CartSnitch Engineer Bot 24f0dd0e67 fix: replace N+1 UPC query with SQL containment in normalization
- Add PostgreSQL JSONB containment (@>) query for match_by_upc
- Add SQLite LIKE fallback for test compatibility
- Update upc_variants column to JSONB with variant for cross-db support
- Add GIN index migration for upc_variants

Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-04-14 11:59:28 +00:00
2026-03-30 20:20:07 +00:00
2026-03-30 00:50:51 +00:00
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CartSnitch ReceiptWitness — purchase data ingestion and pipeline
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