zhuyongxin
f035538531
Replace legacy MilvusServiceClient knowledge search/write with a single MilvusClientV2 hybrid store (BM25 function + dense ANN + RRFRanker). Use collection biz_hybrid and require knowledge reindex.
8 lines
299 B
Markdown
8 lines
299 B
Markdown
# Decisions
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- Single backend: MilvusClientV2 only for knowledge RAG
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- Drop sdk/spring/auto retrieval routing
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- New collection biz_hybrid to avoid mutating legacy biz schema in place
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- Hybrid = dense ANN + BM25 sparse ANN + RRFRanker
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- Dense L2 enrichment for threshold compatibility on hybrid hits
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