feat(rag): chunk evidence identity, dedup, and search port

Preserve same-document multi-chunk evidence with evidenceKey identity,
per-document caps, retrieve-k/return-n split, and a dense KnowledgeSearchPort.
Archives Delivery 1 OpenSpec change as the foundation for hybrid retrieval.

This commit is contained in:

zhuyongxin

2026-07-27 18:26:15 +08:00

parent 99d4f6f216

commit ac1f831903

34 changed files with 2880 additions and 298 deletions

									
										openspec/changes/archive/2026-07-27-rag-chunk-evidence-identity-dedup/.openspec.yaml
									
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				schema: spec-driven

				created: 2026-07-27