2 Commits

Author	SHA1	Message	Date
Artur Mukhamadiev	f4ae73bdae	feat(database): SQLite shadow database for indexed queries ... :Release Notes: - Add ACID-compliant SQLiteStore (WAL mode, FULL sync, FK constraints) - Add AnomalyType enum for normalized anomaly storage - Add legacy data migration script (dry-run, batch, rollback) - Update ChromaStore to delegate indexed queries to SQLite - Add test suite for SQLiteStore (7 tests, all passing) :Detailed Notes: - SQLiteStore: news_items, anomaly_types, news_anomalies tables with indexes - Performance: get_latest/get_top_ranked O(n)→O(log n), get_stats O(n)→O(1) - ChromaDB remains primary vector store; SQLite provides indexed metadata queries :Testing Performed: - python3 -m pytest tests/ -v (112 passed) :QA Notes: - Tests verified by Python QA Engineer subagent :Issues Addressed: - get_latest/get_top_ranked fetched ALL items then sorted in Python - get_stats iterated over ALL items - anomalies_detected stored as comma-joined string (no index) Change-Id: I708808b6e72889869afcf16d4ac274260242007a	2026-03-30 13:54:48 +03:00
Artur Mukhamadiev	65fccbc614	feat(storage): implement hybrid search and fix async chroma i/o ... - Add ADR 001 for Hybrid Search Architecture - Implement Phase 1 (Exact Match) and Phase 2 (Semantic Fallback) in ChromaStore - Wrap blocking ChromaDB calls in asyncio.to_thread - Update IVectorStore interface to support category filtering and thresholds - Add comprehensive tests for hybrid search logic	2026-03-16 00:11:07 +03:00