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whit3rabbitandClaude Opus 4.6
f2e3ed15f4
Rust workspace with two crates: - translator: pure, IO-free mapping between Anthropic Messages API and OpenAI Chat Completions - proxy: axum HTTP server with auth, streaming SSE, retry/backoff, concurrency limits 169 tests passing (unit, golden fixture, integration). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
63 lines
2.6 KiB
Markdown
63 lines
2.6 KiB
Markdown
# Final API Alignment Audit
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## Implementation Completeness
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### Phases Complete (Implementation)
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| Phase | Description | Status |
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|---|---|---|
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| 1 | Project Scaffolding | Complete |
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| 2 | Anthropic Domain Types | Complete (30+ tests) |
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| 3 | OpenAI Domain Types | Complete (25+ tests) |
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| 4 | Non-Streaming Message Translation | Complete (40+ tests) |
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| 5 | Tool Calling Translation | Complete (15+ tests) |
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| 6 | Proxy Server and Routing | Complete (6+ integration tests) |
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| 7 | Streaming SSE Translation | Complete (20+ tests) |
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| 8 | Files and Document Blocks | Complete (text note fallback) |
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| 9 | Compatibility Endpoints | Complete (5 integration tests) |
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| 10 | Hardening, Security, Observability | Complete |
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| 11 | End-to-End Validation | Complete (golden fixtures) |
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### Test Coverage Summary
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- **169 total tests**
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- Translator crate: 135 unit tests + 7 golden fixture tests
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- Proxy crate: 21 unit tests + 6 integration tests
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- All tests passing, zero clippy warnings, format clean
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### API Alignment vs PLAN.md
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| PLAN.md Requirement | Implementation | Alignment |
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| POST /v1/messages (non-streaming) | Implemented | Full |
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| POST /v1/messages (streaming) | Implemented | Full |
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| GET /v1/models | Implemented (static) | Partial (no OpenAI proxy) |
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| POST /v1/messages/count_tokens | Returns unsupported error | Declared |
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| POST /v1/messages/batches | Returns unsupported error | Declared |
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| Tool calling translation | Implemented | Full |
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| Streaming state machine | Implemented | Full |
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| Error shape translation | Implemented | Full |
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| Retry/backoff | Implemented | Full |
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| Auth middleware | Implemented | Partial (presence only) |
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| Size limits | Implemented (32MB) | Full |
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| Concurrency limits | Implemented (100) | Full |
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### Architecture Alignment
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The implementation follows PLAN.md's recommended architecture:
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- Two-crate workspace (translator lib + proxy bin)
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- Pure translation functions (no IO in translator crate)
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- Typed domain structs with serde flatten for forward compatibility
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- Stateless tool call ID bridge
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- SSE state machine for streaming translation
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- Bounded channel backpressure for streaming
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### Deviation Log
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| Aspect | PLAN.md Recommendation | Actual | Reason |
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| Backend API | Responses preferred, Chat Completions fallback | Chat Completions only | Simpler; stop mapping is cleaner |
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| Canonical IR | CanonicalChatRequest intermediate | Direct A->B mapping | Simpler for single backend target |
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| Document blocks | Convert to input_file.file_data | Text note fallback | Chat Completions lacks inline PDF |
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| Auth | Multi-tenant key mapping | Presence check only | Production hardening deferred |
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