Implement hybrid search: Chroma semantic + SQLite temporal

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Core implementation:
- Added Chroma MCP client integration to search-server.ts
- Implemented queryChroma() helper with Python dict parsing
- Added VECTOR_DB_DIR constant to paths.ts
- Added SessionStore.getObservationsByIds() method

Search handlers updated:
- search_observations: Semantic-first with 90-day temporal filter
- find_by_concept/type/file: Metadata-first, semantic-enhanced ranking
- All handlers fall back to FTS5 if Chroma unavailable

Technical details:
- Direct MCP client usage (no abstractions)
- Regex parsing of Chroma Python dict responses
- Semantic ranking preserved in final results
- Graceful degradation to FTS5-only search

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

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This commit is contained in:

Alex Newman

2025-10-31 23:00:04 -04:00

parent 867226c19d

commit 309e8a7139

12 changed files with 1189 additions and 149 deletions

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plugin/scripts/search-server.js

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