feat(ingester): support metadata updates only#73
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- Added `updateDocumentsMetadata()` to update metadata (and `source` column) in-place by `uniqueId` without re-embedding or replacing content.
- vectorStoreUtils.ts
- `findChunksToUpdateAndRemove()` now returns three buckets: `contentChanged`, `metadataOnlyChanged`, and `chunksToRemove`.
- `updateVectorStore()` now:
- Removes documents that no longer exist.
- Upserts content-changed documents via `addDocuments()` (re-embeds as before).
- Updates metadata-only documents via `updateDocumentsMetadata()` (no re-embed).
- Tests
- Updated `ingesters/__tests__/vectorStoreUtils.test.ts` to cover content-changed vs metadata-only cases; all tests pass.
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Ingestion: Incremental Vector Store Updates (TypeScript)
updateDocumentsMetadata()to update metadata (andsourcecolumn) in-place byuniqueIdwithout re-embedding or replacing content.findChunksToUpdateAndRemove()now returns three buckets:contentChanged,metadataOnlyChanged, andchunksToRemove.updateVectorStore()now:addDocuments()(re-embeds as before).updateDocumentsMetadata()(no re-embed).ingesters/__tests__/vectorStoreUtils.test.tsto cover content-changed vs metadata-only cases; all tests pass.