Task 4.3 closes the loop on Chunk 4: the FastAPI lifespan now selects fake vs real clients via IX_TEST_MODE (new AppConfig field), wires /healthz probes to the live selfcheck() on OllamaClient / SuryaOCRClient, and spawns the worker with a production Pipeline factory that builds SetupStep -> OCRStep -> GenAIStep -> ReliabilityStep -> ResponseHandler over the injected clients. Factories: - make_genai_client(cfg) -> FakeGenAIClient | OllamaClient - make_ocr_client(cfg) -> FakeOCRClient | SuryaOCRClient (spec §6.2) Probes run the async selfcheck on a fresh event loop in a short-lived thread so they're safe to call from either sync callers or a live FastAPI handler without stalling the request loop. Drops the worker-loop spawn_worker_task stub — the app module owns the production spawn directly. Tests: +11 unit tests (5 factories + 6 app-wiring / probe adapter / pipeline build). Full suite: 236 passed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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