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Architecture Decision Records
Architecture Decision Records
0001 — Hybrid retrieval (dense + sparse) fused with Reciprocal Rank Fusion
0002 — Tenant isolation via Postgres row-level security, and its trust boundary
0003 — Embedding model: BAAI/bge-small-en-v1.5
0004 — In-process per-tenant BM25 vs. Postgres full-text search
0005 — Citation verification design and the fail-closed 422 policy
0006 — Retrieval latency finding: missing HNSW index + sparse_search over-fetch (and the fix)
hybrid-rag-platform
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