feat(albums): soft-delete albums (admin+owner, hidden & irreversible, both app entries)

契约 deleteAlbum（DELETE /albums/{albumId} → 204 幂等）+ status enum 'deleted'：
- 服务端：softDelete（canView 404→canManage 403 防枚举；乐观锁 claim +
  outbox album.updated priority=high + audit album.delete）；列表/详情/更新/
  成员/资产/分类/水印/照片/展示位绑定全部 deleted→404；公开端 cn
  （status!=='active'）与 ov（isAlbumVisibleOv）天然屏蔽；ov 副本经
  album.updated 载荷 status 直投自动下线
- Admin：列表表格操作「删除」+ 详情页头「删除相册」（确认含不可恢复说明）
- App：操作面板「删除相册」（红字、二次确认、成功退回列表并刷新）
- 验证：API 56/56、App 397/397（analyze 0）、admin typecheck/lint/test/build 绿

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

apps/mobile/lib/l10n/app_en.arb

@@ -32,7 +32,13 @@
   "navUploads": "Uploads",
   "navSettings": "Settings",
   "badgeUploading": "{count} tasks",
-  "@badgeUploading": { "placeholders": { "count": { "type": "int" } } },
+  "@badgeUploading": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "albumUploadsOn": "Uploads on",
   "albumUploadsOff": "Uploads off",
   "albumPublicOff": "Not public",
@@ -116,7 +122,13 @@
   "actionEdit": "Edit",
   "membersTitle": "Members",
   "membersTitleCount": "Members ({count})",
-  "@membersTitleCount": { "placeholders": { "count": { "type": "int" } } },
+  "@membersTitleCount": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "ownerGroup": "Owner",
   "collaboratorsGroup": "Collaborators",
   "noCollaborators": "No collaborators yet",
@@ -127,7 +139,13 @@
   "newCategory": "New category",
   "editCategory": "Edit category",
   "deleteCategoryConfirm": "Delete \"{name}\"? Its photos will become uncategorized.",
-  "@deleteCategoryConfirm": { "placeholders": { "name": { "type": "String" } } },
+  "@deleteCategoryConfirm": {
+    "placeholders": {
+      "name": {
+        "type": "String"
+      }
+    }
+  },
   "noCategories": "No categories yet",
   "albumCategories": "Categories",
   "shareQrTitle": "Share QR code",
@@ -143,7 +161,13 @@
   "memberInvited": "Invited",
   "removeMember": "Remove member",
   "removeMemberConfirm": "Remove {name} from this album?",
-  "@removeMemberConfirm": { "placeholders": { "name": { "type": "String" } } },
+  "@removeMemberConfirm": {
+    "placeholders": {
+      "name": {
+        "type": "String"
+      }
+    }
+  },
   "roleOwner": "Owner",
   "roleCollaborator": "Collaborator",
   "selfMarker": " (you)",
@@ -183,7 +207,13 @@
   "queueSummaryWaiting": "waiting",
   "queueSummaryNeedAttention": "need attention",
   "queueRowUploadingPercent": "Uploading {percent}%",
-  "@queueRowUploadingPercent": { "placeholders": { "percent": { "type": "int" } } },
+  "@queueRowUploadingPercent": {
+    "placeholders": {
+      "percent": {
+        "type": "int"
+      }
+    }
+  },
   "queueRowConfirming": "Confirming upload",
   "queueRowWaitingUpload": "Waiting to upload",
   "queueRowPreparing": "Preparing photo",
@@ -202,9 +232,21 @@
   "queueEmpty": "No upload tasks",
   "queueRetryAllFailed": "Retry all failed",
   "queueAttemptCount": "{count} attempt(s)",
-  "@queueAttemptCount": { "placeholders": { "count": { "type": "int" } } },
+  "@queueAttemptCount": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "captureQueued": "{count} queued",
-  "@captureQueued": { "placeholders": { "count": { "type": "int" } } },
+  "@captureQueued": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "captureFlipCamera": "Switch camera",
   "captureFlash": "Flash",
   "uploadsHistory": "History",
@@ -255,17 +297,41 @@
   "captureCategoryDefault": "Default category",
   "captureSwitchHint": "Switching only affects photos captured afterwards",
   "capturePendingBadge": "Pending {count}",
-  "@capturePendingBadge": { "placeholders": { "count": { "type": "int" } } },
+  "@capturePendingBadge": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "captureFailedBadge": "Failed {count}",
-  "@captureFailedBadge": { "placeholders": { "count": { "type": "int" } } },
+  "@captureFailedBadge": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "capturePickFromGallery": "Pick from gallery",
   "captureShutter": "Capture",
   "captureQueuedBadge": "Queued {count}",
-  "@captureQueuedBadge": { "placeholders": { "count": { "type": "int" } } },
+  "@captureQueuedBadge": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "captureEnqueuedFeedback": "Added to queue",
   "captureExitTitle": "Leave shooting?",
   "captureExitBody": "{count} photo(s) are still uploading. Tasks will continue in the background after you leave.",
-  "@captureExitBody": { "placeholders": { "count": { "type": "int" } } },
+  "@captureExitBody": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "captureKeepShooting": "Keep shooting",
   "captureExitConfirm": "Leave",
   "cameraPermissionDenied": "Camera unavailable. Allow camera access in system settings",
@@ -274,7 +340,13 @@
   "uploadActionPick": "Pick from gallery",
   "uploadAction": "Upload",
   "uploadEnqueuedCount": "Added {count} photo(s) to the upload queue",
-  "@uploadEnqueuedCount": { "placeholders": { "count": { "type": "int" } } },
+  "@uploadEnqueuedCount": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "uploadPickNone": "No photos selected",
   "albumManagePhotos": "Manage photos",
   "albumTakeFirstPhoto": "Take the first photo",
@@ -309,16 +381,41 @@
   "readonlyMember": "You can browse photos shared by others",
   "moreActions": "More actions",
   "photosTitle": "{count} photos",
-  "@photosTitle": { "placeholders": { "count": { "type": "int" } } },
+  "@photosTitle": {
+    "placeholders": {
+      "count": {
+        "type": "int"
+      }
+    }
+  },
   "photoUploadedBy": "Uploaded by {name}",
-  "@photoUploadedBy": { "placeholders": { "name": { "type": "String" } } },
+  "@photoUploadedBy": {
+    "placeholders": {
+      "name": {
+        "type": "String"
+      }
+    }
+  },
   "photoDimensions": "{width}×{height}",
-  "@photoDimensions": { "placeholders": { "width": { "type": "int" }, "height": { "type": "int" } } },
+  "@photoDimensions": {
+    "placeholders": {
+      "width": {
+        "type": "int"
+      },
+      "height": {
+        "type": "int"
+      }
+    }
+  },
   "photoStatus": "Status",
   "photoHideAction": "Hide photo",
   "photoPublishAction": "Publish again",
   "shareScanHint": "Scan to view photos",
   "shareNotPublic": "This link is not publicly accessible yet",
   "hidePhotoTitle": "Hide this photo?",
-  "hidePhotoBody": "Viewers will no longer see this photo. Authorized album managers can publish it again."
+  "hidePhotoBody": "Viewers will no longer see this photo. Authorized album managers can publish it again.",
+  "deleteAlbum": "Delete album",
+  "deleteAlbumConfirmTitle": "Delete this album?",
+  "deleteAlbumConfirmBody": "The album becomes invisible immediately and cannot be restored. Data is retained; recovery requires operations.",
+  "albumDeleted": "Album deleted"
 }