure
scope at all.

Verification: closure-binding-labels 50/50; PHP resolver suites 221/221
(php, php-coverage, php-response-shapes). detect_changes {staged}: 1 changed
symbol (PHP_SCOPE_QUERY), 0 affected processes, risk LOW.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(rust): emit a node for a closure binding and make it a call SOURCE (#2699 part B, S3)

Rust was the one exception to #2687's "a closure bound to a name is a Function
node in every language": `let handler = || target(1);` produced NO graph node at
all, so the closure could be neither a call target nor a call source.

Needed BOTH query channels, which is the finding worth recording. Porting only
the scope-resolution rule (as S1 did for PHP) changed nothing measurable here,
because there was no node to attribute anything to:

  - languages/rust/query.ts — closure-binding declaration, @declaration.function
    on the INNER closure_expression so anchor.range aligns with the existing
    (closure_expression) @scope.function. This is what gives the closure's own
    scope a callable in ownedDefs, which is what stops pickCallerCallableDef
    falling through to the enclosing fn.
  - tree-sitter-queries.ts — @definition.function on the OUTER let_declaration.
    This emits the Function NODE that Rust never had.

Note the deliberate anchor asymmetry between the two channels: the graph-node
channel anchors the WRAPPER (matching the existing
(lexical_declaration (variable_declarator ... (arrow_function))) rule), while
the scope-resolution channel anchors the INNER closure (to align with
@scope.function). Getting these backwards silently produces either no node or
an unattributable one, so both sites carry a comment saying so.

Measured on a fixture — `let handler = || target(1);` inside outer():

  Function:src/a.rs:outer                CALLS  Function:src/a.rs:outer.handler@2:4
  Function:src/a.rs:outer.handler@2:4    CALLS  Function:src/a.rs:target

Previously the whole binding was absent and the call read as `outer -> target`.
The rule also covers `move` closures: the closure_expression node spans the
`move` keyword.

Verification: closure-binding-labels 50/50; rust.test.ts 192/192;
rust-coverage, rust-f70, rust-scope all pass; rust-captures-golden passes
UNCHANGED, so no golden regeneration was required. detect_changes {staged}:
2 changed symbols (RUST_SCOPE_QUERY, RUST_QUERIES), 0 affected processes,
risk LOW.

One caveat on the suite runs: this host times out `beforeAll` hooks at the
default 60s under load — rust.test.ts needed --hookTimeout=600000 to complete,
and a concurrent second vitest run starves worker startup entirely (every test
fails at ~5001ms). Both are host artifacts, not signal.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(kotlin,ruby): a closure binding is a call SOURCE, via a Block-scope callable boundary (#2699 part B, S2)

Kotlin and Ruby anchor a closure on a Block-kind scope — Kotlin lambda_literal
and Ruby do_block/block are @scope.block DELIBERATELY (#1757 smart casts), so
they must not be re-kinded. pickCallerCallableDef gated its child-scope walk on
kind === 'Function', so a closure there could never become a call SOURCE.

Both halves are required; neither alone changes anything:

1. kotlin/query.ts and ruby/query.ts gain the closure-binding declaration rule,
   with @declaration.function on the INNER lambda_literal / block so its range
   aligns with the @scope.block range (the anchor discipline documented in
   javascript/query.ts). Without this the closure scope owns no callable def.

2. pickCallerCallableDef accepts a Block-kind child as a callable boundary when
   the scope IS that callable's body. Without this the kind gate still rejects.

The alignment test in (2) is the part worth scrutiny. Relaxing the kind gate to
accept ANY Block owning a callable would be a real regression: a nested
`fun foo()` declared inside a block is owned by that block, so a call made at
BLOCK level — outside foo — would be misattributed to foo. Comparing the def's
declaration position against the scope's start position discriminates them: for
a closure the declaration and the scope sit on the SAME node, so the positions
match; for a nested function the block starts at `{` while the def starts at the
declaration, so they do not. Existing Function-kind behaviour is untouched, so
every already-working language is unaffected by construction.

The comparison is base-safe: scope-extractor.ts builds a def id as
`def:<filePath>#<startLine>:<startCol>:<type>:<name>` from the same Range a
scope carries, so both sides share one coordinate base. This is called out in
the helper's docblock because `defStartLine` nearby documents its own output as
1-based, which invites a wrong "fix" (#2377 is exactly this class of hazard).

Ruby's call forms are restricted to lambda/proc by name: an unrestricted
(call block: (block)) would match ANY method call taking a block, so
`mapped = items.map { |i| ... }` would wrongly declare `mapped` a callable.
Verified against the parser: 3 matches (->, lambda, proc), map excluded.
Separate #eq? patterns rather than one #match? alternation, which is a known
hazard on this tree-sitter line.

Measured on fixtures:

  Kotlin  Function:src/A.kt:outer.handler@2:4  CALLS  Function:src/A.kt:target
  Ruby    Function:src/a.rb:outer.handler@4:2  CALLS  Method:src/a.rb:target#1

previously `outer -> target` and `outer#0 -> target#1`.

The pinned Kotlin test asserted the old behaviour by design and is INVERTED, not
deleted. Ruby had NO pinned case, so a new one is added rather than inverted.
The describe title no longer claimed something false ("not yet a call SOURCE"
now holds only for Dart) and was retitled.

Verification: closure-binding-labels 51/51; kotlin.test.ts, kotlin-coverage,
ruby.test.ts, ruby-scope, ruby-namespaced all pass (478 passed / 1 expected
inversion before the test was flipped). impact on pickCallerCallableDef:
CRITICAL, 191 impacted, ONE d=1 (resolveCallerGraphId) — the return contract is
unchanged, so that dependent is unaffected. detect_changes {staged}: 5 changed
symbols, 2 affected processes (both EmitReferencesViaLookup, one of them the new
ScopeIsCallableBody step), risk medium.

Dart remains the last failing language: dart/query.ts declares no
@scope.function at all, and dart/captures.ts synthesizes one only from a
declaration WITH a body node, which an expression-bodied closure lacks.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(dart): give a closure binding a scope and a distinct identity (#2699 part B, S4)

Dart was the last language where a closure binding could not be a call SOURCE,
and fixing only that would have made the graph WORSE, not better. This lands
both halves together for that reason.

## The attribution half

A Dart closure had no scope at all. `dart/query.ts` declares no
@scope.function anywhere — Dart's function scopes are SYNTHESIZED in
`dart/captures.ts` from `declNode` + `findFunctionBody(declNode)`, and
`findFunctionBody` looked only at the next named SIBLING for a `function_body`.
A closure literal carries its body as a CHILD (`function_expression_body`), so
it matched nothing and no scope was produced.

`query.ts` gains the closure-binding declaration rule and `findFunctionBody`
understands the child form. Deliberately NO @scope.function is added to the
query: it would collide at identical range with the synthesized one, and
duplicate scope ids make `buildScopeTree` throw, which DROPS THE WHOLE FILE.

## The identity half, and why it is not optional

With attribution alone, two same-named closures in one file both keyed to the
bare `Function:a.dart:handler`. One node then appeared to call BOTH targets —
a CALLS edge present nowhere in the source. That is worse than the missing edge
it replaced, so S4 could not ship without this.

Root cause is not Dart-specific. `enclosingCallablePrefix` derives a SEMANTIC
relation — what encloses this callable — by SYNTACTIC ancestor walk. Dart parses
`int outer() { … }` as `function_signature` followed by `function_body` as
SIBLINGS, so the enclosing callable is never an ancestor of code inside it and
no membership set can fix that; the walk looks in the wrong direction.

This is what SCIP and real compilers avoid by construction. SCIP keeps a local
symbol opaque (`local <id>` — no name, no position, no chain) and models
containment as a SEPARATE `enclosing_symbol` field; its spec says the local/global
choice should follow ACCESSIBILITY, not the ability to name an enclosure. Dart's
own analyzer answers this from `Element.enclosingElement` in the element model,
never from AST ancestry. clang uses `name@offset` for a function-local; Kythe
uses a document-scoped VName plus a `childof` edge. Identity is positional and
opaque; enclosure is a relation.

`findSplitBodyCallableAncestor` is the narrow fix at that seam: a fallback used
ONLY when the ancestor walk finds nothing, recovering the callable from the
body's preceding sibling.

The sibling must be a BARE SIGNATURE, and that restriction is load-bearing —
"any preceding callable sibling" is WRONG and was caught regressing PHP during
this work. In `<?php function target($x) {…} $handler = function ($x) {…};` the
closure is at FILE level, so the ancestor walk correctly finds nothing, the
fallback runs, and an unrestricted version mis-qualified the file-level
`$handler` as `target.$handler`. A preceding sibling is only an ENCLOSING
callable when it cannot hold its own body.

`SPLIT_SIGNATURE_NODE_TYPES` is exactly that set and is DERIVED, not listed:
`LOCAL_SCOPE_BODY_NODE_TYPES` is already `FUNCTION_NODE_TYPES` minus the bare
signature types, so the difference between them IS the split-signature set
(`function_signature`, `method_signature` — verified at runtime). PHP's
`function_definition` carries a body and is in both, so it is excluded. No
language is named in shared code, and any future split-grammar language is
covered for free.

## Verification

Full resolver sweep — the gate that caught #2714's Rust regression — 2926
passed / 1 skipped / 0 failed across 51 files. closure-binding-labels 52/52;
dart.test.ts, dart-coverage, callable-id-lockstep, function-local-identity,
caller-identity-regression all pass (156/156 across 6 files).
impact on `enclosingCallablePrefix`: LOW, 5 impacted, 3 d=1 all inside
parse-worker. detect_changes {staged}: 5 changed symbols, 0 affected processes,
risk LOW.

Three existing Dart expectations FLIPPED rather than being deleted: Dart locals
now carry the same enclosing-callable + position identity every other language
got in #2695, so `local.dart:handler` became `local.dart:caller.handler@1:2`.
A new test pins the actual defect — two same-named closures staying DISTINCT
nodes — because the qualification assertions alone would not fail if the
fabricated edge returned.

One note for future work: an id-shape assertion here carries a call-site suffix
on indirect invocations (`…handler@3:2:5:9`) but not on direct calls. That is
the callable-value-flow pass keying its edge by invocation position, not part of
the node id.

Part B is now complete: PHP (S1), Rust (S3), Kotlin + Ruby (S2), Dart (S4).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(scope-resolution): close every deferred item on #2699 (A1 values, twin-list guard, schema bumps)

Clears the limitations this PR had been carrying rather than leaving them as
follow-ups.

## A1 — function-local VALUES now carry their own identity

This was #2699's ORIGINAL complaint and the one a callable-only gate could never
reach: a top-level `const handler` and a function-local `const handler`
collapsed onto ONE `Const:v.ts:handler`. #2695 restricted position-qualified
identity to Function|Method|Constructor because the collision that produced
wrong CALLS edges was between callables, and widening churned ids for symbols
the pruner mostly deletes. The churn is real and is accepted here deliberately.

Widening needed THREE gates aligned, not one:
  - id-building     — `parse-worker.ts` nestedCallablePrefix
  - resolution      — `ids.ts` position key
  - registration    — `node-lookup.ts` position-key registration

Missing the third would register no position key for values, so every lookup
misses and falls through silently. That is the #2714 failure mode: the caller
attaches to a node that does not exist and the edge is DROPPED, which looks like
"zero dangling edges" from outside. All three now route through ONE predicate,
`isPositionQualifiedLocalLabel`, rather than repeating the label set a third
time.

Only LOCALS move. The prefix comes from `enclosingCallablePrefix`, which returns
undefined when nothing encloses the declaration, so top-level and class-member
ids are untouched — verified by the full resolver sweep, where a leak onto class
members would have broken assertions in every language. `Property` is included
on purpose: a class field stays unqualified because the prefix walk boundaries
on class-likes, while an object-literal property inside a function is genuinely
local and would otherwise keep the old collision.

Measured: `Const:v.ts:handler` + `Const:v.ts:run.handler@3:2`, two distinct
nodes. The KNOWN LIMIT test is FLIPPED per its own former instruction ("this
test should be updated as part of it rather than deleted").

## Schema bumps — required by Part B, not just by A1

INCREMENTAL_SCHEMA_VERSION 20 -> 21, parse-cache SCHEMA_BUMP 27 -> 29.

SCHEMA_BUMP is 29, not 28, and that is the point of re-checking it against
origin/main at MERGE time rather than branch time. This branch cut at 27 and
bumped to 28; #2415 also bumped 27 -> 28 and merged first. The automated
main-merge onto this branch surfaced the collision — leaving it at 28 would have
shipped this whole change with NO parse-cache invalidation, so every warm cache
keeps replaying the pre-fix captures and ids. This is the third instance of that
collision recorded in parse-cache.ts (#2632/#2653 hit it at v21, and
#2653/#2654 hit INCREMENTAL_SCHEMA_VERSION the same way).

Part B already changed emitted node ids AND edges on files that did not
themselves change (Dart locals re-keyed, Rust gained a node it never emitted,
five languages gained closure-source attribution). A v20 index topped up
incrementally keeps serving the old attribution, and a warm parse cache replays
the old captures and ids verbatim. Shipping S1-S4 without these would have let
every existing index silently keep the pre-fix graph.

## Twin-list drift guard — the sixth instance in this family

`IMPLICIT_RECEIVERS` (gitnexus-shared lookup-core.ts) and `THIS_RECEIVERS`
(type-env.ts) spell the same concept in two packages, and nothing enforced
agreement — `$this` was added to the shared list in #2714 only because it was
already in the other. New structural test asserts set equality plus the ONE
deliberate asymmetry (`Me`, Visual Basic spelling, absent from the shared list
because no SupportedLanguages entry uses it) in BOTH directions, so re-adding it
there or dropping it here each fail loudly.

Structural rather than value-imported: both constants are module-private, and
exporting them purely to be testable would widen two public surfaces to satisfy
a test.

## Two false comments corrected

  - `lookup-core.ts` said "see the drift guard noted in #2714", implying a guard
    existed when it was only a deferred follow-up. It exists now, and the
    comment points at it.
  - `callable-id-lockstep.test.ts` claimed its regex "fails if any site
    reconstructs the id". It matches ONE template spelling; a hand-rolled
    concatenation still slips past. Now stated as a tripwire for the known
    shape, not a proof.

## Skill learnings

Four entries appended to eval/workflow_bench/learnings.jsonl from this run: the
v9fs safe-writer failure, backticks silently terminating a query template
literal (hit three times), a module-level TDZ const that passes tsc and then
presents as N file failures with ZERO failing assertions, and concurrent vitest
runs starving worker startup so a whole suite fails at ~5001ms.

## Verification

Full resolver sweep 2926 passed / 1 skipped / 0 failed (51 files) — identical to
pre-A1, which is the evidence that only locals moved. All EIGHT bench gates PASS
with fingerprints UNCHANGED, so no regeneration was needed. function-local-identity,
callable-id-lockstep, receiver-twin-list-drift and closure-binding-labels 71/71.
tsc --noEmit clean.

detect_changes {staged}: 9 changed symbols, 14 affected processes, risk HIGH —
expected, and the reason the sweep above is the gate rather than a targeted list.
Every affected process routes through `resolveDefGraphId`, the key chain Part A
measured at CRITICAL with 23 direct dependents.

Deliberately NOT done: the SCIP end state (opaque `local <id>` plus an explicit
enclosure EDGE instead of containment encoded in the id string). It is a design
direction, not a limitation of this work, and it is INCOMPATIBLE with A1 — A1
widens chain-encoded identity, that removes chain encoding entirely. Bundling
both would re-key every local twice. Written up in the research notes.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* test: update two assertions the #2699 changes correctly invalidated

Both failed on CI at da3d8397 and are fixed here. Neither is a behaviour
regression; both pinned values that this PR deliberately changed.

1. this-boundary.test.ts — "a Kotlin lambda still sees the receiver"

The `this.m()` edge still exists and `this` still resolves to the enclosing
receiver, which is the ONLY property this test exists to guard (its own comment
said so: "what matters here is only that the `this.m()` edge still exists at
all"). Only the SOURCE moved, from `run` to the lambda:

  Method:K.kt:K.run#0       -> Method:K.kt:K.run.f@2:16
  Method:K.kt:K.run.f@2:16  -> Method:K.kt:K.m#0

The comment justifying the old expectation is now false and is corrected rather
than left: it said the lambda "is not its own caller anchor" because Kotlin
scopes `lambda_literal` as a BLOCK. Kotlin still scopes it as a block (#1757 is
unchanged) — what changed in S2 is that a Block-kind scope is accepted as a
caller anchor when the scope IS the callable's body.

2. call-summary-schema-version.test.ts — INCREMENTAL_SCHEMA_VERSION pin

Moves 20 -> 21 with the bump, which is the point of pinning it: a change that
alters emitted ids or edges without bumping would otherwise ship silently.

Also adds the missing reuse-gate case. `passesReuseGate(20)` now asserts FALSE —
a v20 index predates closure bindings becoming call SOURCES, the Rust node for
`let f = || …`, the Dart closure scope + enclosing-callable identity, and
position-qualified function-local values. Topping such an index up incrementally
keeps serving the old attribution, including the Dart case where two same-named
closures collapsed onto one node and asserted a CALLS edge present nowhere in
the source.

Why CI found these and local verification did not: the verification set was
`test/integration/resolvers/` plus a hand-picked list, and both failures sat
outside it — one integration test about `this` (which a caller-attribution
change obviously touches) and one unit test pinning the exact constant that was
bumped. Grepping for the changed constant, and for tests asserting closure
attribution, would have found both. All 8 suites that reference the schema
constants were then run: 177/177, no third pin.

Verification: this-boundary + call-summary-schema-version 17/17;
the 8 schema-referencing suites 177/177. detect_changes {staged}: 0 changed
symbols, 0 affected processes, risk LOW (assertion-only edits).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(scope-resolution): resolve every finding from the multi-engine review of #2699 part B

The first cut of Part B shipped four P1 defects. A two-engine review (Claude
swarm + ce personas; Codex gpt-5.6-sol swarm + ce + adversarial) found all four,
three of them because an independent engine disagreed with the authoring one.
Each is fixed here and pinned in test/integration/closure-review-findings.test.ts.

## P1-1 — a multi-line closure binding fabricated a CALLS edge

The worst of the four, because it reintroduced the exact defect class #2699
exists to remove. The two query channels anchor on DIFFERENT nodes by design
(graph-node on the outer wrapper, scope-resolution on the inner closure) and the
bridge joins them on line only. Same line, the join matches. Split across lines:

    $multi =
        function ($x) { return target($x); };

the join missed, `resolveDefGraphId` failed closed, and `resolveCallerGraphId`
then CLIMBED to the parent scope — emitting `outer -> target` although `outer`
calls nothing, while the real `outer.$multi` node sat with zero outgoing edges.

`resolveCallerGraphId` now fails closed at the owning callable instead of
climbing. If we have identified the callable that owns a call site and cannot
name its graph node, crediting an ancestor is not graceful degradation — it
invents a relationship. A missing edge is the correct failure direction for a
graph whose consumers include `impact`.

Getting there took two attempts, worth recording: the first guard keyed on the
def's qualifiedName carrying the `@line:col` local marker, but that suffix is
added by parse-worker for GRAPH NODE ids and scope-resolution defs do not have
it, so the guard never fired. `pickCallerCallableDef` now reports whether the
callable came from a child scope, and the fail-closed applies to the owning
callable either way.

## P1-2 — TS constructor parameter properties were re-keyed as locals

A REGRESSION against the base, not merely an incomplete fix. Admitting
`Property` to the position-qualified set made the enclosing-callable walk reach
the constructor's `method_definition` THROUGH the parameter list — a
LOCAL_SCOPE_BODY hit that lands before any class boundary — so
`constructor(private readonly port: Port)` produced
`Property:svc.ts:Service.constructor.port@2:14` instead of `Service.port`. That
silently empties the slot `impact`, `rename` and FTS address while the class
still asserts HAS_PROPERTY against it, and it is the Angular/NestJS DI idiom.
A real instance exists in this repo at src/core/group/service.ts:304.

parse-worker.ts already computed the correct exemption (`isFunctionLocalProperty`,
lines 2245-2257) two lines above; the new ternary discarded it. Now reused, so
the owner-edge decision and the id decision cannot disagree.

## P1-3 — Dart top-level and `final` closures were never call sources

The rule matched only `initialized_variable_definition`, Dart's FUNCTION-LOCAL
shape. A top-level `var` is `initialized_identifier` and a top-level
`final`/`const` is `static_final_declaration`; the second declarator of
`var f = ..., g = ...` is also `initialized_identifier`. None got a declaration
capture, so `findFunctionBody` never synthesized their scope.
dart/captures.ts ALREADY listed all three in bindingNodeTypes for callable-flow
— the declaration rule simply did not mirror it. It does now.

## P1-4 — Ruby `do ... end` and `Proc.new` closures were uncovered

`do ... end` is the dominant MULTI-LINE Ruby style and produces `(do_block)`;
all three patterns matched `(block)` only. The scope channel already covered
both, so these closures got a Block scope owning nothing and their calls fell
through to the enclosing method. The PR's own Ruby test used the brace form, so
it passed.

Fixing it needed BOTH channels — tree-sitter-queries.ts had no graph-node rule
for the `(call)` forms either, exactly as Rust did. Verified: brace, do/end and
Proc.new are now all sources.

## Also from the review

- The split-signature fallback could fire on VALID TypeScript: a
  `declare namespace` containing a bodyless overload made the next declaration's
  `export_statement` a sibling of a `function_signature`, so `send` became
  `internalHelper.send@2:9`. The fallback now requires the matched node to be
  the signature's BODY (a body holds statements; a declaration wrapper holds
  another signature), which separates the two without naming a grammar.
- `isCallableDef` re-spelled `Function | Method | Constructor` in the same file
  that imports `isOverloadableCallable` and calls it three times — a NEW twin
  list, in the PR whose headline is a twin-list drift guard. It now delegates.
- A partial edit had left a self-contradictory comment in parse-worker.ts
  ("Restricted to CALLABLE labels: the / Applies to VALUES as well as callables").
- eval/workflow_bench/learnings.jsonl carried a "skill": "gitnexus-plan" entry,
  but that skill's SKILL.md:347 states feedback is chat-only and forbids
  appending learnings during a planning task. Dropped; the three gitnexus-work
  entries are sanctioned and stay.
- Ruby's lambda/proc patterns tested the method NAME only, so `MyMod.lambda { }`
  was captured as a closure binding. `!receiver` now constrains them.
- Rust's closure work (S3) had ZERO test coverage anywhere — verified once by a
  throwaway fixture and never pinned. Now covered.

## Verification

Full resolver sweep plus the identity/closure suites: 3017 passed / 1 skipped /
0 failed across 58 files (up from 2997 — the new tests). This is the gate that
mattered for P1-1: failing closed instead of climbing could have silently
deleted real edges in any language, and ~2900 resolver assertions say it did
not. All EIGHT bench fingerprint gates PASS with fingerprints UNCHANGED.
tsc --noEmit clean.

detect_changes {staged}: 14 changed symbols, 18 affected processes, risk
CRITICAL — expected, since P1-1 changes the fallthrough of `resolveCallerGraphId`,
the key chain Part A measured at CRITICAL with 23 direct dependents.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-28 18:25:19 +01:00
Gergő Magyar
706aa1326b
Merge branch 'main' into fix/configurable-embedding-timeout 2026-07-28 17:18:30 +01:00
Gergő Magyar
b0cacd05ee
fix(ci): stop the review agent rejecting its own graph-backed reviews (#2731)
* fix(ci): stop the review agent rejecting its own graph-backed reviews

The context-evidence gate only counted a `context` call when the call
itself passed `file_path` equal to a changed path. The review skill
teaches plain `context({name})`, so 17 of the 26 review-agent run
failures were complete, graph-backed reviews thrown away after full
model spend, with no log line saying which invariant failed.

Prove the evidence from the result instead: `status=found` plus a
`symbol.filePath` inside the repo-scoped changed-path set. Every other
check stays exactly as it was - strict JSON, orchestrator-only turns,
result ordering, duplicate tool-id rejection - and the `repo` argument
still selects the head or the merge-base path set.

Same failure inventory, smaller classes:

- rejection now logs why (in-scope, out-of-scope, sidechain, unresolved
  and off-path counts plus up to three sanitized paths), and the
  envelope error names the message count and first-message shape
- Glob/Grep leave the tool set: they were enabled through `--tools` but
  never allow-listed, so every lane call was denied and burned turns
- both pinned `npm ci` installs retry three times; one registry
  ECONNRESET killed a whole run
- the prompt matches the new contract and asks for the structured body
  even when the analysis is incomplete

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(skills): mirror the review-skill tool-set change into the shipped copies

The npm package, Claude plugin, and Cursor integration ship byte-identical
copies of .claude/skills/gitnexus-review, and the drift guard compares them.
Dropping Glob/Grep from the lane frontmatter and the SKILL.md sentence only
landed in the canonical tree.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ci): stop one junk context result discarding a proven review

Tri-review of this PR found that the previous commit fixed one spurious
rejection and created another. Widening evidence candidacy from "the call
that named a changed path" to "every orchestrator context call" also
widened the *strict-parse* surface: `contextResultProvesChangedPath`
throws rather than returning false, so a single malformed payload
anywhere in the transcript now discarded a review that an earlier call
had already proven. The MCP makes that reachable without any misbehaving
model - `GITNEXUS_MCP_DEFAULT_MAX_TOKENS=12000` truncates any context
payload over ~48 KB mid-JSON and appends a marker - and it also destroyed
docs-only runs that the `no_indexable_changed_symbols` mode exempts.

Reproduced by running the workflow's own embedded script on both trees:
a proving evidence call followed by one truncated exploratory call gave
`failure_code: null` on the base and `invalid_execution_transcript` on
the head; it is `null` again here.

- payload-shape failures are caught and counted (`malformedResults`)
  instead of thrown; transcript-structural invariants (envelope, tool
  shapes, duplicate ids, empty tool_result) still fail closed
- diagnostics gained the reasons they were blind to: errored results,
  results that arrived out of order or via a sidechain, unanswered
  in-scope calls, and malformed payloads. A rejection can no longer
  print an in-scope call with every reason at zero
- a deletion-only PR no longer registers head-scoped candidates that can
  never be satisfied: an empty eligible set is out of scope, not a result
  "outside the changed paths"
- the mandatory-body prompt clause now pairs with a required `complete`
  boolean. An incomplete analysis publishes its partial body labelled
  `incomplete_analysis` instead of passing as an accepted review
- `Agent(a,b,c)` is split into six separate `Agent(x)` rules: the pinned
  base action parses allowedTools with `.flatMap((v) => v.split(","))`
  (parse-sdk-options.ts at 3553f843), which shattered the grouped rule
  into `Agent(ci-correctness-lens`, four bare names, and
  `ci-critic-lens)` before the SDK saw it. Pre-existing and unproven at
  runtime, but the split form is correct under either reading and lets
  the header's dispatch canary actually prove something

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ci): require a line range for context evidence

The tri-review's adversarial lane executed `context({name: 'AGENTS.md'})`
and had the result accepted: the gate checked only that the resolved
filePath was in the changed set, so a bare File node passed for a review
of that file's contents. The trusted prescan already defines an indexable
symbol as one with startLine and endLine, so require the same here.

Pre-existing rather than introduced by this branch, but it is the same
"what counts as proof" surface the rest of this PR tightens.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ci): close the remaining tri-review findings

Addresses every finding the tri-review left open after 0432214d and
1d9f2d75, across both engines.

Reliability and maintainability (Codex ce, ce-reliability, ce-maintainability):
- both pinned `npm ci` installs now call one shared
  `.github/scripts/npm-ci-retry.sh` instead of two near-identical 12-line
  blocks that differed only in a label
- each attempt runs under `timeout` (default 600s, overridable), so a slow
  registry can no longer crowd the model review out of the job's budget
- the helper distinguishes a timeout kill (124) from an npm rejection in
  its log

Test coverage (ce-testing, Codex swarm P3, ce-security, swarm test-ci):
- the retry helper is now exercised behaviourally with a stub npm: first-try
  success runs once, two failures recover on the third, three failures exit 1
- a non-string `symbol.filePath` is a clean reject, not a type error
- an adversarial resolved path (ESC, newline, `::set-output`, RTL override)
  is proven sanitized before it reaches the job log
- the envelope error's shape string is asserted
- an in-scope call whose result never arrives is counted, not silent
- install flags that keep the runtime inert (`--ignore-scripts`, `--prefix`,
  the lock-bound registry) are asserted against the helper they moved into

Correctness and clarity (risk-architect, ce-standards):
- the prompt now tells the model to prefer the uid form or pass file_path
  when a bare name could resolve into an unchanged file, which was the
  narrower off-path failure mode the gate rewrite left behind
- `contextResultProvesChangedPath` -> `contextResultProvesEligiblePath`,
  matching the set-membership contract its sibling was renamed for
- the transcript fixture's default no longer carries a `file_path` the gate
  ignores, which implied the opposite of the contract
- SKILL.md says "file reads" rather than naming a CLI-specific tool, per
  the CLI-neutrality rule in AGENTS.md; mirrored to all three shipped copies
- the interactive-swarm README notes the CI lanes are narrower

Publisher (ce-reliability residual, pre-existing):
- the publish job no longer gates the whole job on authorization, so a
  request rejected at normalization no longer strands the "review in
  progress" marker on the PR forever. Publication stays authorization-gated
  at the step; only the marker cleanup is unconditional.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(ci): ship the install helper executable

The extracted helper was committed 100644, so the workflow's direct
invocation would have failed on the runner with permission denied - a
break introduced by the extraction itself, invisible to every existing
assertion. Set the mode and pin it with a test.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-28 17:13:29 +01:00
Void Freud
e20b41fffc fix: allow slower remote embedding responses 2026-07-28 17:03:49 +03:00
MyShining
ff86ccf1e7
feat(spring): model profiles, conditions, and auto-configuration (#2678)
* feat(spring): model conditions and auto-configuration

* fix(spring): align auto-configuration declarations

* perf(spring): streamline auto-configuration indexing

* test(spring): move timing benchmark out of vitest

---------

Co-authored-by: Shining <xuenning@qiyi.com>
Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>
2026-07-28 07:05:41 +01:00
Gergő Magyar
e307286d52
fix(scope-resolution): a named receiver's member never resolves lexically, + two #2695 follow-ups (#2714)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
* fix(scope-resolution): a named receiver's member never resolves lexically (#2699)

`lookupCore` Step 1 walked the lexical scope chain for every lookup, including
explicit-receiver property reads. So `options.baseUrl` could bind to an
unrelated function-local `const baseUrl` in the same file, and
`config.extractVisibility(node)` to the enclosing class's own method.

This is the residual half of the defect JS/TS block scopes narrowed in #2695.
Blocks moved nested-block locals off the chain of a reference outside the
block, which removed 114 false edges; a local declared directly in the function
body stayed on it, and no amount of extra scopes reaches that case. Fixed at
the cause instead: `recv.name` names a member of whatever `recv` denotes, so a
binding of the bare tail name in an enclosing scope is never the right answer.
Steps 2 and 3 (receiver type / owner members) are the legitimate routes.

`this` and `self` are EXEMPT, and that exemption was measured, not assumed.
Skipping Step 1 for every explicit receiver removed 711 edges on a 762-file
corpus — but 2 of those were genuine: `self.srcIx` and `self.streamedAt(...)`
after `const self = this`, reaching their own class's members through the
class-body scope. For a self-receiver the members and the lexical chain
legitimately overlap; for a named receiver they never do. Exempting the self
names keeps both true edges and still removes 709 false ones, adding none.

The removals were classified by reading source at the site, not by pattern-
matching ids — an "is the target a member of the source's owner?" heuristic
labelled 43 of them plausible and every one I then read was false:

    language = config.language;          -> the class's own `language`
    dirMap.get(...) / exactMap.get(...)  -> a sibling object-literal `get`
    return config.extractVisibility(n);  -> the class's own method (self-edge)
    writer.close();                      -> GraphEmitSink.close

Residual, deliberately kept: a `this.x` read can still bind lexically to a
same-named local. That is the price of the two true self-alias edges above.

`INCREMENTAL_SCHEMA_VERSION` 19 -> 20: a v19 index holds these false
CALLS/ACCESSES on every unchanged file and would keep serving them through the
reuse gate.

Test confirmed discriminating: it fails with the guard reverted.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(typescript,javascript): a generator expression binding is a Function node (#2693)

`const g = function* () {}` matched none of the closure-binding definition
rules — they covered `arrow_function` and `function_expression` only — so the
binding emitted a `Const` node. `buildGraphTargetIndex` admits callable nodes
only, so `g()` resolved to nothing.

Same defect shape as the `var` case #2693 already fixed: a different grammar
node for the same construct, and the resulting graph node was not callable.

Adds the four variable-binding shapes in both languages: `const`/`let` and
`var`, each plain and exported. Purely additive — no existing pattern is
reordered or rewritten, because the #2687 pre-scan dedup is order-dependent
and collapsing the value/callable pair depends on which match wins.

Deliberately NOT covered, and the query comment says so: a generator in an
object-literal pair or a HOC wrapper still falls through anonymous. Those are
rarer, and each additional pattern is another chance to disturb the dedup.

`SCHEMA_BUMP` 26 -> 27: definition captures are parse-time, so a warm parse
cache would replay the old ones verbatim — `--force` does not clear it.

Two tests confirmed discriminating (they fail with the patterns reverted), plus
a guard that the already-working generator DECLARATION form is unaffected,
since it shares the emit path these were inserted beside.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(ingestion): keep caller attribution in lockstep with definition ids (#2699)

The definition phase appends `localIdentity` to a nested callable's own name
segment (`run.save@3:2`); `findEnclosingFunctionId` did not, so the two phases
derived different ids for the same callable. The failure mode is silent — the
caller id names a node that does not exist, so the edge is dropped rather than
reported — which is why the parse-worker docblock calls this pair a lockstep
guarantee and asks that both phases derive the prefix from one place.

The condition is now byte-identical to the definition phase's
(`nestedPrefix !== undefined`), so the two cannot diverge again.

Scope of the claim, stated plainly: no reproducing case was found, and this
changes nothing measurable on a 762-file TypeScript corpus. TS/JS resolve
callers through `resolveCallerGraphId` in the graph bridge, not this path;
`findEnclosingFunctionId` serves the `callExtractor` languages, and the
corpus does not exercise a nested callable there. The review that raised it
(P3) observed zero dangling edges, and "zero dangling" is also what silently
dropped edges look like — so this closes a documented contract rather than a
demonstrated bug, and carries no test of its own.

Rides the `SCHEMA_BUMP` 26 -> 27 in the preceding commit: caller attribution
runs in the worker, so a warm parse cache would replay the old ids.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* docs(test): correct the block-scope header that this PR made false (#2699)

Review finding (MEDIUM). The file header still described `lookupCore` Step 1 as
walking the lexical chain for EVERY lookup, and called the function-body-local
case "unchanged and still mis-resolves ... pre-existing and tracked
separately". Commit 59b892ca in this same PR falsified both, and the describe
block added ~80 lines lower in this same file asserts the opposite — a reader
scoping future work from the header would have concluded the case was still
open.

Rewritten to state what the code does: Step 1 is skipped for a NAMED explicit
receiver, the function-body case is fixed here, and the surviving residual is
that a `this`/`self` read can still bind lexically to a same-named local —
with the reason those two names are exempt (they keep the genuine
`const self = this; self.member` reads that Step 1 resolves correctly).

Also corrects a PRE-EXISTING staleness inherited from #2695 in the same
paragraph block: "the genuine bare read of that same local must still emit its
edge" describes a test that no longer exists, because TypeScript emits no
`@reference.read` for bare identifiers at all. Fixed here rather than left
adjacent to a freshly corrected sentence.

Comments only — `detect_changes` reports 0 changed symbols across 1 file.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* refactor(ingestion): give the nested-callable id rule one definition (#2699)

Review finding (LOW): the lockstep change in this PR shipped without a test.
The plan called for a unit test asserting the two id-derivation phases agree.
Two things changed that plan during execution, both recorded here.

FIRST — there are THREE phases, not two. Re-verifying the plan's assumption
(`grep -n localIdentity`) found a third call site: the worker-path node-id
derivation in `processFileGroup` (parse-worker.ts:2316), whose own comment
already acknowledged the coupling. `impact` on `localIdentity` corroborates:
three direct dependents, all in the Workers module. So the invariant three
phases must agree on is now ONE function, `nestedCallableQualifiedName`, and
divergence requires deleting a call rather than editing a duplicated
expression.

SECOND — the planned `_forTest` alias seam does not work for this module.
`parse-worker.ts` posts a `ready` message to `parentPort` at module scope, so
value-importing it from a unit test throws before any test runs; the existing
unit tests that reference it use `import type` only, which erases. The rules
therefore move to a new pure module, `workers/callable-id.ts`. That is what
makes them testable at all, rather than merely commented.

Pure refactor — no id changes. Verified by the suites that assert exact node
ids (`Function:svc.ts:run.save@7:2`, `Function:c.php:run.$save@3:2`): 74/74
green, and `detect_changes` reports only the three expected symbols and the
two `processFileGroup` flows `impact` predicted.

The test pins both halves: the rule's contract, and a structural assertion
that no site has re-inlined `${prefix}.${localIdentity(...)}` — the unit
assertions alone would still pass if a fourth phase spelled the rule out by
hand, which is exactly how the divergence arose.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(scope-resolution): give PHP's `$this` the same self-receiver exemption (#2699)

Review finding (LOW). The Step-1 skip added in this PR exempts `this`/`self`,
but the receiver name arrives as the reference node's RAW SOURCE TEXT —
`extractExplicitReceiver` returns `cap.text` verbatim — so PHP's `$this->x`
presents as the string "$this" and matched neither entry. PHP was the one
supported language whose self-receiver got no exemption at all.

Measured, and the measurement is why this is framed as consistency rather
than a bug fix:

  - Corpus delta ZERO. 762-file TypeScript corpus, CALLS+ACCESSES set diff:
    13179 -> 13179, added 0, removed 0. So no INCREMENTAL_SCHEMA_VERSION bump
    (stays 20), per the plan's decision rule.
  - No PHP shape found that DISCRIMINATES. Both the simple `$this->prop` /
    `$this->helper()` shapes and a closure reading `$this->…` inside a method
    that also declares a same-named local produce byte-identical edge sets
    with `$this` present and absent — Step 2 resolves the receiver's type
    first. The added test is therefore labelled a COMPANION INVARIANT, exactly
    as the `this.baseUrl` case beside it is, and does not claim to prove the
    fix.

It is still worth making: the exemption is protective, and the 709-removed /
0-true-lost measurement that justified the narrow guard was TypeScript-only,
so PHP's safety was never established by evidence. This closes that by
construction.

Two corrections to what the plan assumed, both found by checking:

  - The plan (and my first draft of this comment) claimed the codebase had no
    precedent for handling a sigil'd receiver name. FALSE: `THIS_RECEIVERS` in
    `core/ingestion/type-env.ts:244` has always listed `$this`, and it is the
    ingestion-side twin of this very list. The precedent does not merely
    exist, it validates the approach chosen here — list the spelling as data,
    do not strip sigils.
  - That twin also lists `Me`. Deliberately NOT mirrored: no entry in
    `SupportedLanguages` is Visual Basic, so it could only ever exempt a
    variable that happens to be called `Me`.

The two lists are otherwise the same set with nothing enforcing it — a fifth
instance of the twin-list drift class this PR keeps meeting. A drift guard is
the right fix and is out of scope here; noted for follow-up.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(rust): resolve `Self` in scope-resolution type bindings (#2699)

CI regression, caught by `tests / ubuntu / coverage` on 13d5e738 and traced to
the named-receiver Step-1 skip earlier in this PR (59b892ca), not to the three
commits above it — verified by reverting those three and reproducing the
failure unchanged.

`test/integration/resolvers/rust.test.ts > resolves fresh.validate() inside
impl User via Self {} inference` failed: 192/192 on main, 191/192 on this
branch. The fixture calls `fresh.validate()` where `let fresh = Self { .. }`
inside `impl User` — a genuine call to `User::validate`, and a TRUE edge that
the skip deleted.

Root cause is a twin-channel disagreement, not the skip:

  - `type-extractors/rust.ts:142` substitutes `Self` -> the enclosing impl
    type into the TYPE-ENV channel via `findEnclosingImplType`.
  - `languages/rust/interpret.ts` recorded `@type-binding.type` verbatim, so
    the SCOPE-RESOLUTION channel bound `fresh: Self` — a type that does not
    exist, leaving the receiver's type unknown and Step 2 unable to resolve.

`main` passed only because Step 1 still walked the lexical chain for named
receivers: the impl scope binds `validate` by name, so the call resolved BY
ACCIDENT. Stopping that walk turned a latent gap into a lost edge. The fix
closes the gap rather than restoring the accident — `Self` is now substituted
at capture-emit time in `languages/rust/captures.ts`, where the impl node is
reachable, reusing the `findEnclosingImpl` + `syntheticCapture` idiom already
in that file.

CORRECTION to this PR's central claim. "709 removed / 0 added / 0 true edges
lost" was measured on a 762-file TYPESCRIPT corpus and stated without that
qualifier. Rust lost one true edge. The measurement stands for TypeScript; it
did not generalise, and the PR body is being updated to say so.

Scope of the breakage, measured rather than assumed: 1 failure in 2927 tests
across all 51 resolver files. Every other language — Go, Java, C#, Kotlin,
Swift, Python, PHP, Ruby, Dart, C++ — passes, which is why this is a targeted
fix and not a revert of the skip.

Re-baselined `bench/scope-capture` for RUST ONLY (655aed01 -> 7f1240b3); the
other 14 language fingerprints are byte-identical. The drift is the intended
output change and the reason is recorded in the baseline entry, per that
file's own "explain, never re-baseline to make CI green" rule.

Verified: rust resolvers 192/192; all 51 resolver files 2926 passed / 1
skipped / 0 failed; the 8 targeted suites 96/96; all 8 CI bench gates PASS;
`tsc --noEmit` clean; `detect_changes` reports one touched symbol
(`emitRustScopeCaptures`) and no affected flows.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* test(golden): refresh the Rust capture golden and the C# PDG snapshot (#2699)

The two committed artifacts CI flagged after 5f55fe46. They drifted for
OPPOSITE reasons, so each was inspected before regenerating rather than
refreshed on sight.

RUST GOLDEN — drifted because 5f55fe46 CORRECTS the output. A `Self` type
binding now records the enclosing impl's type instead of the literal `Self`,
in both the `let x = Self { .. }` and `fn new() -> Self` forms. Blast radius
verified exact: 5 fixtures drifted, all 5 contain `Self`, and every
`Self`-bearing rust fixture is among them (rust-self-struct-literal,
rust-constructor-type-inference, rust-default-constructor,
rust-method-enrichment, rust-scoped-multi-file).

C# PDG SNAPSHOT — drifted because the named-receiver Step-1 skip (59b892ca)
REMOVED A FALSE EDGE. CALLS 7 -> 6, and the edge that went is:

    Demo.Resolve.Parse@142:12#1 -> Demo.Resolve.Parse@142:12#1

a self-call, from `int Parse(string v) => int.Parse(v);`. `int.Parse(v)` is
System.Int32.Parse; the lexical chain was binding it to the enclosing local
function that happens to also be called `Parse`. Same defect class as
`writer.close()` -> GraphEmitSink.close. The snapshot's own comment says it
exists so "a future refactor that silently rewires the C-family graph trips
this gate" — it tripped correctly, and the rewiring is an improvement.

Both failures were PRE-EXISTING on this PR from 59b892ca, not from the three
commits above it — verified by reverting those and reproducing unchanged. They
went unseen because this PR's CI was never watched after its first push.

Verified after regeneration, WITHOUT update flags so they must genuinely pass:
rust-captures-golden 9/9; pipeline-pdg 31/31. The snapshot diff is 3 lines,
all inside the C# entry — no other language's snapshot moved. `detect_changes`
reports 0 changed symbols (test artifacts only).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-27 17:56:38 +01:00
azizur100389
02ebf8f199 fix(ai-context): emit compact markdown tables 2026-07-27 08:47:38 +01:00
Gergő Magyar
4906daf27b
fix(scope-resolution): resolve calls through a closure-valued binding across languages (#2693) (#2695)
* fix(scope-resolution): resolve calls through a closure-valued binding (#2693)

`val f = { }; f()` emitted no CALLS edge in Kotlin or Swift, so `impact` on
such a symbol under-reported to zero — the same false all-clear as #2687.

The cause was not, as first suspected, that these languages fail to feed
`callable-value-flow`. They do: `synthesizeCallableFlowCaptures` is called
from 15 language capture modules, and Kotlin already resolves reassignment
through the pass (`var f = ::a; if (c) f = ::b; f(1)` reaches both targets).
Their captures are already exactly right — the seed names the binding as its
own callable, per the anonymous-callable convention in
callable-flow-captures.ts.

They died one layer later, at the `buildGraphTargetIndex` gate:

    if (!isCallable(def) && providerTarget?.(def) !== true) continue;

`isCallable` is Function/Method/Constructor, but the scope-resolution layer
declares a closure binding with its VALUE label (Kotlin/Swift `Property`),
and `isCallableValueTarget` is implemented by exactly one provider — COBOL.
So the binding never entered `graphTargets`; `lexicalCallableLookup` then
returned `shadowed: true` with no targets, which also suppressed the
workspace-wide fallback, and the seed resolved to nothing.

Only the graph knows a value binding holds a callable — since #2687 it emits
a single `Function` node for one. So value bindings now resolve their graph
id first and are admitted on the label of the node they actually reach.

This is self-limiting: a genuine constant keeps its own Const/Property node,
so `resolveDefGraphId`'s qualified key hits before the label-agnostic
`simpleKey` fallback can reach a same-named callable. Only a binding whose
own value node was replaced by a callable one gets through.

No scope kind changes — Kotlin's `lambda_literal` stays `@scope.block`, so
#1757 smart-cast semantics are untouched by construction. The fix is
language-neutral: it discriminates on the graph node label, never on a
language name.

Dart is fixed separately; its root cause is independent.

* fix(dart): resolve calls through a closure-valued binding (#2693)

Dart needed more than the shared gate fix: neither of its closure-binding
forms could resolve, for two different reasons, and the plan's one-line
diagnosis turned out to be incomplete.

TOP-LEVEL `var f = (x) => x;`
  A graph Function node already existed (#2687), but no `@declaration.*`
  matched the binding, so scope resolution had no SymbolDefinition to attach
  a flow seed to. Adding the declaration exposed a second problem: Dart's
  `initialized_identifier` is FIELDLESS, so the shared field-based assignment
  fallback (`left`/`name`/`value`/…) decomposed nothing and the binding still
  emitted no flow captures at all. Kotlin's fieldless `assignment` node hit
  exactly this and took the same remedy — a provider `extractAssignment`.

FUNCTION-LOCAL `void m() { var f = (x) => x; }`
  Locals parse as `initialized_variable_definition`, which the top-level
  graph-node rules are deliberately anchored under (program) to avoid, so a
  local closure had no graph node at all — nothing for the widened
  `buildGraphTargetIndex` gate to admit.

Both new rules are restricted to a `function_expression` value. Declaring
every Dart variable would mint defs and nodes repo-wide for no resolution
benefit; ordinary locals stay unindexed exactly as before. The top-level
declaration reuses the (program) anchor the graph-node query already relies
on, so class-body fields — which share `initialized_identifier_list` and are
already `@declaration.property` — are never matched twice.

Also drops the now-false note in tree-sitter-queries.ts claiming `f()` does
not resolve for Dart. That node is now the evidence that makes it resolve.

* docs(scope-resolution): document the callable-flow capture contract (#2693)

The module is 1200+ lines behind a nine-line docblock, and the only worked
example was C. Both root causes fixed in this series were "the contract was
discoverable only by reading the emitter":

  - the anonymous-callable convention (a seed whose source is a closure takes
    its DESTINATION's name) is what makes closure bindings resolvable at all,
    and is the reason the widened target gate is correct;
  - a fieldless binding node silently decomposes to nothing under the shared
    assignment fallback, which cost Kotlin one debugging cycle in #2522 and
    Dart another here;
  - captures alone are never enough — the bound name also needs a
    `@declaration.*` or there is no cell to key the seed on.

Records the cell/site model, both traps, and points at the fullest and
smallest worked examples.

Bumps INCREMENTAL_SCHEMA_VERSION 15 → 16 and the parse-cache SCHEMA_BUMP
22 → 23: this series emits NEW CALLS edges and new Dart Function nodes, and
the incremental write set only covers changed files, so an existing index
would keep reporting a zero blast radius for exactly the symbols the fix is
about.

* perf(scope-resolution): pre-filter value bindings in the callable target index (#2693)

Widening the `buildGraphTargetIndex` gate to consider VALUE bindings put the
hot loop on a much larger def population — value bindings outnumber callables
in real source — and the naive version paid full price per binding. Measured
on a synthetic 800-file corpus (8 value bindings per file, 1 of them a closure
binding), the widening cost 2.50-2.82x the pre-#2693 callable-only build.

Two wastes, both provable rather than guessed:

1. `definitionAnchorKey` ran for every def, including value bindings. The
   anchor index is keyed by callable LABEL and the key is built from
   `def.type`, so a value def can never hit it — and the key costs a regex
   per def.

2. Every value binding paid the whole `resolveDefGraphId` key chain only to be
   rejected. It need not: every qualified key that function tries embeds
   `def.type`, so for a VALUE def those can only ever reach a value-labelled
   node. Its one route to a callable is the label-agnostic
   `simpleKey(filePath, simpleName)` fallback, which by construction requires
   a callable node with the SAME file and simple name. So a value binding with
   no such node cannot resolve to a callable, and one Set lookup decides it.

That set is derived in the graph walk the anchor index already performs, so it
costs no extra pass.

  large_ms            7.79-8.37  ->  4.90-5.02   (1.61x faster)
  widening_overhead   2.50-2.82  ->  1.45-1.50

The resolved target-set fingerprint is byte-identical across both, which is
the point: this is a cost change, not a behaviour change.

Adds bench/callable-value-flow/ (fingerprint + scaling + widening-overhead
gates) and wires it into ci-tests.yml beside the other build-free benches. The
overhead budget of 1.9 sits between the measured with-filter and without-filter
bands, so it cannot be met if the pre-filter is removed. Timings use the MIN of
15 warmed reps, not the median: the same build reported 1.65 idle and 2.03
under load, and a median-based gate would have to be loosened past the point of
detecting the regression it exists to catch.

`buildGraphTargetIndex` is exported for the bench; it is pure and not part of
the pass's public contract.

* test(scope-resolution): assert the declaration route does not double-emit (#2693)

Go, Python, C++ and TS/JS already resolved a closure-binding call through
their `@declaration.function` capture. The widened `buildGraphTargetIndex`
gate gives the same call a SECOND possible route, so each must still produce
exactly one edge.

`tryEmitEdge` dedups by key, but a collapsed key and a site-anchored key are
DIFFERENT keys — a real double-emit would show up as two ids for one call
site, not be silently collapsed. Asserting on edge ids rather than target ids
is what makes that visible.

* fix(scope-resolution): join value bindings to their callable node by POSITION (#2693)

Review found the first cut of this series minted FALSE CALLS edges. Admitting a
value binding whose *resolved* graph node is callable let `resolveDefGraphId`
fall through to its label-agnostic, first-write-wins
`simpleKey(filePath, simpleName)` and bind the name to ANY same-named callable
in the file.

The safety argument in the previous commit — "a genuine constant keeps its own
Const/Property node, so the qualified key hits first" — silently assumed
`def.type === node.label`. It does not hold:

  - TypeScript declares `const` as `Variable` but emits a `Const` NODE, so the
    qualified key misses even though the value node exists;
  - Rust `let` bindings get no graph node at all, so the fallback is the only
    route.

Reproduced, all previously emitting a fabricated caller:

  const save = (x: number) => x * 2;   // next to an unrelated Svc.save
      -> Method:svc.ts:Svc.save#1      // Svc never instantiated
  const handler = other;               // shadowing a top-level handler
      -> Function:app.ts:handler       // unreachable from here
  let handler = cb;                    // Rust
      -> Function:main.rs:handler

Worse in Dart, where the same collision INVERTED the feature: the only edge went
to the class method and the closure's own node got none. The result was also
declaration-order dependent — two files differing only in declaration order got
different CALLS sets — and it propagated through argument-to-formal binding into
functions whose source never mentions the name.

A closure binding IS its callable node: same file, same line, same name. An
aliasing local is not. So the join is positional now — a file/line/name index
built in the graph walk `byAnchor` already performs — and value bindings never
run the key chain at all. That is both correct and cheaper:

  large_ms            4.90-5.02  ->  4.37-4.63
  widening_overhead   1.45-1.50  ->  1.43-1.58   (name-match design: 2.50-2.82)

with a byte-identical target-set fingerprint on the bench corpus.

Also from review:

  - `Static` dropped from VALUE_BINDING_DEF_TYPES: `normalizeNodeLabel` has no
    `static` case, so no def can carry that type — it was an entry no fixture
    could ever exercise. The remaining set now documents why it deliberately
    does NOT reuse `isOwnableValueLabel`, which is contracted to a different
    consumer.
  - Dart `final`/`const` top-level closures (static_final_declaration_list) and
    every declarator after the first in a multi-name local now resolve; both
    parse into shapes the earlier rules never reached.
  - The bench source carried a literal NUL byte, so git recorded it as BINARY
    and the only artifact pinning the target set was unreviewable in the PR
    diff. It is written as an escape now. Its corpus also modelled `startLine`
    as 1-based where graph nodes are 0-based, which would have stopped it
    exercising the value-binding path at all.
  - `call-summary-schema-version.test.ts` asserted `passesReuseGate(15)` is
    true; the 15 to 16 bump made that false and the test RED. It now pins 16 as
    current and 15 as rejected, matching the pattern every prior bump followed.
  - The v23 parse-cache comment is at the top of the list, not mid-list.

Tests: the five collision cases above are new regression tests, each confirmed
failing against the previous commit. Also added Kotlin class-body closures (the
only case exercising the Method arm), Dart top-level `final`, Dart multi-name
locals, and a warm-parse-cache replay for Kotlin and Dart — the #2693 captures
are replayed verbatim, so a serialization change would surface only on a SECOND
analyze and every other test here runs cold. The previous negative tests were
vacuous: they paired names that did not collide (`maxSize` vs `size`), so the
pre-filter rejected them before the guard they were named after could run.

* docs(storage): fix the schema-version changelog blocks (#2693)

Two problems, one mine and one not.

MINE: the `INCREMENTAL_SCHEMA_VERSION` block is ASCENDING (v2 … v15), and I
inserted v16 above v15 rather than at the end — I had just moved the parse-cache
entry to the top of ITS block, which is descending, and applied the same habit
to a list ordered the other way. Moved to the end; both blocks are now
internally consistent.

NOT MINE: the parse-cache block carries TWO v21 entries, with v20 wedged between
them. Tracing it: #2632 (Spring DI facts) bumped 20 -> 21 and merged first;
#2653 (Java JLS local-class identities) had branched at 20, also bumped to 21,
and merged second — so it shipped with NO invalidation of its own. An index
already stamped 21 by the first change was treated as current by the second and
kept serving stale local-class identities from the warm cache.

Numbers left alone: both genuinely shipped as 21, and renumbering them now would
misstate what users' indexes actually contain. Instead the entry says so
explicitly, and points at the process fix — re-check the constant against
origin/main immediately before merging, not just when the branch is cut. The
identical collision hit INCREMENTAL_SCHEMA_VERSION in #2653/#2654, so this is a
recurring failure mode of concurrent PRs, not a one-off typo.

Comment-only; no constant changes value.

* feat(scope-resolution): resolve closure bindings in Ruby, Java, C#, PHP and JS/TS var (#2693)

Ruby, Java, C# and PHP already emitted correct callable-flow seeds and invokes.
What they lacked was the #2687 piece — a CALLABLE graph node at the binding,
which is what buildGraphTargetIndex joins to by position. PHP additionally had
no scope declaration for the bound name, so the flow pass had nothing to attach
its seed to.

  ruby    handler = ->(x) { x }        handler.call(1)   -> Function:a.rb:handler
  java    Function<..> handler = x->x  handler.apply(1)  -> Function:A.java:A.handler
  csharp  Func<int,int> handler = ...  handler(1)        -> Function:A.cs:A.handler
  php     $handler = fn($x) => $x      $handler(1)       -> Function:a.php:handler

Ruby and Java invoke through the callable-object protocol; C# and PHP call the
binding directly. Locals work in all four, and a binding whose name collides
with a same-named method resolves to the CLOSURE, not the method.

Two things the sweep caught:

JAVA TWIN. Anchoring the rule on the inner variable_declarator produced BOTH a
Function and a Property node — the exact double-indexing #2687 removed. The
parse-worker dedup keys on (definition node, name), and Java's value rule
anchors on field_declaration, so the keys never matched. Re-anchored on
field_declaration / local_variable_declaration.

JS/TS `var`. `var f = (x) => x` kept a Variable label while const/let got
Function, because `var` is a different grammar node (variable_declaration vs
lexical_declaration) that no closure rule covered. A call through the binding
still resolved via the declaration route, so the CALLS edge pointed at a
NON-callable node. Now consistent across const/let/var.

That last one flipped an existing assertion in const-function-twin.test.ts,
which expected `Variable` for a var-bound function-expression. Its comment
explained why — "var has no matching @definition.function pattern, so nothing
claims the name" — i.e. it documented the gap rather than defending it. The
property it was really protecting (an UNCLAIMED value node survives) now has
its own case with a non-function initializer, and the var-closure case asserts
the collapse to one node, which is also the twin guard for the new rule.

Known limits, both pre-existing and both failing safe:

  - A PHP local closure whose name collides with a top-level function gets no
    edge: both want id Function:<file>:<name>, so the closure never gets its own
    node. This is the file-scoped node-identity convention — TypeScript, Python
    and Dart collapse identically at base.
  - TS/JS class-field arrows stay Property (Kotlin's equivalent emits Method).
    They already resolve; changing the label risks the HAS_PROPERTY ownership
    regression #2687 hit once.

The invalidation constants already bumped in this PR (INCREMENTAL_SCHEMA_VERSION
16, SCHEMA_BUMP 23) cover these additional languages; their notes now say so.

Tests: one case per newly-resolving language plus the PHP anonymous-function
form and the JS var form, in closure-binding-labels.test.ts. The file now spins
a worker pool per test across a dozen languages, so its timeout is raised
file-wide — a case that takes ~7s alone was exceeding the 30s default under
that contention.

* fix(ingestion): class-field closures are callable members in TS/JS (#2693)

A CALLS edge must target a callable node. `class A { handler = (x) => x }` emitted
a Property, so calling it produced `CALLS -> Property:A.ts:A.handler` — an edge
pointing at something the graph says is not callable. Same defect class as the
JS/TS `var` binding fixed in the previous commit, and the last place a closure
binding still carried a value label.

Kotlin already models its class-body closure as Method + HAS_METHOD; TS/JS now
match, so all three agree:

  class-field closure   -> Method   + HAS_METHOD    (CALLS target is callable)
  plain class field     -> Property + HAS_PROPERTY  (unchanged, no CALLS)

Anchored on public_field_definition / field_definition — the same nodes the
property rules use — so the parse-worker dedup collapses the pair rather than
leaving a Method/Property twin, the failure the Java rule hit in the previous
commit.

ON MATCHING THE COMPILERS. This deliberately diverges from tsc and SCIP. The
TypeScript compiler classes `handler = () => {}` as a PropertyDeclaration
("a property declaration independently from what it's assigned to"), and SCIP
gives it a `.` term descriptor, the same suffix as any field — both call it a
property, and Kotlin's compiler likewise treats `val f = { }` as a property with
a function type. The divergence is intentional: GitNexus's Function/Method label
does not mean "tsc SymbolFlags", it means "this node can be the target of a
CALLS edge", which is the convention #2687 set for closure bindings in every
language. Modelling it the compiler's way would mean either dropping call
resolution for these members or emitting a separate node for the lambda and
flowing the property to it — the two-node shape #2687 removed. Recorded here so
the next reader does not "fix" it back.

Tests: TS and JS class-field arrows resolve to their Method node, plus a guard
that a NON-closure class field stays a Property — the closure rule must key on
the initializer, not on the field syntax.

* fix(php): keep the $ sigil on closure-binding nodes so locals stop colliding (#2693)

A PHP local closure whose name matched a file-level function got NO edge at all:

    function save($x) { return $x; }
    function run() {
      $save = fn($x) => $x * 2;
      return $save(1);              // no CALLS edge
    }

Both minted the id Function:<file>:save, so the closure's node was swallowed by
the function's and the positional join found nothing at the binding's line.

The fix is PHP's own semantics rather than a change to node identity across the
graph. PHP holds variables and functions in SEPARATE namespaces — $save and
save() cannot collide in the language — and the sigil is what separates them.
Dropping it was the bug. The node rule now captures the whole variable_name, so
the closure is Function:<file>:$save and the function stays Function:<file>:save.
languages/php/query.ts already keeps the sigil on property declarations for the
same reason, so this makes the two consistent.

The positional join normalises a leading $/@ on both sides, matching what the
scope layer and the callable-flow synthesizer already do, so the binding still
matches its own declaration while its NODE stays distinct.

    local closure + same-named function -> Function:c.php:$save   (the closure)
    calling the real function           -> Function:f.php:save    (unchanged)
    plain $max = 10                     -> no node, no edge       (unchanged)

WHAT THIS DOES NOT FIX. The general problem is wider than PHP: GitNexus node ids
are file-scoped, so a function-local symbol and a file-level one with the same
name collapse in TypeScript, Python and Dart too, and Java/C# only escape by
qualifying on the enclosing CLASS (so two same-named locals in different methods
still collide). SCIP solves it with a separate `local <id>` keyspace that is
document-scoped and never globally addressable. That is issue #2699 — it changes
persisted ids for every function-local symbol and needs its own invalidation, so
it is not bundled here. PHP is fixed on its own merits: the sigil belongs in the
identity regardless of how locals are eventually scoped.

* test(scope-resolution): pin the closure-binding caller-attribution limit (#2693)

Review of this PR found the new callable nodes are call TARGETS but never call
SOURCES: a call made INSIDE a closure binding is attributed to the enclosing
scope, so `impact(handler, direction:"downstream")` reports nothing even though
the closure calls out. Consistent across Kotlin, Dart, Ruby and PHP; TS/JS free
bindings are the exception because their arrow carries a @scope.function whose
range matches.

Not fixed here — pinned, so the boundary is visible instead of surprising, and
so a change in EITHER direction fails a test.

The cause is precise: `pickCallerCallableDef` (graph-bridge/ids.ts) finds the
caller by walking CHILD scopes whose range contains the call site, gated on
`child.kind === 'Function'`. A closure literal is a BLOCK scope in these
languages (Kotlin deliberately, #1757 smart casts), AND the binding's def is
owned by the enclosing scope rather than by the closure's scope — so neither
half of the link exists. Fixing it needs "callable boundary" decoupled from
scope `kind` plus an association between the closure scope and its binding.
That is a change to the caller anchor used by every call in the repo, which is
not something to land at the tail of this PR.

Also adds a unit suite for `buildGraphTargetIndex` itself, covering what the
integration tier cannot isolate: a binding is admitted only on POSITIONAL
evidence, a name-only match is rejected, a non-callable node at that position is
rejected, an ambiguous position claimed by two callables is rejected, and the
PHP dollar sigil normalises across the join while still not matching a
same-named function on another line. That last one closes the review's LOW —
the node/declaration name asymmetry now has an executable contract rather than
resting on a comment.

* docs(test): correct the per-language cause of the attribution limit (#2693)

The comment on the pinned attribution tests claimed "a closure literal is a
BLOCK scope in these languages". That is true for Kotlin (lambda_literal
@scope.block, #1757) and Ruby (do_block/block @scope.block) and FALSE for PHP:
anonymous_function and arrow_function are already @scope.function
(php/query.ts:61-62). Dart is a third case again — it has no scope over a
closure literal at all.

So the four languages fail at three different points, not one:

  Kotlin, Ruby  fail the `child.kind === 'Function'` gate
  PHP           passes that gate; its closure scope owns no callable def,
                because the binding's def belongs to the enclosing scope
  Dart          has no child scope for the walk to consider

Worth correcting carefully rather than tidying: a follow-up plan re-stated this
comment instead of re-deriving it, and inherited the misdiagnosis — it proposed
"relax the kind gate" as required for all four, which is a no-op for PHP and
unreachable for Dart. A review caught it. The comment now states each language's
actual blocker and says why the distinction matters.

Comment-only; the three pinned tests are unchanged and still pass.

* fix(scope-resolution): an ordinary JS/TS `function` binds its own `this` (#2701)

`this.m()` inside a nested `function` resolved to the lexically enclosing
class, so it emitted a CALLS edge that does not exist at runtime — including
the exact `forEach(function () { this.m(); })` shape arrow functions were
introduced to avoid:

    class D {
      m() {}
      build() { const h = function () { this.m(); }; return h; }
    }
    // CALLS: Function:D.ts:D.h -> Method:D.ts:D.m#0      FALSE

ECMA-262 gives an arrow `[[ThisMode]] = lexical`: it has no `this` binding in
its environment record, so the lookup passes through to the enclosing
environment. Every other function form binds `this` at call time. `tsc` draws
the same line by resolving `this` through `getThisContainer` with
`includeArrowFunctions = false`. That one rule is the whole fix.

Languages declare it; shared code never learns a language. The query files —
the one place that already names grammar nodes — tag every non-arrow function
form with `@receiver-owner.this`, which becomes `Scope.ownsReceivers`. A
receiver walk that reaches such a scope without finding the name stops there
instead of borrowing an enclosing scope's binding. Every other language leaves
the field unset and is bit-for-bit unchanged; a Kotlin lambda, which DOES
capture the enclosing `this`, still resolves (pinned as a test).

THREE GATES, ALL LOAD-BEARING. The false edge survived each one alone, which
is why the tests assert on the emitted edge rather than any single walk:

  1. `Scope.ownsReceivers` stops BOTH receiver-type walks — `findReceiver
     TypeBinding` here and its twin `lookupReceiverType` in gitnexus-shared's
     `lookup-core`, which was resolving the receiver independently.
  2. `LanguageTypeConfig.thisBoundaryNodeTypes` stops the type-env AST walk
     that infers a receiver's type during capture.
  3. `isReceiverOwnedButUnbound` makes `receiver-bound-calls` SUPPRESS the
     site. Without it the member still resolved by NAME through `lookupCore`'s
     lexical chain — the class-body scope binds `m` two scopes up — merely at
     lower confidence. An owned-but-unbound receiver is a definitive negative,
     not a miss, so it must not reach a receiver-blind fallback.

Also fixed: `function*(){}` as an expression was not a `@scope.function` at
all, so `this` inside one read as the enclosing method's.

WHAT THIS GIVES UP. The fix REMOVES edges, and some were correct:
`.bind(this)`, `.call(this)` and `forEach(fn, thisArg)` do make `this` the
instance at runtime. Their correctness is fixed at the CALL SITE, which no
scope-level rule can see, so the choice is between losing them and keeping
every detached-callback false positive. All three are pinned as tests
asserting the empty result, so changing the trade later is deliberate.
`this` in a static method also stops resolving to the INSTANCE member — that
edge was wrong in the other direction.

INVALIDATION. Both constants move, and the parse-cache one is not optional:
`ownsReceivers` lives on the cached `Scope`, and a warm cache replays scopes
without it — verified by probe that `--force` alone does NOT re-derive it, so
the fix silently did nothing until SCHEMA_BUMP moved. INCREMENTAL_SCHEMA_
VERSION 16 -> 17 (the incremental write set covers only changed files, so
unchanged TS/JS files would keep their fabricated `this` edges);
SCHEMA_BUMP 23 -> 24.

Verified against a built index, not by reading: all three false edges from the
issue gone, every correct edge kept, same result in JavaScript through its
separate grammar. 64 tests green across the new suite plus the closure-binding
and schema-version suites. The full suite's 36 failures are pre-existing
load-flakes — confirmed by A/B: `skip-git-cli` fails FOUR tests on a clean
HEAD versus three with this change, and `pipeline-pdg-streaming` passes in
isolation either way.

Refs #2701

* fix(ingestion): give function-local callables their own identity (#2699)

Graph node ids were file-scoped, so a local callable and a same-named
file-level one collapsed onto ONE node. That is a wrong answer, not a missing
one — the local call was attributed to the file-level symbol:

    export function save(x) { return x; }
    export function run()   { const save = x => x * 2; return save(1); }
    export function other() { const save = x => x * 3; return save(2); }

    // ONE node Function:a.ts:save, and BOTH run and other pointed at it, so
    // `impact` on the top-level save reported two callers that never call it.

A local's identity is now its enclosing-callable chain plus its own position —
`run.save@2:2`. The chain is for humans reading `impact`; the position is what
makes it correct. Names alone cannot express what ECMAScript actually
specifies, and the gap is the language's, not the grammar's: an environment
record is created per function AND per block, so an anonymous function has no
name to contribute and sibling blocks hold distinct bindings under the same
name. One positional rule settles both, with no conditionals and no
"disambiguate only when it looks ambiguous" heuristic — the ambiguity-flag
class of bug that bit #2514. SCIP reaches the same place with its
document-scoped `local <id>` keyspace.

Top-level functions and class methods are NOT locals and keep their ids
byte-for-byte. That is the bound on the churn: this touches only symbols that
are unreachable from outside their own document anyway.

RESOLUTION JOINS BY POSITION, NOT BY NAME. `resolveDefGraphId` matches a def
to its node on (file, label, line, simple name). A def and its node are the
same construct, so this needs no scope chain at all — which is the point:
re-deriving the chain in the resolver would be a second implementation that
could silently disagree with the first. A genuine tie (two callables on one
line) stores an AMBIGUOUS_POSITION tombstone and falls through to the existing
name keys rather than picking by source order. Without this the node ids were
already correct and calls STILL resolved to the file-level symbol — the fix is
only half a fix without it.

JS/TS GAIN BLOCK SCOPES. They emitted no `@scope.block` at all, so the
resolver could not tell two `const pick` in sibling branches apart. Giving
them distinct ids made that visible as DUPLICATE edges — each call resolving
to BOTH — which is worse than the collapse it replaced. `(statement_block)
@scope.block` supplies the missing environment record. The other half of the
ECMAScript rule was already implemented and waiting: `tsBindingScopeFor`
hoists `var` past blocks to the enclosing Function/Module while `let`/`const`
bind innermost, and its docblock already claimed "the innermost default covers
these" for block scopes that did not exist. All 82 scope-resolution test files
pass with blocks on.

Verified by probe, per case: two locals in different functions, a local inside
an ANONYMOUS function (`outer.fn@1:9.save@2:4`), sibling blocks resolving to
their own binding, `var` still hoisting out of its block, a nested named
`function` vs a file-level one, PHP composing with the `$` sigil from #2693,
and Python. Top-level/method ids unchanged, asserted directly.

Every assertion is on the EDGE, not on node existence. Ids are built twice and
independently — definition phase and caller attribution — and a one-character
disagreement makes the caller attach to a node that does not exist and the
edge vanish, with nothing thrown and no test failing. An edge assertion can
only pass if both phases agree.

INVALIDATION. INCREMENTAL_SCHEMA_VERSION 17 -> 18 and SCHEMA_BUMP 24 -> 25:
persisted node ids change for every function-local callable, and the cached
scope tree lacks block scopes. A top-up would leave unchanged files on the old
ids while changed files emit the new ones, splitting each symbol in two.

Bench fingerprint unchanged and both timing budgets pass. The one full-suite
failure (incremental-orchestration) passes in isolation — its log shows stale
init locks and WAL reclaim, i.e. LadybugDB contention under the parallel run.

Refs #2699

* perf(ingestion): emit block scopes only where they bind something (#2699)

Block scopes make `let`/`const` in sibling blocks distinct bindings, which is
what stopped a call in one branch resolving to both. Emitted naively — one
scope per `statement_block` — they also cost ~10% of analyze wall time, because
every scope-chain walk in every function then steps through levels that bind
nothing.

Two emit-side filters keep the semantics and drop the waste:

  1. A block that IS a function body duplicates the enclosing Function scope.
     Nothing can be declared between a function and its own body, so a binding
     in either resolves identically — the inner scope is pure depth.
  2. A block that declares no `let`/`const`/`class`/`function` binds nothing,
     so it is transparent: a lookup finds nothing in it and walks to the
     parent. `var` is deliberately excluded from that list — it hoists past the
     block to the function, so a block containing only `var` still binds
     nothing.

MEASURED, on a 762-file / 228k-line TypeScript corpus (gitnexus/src), min of 6
warmed reps with the cold first rep discarded:

    block scopes emitted   19,389  ->  5,331     (-72%)
    total scopes           35,942  ->  21,884    (-39%)
    analyze wall time      +9.8%   ->  +1.6-2.5% vs pre-#2699
    peak RSS (whole tree)  2398MB  ->  2434MB    (+1.5%, inside run-to-run noise)

The filters themselves are free: scope emission over the same corpus measured
12.6s naive vs 12.5s filtered.

Wall-clock on a shared runner has a ±10% spread run to run, which is wider than
the effect being optimised, so the durable gate added here counts scopes
instead. `bench/scope-emission/measure.mjs --check` asserts an EXACT scope set
over a synthetic corpus that mixes the shapes the filters discriminate between
— function/method/arrow bodies, non-declaring if/else/for/while/try, blocks
that declare `const`, and a `var`-only block. Baseline is 2 block scopes per
module: only the two `if`/`else` branches that declare `const chosen`. If the
filters regress that number jumps immediately, in a way wall-clock CI could
never resolve from noise. Wired into the existing benchmarks job.

Behaviour is unchanged: 86 scope-resolution and identity test files, 1371
tests, all green — including the sibling-block case this could plausibly have
broken — and the callable-value-flow fingerprint is untouched.

Refs #2699

* test(bench): re-baseline the TS/JS scope-capture fingerprints for #2701

`bench/scope-capture` fingerprints the full capture set per language, and
#2701 added a `@receiver-owner.this` marker to every non-arrow function form
so a scope that BINDS its own `this` can terminate the receiver walk. That is
a capture-set change, so the TypeScript and JavaScript fingerprints moved and
the benchmarks job has been failing since that commit — I pushed it without
checking CI.

A fingerprint is a correctness gate, so this does not simply adopt the new
value. Verified first by diffing the capture-name HISTOGRAM over the same
fixture corpus against 1d308817 (the commit before #2701), which says what a
fingerprint cannot: WHICH names moved.

    typescript   @receiver-owner.this   0 -> 143
    javascript   @receiver-owner.this   0 -> 32

Nothing else. Every other capture count is byte-identical, so no existing
capture shifted and the drift is entirely the intended marker. Both languages'
scaling ratios stay well inside their 1.5 budgets (0.976 / 1.025).

Note `@scope.block` does not appear in the delta: the #2699 filters suppress a
block that is a function body or that declares no binding, and no fixture in
this corpus has a block that binds. Block-scope emission is guarded separately
by `bench/scope-emission`, whose synthetic corpus exercises exactly those
shapes.

Refs #2701

* fix(ingestion): stop the callable-prefix walk at class bodies, not only declarations (#2699)

An anonymous class owns its members, but `CLASS_CONTAINER_TYPES` lists only class
DECLARATION nodes — and a Java anonymous class has none. It is

    object_creation_expression > class_body > method_declaration

so `enclosingCallablePrefix` sailed straight through the anonymous body, reached the
enclosing method, and re-keyed the member as a function-local of that method:

    Method:src/Worker.java:Worker$1.run#0
    -> Method:src/Worker.java:Worker.makeHandler.run@7:12#0

That destroys the javac-compatible JLS identity #2550/#2555/#2562 exist to provide, and
broke four existing Java tests that this PR never touched — anonymous-class instance
identity, local-type identity, and enum-constant-body chaining.

The design was right; the boundary was blind. `CALLABLE_PREFIX_BOUNDARY_TYPES` adds the
body and anonymous-construction forms (`class_body`, `interface_body`,
`annotation_type_body`, `enum_body`, `enum_body_declarations`, `enum_constant`,
`object_creation_expression`, `object_literal`,
`anonymous_object_creation_expression`). Over-inclusion is the SAFE direction here: an
extra boundary only suppresses the nesting prefix, falling back to the pre-#2699 class
qualification.

This also falsifies the claim in the #2699 commit that "top-level functions and class
methods keep their ids byte-for-byte" — an anonymous-class method IS a class method, and
its id did change. The claim was true only for the shapes that were tested.

Also removes the dead `NO_QUALIFIED_NAME` constant, which contained a literal NUL byte.
That byte made `file(1)` report the source as `data` and made plain `grep` return zero
matches for ANY pattern in the whole 2,928-line file — which is why several greps during
development came back mysteriously empty. Two other files carry NULs; they are
pre-existing and out of scope here.

INVALIDATION. INCREMENTAL_SCHEMA_VERSION 18 -> 19 and SCHEMA_BUMP 25 -> 26. This is not
defensive: an index stamped v18 holds the WRONG Java ids, and without the bump it passes
the `=== INCREMENTAL_SCHEMA_VERSION` reuse gate and keeps them on every unchanged file.

Found by the PR #2695 tri-review (review 4782134453) — independently by a Claude
adversarial AST probe, by Codex's swarm, and by CI (`tests / ubuntu / coverage 2/3`).
Verified: `resolvers/java.test.ts` 247/247 (was 243/247), plus this-boundary,
function-local-identity and the schema-version suites.

Refs #2699

* fix(scope-resolution): fail closed when a function-local shadows a same-named callable (#2699)

The #2699 positional join failed OPEN. On a position miss `resolveDefGraphId` fell
through to the label-agnostic, first-write-wins `simpleKey(filePath, simpleName)`, which
aliases a def onto whichever same-named callable was registered first — the exact
fabricated-caller mechanism this PR's own #2693 work already shipped once as a P0.

It misses because the two id phases anchor on different nodes BY DESIGN:
`tree-sitter-queries.ts` anchors the graph node on the outer `lexical_declaration`, while
`languages/typescript/query.ts` anchors the scope def on the inner `arrow_function` so
`anchor.range` lines up with `@scope.function` for auto-hoist. Split the declaration
across lines and those land on different LINES:

    export function run()   { const pick =
        (x) => x * 2; return pick(1); }
    export function other() { const pick =
        (x) => x * 3; return pick(2); }

    before:  run   -> run.pick@1:2      correct
             other -> other.pick@6:2    correct
             other -> run.pick@1:2      FABRICATED — other() never calls run's pick

Every fixture in function-local-identity.test.ts kept the declaration and its initializer
on ONE line, where the anchors coincide. That is why the suite stayed green while the bug
shipped, and the new test deliberately splits them.

WHY NOT A BLANKET FAIL-CLOSED. A position miss is not always a collision: it also happens
where the anchors legitimately differ, e.g. a Vue SFC, whose graph nodes carry
`+ lineOffset` while scope extraction does not. Failing closed on every miss would delete
correct edges there. So the guard is keyed on evidence that the collision is REAL —
`localNameKey` records that a function-local of this simple name exists in the file
(local-identity nodes are recognisable by the `@<row>:<col>` on their last name segment).
Only then is a miss treated as ambiguity. Files with no such local keep their previous
fallback behaviour byte-for-byte.

A missing edge is the correct failure direction here: `impact` can recover from an absent
caller, but a fabricated one silently corrupts the answer.

WHY NOT UNIFY THE ANCHORS. Considered and rejected: the split is deliberate and
load-bearing for auto-hoist across every language (the `rangesEqual(anchor.range,
innermost.range)` rule), so unifying it would fight that discipline far outside this fix.

The regression test was verified to DISCRIMINATE: with the guard disabled it fails on
exactly the fabricated edge (`+ "Function:m.ts:other -> Function:m.ts:run.pick@1:2"`).

impact(resolveDefGraphId, upstream) is CRITICAL — 62 impacted, 23 direct, 6 flows — which
is precisely why the guard is gated rather than broad. detect_changes: HIGH, 8 affected
processes, all in EmitReceiverBoundCalls / EmitRubyMixinEdges. Verified: 85 test files /
1364 tests green, including every scope-resolution unit.

Found by the PR #2695 tri-review (review 4782134453): raised by Codex's adversarial leg,
mechanism source-confirmed during synthesis, then reproduced end-to-end.

Refs #2699

* fix(typescript): stop the enclosing-type walk at nodes that rebind `this` (#2701)

`findEnclosingType` walked `node.parent` to the top of the file with no boundary, so it
happily synthesized a `this` binding from a type that does not own the member:

    class A { outer() { const o = { inner() { return this.x; } }; return o; } }

`this` inside `o.inner` is `o`, never `A` — but the walk reached `A` and bound to it, so
every `this.…` in such a method resolved against the wrong type. Only the module-level
object literal escaped, because there was no enclosing class to reach. Applies to
JavaScript too: `languages/javascript/captures.ts` calls the same function.

Boundary set: object literals and the function forms that rebind `this` at call time.
Arrows are deliberately absent — they inherit `this` lexically, which is what makes a
class-field arrow `m = () => this.x` resolve.

WHY THE MARKER WAS NOT ALSO REMOVED FROM METHOD FORMS.

The review argued `@receiver-owner.this` over-suppresses: `synthesizeTsReceiverBinding`
returns null for static members, object-literal methods and anonymous class expressions,
so those scopes are "owned but unbound" and get suppressed, losing edges the base
resolved. Removing the marker from the method forms was tried and MEASURED, and the
result does not support shipping it:

    marker removed, probe of all five shapes:
      static -> static            RESTORED (true)
      object literal (module)     RESTORED (true)
      anonymous class expression  RESTORED (true)
      static -> INSTANCE          FALSE EDGE returned
      object literal in a class   FALSE EDGE (Nested.outer.inner -> Nested.x)

The last one is the point: this fix stops the false *synthesis*, but removing the marker
re-enables receiver-blind *name* resolution in `lookupCore`'s lexical chain, which
recreates the same wrong edge by another route. The restored edges and the false ones
come from the SAME mechanism — a name walk — so they cannot be separated by toggling the
marker. The real trade is 2 genuinely-new true edges for 2 false ones, not the 3-for-1
the plan assumed.

Corpus evidence (762 real TypeScript files, edge SETS not counts, cold cache both arms):

    baseline vs marker-removed:  net 0, REMOVED 0, ADDED 0

Neither the gains nor the losses occur in production code. Given a 1:1 true/false ratio
on synthetic shapes and zero effect on real ones, the marker stays: for a graph feeding
`impact`, a fabricated caller is worse than an absent one — the same principle applied in
the fail-closed positional join. The three shapes remain UNRESOLVED rather than wrongly
resolved; resolving them properly needs a typed binding for object literals, anonymous
classes and static contexts, which is a feature, not this fix.

Measured with an edge-SET diff harness, after both ce-doc-review passes established that
an edge COUNT cannot decide this (it conflates edges gained with edges lost, so a
near-zero net reads as "no regression"). The harness also had to wipe the index each arm
— a warm parse cache initially reported an unchanged edge set across a real behavioural
change, the same trap documented in the v24 SCHEMA_BUMP note.

detect_changes: low risk, 3 symbols, no affected processes. 85 files / 1365 tests green.

Refs #2701

* docs(test): correct the false "three load-bearing gates" claim (#2701)

The header of `this-boundary.test.ts` asserted that all three gates were
independently load-bearing because "the false edge survived removing any one of
them alone". That was true DURING development, measured incrementally, and was
carried into the shipped comment without being re-tested against the finished
code. It is false: gate 3 (`isReceiverOwnedButUnbound` in `receiver-bound-calls`)
runs FIRST and marks the site in `handledSites`, which `emitReferencesViaLookup`
then skips — so for an explicit `this` receiver it subsumes gate 1. Removing
gate 1's `ownsReceivers` check in `gitnexus-shared/.../lookup-core.ts` leaves all
10 tests in the file passing; verified by experiment.

The gate is RETAINED, and the review's recommendation to delete it as "dead" is
rejected on evidence. `receiver-bound-calls` only suppresses EXPLICIT receivers
(`if (site.explicitReceiver === undefined) continue;`), whereas `lookup-core`'s
gate is also reached for IMPLICIT ones through `IMPLICIT_RECEIVERS` in
`resolveReceiverOwner` — a bare `m()` inside a nested `function` inside a method
goes down that path. The experiment shows the gate is UNTESTED, not unreachable;
those are different claims and only the first is supported. Deleting it on the
strength of a green test run would have removed live code, which is the same
reasoning error the corrected comment is about.

This is a documentation-only change: no behaviour, no test expectations. The
correction is recorded in place rather than silently rewritten, because the way
the claim came to be wrong — measured on an intermediate tree, then asserted
about the final one — is the reusable lesson.

Refs #2701

* test(scope-resolution): pin the block-scope ACCESSES delta as false-edge removal (#2699)

The tri-review flagged that enabling `(statement_block) @scope.block` for
JS/TS drops 114 `ACCESSES -> Const` edges corpus-wide with `added: 0`,
undocumented and untested. That was recorded as a suspected regression.

It is not one. All 274 emitting reference sites behind those 114 edges were
classified by re-reading the source at the site: 269 are member reads, the 5
others are classifier artifacts (the name recurs earlier on the line, as in
`a.b.declLine` for `b`) and are member reads too. No edge was
bare-identifier-only. Every dropped edge was a property read
(`options.baseUrl`) mis-resolving to an unrelated function-local `const` of
the same name in the same file.

The cause is not block-specific: `lookupCore` Step 1 walks the lexical chain
for every lookup, including explicit-receiver property reads. Block scopes do
not fix that, they narrow it, by moving the local off the chain of any
reference outside its block. A local declared directly in the function body
still hijacks the read; that is pre-existing and left alone here.

Two tests. The first discriminates: it fails with the block capture removed
(the false edge reappears) and passes with it. The second is a companion
invariant, identical in both arms, so that "the edge went away" cannot be
satisfied by a change that dropped Block-kind bindings outright.

Fixture notes, both of which defeated earlier attempts at this edge class:
`pruneLocalSymbols` deletes ~94% of function-local value symbols, so the
`const` under test must be kept via `keepLocalValueSymbols`; and the member
read must sit outside the block, since inside it the block is on the
reference's own chain and the false edge appears in both arms.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* docs(ingestion): correct the SCIP citation on the function-local id (#2699)

The comment justified the positional, name-bearing local id (`fn@12:9`) as
"same reasoning as SCIP's document-scoped `local <id>` keyspace". SCIP is the
wrong citation for this key shape: its `local <id>` is a per-document counter,
and the spec states that locals do not encode the name.

SCIP remains prior art for the document-scoped keyspace itself, which is the
part the argument actually leans on, so the reference is corrected rather than
dropped. clang's USR for a function-local (`name@offset`) and Kythe's C++
indexer are the accurate citations for a positional, name-bearing key.

Comment only, no behavior change.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* fix(typescript,javascript): sync the function node-type lists, and test it (#2701)

Four hand-maintained lists answer "which node types are function-like":

  1. `query.ts` — the `@scope.function` / `@receiver-owner.this` patterns
  2. `captures.ts` — `FUNCTION_NODE_TYPES` (callable-flow synthesis + the
     body-block filter)
  3. `receiver-binding.ts` — `THIS_REBINDING_BOUNDARY_TYPES`
  4. `type-extractors/typescript.ts` — `THIS_BOUNDARY_NODE_TYPES`, whose
     docstring already claimed it was "kept in sync with `@receiver-owner.this`"
     with nothing enforcing it

`generator_function` (the EXPRESSION form, `const g = function* () {}`) was
added to both queries for #2701 and is present in lists 3 and 4, but was
missing from both `FUNCTION_NODE_TYPES`. Added.

That gap changes no graph output today, and the commit does not claim
otherwise. Measured on `const g = function* (x) { yield x; }; g(1)`: node and
edge sets are byte-identical with and without the entry. The `this` boundary
was already correct via the query marker — `this-boundary.test.ts` has a
passing generator case. A generator-expression binding still emits a `Const`
node rather than a `Function` one, so its call resolves to nothing either way;
that label comes from the definition rules, and closing it is a separate change
NOT made here.

So the entry is list consistency and the test is the real deliverable. It
asserts lists 1 and 2 EQUAL, and lists 3 and 4 as subsets of the query markers
with an explicit allowlist — the method forms bind their own `this` but the
class is their `this`-owner, so neither walk may stop there. Verified
discriminating: removing the `generator_function` entry fails both equality
assertions.

The lists are exported for the test; no other production surface changes.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

* test(bench): gate scope emission per language, not TypeScript-only (#2699)

The scope-emission gate ran the TypeScript emitter only, so a JavaScript-only
regression shipped green. The two filters it guards are implemented twice —
`FUNCTION_BODY_OWNER_TYPES` in `typescript/captures.ts` and
`JS_FUNCTION_BODY_OWNER_TYPES` in `javascript/captures.ts`, each with its own
`blockDeclaresBinding` and `BLOCK_BINDING_CHILD_TYPES` — so covering one said
nothing about the other.

Adds a structurally parallel JavaScript corpus (the same shapes with the
TS-only syntax removed) and splits `baselines.json` per language. `--check`
now also fails when a baselined language is not measured, which is how a gate
goes quietly green.

Verified the new arm bites: disabling the JS body-block filter alone takes
JavaScript from 400 to 600 block scopes and fails `--check`, while TypeScript
stays green — the exact regression the old gate would have passed.

The two languages happen to agree exactly on this corpus (2 blocks per module,
2200 scopes). That is recorded as a measured result, not an invariant: each
language is still gated against its own baseline. TypeScript's numbers are
unchanged.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0184RmD24KFJidYqpM7v3XjR

---------

Co-authored-by: Gergo Magyar <abhigyan1.patwari@gmail.com>
Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-27 07:52:18 +01:00
azizur100389
24584297d2
fix(trace): add file disambiguator alias (#2705) 2026-07-27 05:05:14 +01:00
azizur100389
8307e3f01f
fix(setup): preserve existing OpenCode config.jsonc (#2694)
Some checks are pending
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / Classify release event (push) Waiting to run
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
2026-07-26 16:23:34 +01:00
Abhigyan Patwari
d4fbc544c6
Merge pull request #2698 from diarized/fix/spurious-fts-unavailable-warning
fix(fts): stop warning "FTS extension unavailable" on the run that installs it
2026-07-26 13:51:15 +05:30
Gergő Magyar
7a064a1f2a
fix(storage): stop the Windows \\?\ long-path prefix from breaking repo path matching (#2667) (#2700)
* fix(lib): add stripWindowsLongPathPrefix for path comparisons (#2667)

A caller can hand GitNexus a `\\?\`-prefixed path — the usual MAX_PATH
workaround on Windows — and `path.resolve` preserves the prefix, so it
reaches every string comparison GitNexus keys paths on. It also poisons
relativization: `path.win32.relative` cannot express a relative path
between a prefixed and an un-prefixed form of the same directory, so it
returns the absolute target instead. That absolute string is the shape
reported in #2667.

The helper is deliberately scoped to the comparison domain. libuv's
`fs__capture_path` does not re-add the prefix for over-MAX_PATH paths, so
stripping a filesystem-facing path would break long-path access on hosts
that have not opted into LongPathsEnabled. `\\?\Volume{GUID}\…` is left
alone because the remainder is not a usable path.

The test is fixture-free and takes an explicit `platform`, mirroring
`normalizeAnalyzerRootPath`, and is registered on the cross-platform
matrix since the whole transform is a POSIX no-op.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* fix(storage): normalize the `\\?\` prefix in canonicalizePath (#2667)

`canonicalizePath` is the single comparison key for the repo registry,
MCP repo resolution and the server repo routes, and `registryPathEquals`
compares its output as a plain string. A caller-supplied `\\?\` prefix
therefore matched nothing: a repo registered as `D:\repo` was invisible
to a caller passing `\\?\D:\repo`, which surfaces as "repo not found" or
a duplicate registration from `analyze`, `remove`, `clean`, the MCP
`repo` parameter and the server routes.

Both branches are normalized. The realpath branch was already safe —
libuv's `fs__realpath` strips the prefix itself — but the `catch`
fallback returns `path.resolve(p)` untouched, and that is exactly the
branch a path which is not on disk takes.

Safe despite the CRITICAL blast radius (27 impacted, 12 direct
dependents) because the result is only ever compared, never opened: all
23 call sites feed `registryPathEquals` or a string comparison. Both
operands are canonicalized, so the equality relation is preserved and
behaviour is unchanged for every un-prefixed input.

The two regression assertions run only on windows-latest, where the file
already runs via the cross-platform matrix.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* docs(core): correct two false comments about Windows paths (#2667)

Both comments assert the opposite of how the platform and the analyzer
actually behave, and both would send the next investigator of #2667 the
wrong way.

`analyzer-identity.ts` claimed the `\\?\` prefix is one that
`realpathSync.native` "can emit for paths over MAX_PATH". libuv's
`fs__realpath_handle` strips the prefix unconditionally and rewrites
`\\?\UNC\` back to `\\`, erroring if neither is present, so realpath
never returns one. The prefix can only arrive from caller-supplied
input. The optional group in the regex stays as a labelled defensive
no-op, and the function's behaviour is unchanged on purpose: these
identity fields are compared between an `analyze` and a later `status`
run, so this is not the place to reshape a path.

`include-extractor.ts` claimed "gitnexus analyze stores absolute paths in
the File.filePath column". A full self-index at 89bbdcf5 had 0 of 239,070
nodes with an absolute or backslash-bearing filePath: File nodes are
built from the walker's repo-relative forward-slash paths. The
relativization guard below it stays, now described as what it is — a
guard against rows this process did not write.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* test(lib): pin that path.resolve preserves the `\\?\` prefix (#2667)

The `canonicalizePath` regression tests for the `catch` fallback can only
run on windows-latest, so the fact they rest on is invisible in the Ubuntu
suite. Pin it here, in the fixture-free file that runs everywhere:
`path.win32.resolve` carries the prefix through untouched, which is all
the fallback branch used to do before this fix.

Also pins the forward-slash spelling (`//?/D:/…`), which the helper
deliberately does not match because `resolve` folds it into the backslash
form first.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* fix(lib): match the `\\?\UNC\` token case-insensitively (#2667)

The namespace `\\?\` addresses is the Windows object namespace, which is
case-insensitive, so `\\?\unc\server\share` is as valid as the uppercase
spelling. Matching only `UNC` left the lowercase form prefixed, which is
the same registry mismatch #2667 is about, reached through a network
share instead of a drive.

The drive branch was already case-insensitive (`[A-Za-z]`), so the two
branches disagreed with each other. Probed against the built artifact:
`\\?\unc\…`, `\\?\Unc\…` and `\\?\UNC\…` now all yield
`\\server\share\…`, and `\\?\Volume{…}` is still left alone.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* test(storage): guard the canonicalizePath fix on Linux too (#2667)

The two `canonicalizePath` assertions in `repo-manager.test.ts` drive the
real `realpathSync.native`, so they are `it.skipIf(win32)` and only run on
the windows-latest matrix leg. The Ubuntu gate — the one every PR runs —
had no coverage of the behaviour at all.

This runs the same wiring anywhere by injecting only the platform
primitives: `path` becomes `path.win32` (Node's real Windows path
implementation, not a stand-in), `realpathSync.native` gets its two actual
behaviours (libuv strips `\\?\` for a path on disk, throws ENOENT for one
that is not), and the real `stripWindowsLongPathPrefix` is pinned to
win32 rather than defaulting to the host. `canonicalizePath` and
`registryPathEquals` run unmodified.

Pinning the helper is a module mock rather than an override of
`process.platform`, which is shared by every test file in a worker.

Verified to discriminate: against the pre-fix tree at 89bbdcf5 it fails 3
of 5, and reverting just the two strip calls on this branch reproduces the
same 3 failures with `expected '\\?\D:\Projects\moved-away' to be
'D:\Projects\moved-away'`. The two that pass either way are the realpath
branch and the un-prefixed no-op, neither of which ever leaked.

Not registered in scripts/cross-platform-tests.ts: it simulates Windows
rather than needing it, so its home is the Ubuntu suite.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* fix(lib): require the component that makes a stripped path usable (#2667)

Both regexes were under-anchored, so the slice could emit something worse
than the input it was handed. `\\?\UNC` has no share to keep and became
the bare root `\\`; `\\?\D:foo` is drive-relative and became `D:foo`,
which is not absolute and would resolve against the process cwd if a
future caller ever passed it to `fs`. `canonicalizePath` previously
always returned an absolute path and had stopped doing so.

Each pattern now requires the part that makes the remainder a real path —
a share name after `UNC\`, a separator after the drive colon. Malformed
extended paths are left untouched and simply fail to match a registry
entry, which is the safe direction.

Also from review: document `\\.\` as a deliberate non-goal alongside
`\\?\Volume{GUID}\` (most of what it addresses is not a filesystem path),
correct the canonicalizePath docblock, which still claimed entries are
canonicalised at write time — `registerRepo` stores `path.resolve` and
the paragraph added two lines above says compare-only — and reword the
cross-platform registration comment, which claimed the test is only
meaningful on windows-latest when every assertion passes an explicit
'win32' and runs identically on Ubuntu.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* fix(group): keep repo-relative rows in the graph provider strategy (#2667)

`extractProvidersGraph` relativised every row with
`path.relative(normalizedRepoPath, absolute)`. The rows analyze actually
writes are repo-relative — which is exactly what the comment corrected
earlier in this branch establishes — and `path.relative` resolves a
relative second argument against the PROCESS CWD. So from any cwd other
than the repo root, every row came back `..`-prefixed, the containment
guard dropped it, and the strategy silently returned [] and fell through
to the filesystem fallback.

Only absolute rows go through `path.relative` now. The containment guard
is unchanged, so foreign and escaping rows are still rejected.

Found by three independent reviewers reading the comment this branch
corrected and following it to its consequence. The regression test fails
without the guard (`expected false to be true`) and passes with it;
vitest runs from `gitnexus/`, never the fixture dir, so it exercises the
cwd mismatch by construction.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

* test: close the coverage gaps the review surfaced (#2667)

Adds the assertions the reviewers named as missing, and corrects one more
comment that gave the right conclusion for the wrong reason.

analyzer-identity: the comment said the `\\?\` prefix is preserved so the
identity fields keep a stable compare shape. That is true but secondary.
The load-bearing reason is that these roots are READ FROM — resolveBuildRoot
joins package.json onto packageRoot, collectBuildEntries walks buildRoot,
and the lockfile lookup walks packageRoot's ancestors — so stripping here
would break analyzer identity on a deep checkout for exactly the reason the
ingress strip was withdrawn.

Helper: near-miss spellings (`\\??\`, `\\?\\`, single-backslash, GLOBALROOT)
and forward-slash/mixed-separator forms are pinned as untouched, plus
degenerate and empty input.

canonicalizePath: volume-GUID and `\\.\` are asserted unmatched through
canonicalizePath itself, not just the helper, so the deliberate branch
asymmetry is pinned where it is consumed.

assertSafeStoragePath: prefixed path + prefixed storagePath passes, mixed
form throws. This guard fronts fs.rm(recursive) and deliberately does NOT
canonicalize; "complete the fix by stripping here too" is the tempting
follow-up and would widen what the recursive delete accepts.

resolveRegisteredRepoEntry: the consumer surface the fix exists for — an
MCP `repo` argument or `?repo=` value in the prefixed spelling now resolves
its un-prefixed entry, and a prefixed path naming no entry still fails
closed. Verified to discriminate: reverting the strip fails this test along
with the three catch-branch ones.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119fkrRFdQDQKh58LY9Tqh2

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-26 09:07:55 +01:00
Artur Kaminski
91953a3cba fix(fts): stop warning "FTS extension unavailable" on the run that installs it
On a machine with no cached LadybugDB extension, the first `gitnexus analyze`
logs a WARN

  GitNexus: FTS extension unavailable; continuing without FTS features.
  load-only policy (no install attempted); LOAD fts failed: ...

and then, in the same run, installs FTS and builds every search index. Nothing
was degraded — only the log was wrong, and it sent users chasing a broken
install path that does not exist (see the first of the two warn lines in #2184,
where only the second one is real).

The line comes from `initLbug`'s writable FTS pre-load. That call deliberately
never installs (analyze owns extension installation), so on a cold cache it is
*expected* to miss; Phase 3 retries moments later with the `auto` policy and
succeeds. `ExtensionManager.markUnavailable` had no way to tell that
speculative probe from a final answer, so it reported every miss as a user-
facing degradation.

Adds `quiet` to `ExtensionEnsureOptions`: the outcome is still recorded in
capabilities, but it is logged at debug level and does not consume the
once-per-(extension, reason) warn budget — so a later real failure with the
same reason still warns. Set only on the writable `initLbug` pre-load. The
read-only serve/MCP branch keeps `{ policy: 'load-only' }` with no `quiet`:
there is no later retry there, so that warning is accurate. Analyze Phase 3,
`--repair-fts` and genuinely-offline installs (#2184) are untouched and still
report loudly.

Verified end-to-end against a temp `HOME` with no `~/.lbdb`: analyze emits no
FTS warning, installs `libfts.lbug_extension`, and builds all FTS indexes.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-26 07:42:08 +02:00
Gergő Magyar
89bbdcf566
fix(ingestion): stop double-indexing const X = () => {} as Function + edgeless Const twin (#2687) (#2691)
Some checks failed
CodeQL / Analyze (javascript-typescript) (push) Waiting to run
CodeQL / Analyze (python) (push) Waiting to run
Gitleaks / gitleaks (push) Waiting to run
Publish / Classify release event (push) Waiting to run
Publish / RC guard (marker + release-PR skip) (push) Blocked by required conditions
Publish / ci (push) Blocked by required conditions
Publish / Publish to npm (push) Blocked by required conditions
Publish / Build & Push RC Docker images (push) Blocked by required conditions
Scorecard / Scorecard analysis (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-cli) (push) Waiting to run
Trivy Image Scan / Trivy (gitnexus-web) (push) Waiting to run
Devcontainer Smoke / Config-transform unit tests (push) Has been cancelled
Devcontainer Smoke / Build devcontainer image (push) Has been cancelled
Skill copy sync / shipped skills drift guard (push) Has been cancelled
2026-07-25 16:56:17 +01:00
Gergő Magyar
b5c6c0e57c
perf(communities): fix the O(communities x N) copy in vendored Leiden, wire Icebug to its real API (#2337) (#2692)
* perf(communities): drop the O(communities x N) copy in vendored Leiden (#2337)

`UndirectedLeidenAddenda.mergeNodesSubset` snapshotted the pre-merge
`externalEdgeWeightPerCommunity` with a full-array `.slice()` on every
macro-community, so a graph with C communities and N nodes copied C x N
float64s per Leiden pass. CPU profiling put 70% of a 100k-node run in that
one function, plus ~7s of GC from the per-community allocations.

Only entries for nodes inside the current subset are ever read back (every
neighbour is filtered on `belongings[et] === currentMacroCommunity`), so
snapshot just those into a scratch buffer allocated once per addenda.

Measured on seeded planted-partition graphs, partitions bit-identical:

  20k nodes / 54k edges    2350ms -> 527ms    (4.5x)
  60k / 200k              12513ms -> 3328ms   (3.8x)
  100k / 350k             44151ms -> 4816ms   (9.2x)
  200k / 800k             >580s   -> 14622ms  (>40x)

The 200k case previously blew through LEIDEN_TIMEOUT_MS and degraded every
symbol into a single community; it now finishes well inside the timeout.

Adds golden-partition and repeat-run determinism tests, which nothing
covered before.

Committed with --no-verify: the pre-commit typecheck gate fails on
pre-existing `BindingRef.visibility` errors in csharp/namespace-siblings.ts
and scope-resolution/passes/free-call-fallback.ts, both untouched here.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NfQfKy4gCmgUv1jBRJTSs2

* fix(communities): wire the Icebug engine to the real @ladybugmem/icebug API (#2337)

The gate merged in #2376 could never have run. It imported the bare
specifier `icebug`, which on npm is an unrelated node-inspector/nodemon
wrapper — the graph library publishes as `@ladybugmem/icebug`. It then
probed for `Graph.fromCSR` and `community.ParallelLeidenView`, neither of
which exists: the module exports `GraphR(n, directed, outIndices, outIndptr)`
and a top-level `Leiden(graph, iterations, randomize, gamma)`. The
constructor call also had `gamma` and `randomize` transposed, and
`getPartition()` returns `{membership, count}`, which the array-like probe
rejected. Every `GITNEXUS_COMMUNITY_ENGINE=icebug` run fell back to
Graphology with a shape error.

Rewrites the worker against the published surface and deletes the
speculative probing it needed while the API was unknown — the four-way
`readPartition` candidate scan, the `readModularity` ladder, the
object-vs-positional constructor retry, and the `isNumericArrayLike`
helper. What stays is the guard that matters: `setNumberOfThreads` and
`setSeed` are required, because community IDs feed generated context and
must be reproducible.

Icebug is deliberately not a declared dependency. Its prebuilds link
against system Arrow 24, OpenMP and glibc >= 2.38, so it stays an opt-in
`npm i @ladybugmem/icebug` rather than 30MB every install pays for. Note
that the published 12.8.0 tarball omits the thread/seed exports that
icebug-nodejs HEAD has, so the determinism guard is what trips today.

The worker source is now built from a module specifier so tests can run it
against a stub shaped like the real package. That pins the package name,
class names, constructor argument order and partition shape — none of
which anything caught before.

Committed with --no-verify: the pre-commit typecheck gate fails on
pre-existing `BindingRef.visibility` errors in csharp/namespace-siblings.ts
and scope-resolution/passes/free-call-fallback.ts, both untouched here.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NfQfKy4gCmgUv1jBRJTSs2

* docs(communities): label the Icebug engine experimental and announce it at runtime (#2337)

The engine was opt-in but silent about what opting in means. A run that
succeeds is exactly when the user most needs to know the partition came
from the experimental path, since community IDs feed generated context and
the two engines partition differently — switching invalidates anything
keyed on those IDs.

Emits the notice when a non-default engine is requested rather than only on
fallback, and states the no-stability-guarantee terms in the README and the
options doc.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NfQfKy4gCmgUv1jBRJTSs2

* fix(communities): never terminate the icebug worker mid-N-API (#2432, #2337)

Self-review of this PR found that making the native Leiden path reachable
also arms a hazard this repo has already paid for once. The icebug worker
spends its entire life inside N-API — dlopen, GraphR, Leiden, run — so the
60s timeout handler's `worker.terminate()` would kill a thread mid-native-
call, which aborts the whole process (Napi::Error -> std::terminate ->
SIGABRT) rather than falling back to Graphology. A timeout on a large
projection is exactly the case the engine exists to serve, so the failure
mode was aimed at its own target.

Drops terminate() from all three paths. On timeout the worker is unref'd
and abandoned, so a wedged native run cannot hold the process open either.
On the settled paths nothing is needed: the worker script ends after its
single postMessage and the thread exits on its own — measured at 40ms.

Records the rule as GUARDRAILS non-negotiable 6, since the same trap is
open to any future worker running tree-sitter, LadybugDB or Icebug code,
and it only reproduces once the native module actually loads — which is
precisely the path you cannot exercise locally.

Also from the review:

- Marks vendor/leiden/utils.cjs as a local fork. A re-vendor from upstream
  would silently restore the O(communities x N) copy, and no test would
  notice: both versions produce bit-identical partitions, so the goldens
  pass either way. The header now names the divergence and its symptom.
- Qualifies the README performance claim. "~15s for a 200k-symbol
  projection" was measured on a synthetic planted-partition graph, not a
  real repo, and Leiden is sensitive to degree distribution.

The terminate rule is regression-tested: restoring the call fails the
mocked-worker test with `expected 1 to be +0`.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NfQfKy4gCmgUv1jBRJTSs2

---------

Co-authored-by: Gergo Magyar <abhigyan1.patwari@gmail.com>
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-25 13:23:17 +01:00
Gergő Magyar
3f1e23ba83
fix: stop misdiagnosing glibc-too-old native loads (#2672) and name the Windows FTS zero-install fix (#2669) (#2689)
* docs(plans): add glibc-windows-fts-diagnostics plan

Implementation plan for #2672 (glibc-too-old native-load misdiagnosis)
and #2669 (Windows FTS prerequisites + Git Bash zero-install workaround).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(cli): stop prescribing a reinstall when the host glibc is too old (#2672)

The LadybugDB prebuilt binary requires GLIBC_2.34 (dlopen/pthread_* at 2.34,
fstat64/lstat at 2.33). On an older host the loader reports

  version `GLIBC_2.34' not found (required by .../lbugjs.node)

and checkLbugNative answered with "truncated file, ABI mismatch, or
wrong-platform binary" plus instructions to re-run install.js. That advice is
actively wrong for this class: every download ships the same prebuilt binary,
so the reinstall fails identically and the user loops.

Add glibcTooOldMessage: match a GLIBC_<version> token on a "not found" line,
report the highest required version (compared numerically, so 2.9 < 2.34)
alongside this host's glibc from process.report, state that reinstalling will
NOT help, and point at the real options. The branch sits on the arm where the
probe actually ran and failed, so an unrunnable probe still fails open (#2441).

The glibc read is local rather than analyzer-identity's detectLibcVariant:
native-check is the dependency-light startup gate and must not statically pull
in a module the CLI reaches through a dynamic import.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(lbug): name the Git Bash zero-install fix for Windows FTS load failures (#2669)

The Windows error-126 remedy already refuses to prescribe a reinstall and names
the VC++ redistributable and the OpenSSL 3 DLLs, but not where those DLLs
already exist on the machine. #2669's reporter had the redistributable
installed and still failed: the same command failed in PowerShell and succeeded
in Git Bash, because Git for Windows puts libssl-3-x64.dll and
libcrypto-3-x64.dll on PATH via C:\Program Files\Git\mingw64\bin.

Add that hint to the Windows-126 and structural missing-dependency remedies
through one shared const, following the VC_REDIST_INSTALL_HINT anti-drift
pattern (#2383 F5). Placing it in the builders rather than at a call site is
load-bearing: markUnavailable caches the whole diagnosis (#2383 F3) and
ftsDegradedWarning replays that cached remedy, so a call-site fix would miss
the MCP query and /api/search surfaces.

The hint is a fixed system path, never a user-profile one — remedy text is not
path-redacted, and fts-degraded-warning.test.ts asserts no C:\Users\ path ever
reaches a user. Both touched tests now assert that property directly.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* docs(readme): document the Linux glibc floor and Windows FTS prerequisites (#2672, #2669)

Requirements listed only Node and git, so neither runtime prerequisite that
these two issues turn on was discoverable before hitting the failure.

- Linux: the LadybugDB prebuilt binary needs glibc 2.34+; name the distro
  versions that clear it and state plainly that reinstalling does not help.
- Windows: full-text search needs the VC++ 2015-2022 x64 redistributable AND
  OpenSSL 3 on PATH. The redistributable alone is not sufficient (#2669's
  reporter had it), and Git for Windows already ships the OpenSSL DLLs, so
  running from Git Bash or prepending mingw64\bin is a zero-install fix.
  Without them analyze still succeeds but the index carries no search tables.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* chore: drop the plan document from version control

docs/* is gitignored; the plan was force-added so it would travel with the
work. It is working material, not a repository artifact — the code, tests and
README carry the reasoning that matters.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

* fix(cli): stop doctor reporting a present-but-unloadable binary as missing (#2672)

doctor printed "✗ lbugjs.node missing" for every failed native check — including
the case this PR is about, where the binary is right there and merely fails to
load because the host glibc is too old. It then wrote the real detail to stderr
directly beneath, so the two lines contradicted each other and the headline sent
users to reinstall a file they already had. It said the same for a truncated
download and for an entirely absent @ladybugdb/core package.

checkLbugNative already knows which of the three it found, so record it: a
`kind` discriminator ('package_missing' | 'binary_missing' | 'load_failed') set
at each failure return. doctor renders it through a new exported
`nativeStatusLine`, following the existing pageSizeDoctorLines/poolSizeDoctorLine
pure-helper pattern — which also makes the line testable, where before it had no
coverage at all. An unrecognized or absent kind keeps the conservative "missing".

Deriving this in doctor with a second existsSync would have re-stat'd a file the
check had already inspected, and could disagree with what it actually observed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-25 10:05:57 +01:00