Feat backups (#686)

* Scaffold backups

* Add FFlags

* fixup! Add FFlags

* fixup! fixup! Add FFlags

* fixup! fixup! fixup! Add FFlags

public/locales/en/translation.json

@@ -20,6 +20,7 @@
     "uploading": "Uploading...",
     "settings": "Settings",
     "none": "None",
+    "refresh": "Refresh",
     "discardChanges": "Discard changes?",
     "discardChangesMessage": "You have unsaved changes. Are you sure you want to discard them?",
     "no": "No, keep editing",
@@ -61,6 +62,7 @@
     "profile": "Profile",
     "profileSettings": "Profile Settings",
     "settings": "Settings",
+    "backupRestore": "Backup & Restore",
     "about": "About",
     "logout": "Logout"
   },
@@ -1199,5 +1201,52 @@
       "area": "area",
       "note": "note"
     }
+  },
+  "backup": {
+    "title": "Backup & Restore",
+    "description": "Create backups or restore from previous backups. Your last 5 backups are automatically saved.",
+    "createBackup": "Create Backup",
+    "importFromFile": "Import from File",
+    "createNewBackup": "Create New Backup",
+    "createDescription": "Create a new backup of all your data. Backups are saved on the server and you can restore them later.",
+    "createBackupNow": "Create Backup Now",
+    "creating": "Creating backup...",
+    "exportSuccess": "Backup created successfully!",
+    "exportError": "Failed to create backup",
+    "savedBackups": "Saved Backups",
+    "noBackups": "No backups found. Create your first backup above.",
+    "createdAt": "Created",
+    "version": "Version",
+    "currentVersion": "Current version",
+    "size": "Size",
+    "contents": "Contents",
+    "actions": "Actions",
+    "restore": "Restore",
+    "download": "Download",
+    "downloadSuccess": "Backup downloaded successfully!",
+    "downloadError": "Failed to download backup",
+    "confirmRestore": "Restore Backup",
+    "confirmRestoreMessage": "Are you sure you want to restore this backup? This will merge the backed up data with your current data.",
+    "restoreSuccess": "Backup restored successfully! Created: {{tasks}} tasks, {{projects}} projects, {{notes}} notes",
+    "restoreError": "Failed to restore backup",
+    "confirmDelete": "Delete Backup",
+    "confirmDeleteMessage": "Are you sure you want to delete this backup? This action cannot be undone.",
+    "deleteSuccess": "Backup deleted successfully!",
+    "deleteError": "Failed to delete backup",
+    "importTitle": "Import from File",
+    "importDescription": "Upload a backup file to restore your data. Your existing data will be preserved, and new items from the backup will be added.",
+    "importNote": "Important:",
+    "importNoteDescription": "Import will merge data with your existing items. Duplicate items (same UID) will be skipped.",
+    "selectFile": "Select Backup File",
+    "clickToUpload": "Click to browse files",
+    "restoreBackup": "Restore Backup",
+    "importing": "Importing...",
+    "importSuccess": "Backup imported successfully! Created: {{tasks}} tasks, {{projects}} projects, {{notes}} notes",
+    "importError": "Failed to import backup",
+    "backupContents": "Backup contents:",
+    "validationError": "The selected file is not a valid backup",
+    "validationErrors": "Validation errors:",
+    "versionIncompatible": "Version Incompatible",
+    "backupVersion": "Backup version"
   }
 }