V4.0 proposal - Ditch ChromaDB in favor of LanceDB, add sync capabilities - #529

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dekoza wants to merge 8 commits into

MemPalace:mainfrom

dekoza:feat/lance-and-share

Commits on Apr 10, 2026

Phase 1+2: LanceDB backend, pluggable vectorizers, reindex CLI
dekoza
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fc074b1
Phase 3: Sync metadata injection on all writes
dekoza
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fe5c781
Phase 4: Sync engine, HTTP server, client, and CLI
dekoza
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41dedb3
docs: add UPGRADE.md with changelog and how-tos for Phases 1-4
dekoza
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004bdcd
Phase 5: Unify knowledge graph into LanceDB tables
dekoza
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3c05358
Phase 6: LongMemEval benchmarks — v3 vs v4 comparison
dekoza
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89f2d8f
docs: add v4 benchmark results to BENCHMARKS.md
dekoza
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6375a31
fix: lint cleanup and wall-clock-dependent sync test
dekoza
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f21ba0a