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Author SHA1 Message Date
Bryan Helmkamp
5eeacd7864 fmt 2026-04-11 11:27:46 -04:00
Bryan Helmkamp
6ca2833e77 refactor(billing): unify the LLM billing domain 
Replace the overlapping usage and cost model with canonical billing
primitives centered on ModelRef, ModelHandle, TokenCounts, and
BilledModelUsage. This also renames the public API and web surface from
usage to billing, removes compatibility aliases, and normalizes provider
usage adapters onto the shared billing vocabulary.
 2026-04-07 14:33:35 -04:00
Bryan Helmkamp
a1e0762eb0 refactor(workspace): satisfy clippy all-targets warnings 2026-04-05 14:37:32 -04:00
Bryan Helmkamp
ddc57d458c Rename SessionConfig to SessionOptions and McpServerConfig to McpServerSettings 
Aligns naming with the convention that "Config" is for file-level configuration
while "Options" and "Settings" describe runtime parameters. Also applies
rustfmt formatting fixes in web_auth.rs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-02 06:47:42 -07:00
Bryan Helmkamp
c6cb9c6e7e Expand OpenAI twin coverage across integration tests 
Add shared twin scenario helpers and use them to cover OpenAI-backed
CLI, agent parity, workflow, and exec integration paths. This brings the
worktree implementation back into the main checkout as a single commit.
 2026-04-01 11:03:34 -04:00
Bryan Helmkamp
1c6c160e08 Centralize E2E test env var handling 2026-03-31 09:30:38 -04:00
Bryan Helmkamp
f2729d22ef Clean up workspace clippy warnings 2026-03-30 11:27:25 -04:00
Bryan Helmkamp
6f2273941f Consolidate integration tests under tests/it 2026-03-29 13:47:09 -04:00
Bryan Helmkamp
538560f852 Move subagent_manager from setter to Session::new() constructor parameter 
Replaces set_subagent_manager() with an Option parameter on the
constructor so the dependency is explicit at creation time.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-23 13:23:23 -04:00
Bryan Helmkamp
d6fd386d16 Add ReasoningEffort enum to replace raw Option<String> 
Introduces a typed ReasoningEffort enum (Low, Medium, High) with
serde, Display, and FromStr support. Updates Request, GenerateParams,
and SessionConfig to use Option<ReasoningEffort> instead of
Option<String>. Aligns with spec change removing "none" as a valid
reasoning_effort value.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-23 12:50:42 -04:00
Bryan Helmkamp
b336e4995e Remove ProfileCapabilities, rename ProviderProfile to AgentProfile, fix layer separation 
Move model facts (knowledge_cutoff, context_window) to fabro-model catalog as
source of truth. Move request-shaping (auto-thinking, 1M beta headers, Gemini
safety settings) into fabro-llm adapters. Delete ProfileCapabilities struct and
all dead code (supports_reasoning, supports_streaming, supports_parallel_tool_calls,
OpenAiProfile.reasoning_effort). Fix "powered by OpenAI" mislabeling for
Kimi/ZAI/Minimax/Inception providers.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-23 12:38:05 -04:00
Bryan Helmkamp
95fffac267 Flatten LanguageModel trait + ModelInfo into struct Model 
Delete the single-implementor LanguageModel trait and merge its methods
into inherent impl on a renamed Model struct. Change provider field from
String to Provider enum, eliminating constant string↔enum conversions
across the codebase. Fix Provider serde attributes so OpenAi serializes
as "openai" (not "open_ai") to match catalog.json.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-23 11:48:55 -04:00
Bryan Helmkamp
4711a9eb48 Redesign fabro-model with LanguageModel trait, Catalog struct, and ModelRef (#121) 
Introduce OOP API for the model catalog: LanguageModel trait with blanket
impl on ModelInfo, Catalog struct with typed methods (get, list,
default_for_provider, closest, build_fallback_chain, etc.), ModelRef enum
replacing ModelId, and Provider::OpenAiCompatible variant. Migrate all
callers across the workspace to use Catalog::builtin() and remove the old
free-function API.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-23 11:15:40 -04:00
brynary-fabro[bot]
c81fd1740b Extract fabro-model crate from fabro-llm (#109) 
This PR extracts a new `fabro-model` crate from `fabro-llm`, isolating
the model catalog, provider identity types, and model metadata into a
focused, lightweight package. The new crate contains `Provider`,
`ModelId`, `ModelInfo` (and related structs), and the full catalog API
(`get_model_info`, `list_models`, `default_model_from_env`,
`build_fallback_chain`, etc.) — with only `serde` and `serde_json` as
runtime dependencies, no async runtime required.

The extraction follows a clean boundary: `fabro-llm` now depends on
`fabro-model` and re-exports `Provider` and `ModelId` at its root so
existing `fabro_llm::Provider` usage remains valid without a migration.
The `ProviderAdapter` trait, `StreamEventStream`, and
`validate_tool_choice` stay in `fabro-llm` since they depend on async
streaming types. All seven consumer crates (`fabro-agent`, `fabro-api`,
`fabro-cli`, `fabro-hooks`, `fabro-workflows`, `fabro-validate`, and
`fabro-llm` itself) are updated to import catalog functions and provider
types directly from `fabro_model` rather than `fabro_llm::catalog` or
`fabro_llm::provider`.

The most impactful dependency reduction is in `fabro-validate`, which
previously pulled in all of `fabro-llm` (tokio, reqwest, the full async
runtime) just to perform catalog lookups and validate provider names. It
now depends solely on `fabro-model`, eliminating that heavyweight
transitive closure. All other consumers retain their `fabro-llm`
dependency for client and streaming functionality, but gain a precise
import path for catalog and identity concerns.

### Fabro Details

<details>
<summary>Ran 9 stages in 21m 16s for $5.47</summary>

| Stage | Duration | Cost | Retries |
|---|---|---|---|
| start | 0s | – | 0 |
| toolchain | 0s | – | 0 |
| preflight_compile | 1m 10s | – | 0 |
| preflight_lint | 12s | – | 0 |
| implement | 13m 29s | $3.81 | 1 |
| simplify_opus | 5m 41s | $1.66 | 0 |
| simplify_gpt | 0s | – | 0 |
| verify | 15s | – | 0 |
| fmt | 1s | – | 0 |
| **Total** | **21m 16s** | **$5.47** | **1** |

</details>

<details>
<summary>Ran <code>ImplementAndSimplify.fabro</code> (12 nodes and 15
edges)</summary>

```dot
digraph ImplementAndSimplify {
    graph [
        goal="Implement and simplify",
        model_stylesheet="
            * { backend: api; model: claude-opus-4-6;}
        "
    ]
    rankdir=LR

    start [shape=Mdiamond, label="Start"]
    exit  [shape=Msquare, label="Exit"]

    toolchain         [label="Toolchain", shape=parallelogram, script="command -v cargo >/dev/null || { curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && sudo ln -sf $HOME/.cargo/bin/* /usr/local/bin/; }; cargo --version 2>&1", max_retries=0]
    preflight_compile [label="Preflight Compile", shape=parallelogram, script="cargo check -q --workspace 2>&1", max_retries=0]
    preflight_lint    [label="Preflight Lint", shape=parallelogram, script="cargo clippy -q --workspace -- -D warnings 2>&1", max_retries=0]
    fix_lints         [label="Fix Lints", prompt="The preflight lint step failed. Read the build output from context and fix all clippy lint warnings.", max_visits=3]
    implement         [label="Implement", prompt="Read the plan file referenced in the goal and implement every step. Make all the code changes described in the plan. Use red/green TDD."]
    simplify_opus     [label="Simplify (Opus)", prompt="@prompts/simplify.md"]
    simplify_gpt      [label="Simplify (GPT-54)", prompt="@prompts/simplify.md", model="gpt-54"]
    verify            [label="Verify", shape=parallelogram, script="cargo clippy -q --workspace -- -D warnings 2>&1 && cargo nextest run --cargo-quiet --workspace --status-level fail 2>&1", goal_gate=true, retry_target="fixup"]
    fixup             [label="Fixup", prompt="The verify step failed. Read the build output from context and fix all clippy lint warnings and test failures.", max_visits=3]
    fmt               [label="Format", shape=parallelogram, script="cargo fmt --all 2>&1", max_retries=0]

    start -> toolchain
    toolchain -> preflight_compile [condition="outcome=success"]
    toolchain -> exit
    preflight_compile -> preflight_lint [condition="outcome=success"]
    preflight_compile -> exit
    preflight_lint -> implement [condition="outcome=success"]
    preflight_lint -> fix_lints
    fix_lints -> preflight_lint
    implement -> simplify_opus -> simplify_gpt -> verify
    verify -> fmt   [condition="outcome=success"]
    verify -> fixup
    fixup -> verify
    fmt -> exit
}

```

</details>

⚒️ Generated with [Fabro](https://fabro.sh)

---------

Co-authored-by: Fabro <noreply@fabro.sh>
 2026-03-19 22:26:47 -04:00
Bryan Helmkamp
f24bb10110 Upgrade parity matrix OpenAI model from gpt-5-mini to gpt-5.4-mini 
gpt-5-mini is not supported on the ChatGPT/Codex backend, causing all
16 OpenAI parity tests to fail when using browser-auth credentials.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-19 13:24:21 -04:00
Bryan Helmkamp
77c814ade6 Relax web_fetch parity test assertions for LLM summarization variance 
Some providers return summaries of example.com without the exact phrases
"Example Domain" or "example.com", so accept related terms like
"documentation" or "iana" alongside "example".

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-19 11:03:20 -04:00
Bryan Helmkamp
92bb8bbf94 Quarantine Zai E2E parity tests behind feature flag 
Zai provider tests are unreliable (editing, web_fetch, web_search
failures). Gate them behind cfg(feature = "quarantine") like Inception
tests so they don't block the default test suite.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-19 11:03:19 -04:00
Bryan Helmkamp
28884ae093 rename Arc to Fabro in all Rust crates, symbols, env vars, and supporting files 
- Rename 20 crate directories lib/crates/arc-* → fabro-*
- Update all Cargo.toml: crate names, dep paths, feature flags, bin name
- Rename arc_server module → fabro_server in fabro-llm
- ArcError → FabroError across 30+ files
- ARC_VERSION/ARC_GIT_SHA/ARC_BUILD_DATE → FABRO_* constants
- All use/qualified paths: arc_agent:: → fabro_agent::, etc. (~1500 occurrences)
- Env vars ARC_* → FABRO_* in string literals and shell scripts
- String literals: X-Arc-Demo, arc-bot, arc@local, arc-web, arc-mcp, etc.
- Path strings: .arc/ → .fabro/, arc.toml → fabro.toml, refs/arc/ → refs/fabro/
- arc-api.yaml → fabro-api.yaml (OpenAPI spec)
- skills/arc-create-workflow → fabro-create-workflow
- trycmd fixtures: $ arc → $ fabro
- Inline snapshots (insta) updated
- CI, Docker, install.sh, scripts, CLAUDE.md, AGENTS.md
- TypeScript app: env vars, headers, JWT issuer
- Docs: page slugs, git refs, config paths, sandbox names, repo URLs
- Repo references: brynary/arc → fabro-sh/fabro

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-12 12:25:58 -04:00