zhuyongxin
376ad0c241
Add configurable hybrid mode on KnowledgeSearchPort that fuses dense unfiltered, dense filtered, and lexical ranks via RRF while preserving dense-compatible threshold scores. Archives Delivery 2 OpenSpec change.
4 lines
305 B
Markdown
4 lines
305 B
Markdown
# Brief: rag-hybrid-search-rrf
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Delivery 2 after chunk identity. Enable hybrid multi-path + RRF on KnowledgeSearchPort without legacy SDK hybrid API. True BM25 schema rebuild is staged follow-up; this change ships sparse-lite lexical ranking over dense candidate union + filtered/unfiltered dense fusion.
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