✨ 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>

scripts/setup-databases.sh

@@ -74,6 +74,7 @@ ALL_DATABASES=(
     "figgos"
     "planta"
     "nutriphi"
+    "photos"
     "projectdoc"
     "zitare_bot"
     "todo_bot"
@@ -133,6 +134,10 @@ setup_service() {
             create_db_if_not_exists "picture"
             push_schema "@picture/backend" "picture"
             ;;
+        photos)
+            create_db_if_not_exists "photos"
+            push_schema "@photos/backend" "photos"
+            ;;
         finance)
             create_db_if_not_exists "finance"
             push_schema "@finance/backend" "finance"
@@ -187,7 +192,7 @@ setup_service() {
             ;;
         *)
             echo -e "${RED}Unknown service: $service${NC}"
-            echo "Available services: auth, chat, zitare, contacts, calendar, clock, todo, manadeck, mail, moodlit, finance, voxel-lava, figgos, planta, nutriphi, presi, storage, projectdoc, zitare_bot, todo_bot, nutriphi_bot, questions, skilltree"
+            echo "Available services: auth, chat, zitare, contacts, calendar, clock, todo, manadeck, mail, moodlit, picture, photos, finance, voxel-lava, figgos, planta, nutriphi, presi, storage, projectdoc, zitare_bot, todo_bot, nutriphi_bot, questions, skilltree"
             exit 1
             ;;
     esac
@@ -211,7 +216,7 @@ echo -e "\n${GREEN}Step 2: Pushing schemas${NC}"
 echo "--------------------------------------"
 
 # Push schemas for all known services
-for service in auth chat zitare contacts calendar clock todo manadeck picture mail moodlit finance voxel-lava figgos planta nutriphi presi storage questions skilltree; do
+for service in auth chat zitare contacts calendar clock todo manadeck picture photos mail moodlit finance voxel-lava figgos planta nutriphi presi storage questions skilltree; do
     setup_service "$service" 2>/dev/null || true
 done