Adds the destructive-action loop the discard concept needed:
- Click "Discarded" in the left sidebar → activates the discarded
filter; the timeline reloads showing discarded photos.
- DiscardActionBar appears at the top of the timeline only when the
discarded filter is active. Shows the count, a Restore button (when
photos are selected), and an Empty discard pile button.
- Empty action goes through a ConfirmDialog (new tiny reusable modal,
same overlay pattern as AddSourceFolderDialog).
- Restore goes through POST /api/v1/discard/restore.
- DELETE /api/v1/discard/empty now actually os.unlink()s the files
from disk in addition to removing the DB rows. Per-file failures
are logged and reported in the response so a single permission
error doesn't abort the batch.
Other library nodes wired in passing:
- "All Photos" → clearAll()
- "Rated" → setRatingMin(1)
- "Flagged" → setFlag('picked')
- "Discarded" → setFlag('discarded')
- "By Date" left unwired (needs a date-grouping UI)
Single-photo restore via the U keyboard shortcut already worked from
an earlier round, no change needed.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>