feat: person excludes for auto-organize rules, backup & restore system

Add person exclude criteria to Immich auto-organize — assets containing
excluded persons are filtered out after candidate gathering. Also adds
full backup/restore system with export, import, scheduled backups, and
retention management.

frontend/src/lib/i18n/en.json

@@ -16,6 +16,7 @@
 		"cmdTemplateConfigs": "Cmd Templates",
 		"users": "Users",
 		"settings": "Settings",
+		"backup": "Backup",
 		"logout": "Logout",
 		"notification": "Notification",
 		"commands": "Commands",
@@ -1025,6 +1026,8 @@
 		"criteria": "Criteria",
 		"persons": "Persons",
 		"addPerson": "Add person...",
+		"excludePersons": "Exclude persons",
+		"addExcludePerson": "Add person to exclude...",
 		"searchQuery": "Smart Search Query",
 		"searchQueryPlaceholder": "e.g. sunset, beach, birthday...",
 		"assetType": "Asset type",
@@ -1053,5 +1056,67 @@
 		"triggerManual": "manual",
 		"triggerDryRun": "dry-run",
 		"triggerScheduled": "scheduled"
+	},
+	"backup": {
+		"title": "Backup & Restore",
+		"description": "Export and import your configuration, or set up automatic backups",
+		"export": "Export Configuration",
+		"exportDescription": "Download your configuration as a JSON file. Select which categories to include.",
+		"import": "Import Configuration",
+		"importDescription": "Upload a previously exported backup file to restore configuration.",
+		"categories": "Categories",
+		"selectAll": "Select all",
+		"deselectAll": "Deselect all",
+		"catProviders": "Providers",
+		"catTelegramBots": "Telegram Bots",
+		"catMatrixBots": "Matrix Bots",
+		"catEmailBots": "Email Bots",
+		"catTargets": "Targets",
+		"catTrackingConfigs": "Tracking Configs",
+		"catTemplateConfigs": "Template Configs",
+		"catCommandConfigs": "Command Configs",
+		"catCommandTemplateConfigs": "Cmd Template Configs",
+		"catNotificationTrackers": "Notif. Trackers",
+		"catCommandTrackers": "Cmd Trackers",
+		"catActions": "Actions",
+		"catAppSettings": "App Settings",
+		"secretsMode": "Secrets",
+		"secretsExclude": "Exclude secrets (safe)",
+		"secretsMasked": "Mask secrets (for review)",
+		"secretsInclude": "Include secrets (plaintext)",
+		"secretsWarningExport": "Warning: The export file will contain sensitive data (API keys, tokens, passwords) in plaintext.",
+		"exportBtn": "Export",
+		"exportSuccess": "Configuration exported",
+		"validateBtn": "Validate",
+		"validating": "Validating...",
+		"validationPassed": "Validation passed",
+		"validationFailed": "Validation failed",
+		"entities": "Entities",
+		"conflictMode": "Conflict resolution",
+		"conflictSkip": "Skip existing (keep current)",
+		"conflictRename": "Rename duplicates (add suffix)",
+		"conflictOverwrite": "Overwrite existing (replace)",
+		"importBtn": "Import",
+		"importing": "Importing...",
+		"importSuccess": "Configuration imported",
+		"importResults": "Import Results",
+		"resultCreated": "Created",
+		"resultSkipped": "Skipped",
+		"resultOverwritten": "Overwritten",
+		"resultErrors": "Errors",
+		"confirmExportTitle": "Export with secrets?",
+		"confirmExportMessage": "The exported file will contain all secrets (API keys, bot tokens, passwords) in plaintext. Only use this for secure transfers or trusted storage.",
+		"confirmImportTitle": "Import configuration?",
+		"confirmImportMessage": "This will create new entities in your database. Make sure you have validated the backup file first.",
+		"scheduled": "Scheduled Backups",
+		"enableScheduled": "Enable automatic backups",
+		"interval": "Interval",
+		"hours": "hours",
+		"retention": "Keep last",
+		"scheduleSaved": "Backup schedule saved",
+		"savedFiles": "Saved Backups",
+		"noFiles": "No backup files yet.",
+		"download": "Download",
+		"fileDeleted": "Backup file deleted"
 	}
 }