- MatchResult was missing subtitle field, causing AttributeError in
_apply_match that silently killed every background match task
- Wrap _apply_match in try/except with exc_info logging so failures
are visible in docker compose logs backend
- New POST /api/libraries/:id/match-all endpoint to trigger matching
for all unlocked items (useful for items scanned before the fix)
- Admin UI: Match button per library next to the Scan button
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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