feat(mobile): UI-03 photos and share pages (17-20)

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

apps/mobile/lib/l10n/app_localizations_en.dart

@@ -876,7 +876,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get photoDeleteConfirmBody =>
-      'The cloud photo will be deleted. This cannot be undone.';
+      'This will soft-delete the photo. It can be managed by admins. Cloud storage is not immediately purged.';
 
   @override
   String get photoHiddenToast => 'Hidden';
@@ -937,4 +937,41 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get moreActions => 'More actions';
+
+  @override
+  String photosTitle(int count) {
+    return '$count photos';
+  }
+
+  @override
+  String photoUploadedBy(String name) {
+    return 'Uploaded by $name';
+  }
+
+  @override
+  String photoDimensions(int width, int height) {
+    return '$width×$height';
+  }
+
+  @override
+  String get photoStatus => 'Status';
+
+  @override
+  String get photoHideAction => 'Hide photo';
+
+  @override
+  String get photoPublishAction => 'Publish again';
+
+  @override
+  String get shareScanHint => 'Scan to view photos';
+
+  @override
+  String get shareNotPublic => 'This link is not publicly accessible yet';
+
+  @override
+  String get hidePhotoTitle => 'Hide this photo?';
+
+  @override
+  String get hidePhotoBody =>
+      'Viewers will no longer see this photo. Authorized album managers can publish it again.';
 }