✨ feat(photos): add Photos app with mana-media EXIF integration

- Add Photos NestJS backend (port 3019) with albums, favorites, tags
- Add Photos SvelteKit web app (port 5189) with gallery, upload, filters
- Extend mana-media with EXIF extraction service using exifr
- Add cross-app photo listing endpoint to mana-media
- Add photo stats endpoint to mana-media
- Add photos to setup-databases.sh

Backend features:
- Albums CRUD with cover image and items management
- Favorites toggle with status check
- Tags CRUD with photo-tag associations
- Photo proxy to mana-media with local data enrichment

Web features:
- Photo grid with infinite scroll
- Photo detail modal with EXIF display
- Album grid and detail views
- Upload dropzone with progress tracking
- Filter bar (app, date range, location, sort)
- i18n support (de/en)
- Svelte 5 runes mode

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/mana-media/apps/api/src/modules/process/process.worker.ts

@@ -57,10 +57,21 @@ export class ProcessWorker extends WorkerHost {
 			height: result.metadata?.height,
 			format: result.metadata?.format,
 			hasAlpha: result.metadata?.hasAlpha,
+			// EXIF data
+			exifData: result.exif?.raw,
+			dateTaken: result.exif?.dateTaken,
+			cameraMake: result.exif?.cameraMake,
+			cameraModel: result.exif?.cameraModel,
+			focalLength: result.exif?.focalLength,
+			aperture: result.exif?.aperture,
+			iso: result.exif?.iso,
+			exposureTime: result.exif?.exposureTime,
+			gpsLatitude: result.exif?.gpsLatitude,
+			gpsLongitude: result.exif?.gpsLongitude,
 		});
 
 		this.logger.log(
-			`Processed image ${mediaId}: thumbnail=${!!result.thumbnail}, medium=${!!result.medium}, large=${!!result.large}`
+			`Processed image ${mediaId}: thumbnail=${!!result.thumbnail}, medium=${!!result.medium}, large=${!!result.large}, exif=${!!result.exif}`
 		);
 	}
 }