- Share PGlite instance per test file (TRUNCATE RESTART IDENTITY instead
of creating new instance per test) — tests run in ~9s vs minutes
- Add missing 'brand' column to items table migration
- Fix corrupt 0002 snapshot (merge conflict artifacts)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add globalItemId and purchasePriceCents columns to items table
- Add globalItemId column to threadCandidates table
- Add tags and globalItemTags tables for tag system
- Remove itemGlobalLinks table (replaced by direct FK)
- Generate migration with data migration step before table drop
