Commit graph

20 commits

Author SHA1 Message Date
Copilot
666041d608
fix(security): log-injection, http-to-file-access, client-side-request-forgery (#1456)
* fix(security): U11 log-injection, http-to-file-access, client-side-request-forgery

U11.1: Add validateLLMBaseUrl() in llm-client.ts; called at the top of
callLLM() to reject non-http/https schemes and http:// to non-loopback
hosts before any fetch that writes LLM output to disk.

U11.2: Strip CRLF from groupDir in bridge-db.ts openBridgeDbReadOnly
before logging (defence-in-depth on top of pino's JSON escaping).

U11.3: Replace console.log with logger.debug and sanitize normalizedName
/ job.id in api.ts resolveRepo to close js/log-injection alerts.

U11.4: Add validateBackendUrl() in backend-client.ts; called inside
setBackendUrl() to reject non-http/https schemes before the URL is
stored as a fetch target, closing js/client-side-request-forgery alerts.

U11.5: Tests added:
- wiki-llm-client.test.ts: validateLLMBaseUrl happy/error paths
- server-connection.test.ts: validateBackendUrl and setBackendUrl
  rejection paths

All new tests pass (30/30 wiki-llm-client, 18/18 server-connection,
30/30 bridge-db).

Agent-Logs-Url: https://github.com/abhigyanpatwari/GitNexus/sessions/0452a6ce-711f-4203-9ae6-5dd0b77fb157

Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>

* fix: correct IPv6 loopback check in validateLLMBaseUrl

Node's URL parser preserves brackets in hostname for IPv6 addresses
(e.g. http://[::1]:11434 yields hostname '[::1]'), so strip them
before comparing against '::1'. Add a test to cover this case.

Agent-Logs-Url: https://github.com/abhigyanpatwari/GitNexus/sessions/0452a6ce-711f-4203-9ae6-5dd0b77fb157

Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>

* fix: also sanitize error message in bridge-db log call

Sanitize lastErr.message (which may contain a file path from ENOENT
errors) alongside groupDir to prevent CRLF injection from error
message content. Addressed code review feedback.

Agent-Logs-Url: https://github.com/abhigyanpatwari/GitNexus/sessions/0452a6ce-711f-4203-9ae6-5dd0b77fb157

Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>

* fix: address security review findings — credential hygiene and test coverage

[LOW] Redact credentials from URL validation error messages:
- validateLLMBaseUrl: malformed URL no longer echoes raw input;
  scheme error shows protocol only; http-non-loopback error uses
  parsed.origin (scheme+host+port) instead of full URL
- validateBackendUrl: same treatment — no raw input in any error path

[INFO] Add state-preservation test for setBackendUrl:
- Proves _backendUrl is unchanged after a rejected call, covering the
  validation-before-assignment ordering.

[INFO] Expand validateLLMBaseUrl adversarial test coverage:
- LOCALHOST uppercase (case-fold path)
- RFC 1918 / IMDS IPs (10.x, 169.254.x)
- Hostname-spoofing (localhost.evil.com, 127.0.0.1.evil.com, localhost.)
- Non-loopback IPv6 (fe80::1, ::ffff:127.0.0.1)
- ftp:// scheme
- Credential-hygiene assertion (sk-secret not in error message)

Agent-Logs-Url: https://github.com/abhigyanpatwari/GitNexus/sessions/7bb18fa2-3e66-4fe0-949f-6d493fbd351b

Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>

* style: prettier autoformat U11 security fix files

Fixes the failing 'quality / format' check on PR #1456 by running 'prettier --write' over the 6 files touched by the security fix. Formatting only — no logic change.

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: magyargergo <11230420+magyargergo@users.noreply.github.com>
Co-authored-by: Gergo Magyar <gergomagyar@icloud.com>
2026-05-09 17:26:32 +01:00
Gergő Magyar
152a0506c9
feat: shared resilient-fetch (retries + circuit breaker) (#1448)
* feat: shared resilient-fetch (retries + circuit breaker)

Add a small, runtime-agnostic resilience layer in gitnexus-shared and
migrate every backend HTTP outbound call (CLI, MCP, wiki LLM, web → backend)
through it.

Helpers (gitnexus-shared/src/integrations/):

- retry.ts            — withRetry(fn, opts) with caller-supplied
                        retryability classification and full-jitter
                        exponential backoff.
- circuit-breaker.ts  — closed/open/half-open per-process breaker with
                        injectable clock, plus a keyed registry so
                        callers targeting the same endpoint share state.
- resilient-fetch.ts  — composed wrapper: retries 5xx + 429 + retryable
                        network throws, treats AbortSignal.timeout()
                        and 4xx (other than 429) as terminal, honors
                        Retry-After (capped at 30s), throws
                        CircuitOpenError when the breaker opens.

Migrations (no behaviour regression — all existing tests pass):

- gitnexus/src/core/embeddings/http-client.ts (covers analyze + MCP
  query path) — replaces inline linear-backoff retry.
- gitnexus/src/core/wiki/llm-client.ts — preserves Azure content-filter
  branch; resilientFetch handles 5xx/429.
- gitnexus-web/src/services/backend-client.ts (fetchWithTimeout helper)
  — small retry budget (2 attempts, 250–1500 ms) so a dead local
  backend still fails fast for the user.
- gitnexus-web/src/core/llm/settings-service.ts (OpenRouter model list).

Deliberately not migrated:

- gitnexus-web/src/services/backend-client.ts streamJob() — Server-Sent
  Events stream; the existing reconnect-with-Last-Event-ID logic is
  not unary-fetch shaped.
- gitnexus-web/src/components/SettingsPanel.tsx checkOllamaStatus() —
  one-shot health probe; retrying delays the "Ollama not running"
  error rather than improving UX.

41 new helper tests cover backoff math, breaker state transitions,
Retry-After parsing (delta-seconds + HTTP-date), 401/422 terminal
classification, and breaker fail-fast on three exhausted retry batches.

* fix(review): apply autofix feedback

Address Claude's two MEDIUM blocking findings on PR #1448 plus the
CodeQL SSRF false-positive flag.

- backend-client `fetchWithTimeout` now uses `AbortSignal.timeout()`
  merged with the caller's signal via `AbortSignal.any()`. Timer-fired
  aborts surface as `DOMException(name='TimeoutError')` so
  resilientFetch routes them through the terminal-network branch
  (no retry, no breaker hit), instead of incrementing the breaker
  for user-side network slowness.
- Method-aware retry budget in `fetchWithTimeout`: idempotent verbs
  (GET/HEAD/OPTIONS) keep the 2-attempt budget; POST/PATCH/PUT/DELETE
  default to single-attempt so a 5xx on `startAnalyze` cannot start
  a duplicate job. New `forceRetry` parameter for callers that
  know-idempotent mutations (e.g. DELETE of a known-deleted resource).
- `resilient-fetch.ts` carries a documented suppression for CodeQL
  js/server-side-request-forgery on the inner fetch call. Every
  concrete caller passes a hardcoded URL constant or a value from
  configuration (env vars, saved settings); user request input never
  flows into the URL parameter.
- New test file `backend-client-retry.test.ts` covers all three
  paths: GET retries on 503, POST does not retry, timeout does not
  increment the breaker.

* fix(resilient-fetch): address Codex adversarial findings

Closes the three blocking issues from Codex's review on PR #1448.

U1 — Add `recordNeutral()` to CircuitBreaker.
  Third outcome path that's an explicit no-op for state and the
  consecutive-failure counter. Distinct from `recordSuccess` (closes
  the breaker) and `recordFailure` (may open it). Used for outcomes
  that are neither evidence of backend health nor evidence of
  backend failure.

U2 — Route terminal-client / terminal-network through `recordNeutral`.
  Previously a 401 or local timeout called `recordSuccess`, which
  reset `consecutiveFailures` to 0. A 5xx → 401 → 5xx → 401 → 5xx
  sequence would NEVER trip the breaker because each 4xx in between
  erased the running count. Also classify external `AbortError` as
  terminal-network (was retryable-network), so caller-driven
  cancellation no longer retries against an already-aborted signal
  or counts toward breaker failures on exhaustion.

U3 — Per-origin breaker key in web `fetchWithTimeout`.
  Was hardcoded to `'web-backend'` even though `_backendUrl` is
  mutable via `setBackendUrl`. Switching backend URLs after a
  circuit tripped on host-A would strand the user during the full
  cooldown. Key is now `web-backend:<origin>`, so each backend URL
  gets its own breaker state.

Tests: +5 recordNeutral, +4 resilient-fetch (interleaved 4xx/5xx,
external AbortError, prior-state preservation), +1 web switch-backend
regression. All 70 gitnexus integration tests + 15 web tests green.

* fix(resilient-fetch): tolerate header-less fetch mocks on 429

`classifyOutcome` called `resp.headers.get('Retry-After')` directly,
which crashed when a test stubs `fetch` with a plain object like
`{ ok: false, status: 429 }` (no `headers` field). Real `Response`
always has Headers, so this surfaces only in test setups, but the
helper has no business assuming caller-side correctness on this — the
defensive guard is cheap and a missing `Retry-After` falls through to
exponential-backoff retry like any 429 without the header.

Surfaced by `gitnexus/test/unit/http-embedder.test.ts > retries on
rate limit`, which the embeddings migration exercises against a
plain-object 429 stub. Locked in with a new
`classifies 429 from a header-less fetch mock without throwing` case.

* fix(review): apply autofix feedback

Closes findings from the third multi-agent review pass on PR #1448.

#1 (P1) callLLM had no per-attempt timeout
  Wiki LLM calls passed no `signal` to resilientFetch; each of three
  retry attempts could hang indefinitely on a frozen TCP connection.
  Add `signal: AbortSignal.timeout(60_000)` so the per-attempt budget
  matches what http-client.ts and backend-client.ts already provide.

#2 (P2) drop dead `lastRetryableResp` post-loop fallback
  Variable was set in one switch arm but only read in unreachable code
  after the loop. The retry loop always returns/throws on every
  iteration. Keep only the defensive `throw` so TypeScript's
  control-flow analysis still sees `Promise<Response>` as the return.

#5 (P2) gate test-only exports behind a subpath
  `__resetBreakerRegistry__` and `classifyOutcome` were reachable from
  the main `gitnexus-shared` barrel — production code calling
  `__resetBreakerRegistry__` from a tool implementation would silently
  nuke every circuit breaker process-wide. Move to a new
  `gitnexus-shared/test-helpers` subpath export. Production callers
  see the cleaner public API; tests import via the explicit
  `gitnexus-shared/test-helpers` path.

#6 (P2) exhaustiveness guard on Outcome switch
  Add a `default: const _: never = outcome` arm so a future sixth
  `Outcome.kind` won't compile silently — it'll surface at the switch
  site rather than fall through to a retry/no-retry default.

#9 (P3) document cumulative wall-clock budget
  Add a "Cumulative wall-clock budget" paragraph to resilientFetch's
  JSDoc explaining the worst-case total wait (`maxAttempts × (per-attempt
  timeout + capDelayMs)` ≈ 60s with defaults) and pointing callers at
  outer `AbortSignal.timeout()` when they want a tighter bound.

Deferred to follow-up PRs (per review's Auto-resolve recommendation):
  - #3 idempotency knob to shared API (forceRetry into ResilientFetchOptions)
  - #4 publish.ts migration to resilientFetch
  - #7 parseRetryAfter past-HTTP-date / negative-seconds asymmetry
  - #8 recordNeutral counter time-decay (documented breaker semantic)

* fix(circuit-breaker): gate half-open to a single in-flight probe

Closes the Codex adversarial-review finding on PR #1448 that flagged a
recovery-time thundering herd: when cooldown expired, every concurrent
caller transitioned the breaker to half-open and probed the still-
recovering dependency in lockstep, defeating the breaker's "fail fast"
promise.

U1 — probe-permit gate in CircuitBreaker.check()
  Added a `probeInFlight: boolean` field. After cooldown expires, the
  first `check()` admits the probe and consumes the permit; subsequent
  callers throw `CircuitOpenError` with a configurable
  `halfOpenRetryAfterMs` (default 1000ms) until the probe resolves.

  Critical design point: `recordNeutral` now RELEASES the permit but
  does NOT transition state. Without that split, a single `TimeoutError`
  from per-attempt `AbortSignal.timeout` (which routes through neutral
  classification) would permanently park the breaker in half-open. By
  separating permit-release from state-resolution, we keep the
  "neutral doesn't claim health" semantic without creating that wedge.

  Other changes:
  - `halfOpenRetryAfterMs` is now a constructor option for consumers
    with long-running protected ops (LLM streaming, large uploads).
  - `getState()` is documented as a pure read; the implicit
    Open -> Half-Open transition lives in `check()` only, so tests
    that inspect state never inadvertently consume a probe permit.
  - `isProbeInFlight()` test-only accessor for assertion clarity.
  - JSDoc on `check()` records the JS event-loop atomicity dependency
    and the load-bearing `try/finally` pairing invariant.

U2 — End-to-end concurrency regression through resilientFetch
  Three new scenarios in resilient-fetch.test.ts (26 -> 29):
  - 3 concurrent calls + probe gets 200 -> 1 hits fetch, 2 throw
    CircuitOpenError, breaker closes.
  - 3 concurrent calls + probe gets 503 -> ResilientFetchExhaustedError
    on probe; concurrent callers see halfOpenRetryAfterMs (1000ms);
    fresh caller after probe resolves sees the FULL new cooldown
    (10000ms), not the probe-in-flight default.
  - Probe cancelled mid-flight via AbortError -> permit released,
    state stays half-open, next caller becomes the new probe and
    succeeds.

Plus 9 new circuit-breaker unit tests (16 -> 25) covering the permit
gate, recordNeutral-releases-permit semantic, fresh-cooldown distinction,
default vs configurable halfOpenRetryAfterMs, getState() purity, and
the three-probes-via-neutrals chain.

Total integration test count: 70 -> 82. All 106 gitnexus + 15 web
tests pass; both packages typecheck.

Maintainer decisions (deferred per plan 003 Open Questions):
  - Plan 002's deferral judgement was reversed on Codex's argument
    without new measurement / incident data. The reversal is defensible
    on principle (Hystrix / Resilience4j alignment) but lacks workload-
    driven evidence.
  - Probe-blocked callers throw silently (no log / event hook). R4's
    "no new public API" prevents adding observability; loosen if a
    debug log on probe-blocked is wanted.

* refactor(embeddings): replace bespoke HF breaker with shared CircuitBreaker

Deleted the local `HfDownloadCircuitBreaker` class and the manual
retry loop in `withHfDownloadRetry`. Both are now backed by the
shared `gitnexus-shared` primitives:

- `hfDownloadCircuit` is `new CircuitBreaker({ failureThreshold,
  cooldownMs, key: 'hf-download' })` — same state machine as before
  PLUS the single-permit half-open gate that prevents recovery-time
  stampedes when CLI + MCP embedders concurrently re-load the model.
- `withHfDownloadRetry` delegates the loop to `withRetry` from the
  shared package. Per-attempt timeout (`withDownloadTimeout`),
  network-vs-non-network classification, circuit recording, and the
  `onRetry` callback wire through `withRetry`'s `isRetryable`
  callback.

Behaviour preserved:
- Pre-flight `CIRCUIT_OPEN_TAG` rejection when the breaker is open.
- Mid-loop `CIRCUIT_OPEN_TAG` "opened after N consecutive failures"
  when a network error trips the threshold.
- Non-network errors (e.g. CUDA unavailable) bypass retry and go
  through `recordNeutral` instead of resetting the breaker's
  failure-count progress.
- `onRetry(attempt+1, max, err)` fires only when there's a next
  attempt, matching the prior semantic.

Generic CircuitBreaker gained two inspection accessors:
- `getOpenedAt(): number | null`
- `getCooldownMs(): number`
Used by `withHfDownloadRetry` to compute `secsUntilReset` without
consuming a probe permit (which `check()` would do).

Test consolidation: the 7 bespoke `HfDownloadCircuitBreaker`
state-machine tests in hf-env.test.ts were 1:1 duplicates of
existing tests in `circuit-breaker.test.ts` and were deleted.
Remaining 42 hf-env tests all pass; full integration sweep (148
gitnexus + 15 web) green.
2026-05-09 15:18:09 +01:00
Gergő Magyar
f4da8a0874
chore(web): bump vite 7.3.2 -> 8.0.10 + vitest 4 (iter 3 of 3) (#1063)
Final step of the iterative vite 5 -> 8 migration. This is the
substantive hop: Rolldown replaces Rollup, Oxc replaces esbuild,
Lightning CSS replaces esbuild for CSS, and vitest jumps to v4 (vitest
3 only peers with vite ^5||^6||^7).

Dep changes (gitnexus-web/package.json):
- vite ^7.3.2 -> ^8.0.10
- vitest ^3.2.4 -> ^4.1.5
- @vitest/coverage-v8 ^3.2.4 -> ^4.1.5
- @tailwindcss/vite ^4.1.18 -> ^4.2.4 (vite ^8 peer support starts at 4.2.2)
- tailwindcss ^4.2.2 -> ^4.2.4 (match the vite plugin minor)
- @vitejs/plugin-react already at 5.2.0 from iter 2 (vite ^8 peer included)

Test fix (heartbeat.test.ts):
- vitest 4 enforces [[Construct]] on mock implementations used with `new`.
  The arrow function passed to .mockImplementation() in the EventSource
  stub is now rejected with "() => { ... } is not a constructor". Switched
  to a regular function declaration, which restores constructor semantics
  without changing test behaviour. All 7 heartbeat tests pass again.

Coverage threshold tune (vitest.config.ts):
- vitest 4 ships AST-aware coverage remapping by default, which measures
  reachable code more accurately than the legacy istanbul-style mapping.
  Same 220 tests now report 9.44%/4.47%/7.24%/9.58% instead of just over
  10% on each axis. Lowered thresholds to 9/4/7/9 to keep them as soft
  regression floors rather than coverage targets. No tests removed.

What we deliberately did NOT change:
- vite.config.ts: the five resolve.alias entries (mermaid, anthropic deep
  import, gitnexus-shared, @, @shared) all keep working under Rolldown.
  server.fs.allow: ['..'] is unchanged in v8. The mermaid alias is
  arguably MORE important now because vite 8.0.10 explicitly removed
  format-sniffing module resolution from the JS resolver.
- engines.node: vite 8 has the same Node floor as vite 7
  (^20.19.0 || >=22.12.0), already set in iter 2.
- CI setup-node pin: already at 20.19.0 from iter 2.

Verified locally (Node v22.14.0):
- npm install: clean (+11 / -55 / 27 changed; size shrinks because vite 8
  bundles deps internally), no ERESOLVE on @tailwindcss/vite
- npx tsc -b --noEmit: clean
- npm test: 220/220 pass, 1.80s (~21x faster than vite 7's 3.05s)
- npm run test:coverage: passes new thresholds
- npm run build: clean, **539ms** with Rolldown (vs 11.41s on vite 7,
  ~21x speedup), bundle ~1% smaller than vite 7

Closes the iterative vite 5 -> 8 series (#1061 vite 6, #1062 vite 7,
this PR vite 8). Supersedes Dependabot #1040.

Made-with: Cursor
2026-04-24 14:16:45 +01:00
Gergő Magyar
759c983dce
fix(extractors): resolve 3 silent contract mis-resolution bugs (#793) (#817)
* fix(extractors): resolve 3 silent contract mis-resolution bugs (#793)

Addresses Codex adversarial review findings for extractor contract
resolution on the new group extractor surface.

F1 (manifest-extractor): resolveSymbol passed the full "METHOD::path"
contract string through normalizeRoutePath, producing "/GET::/api/orders"
which never matches Route.name. Adds parseHttpContract() helper that
strips the METHOD:: prefix before path normalization. Contract ID
construction (buildContractId) is unchanged.

F2 (http-route-extractor): graph-assisted backfill used path-only
detections.find(), so multi-verb same-URL files attached the wrong
verb/handler to provider rows and inferred the wrong verb on FETCHES
consumer edges. Now requires path+method match when method is known,
and skips backfill when method is unknown and multiple detections tie
on path.

F3 (grpc-extractor): resolveProtoConflict seeded bestScore=-1 and only
replaced on strict >, so all-zero-score ties silently selected
candidates[0]. Now computes all scores, counts ties at the top score,
and returns null on ambiguity (caller skips contract emission and
warns with service name + candidate paths).

All three fixes are test-first; 73 tests pass across the three suites.
No schema changes, no new dependencies, contract ID wire format
(http::METHOD::path, grpc::pkg.Service/Method, http::*::path) preserved.

* fix(extractors): address PR #817 review — ambiguous symbol pick + contract id casing

Copilot + Claude review on PR #817 flagged two follow-up bugs on top of
the F1/F2/F3 fixes:

1. http-route-extractor: ambiguous multi-verb case left handlerName null
   but still ran the CONTAINS DB query. pickSymbolUid(syms, null) then
   silently picked pool[0] — reintroducing handler mis-attribution via
   a different route than the .find() bug F2 fixed. Now gates symbol
   enrichment on an ambiguousCandidates flag so the file-basename
   fallback wins instead.

2. manifest-extractor: buildContractId passed raw user casing through
   for the explicit-method form, so get::/api/orders and
   GET::/api/orders produced different contract ids even though
   parseHttpContract upper-cases during lookup. Now reuses
   parseHttpContract + normalizeRoutePath to canonicalize both method
   and path, so logically equivalent manifest inputs share a contract
   id (and share a manifestSymbolUid fallback).

Adds one regression test per bug: lowercase vs uppercase manifest
contract ids must match, and ambiguous multi-verb with CONTAINS rows
must not silently attach a real handler or call the CONTAINS query
at all. 75 tests pass across the three extractor suites.

* chore: prettier formatting
2026-04-14 08:03:02 +01:00
Louis Chu
a162f66254 fix(web): keep chat pinned on async content growth 2026-04-11 05:51:29 -07:00
Louis Chu
ad2a397137 feat(web): add smart chat scroll 2026-04-10 00:06:24 -07:00
JaysonAlbert
338cb01ee0
[codex] fix large repository graph loading (#732)
* fix(web): stream large graph responses

* fix(server): harden graph streaming

* fix(ci): stabilize graph loading coverage

---------

Co-authored-by: gfwangjie <gfwangjie@gf.com.cn>
2026-04-09 17:40:24 +01:00
Abhigyan Patwari
16cf4c503e
fix(web): replace aggressive heartbeat disconnect with graceful reconnection (#643) 2026-04-04 11:56:35 +01:00
Gergő Magyar
bf09eab95b
feat: configure prettier with pre-commit hook (#563)
* feat: configure prettier with pre-commit hook integration

Add prettier, lint-staged, and prettier-plugin-tailwindcss at the repo
root with husky pre-commit hook integration. Moves husky from
gitnexus/ to root package.json for reliable hook installation.

- Root package.json with prepare/format/format:check scripts
- .prettierrc with endOfLine:lf and tailwindStylesheet for TW v4
- .prettierignore excluding fixtures, vendor, generated, *.d.ts, *.md
- .gitattributes enforcing LF line endings for Windows consistency
- Pre-commit hook uses direct node_modules/.bin/ paths (no npx)

* style: apply prettier formatting to entire codebase

One-time bulk format. No logic changes.
Use .git-blame-ignore-revs to skip this commit in git blame.

* chore: add .git-blame-ignore-revs for prettier format commit

* perf: pre-commit hook runs only tests related to staged files

Use vitest --related to scope test execution to tests that import
the changed files, instead of running the full suite on every commit.

* perf: remove vitest from pre-commit hook, keep in CI only

Pre-commit now runs lint-staged + tsc only. Tests run in CI
(ci-tests.yml) where they belong — keeps commits fast.

* ci: add prettier format check to quality workflow

PRs will now fail if code isn't formatted with prettier.
2026-03-28 14:58:04 +00:00
Gergő Magyar
fd7fb5bf1f
feat: unify web and cli ingestion pipeline (#536)
* feat: add server-side ingestion API (POST /api/analyze, SSE progress)

Extract core analysis orchestration from CLI into shared run-analyze.ts
module. Add server-side analyze endpoints so the web app can trigger
ingestion via HTTP instead of running the full pipeline in-browser.

New files:
- src/core/run-analyze.ts — shared runFullAnalysis() orchestrator
- src/server/analyze-job.ts — job manager (single-slot, dedup, SSE events)
- src/server/analyze-worker.ts — forked child process (8GB heap, IPC)
- src/server/git-clone.ts — shallow clone/pull with SSRF protection

API endpoints:
- POST /api/analyze — start analysis (returns 202 + jobId)
- GET /api/analyze/:jobId — poll job status
- GET /api/analyze/:jobId/progress — SSE progress stream

Security: URL validation blocks private IPs and non-HTTP schemes.
Path validation requires absolute paths. Git stderr not leaked to API.

* feat(web): add server-side analyze UI (Phase 2)

Add "Analyze on Server" flow to the web app's Server tab so users
can trigger server-side ingestion from the browser. On completion,
the graph is automatically loaded via the existing connectToServer flow.

New files:
- AnalyzeProgress.tsx — progress bar with phase label, elapsed time, cancel

Modified files:
- backend.ts — startAnalyze(), streamAnalyzeProgress() SSE client
- DropZone.tsx — analyze URL input + button below Connect section
- App.tsx — onServerAnalyze handler wires analyze -> connect flow

* feat: add job cancellation, timeout, and child process tracking (Phase 3)

- DELETE /api/analyze/:jobId — cancel running analysis (SIGTERM to worker)
- 30-minute timeout kills long-running workers automatically
- Child process refs tracked in JobManager for cleanup on shutdown
- dispose() kills all active children on SIGINT/SIGTERM
- Web cancel button now calls server DELETE endpoint
- cancelAnalyze() added to web backend client

* refactor(web): remove browser ingestion pipeline (Phase 4)

Delete 16 duplicated ingestion files, 2 unused service files
(git-clone, zip), and tree-sitter parser-loader from gitnexus-web.
All ingestion now runs server-side via POST /api/analyze.

Deleted (18 files, ~5,000 lines):
- core/ingestion/*.ts (16 pipeline processors)
- core/tree-sitter/parser-loader.ts (WASM tree-sitter loader)
- services/git-clone.ts (isomorphic-git client-side clone)
- services/zip.ts (JSZip extraction)

Simplified:
- DropZone.tsx — server-only (removed ZIP/GitHub tabs)
- ingestion.worker.ts — removed runPipeline/runPipelineFromFiles
- useAppState.tsx — removed pipeline callbacks
- App.tsx — removed handleFileSelect/handleGitClone
- main.tsx — removed Buffer polyfill for isomorphic-git
- types/pipeline.ts — removed PipelineResult/serialize helpers

Kept: cluster-enricher.ts (LLM enrichment, still used by worker)

Dependencies now removable: web-tree-sitter, isomorphic-git,
@isomorphic-git/lightning-fs, jszip (estimated 3-4MB bundle savings)

* refactor(web): sync graph schema from CLI + delete WASM grammars

Sync graph/types.ts and lbug/schema.ts from the CLI (source of truth)
to the web module so the browser LadybugDB can handle all node and
relationship types the server pipeline produces.

Synced types: Route, Tool, Section node labels; HANDLES_ROUTE, FETCHES,
HANDLES_TOOL, ENTRY_POINT_OF, WRAPS, QUERIES relationship types;
description fields on Function/Class/Interface/Method/CodeElement.

Deleted: public/wasm/ directory (14 tree-sitter WASM grammars + core).
Removed deps: web-tree-sitter, isomorphic-git, @isomorphic-git/lightning-fs,
jszip, buffer, @types/jszip (~3-4MB bundle savings).

* feat: create gitnexus-shared package for unified type definitions

Create a new gitnexus-shared package that is the single source of truth
for types shared between the CLI and web modules:

- SupportedLanguages enum (15 languages)
- Graph types: NodeLabel, NodeProperties, RelationshipType, GraphNode, GraphRelationship
- Schema constants: NODE_TABLES, REL_TYPES, REL_TABLE_NAME, EMBEDDING_TABLE_NAME
- Pipeline types: PipelinePhase, PipelineProgress

Both gitnexus (CLI) and gitnexus-web import from gitnexus-shared via
file: dependency. Each package re-exports and extends with platform-specific
additions (CLI: KnowledgeGraph with mutation methods; Web: simpler KnowledgeGraph).

This ensures types can never drift between packages — adding a new
language, node type, or relationship type in gitnexus-shared automatically
propagates to both consumers.

* refactor: import shared types directly from gitnexus-shared at call sites

Replace all re-export patterns with direct imports from gitnexus-shared.
72 files updated across CLI and web:

- SupportedLanguages: 49 CLI files now import from 'gitnexus-shared'
  instead of '../config/supported-languages.js'
- GraphNode, GraphRelationship, NodeLabel: 22 CLI + 10 web files now
  import from 'gitnexus-shared' instead of local re-export wrappers
- NODE_TABLES: api.ts imports from 'gitnexus-shared'
- PipelineProgress: useAppState.tsx imports from 'gitnexus-shared'

Local types.ts files now only define platform-specific KnowledgeGraph
(CLI has mutation methods, web has add-only). No more re-exports.

* fix: update lock files for gitnexus-shared, remove stale vite polyfills

Add gitnexus-shared@1.0.0 to lock files so npm ci succeeds in CI.
Remove buffer polyfill and global define from vite.config.ts (isomorphic-git was removed).

* fix(security): add write guard to HTTP /api/query, fix CORS proxy bypass

- Add isWriteQuery() check to POST /api/query handler — blocks CREATE,
  DELETE, SET, MERGE, DROP, etc. via HTTP API (guard was only in MCP
  pool adapter and browser-side, not the HTTP server path)
- Extend CYPHER_WRITE_RE with CALL, INSTALL, LOAD keywords
- Fix CORS proxy subdomain bypass: endsWith('github.com') allowed
  'evil-github.com'. Now requires exact match or '.github.com' suffix

* feat(server): enhance /api/search with enrichment, add /api/grep, strip graph content

- POST /api/search: add mode param (hybrid|semantic|bm25), server-side
  enrichment returns connections/cluster/processes per result in one call
  (collapses 31 sequential HTTP calls to 1 for the agent search tool)
- GET /api/grep: regex search across indexed file contents, eliminates
  need to transfer all file contents to browser
- GET /api/graph: strip content field by default (80-95% payload
  reduction). Use ?includeContent=true for backward compat
- Add LRU cache invalidation hook point for future caching

* feat(server): add /api/embed endpoint for server-side embedding generation

- POST /api/embed: triggers embedding pipeline via onnxruntime-node
  with JobManager for single-slot concurrency, timeout, and dedup
- GET /api/embed/:jobId: poll job status
- GET /api/embed/:jobId/progress: SSE stream with heartbeat, event IDs,
  and X-Accel-Buffering:no header for proxy compatibility
- DELETE /api/embed/:jobId: cancel running embedding job
- Maps embedding pipeline phases (ready→complete, error→failed) to
  JobManager status conventions

* feat(web): create consolidated BackendClient module

Single HTTP client replacing backend.ts, server-connection.ts, and
worker HTTP helpers. Includes:
- Typed methods: runQuery, search (enriched), grep, readFile, connect
- Generic streamSSE<T> utility extracted from analyze progress pattern
- BackendError with discriminated code field (network/server/client/timeout)
- Embed API: startEmbeddings, streamEmbeddingProgress, cancelEmbeddings
- Search with mode param (hybrid|semantic|bm25) and enrichment

* refactor(web): rewrite Graph RAG tools for backend-only HTTP queries

- Search tool: uses enriched /api/search (1 call replaces 31 sequential queries)
- Cypher tool: removes browser-side embedding; {{QUERY_VECTOR}} routes to
  /api/search with mode:'semantic' instead of local transformers.js
- Grep tool: uses /api/grep instead of in-memory fileContents map
- Read tool: uses /api/file instead of fileContents map lookup
- Impact tool: getCallSiteSnippet now async via /api/file
- createGraphRAGTools now accepts GraphRAGBackend interface instead of
  7 separate function params + fileContents map
- createGraphRAGAgent simplified to (config, backend, context?)
- Removed imports: embedder, lbug/schema (replaced with gitnexus-shared)
- Net: -205 lines

* refactor(web): delete WASM infrastructure, remove 7 packages (-5242 lines)

Delete browser-side LadybugDB, embeddings, search, and worker:
- gitnexus-web/src/core/lbug/ (adapter, csv-generator, schema, query-result)
- gitnexus-web/src/core/embeddings/ (embedder, pipeline, text-gen, types)
- gitnexus-web/src/core/search/ (bm25-index, hybrid-search)
- gitnexus-web/src/workers/ingestion.worker.ts (828 lines)
- gitnexus-web/src/services/server-connection.ts (merged into backend-client)
- gitnexus-web/src/types/lbug-wasm.d.ts

Remove packages: @ladybugdb/wasm-core, @huggingface/transformers,
comlink, minisearch, vite-plugin-wasm, vite-plugin-top-level-await,
vite-plugin-static-copy

Update vite.config.ts: remove WASM plugins, COOP/COEP headers,
worker config, optimizeDeps exclude

Update imports: App.tsx, DropZone, Header, AnalyzeProgress,
BackendRepoSelector, useBackend → backend-client

* refactor(web): replace Worker/Comlink with direct BackendClient calls

- useAppState: remove Worker instantiation, Comlink.wrap, apiRef.
  All queries now go through BackendClient HTTP functions directly.
- Agent runs on main thread (I/O-bound LLM streaming, not CPU-bound)
- initializeAgent: creates GraphRAGAgent with GraphRAGBackend interface
  bound to BackendClient methods (runQuery, search, grep, readFile)
- startEmbeddings: calls POST /api/embed + SSE progress instead of
  running browser-side transformers.js pipeline
- switchRepo: no longer loads graph into WASM DB or extracts fileContents
- App.tsx: handleServerConnect simplified (no fileContents, no loadServerGraph)
- Delete old backend.ts (replaced by backend-client.ts)
- Net: -396 lines

* fix(web): fix await-in-map build error in agent streaming

Move dynamic import of AIMessage outside .map() callback to avoid
"await can only be used inside an async function" build error.

* fix(web): remove stale apiRef references that broke chat functionality

sendChatMessage referenced apiRef.current (deleted Worker ref) which
would throw TypeError. Replaced with agentRef.current guard since agent
now runs on main thread.

* fix(server): dispose embedJobManager on shutdown, fix job mutation

- Add embedJobManager.dispose() to shutdown handler (was missing,
  causing cleanup timer to keep Node process alive)
- Replace direct job.repoName/status mutation with updateJob() to
  ensure SSE event emission for initial status change

* fix(server): parameterize Cypher, harden grep, unify SSE endpoints

- Search enrichment: replace string interpolation with executePrepared()
  using $nid parameter binding to prevent Cypher injection
- Add executePrepared() to core lbug-adapter (prepare/execute pattern)
- /api/grep: add 200-char pattern length limit (ReDoS protection),
  search files on disk instead of loading entire corpus into memory
  (constant memory usage regardless of repo size)
- Extract mountSSEProgress() shared helper for SSE streaming — both
  analyze and embed endpoints now have consistent heartbeat (30s),
  event IDs (reconnection support), and X-Accel-Buffering header

* refactor(web): remove dead code from Worker-era architecture

- Remove loadServerGraph no-op function, interface member, and all consumers
- Remove testArrayParams stub and interface member
- Remove fileContents state from GraphStateProvider (never populated in
  server-side architecture)
- Remove forceDevice parameter from startEmbeddings (server-side, no device choice)
- Replace phantom EmbeddingProgress type with inline { phase, percent }
- Replace resolvePathFromContents (needed fileContents Map) with graph-based
  file path resolution using filePathIndex built from graph nodes
- Fix: AI citation grounding ([[file.ts:10]]) now works via graph node lookup
  instead of broken fileContents-based resolution

* fix(web): use streamAgentResponse for full tool_call/reasoning streaming

Replace naive agent.stream() loop that only handled content chunks with
streamAgentResponse() generator from agent.ts. This properly routes:
- reasoning tokens (before/between tool calls)
- tool_call events (name, args, status)
- tool_result events (completed tool output)
- content tokens (final answer after all tools done)

Previously the onChunk handler for tool_call/tool_result/reasoning was
dead code since the streaming loop only emitted content events.

* fix(web): resolve CI type errors from dead code removal

- Import GraphNode/GraphRelationship from gitnexus-shared in graph.ts
  (not re-exported from local types.ts)
- Add Route, Tool entries to NODE_COLORS and NODE_SIZES constants
- Add PipelineResult type to web types/pipeline.ts
- Remove fileContents from CodeReferencesPanel and RightPanel
- Remove testArrayParams and forceDevice from EmbeddingStatus
- Remove forceDevice args from startEmbeddings() calls in App.tsx
- Fix embeddingProgress property accesses for simplified type

* fix(ci): add setup-gitnexus-web action, build shared once per job

- Remove prepare script from gitnexus-shared (tsc not available during
  npm ci of consuming packages)
- Create .github/actions/setup-gitnexus-web composite action: builds
  gitnexus-shared then runs npm ci for gitnexus-web
- setup-gitnexus action: already builds gitnexus-shared for CLI jobs
- ci-quality typecheck-web: uses setup-gitnexus-web (DRY)
- ci-e2e: uses setup-gitnexus-web (DRY)
- ci-tests: gitnexus-shared already built by setup-gitnexus, just
  install web deps without rebuilding

* fix(ci): use prepare script so gitnexus-shared builds during npm ci

Move typescript from devDependencies to dependencies in gitnexus-shared
so the prepare script (tsc) works when npm resolves file: deps during
npm ci. No GHA modifications needed — npm handles the build lifecycle
automatically.

Remove manual gitnexus-shared build steps from setup-gitnexus and
setup-gitnexus-web actions.

* fix(ci): build gitnexus-shared explicitly in setup actions

The file: dependency protocol doesn't reliably run prepare scripts
because devDependencies aren't installed first. Instead of fragile
lifecycle hacks, build gitnexus-shared explicitly in both setup actions:
- setup-gitnexus: npm install && npm run build in gitnexus-shared/
- setup-gitnexus-web: same, before npm ci in gitnexus-web/
- ci-tests: shared already built by setup-gitnexus, web just npm ci

No prepare script, no dist in git, no typescript as a prod dependency.

* fix: remove CALL from CYPHER_WRITE_RE — breaks FTS and vector search

CALL is used by read-only procedures: CALL QUERY_FTS_INDEX(...) and
CALL QUERY_VECTOR_INDEX(...). Adding it to the write guard blocked all
FTS search, causing 3 test failures. The database is opened in read-only
mode as defense-in-depth against write procedures via CALL.

Keep INSTALL and LOAD in the blocklist (genuinely dangerous).

* fix(web): update vercel.json for gitnexus-shared, remove COOP/COEP

- Add installCommand that builds gitnexus-shared before installing
  web deps (Vercel doesn't know about the monorepo file: dependency)
- Remove Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy
  headers (no longer needed — WASM LadybugDB removed)

* fix(web): update tests for deleted modules

- Delete csv-generator.test.ts (tests deleted WASM-only csv-generator)
- Update security-guards.test.ts: import NODE_TABLES/REL_TYPES from
  gitnexus-shared instead of deleted src/core/lbug/schema
- Update server-connection.test.ts: import normalizeServerUrl from
  backend-client, remove extractFileContents tests (function deleted)

* fix(e2e): remove Server tab click — UI is now server-only

The DropZone no longer has ZIP/GitHub/Server tabs (browser ingestion
was removed). The server URL input is directly visible on the landing
page. Update e2e test to skip the tab click and go straight to input.

All 5 e2e tests pass locally.

* refactor: use gitnexus-shared for PipelinePhase/PipelineProgress types

CLI was duplicating PipelinePhase and PipelineProgress locally instead
of importing from gitnexus-shared. Updated all consumers to import
directly. Also removed dead code: SerializablePipelineResult,
serializePipelineResult(), deserializePipelineResult().

* fix(server): address PR #536 review — security, race conditions, dead code

- Fix path traversal in POST /api/analyze: split into isAbsolute + normalize check
- Add shared repo lock (activeRepoPaths) preventing concurrent analyze+embed on same repo
- Fix 202 response returning actual job.status instead of hardcoded 'queued'
- Add 30-minute timeout for embedding jobs (was missing unlike analyze jobs)
- Fix DropZone calling startAnalyze without setting backend URL first
- Add SSE reconnect with exponential backoff (3 retries) and Last-Event-ID
- Fix normalizeServerUrl to return base URL (no /api suffix) — clear contract
- Delete dead code: proxy.ts, server-graph-hydration.ts, pipeline.ts re-export barrel
- Update LoadingOverlay to import PipelineProgress directly from gitnexus-shared

* fix(server): fix repo lock key mismatch and embed cancel race

- Use getStoragePath(targetPath) as lock key in analyze handler to match
  embed handler's entry.storagePath — keys now always align
- Guard embed completion: don't overwrite 'failed' with 'complete' when
  job was cancelled while pipeline was still running
- Remove unused jobType parameter from acquireRepoLock
- Log backend.init() errors instead of silently swallowing

* fix: add gitnexus-shared as a local dependency in package-lock.json

* refactor: move language detection to gitnexus-shared, add syntax highlighting for all 15 languages

Move getLanguageFromFilename() from CLI to gitnexus-shared with COBOL
support added. Add getSyntaxLanguageFromFilename() for Prism-compatible
syntax highlighting covering all 15 code languages plus auxiliary
formats (json, yaml, markdown, html, css, bash, sql, xml).

Refactor CodeReferencesPanel to use shared function instead of a local
30-line switch. Delete dead gitnexus-web/src/config/supported-languages.ts
(web already imports SupportedLanguages from gitnexus-shared).

* feat(web): add first-time user onboarding with auto server detection

Replace the manual "Connect to Server" panel with an automatic onboarding
flow that guides first-time users through starting the GitNexus server.

Server detection:
- useBackend hook polls via setTimeout chain (3s, no overlap)
- Page Visibility API pauses polling when tab is hidden
- SSE heartbeat (/api/heartbeat) for instant disconnect detection

Onboarding UI (OnboardingGuide.tsx):
- Step-by-step flow: copy command → run → auto-connect
- Smart command: shows `gitnexus serve` in dev, `npx gitnexus@latest serve` in prod
- Node.js version auto-detected from package.json via Vite define
- Faux terminal windows with copy-to-clipboard, platform tabs, polling indicator

Transitions (DropZone.tsx):
- Crossfade wrapper with snapshot pattern for smooth phase transitions
- Three phases: onboarding → success (1.2s hold) → loading → graph
- Auto-recovery: falls back to onboarding if server dies or connect fails

Server changes:
- GET /api/heartbeat: SSE endpoint for liveness detection
- GET /api/info: version, launch context, Node.js version
- npm run serve script for local development
- app.disable('x-powered-by') hardening

* feat(web): add repo analysis UI, SSE heartbeat, and review fixes

Repo analysis:
- AnalyzeOnboarding: empty-state card when server has zero repos
- RepoAnalyzer: GitHub URL + Local Folder tabs with browse button
- Header repo dropdown: click project badge to switch repos or analyze new
- DropZone 'analyze' phase integrated into Crossfade transitions

Reliability fixes from 5-agent review:
- Polling: stop scheduling timers when tab hidden, restart on visibility return
- Heartbeat: exponential backoff (1s/2s/4s, 3 retries) prevents graph loss on blip
- RepoAnalyzer: completion timer tracked in ref, cleaned up on unmount
- DropZone: standardized card padding (p-7), heading sizes (text-lg)

Accessibility:
- prefers-reduced-motion global CSS rule (WCAG 2.3.3)
- focus-visible rings on CopyButton
- cursor-pointer on all Header buttons
- Consistent rounded-xl on all dropdowns

Cleanup:
- Deleted dead AnalyzeSheet.tsx (219 LOC) and BackendRepoSelector.tsx (89 LOC)
- Fixed AnalyzeProgress lucide import (lucide-react → @/lib/lucide-icons)

* fix(server): resolve analyze worker fork crash in dev mode

The forked analyze worker was crashing immediately with exit code 1
when running via `npm run serve` (tsx). Two issues:

1. Worker path resolved to `analyze-worker.js` but only `.ts` exists
   in the source directory — the `.js` file is only in `dist/`.

2. On Windows, bare `--import tsx` in execArgv fails because Node's
   ESM resolver for --import uses the child's CWD, not the parent's
   node_modules. Windows also rejects raw paths as `d:` is not a
   valid URL scheme.

Fix: detect dev vs prod via `import.meta.url` extension. In dev mode,
resolve `tsx/esm` to an absolute `file://` URL via `pathToFileURL()`
anchored to the parent's `createRequire` context. This works on all
platforms and doesn't depend on the child's CWD or PATH.

Also captures child stderr for better crash diagnostics.

Verified: `POST /api/analyze` with GitHub URL completes successfully
in dev mode (tsx) — status goes from cloning → analyzing → complete.

* fix(server): add worker auto-retry, error handling, and crash diagnostics

Worker resilience:
- Auto-retry up to 2 times with exponential backoff (1s, 2s) on crash
- SSE progress shows "Retrying after crash (1/2)..." during retry
- Captures child stderr for crash diagnostics in failure message
- AnalyzeJob tracks retryCount per job

Server error handling:
- app.listen wrapped in Promise so EADDRINUSE/EACCES propagate cleanly
- serve.ts catches startup errors with friendly messages and exit code 1
- EADDRINUSE gets actionable guidance (stop other process or --port flag)
- Global uncaughtException/unhandledRejection handlers prevent silent exits
- DEBUG=1 env var shows full stack traces

* feat: add e2e tests for onboarding flows, worker retry, and error handling

E2E tests (onboarding.spec.ts — 11 tests):
- Flow 1: OnboardingGuide shown when server unreachable (6 tests)
- Flow 2: Auto-connect with success card, analyze phase for zero repos
- Flow 3: Analyze form — GitHub URL validation, Local Folder tab, tab switching
- Flow 4: Repo dropdown in exploring view (skipped without live server)

Updated server-connect.spec.ts:
- Replaced manual Connect button flow with auto-connect waitForGraphLoaded

Server resilience:
- Worker auto-retry (2 attempts with exponential backoff) on crash
- Friendly error messages for serve startup failures (EADDRINUSE etc.)
- Global uncaughtException/unhandledRejection handlers prevent silent exits
- app.listen wrapped in Promise for proper error propagation

* refactor(shared): enforce exhaustive language coverage via Record types

Replace the if/else chain in getLanguageFromFilename with two exhaustive
Record<SupportedLanguages, ...> maps:

- EXTENSION_MAP: every language → its file extensions
- SYNTAX_MAP: every language → its Prism syntax identifier

Adding a new member to the SupportedLanguages enum without adding it to
both maps now produces a TypeScript compile error:

  Property '[SupportedLanguages.NewLang]' is missing in type...

This matches the existing pattern in languages/index.ts (providers table)
which already uses `satisfies Record<SupportedLanguages, LanguageProvider>`.

Three compile-time enforcement points now exist:
1. EXTENSION_MAP in language-detection.ts (file extensions)
2. SYNTAX_MAP in language-detection.ts (Prism syntax identifiers)
3. providers in languages/index.ts (LanguageProvider instances)

* feat(web): load source code from server and scroll to selected line

CodeReferencesPanel now fetches file content via GET /api/file when a
node is selected, instead of showing "Code not available in memory".

- Fetches via readFile() from backend-client when selectedFilePath changes
- Shows loading spinner while fetching
- After content loads, auto-scrolls to the selected node's startLine
- Highlights the selected line range with a cyan left border
- Cancels in-flight fetch if selection changes before it completes

Also: refactored language-detection.ts to use exhaustive Record types
(EXTENSION_MAP and SYNTAX_MAP) so adding a new SupportedLanguages enum
member without implementing extensions/syntax is a compile error.

* feat: buffered file reading for Code Inspector

Server: GET /api/file now supports ?startLine=N&endLine=M for reading
a line range instead of the entire file. Returns { content, startLine,
endLine, totalLines }.

Client: readFile() returns ReadFileResult with metadata. When selecting
a symbol (function, class, method), fetches only ±50 lines around the
symbol's startLine/endLine instead of the full file. File nodes still
fetch the entire file.

SyntaxHighlighter startingLineNumber set from the buffer offset so line
numbers are correct even for partial reads.

* fix: adapt readFile callers to new ReadFileResult return type

tools.ts: readFile comes from GraphRAGBackend interface which returns
Promise<string> (the adapter in useAppState extracts .content), so
revert the { content } destructuring back to plain string assignment.

useAppState.tsx: wrap backendReadFile with { repo } options object
and extract .content to satisfy the GraphRAGBackend interface.

* fix(web): ensure new repos appear in list immediately after analysis

Two fixes:

1. DropZone: handleAnalyzeComplete now passes the repoName through to
   connectToServer so the specific newly-analyzed repo loads — not the
   server's default first repo.

2. App.tsx: fetchRepos() is now awaited BEFORE handleServerConnect in
   both the DropZone and Header flows. This ensures the repo list is
   populated before the exploring view renders, so the new repo appears
   in the header dropdown immediately without a page reload.

* feat: delete repos, re-analyze with force, select after analysis

Server — DELETE /api/repo:
- Acquires repo lock first (409 if analyze/embed in flight)
- Closes LadybugDB, deletes index + clone dir, unregisters, re-inits
- Lock released in finally block

Server — analyze complete:
- backend.init() must succeed before SSE complete fires
- If backend.init() fails, job is marked failed (not complete)

Web — Header repo dropdown:
- Re-analyze: calls POST /api/analyze with force=true, shows spinning
  icon + inline progress bar via SSE
- Delete: acquires lock, aborts any running re-analysis SSE for same
  repo, refreshes list, switches to next repo
- After analysis completes: refreshes repo list, connects to the
  specific repo by name, loads graph, shows in explorer
- Retry with 1.5s backoff on 404 (server may still be reinitializing)

Type safety:
- err: any → err: unknown + instanceof BackendError in retry loop
- Added missing BackendRepo + BackendError imports in App.tsx
2026-03-28 14:07:11 +00:00
Chirag Nighut
1a0784befe
feat: add more node types in filter panel (#519)
* fix(web): enable Cypher queries when connected to backend server

Route queries through HTTP API in backend mode instead of checking local WASM database.

Made-with: Cursor

* chore: add Maven/Gradle wrapper files to default ignore list

Add build wrapper scripts and directories to hardcoded ignore lists:
- Directories: .mvn, .gradle, gradle
- Files: mvnw, mvnw.cmd, gradlew, gradlew.bat

These are build infrastructure files, not source code.

Made-with: Cursor

* ci: re-trigger CI (Windows flaky timeout)

Made-with: Cursor

* feat: add more node types in filter panel

* feat: add more node types in filter panel

* revert additional changes

* test(web): add unit tests for filter panel node types

- FILTERABLE_LABELS: verify new types (Enum, Type, Decorator, Variable)
  have colors, sizes, and no duplicates
- Filter panel icons: verify every filterable label has an icon mapped
  and all icons are exported from lucide-icons
- Color legend: verify new types are included, ordered correctly, and
  are a subset of FILTERABLE_LABELS

Made-with: Cursor
2026-03-26 06:50:40 +00:00
John R. Eakin
f0540b33fb
ci: E2E workflow, web typecheck job, pre-commit hook, test suite (#486) 2026-03-24 06:01:08 +00:00
jreakin
2bd04fe2c4 test: add positive/negative tests for O(1) lookup optimizations
8 tests verifying the data structures underlying performance changes:

nodeById Map (O(1) lookup):
  + Map.get returns correct node by ID
  + duplicate IDs: last wins
  - non-existent ID returns undefined
  - empty Map returns undefined

Set.has (O(1) highlight matching):
  + present IDs return true
  - absent IDs return false
  + handles IDs with colons, dots, slashes
  - case-sensitive matching

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 10:16:33 -05:00
jreakin
f4bb78c03a test: add negative tests for CSV generation
- empty graph produces header-only CSVs (no data rows)
- empty graph relCSV has only header
- double quotes in node names are RFC 4180 escaped
- file node without fileContents gets empty content (no crash)
- community with empty keywords array produces valid CSV
- unknown node labels are silently skipped

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 08:21:31 -05:00
jreakin
47f9b6c48d fix: add multi-language NodeLabel types, close old db/conn, CSV tests
- Add 15 multi-language labels to NodeLabel union (Struct, Trait, Impl,
  TypeAlias, Const, Static, Namespace, Union, Typedef, Macro, Property,
  Record, Delegate, Annotation, Constructor, Template) — eliminates
  unsafe casts in csv-generator
- Close previous conn/db before recreating in loadGraphToLbug to prevent
  WASM resource leaks across repo switches
- Add 7 CSV generation tests: multi-language tables, column count,
  keyword comma escaping, file content, relation CSV, all NODE_TABLES

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 08:21:31 -05:00
jreakin
57e087de49 fix(web): strip quoted strings before readOnly keyword check
The readOnly guard was matching keywords inside string literals,
blocking legitimate queries like WHERE n.name CONTAINS "delete".
Now strips single/double-quoted strings before checking, so only
actual Cypher write keywords outside strings are blocked.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 05:09:44 -05:00
jreakin
fc6c114570 fix(web): MermaidDiagram XSS, isSafeId allows @, rawMermaid typed
- Add DOMPurify.sanitize() to MermaidDiagram.tsx dangerouslySetInnerHTML
  (was rendering AI-generated SVG unsanitized — the highest-risk surface)
- Add @ to isSafeId regex for scoped npm packages (@angular/core, etc.)
- Add rawMermaid to ProcessData interface, remove (process as any) casts
- Update security tests: @scope/pkg now accepted, @angular/core added

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 05:01:57 -05:00
jreakin
208ade9b11 fix: add / back to isSafeId — node IDs contain file paths
Node IDs are generated as Label:filePath (e.g., Function:src/foo.ts:bar),
so forward slashes are expected in legitimate IDs. The over-tightened
regex was dropping all path-based IDs from Cypher queries.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 04:45:09 -05:00
jreakin
9f14edc226 fix(web): security hardening — Cypher injection, XSS, readOnly, prepared statements
- DOMPurify.sanitize() on mermaid SVG in ProcessFlowModal
- validLabel()/validRelType() guards on all Cypher interpolation in tools.ts
- isSafeId() strict regex in ProcessesPanel (no spaces/slashes/metacharacters)
- executeQuery defaults readOnly=true (rejects CREATE/DELETE/DROP/etc.)
- Singleton promise for initLbug (prevents concurrent init races)
- Prepared statements for relation inserts (batched by label pair)
- executeWithReusedStatement for enrichment updates
- try/finally on all PreparedStatement cleanup
- 99 security guard tests (validLabel, validRelType, isSafeId, readOnly regex)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 04:45:09 -05:00
jreakin
ee78ebe64a test: add positive and negative tests for all 4 bug fixes
16 tests covering the data structures and logic underlying each fix:

createKnowledgeGraph (loadServerGraph data flow):
  + nodes stored correctly via addNode
  + relationships stored correctly via addRelationship
  + deduplication by ID
  + nodeCount reflects unique count
  - empty graph has zero counts
  - relationships with non-existent nodes still stored

loadServerGraph data flow:
  + server data reconstructs into valid KnowledgeGraph
  + fileContents Map built from server entries
  - empty server data produces empty graph
  - fileContents replaces (not accumulates) on reload

BM25 index argument type:
  + Map<string, string> has entries() for BM25
  - KnowledgeGraph does NOT have entries() (the original bug)

Highlight clearing:
  + clearing Set produces empty set
  + independent highlight sources cleared separately
  - clearing highlights doesn't affect node selection
  - toggling AI ON doesn't clear process highlights

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-23 03:48:27 -05:00