feat: add LanceDB backend abstraction and migration path - #574

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dekoza wants to merge 11 commits into

MemPalace:developfrom

dekoza:feat/lancedb-migration

Commits on Apr 12, 2026

Phase 1+2: LanceDB backend, pluggable vectorizers, reindex CLI
dekoza
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45917aa
Phase 5: Unify knowledge graph into LanceDB tables
dekoza
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f769ab9
Phase 6: LongMemEval benchmarks — v3 vs v4 comparison
dekoza
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5d18d06
docs: add v4 benchmark results to BENCHMARKS.md
dekoza
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da23f73
feat(embeddings): ONNX default embedder, strip sync, lint fixes
dekoza
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8b7efe7
fix(storage): guard LanceDB dimension mismatch, fix test port, strip sync from benchmark
dekoza
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8e2df63
feat(storage): promote node_id and seq to top-level LanceDB columns
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1810fba
fix: address PR review findings
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c883c53
fix: respect create=False in open_collection to prevent side-effect directory creation
dekoza
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f37ced9
refactor: move LanceDB backend into backends/lance.py, align with upstream backend seam
dekoza
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ebaec43
feat(backends): add update() method to BaseCollection and backends
dekoza
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d3085f9