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Require painting thumb regen on every picture change and document the invariant.

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Fix disk sync, ensure, and preload paths that previously reused the full image as a thumb.

Co-authored-by: Cursor <cursoragent@cursor.com>
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Danila Khodjaef
2026-07-27 14:45:46 +03:00
co-authored by Cursor
parent 67594ea4d3
commit bfa21989c9
4 changed files with 111 additions and 17 deletions
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Documentation/API.md
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@@ -751,6 +751,8 @@ Google-family image search for debug / checkup (Custom Search → Google Arts &
Download a remote URL and replace the painting’s local full image + thumbnail. Sets `checkup_fixed = true` and `checkup_checked = true`.
**Invariant:** every painting picture write (fix, upload, fetch, disk sync) must regenerate a dedicated `paintings/thumbs/*_thumb.jpg` from the full file — never reuse a remote thumb URL or point `thumbnail_path` at the full image. See [data-and-images.md — Painting thumbnail invariant](data-and-images.md#painting-thumbnail-invariant).
Uses `downloadImageForFix` in `scripts/image-fetcher.js` (browser User-Agent, referer fallbacks, Wikimedia URL upgrades) for reliable downloads from Google Arts, Commons, etc.
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