45 lines
1010 B
Markdown
45 lines
1010 B
Markdown
---
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phase: 29
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plan: 04
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subsystem: backend
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tags: [migration, backfill, sharp]
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key-files:
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created:
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- scripts/backfill-dominant-colors.ts
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modified:
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- package.json
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metrics:
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tasks: 2
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commits: 1
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files-changed: 2
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---
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# Plan 29-04 Summary: Backfill Migration Script
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## What was built
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- Created `scripts/backfill-dominant-colors.ts` backfill script
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- Processes items, globalItems (source URLs + image URLs), and threadCandidates
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- Extracts dominant color via Sharp 1x1 resize
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- Idempotent: skips records with existing dominantColor
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- Batch processing with 10 concurrent requests
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- Progress logging per table
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- Added `backfill:colors` npm script
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## Commits
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| Task | Commit | Description |
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|------|--------|-------------|
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| 1-2 | 6509b33 | Create backfill script and npm shortcut |
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## Deviations
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None.
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## Self-Check: PASSED
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- Script exists: YES
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- Processes all 3 tables: YES
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- Idempotent (isNull check): YES
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- Batch size 10: YES
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- Progress logging: YES
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- npm script exists: YES
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- Lint passes: YES
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