fix: fix vector database and choose implementation version#489

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ooples wants to merge 6 commits intomasterfrom

claude/fix-vector-database-review-0132R5cA9vVxnXsAD2jF13tF

Commits on Nov 15, 2025

feat: implement IGraphStore abstraction layer (Phase 1 of #306)
claude
committed
feat: implement persistent FileGraphStore with B-Tree indexing (Phase 2 of #306)
claude
committed
feat: add async/await support and graph analytics (Version A enhancements)
claude
committed
feat: add WAL and community detection (Version B Phase 2 - Walk)
claude
committed
feat: add full transaction support with ACID guarantees
claude
committed
feat: add hybrid retriever and graph query pattern matching
claude
committed