- Add file proxy route in maker blueprint (X-API-Key auth for browser requests)
- Persist file_path/annotations_json to DB via RecipeCreate/RecipeUpdate schemas
- Fix canvas sizing using grandparent container instead of Fabric.js wrapper div
- Defer canvas init with requestAnimationFrame for x-show timing
- Add PDF.js support in annotation-editor and annotation-viewer
- Fix annotations_json double-serialization (parse string to object before send)
- Handle FastAPI 422 validation error arrays in api_client and JS error display
- Update template URLs to use /maker/api/files/ proxy path
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Adriano
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