2 commits

Author	SHA1	Message	Date
pyr0ball	17cdb552a3	fix: T7 quality — SynthesisResult.citations tuple, retriever comments, test assertion ... - SynthesisResult.citations changed from list[Citation] to tuple[Citation, ...] so frozen=True dataclass is genuinely immutable end-to-end - synthesize() now builds tuple via generator expression - retriever._combined: add comment explaining L2 distance inversion - retriever.hybrid_search: comment on _bm25._chunks private access - test_synthesizer_builds_context_from_chunks: drop vacuous str(call_args) fallback; assert directly on call_args.args[0]	2026-05-04 17:51:22 -07:00
pyr0ball	0e493ab560	feat(api): add retriever, synthesizer, and chat endpoint (BSL — BYOK gate) ... - app/services/retriever.py: hybrid BM25 + semantic Retriever with BM25-only fallback when llm=None - app/services/synthesizer.py: LLM answer synthesis with citation assembly over retrieved chunks - app/api/chat.py: POST /api/chat endpoint with 402 gate when PAGEPIPER_OLLAMA_URL is unset - tests/test_synthesizer.py: 3 TDD unit tests (mocked LLM, context building, system prompt) - tests/test_chat_api.py: 2 integration tests (402 without Ollama, 200 with mocked retriever+LLM)	2026-05-04 17:47:10 -07:00