feat: 添加账号删除功能

apps/lib/l10n/app_en.arb

@@ -82,6 +82,7 @@
   "settingsSectionAccount": "Account",
   "settingsSectionPrivacy": "Privacy",
   "settingsSectionNotification": "Notification Settings",
+  "settingsAccountAndDataTitle": "Account Data",
   "settingsInterfaceLanguage": "Interface Language",
   "settingsAiLanguage": "AI Response Language",
   "settingsNotificationAllow": "Allow Notifications",
@@ -141,6 +142,25 @@
   "settingsLogoutSubtitle": "Sign out from the current account",
   "settingsLogoutDialogTitle": "Confirm logout?",
   "settingsLogoutDialogBody": "You will need to sign in again to continue with this account.",
+  "settingsDeleteAccountTitle": "Delete Account",
+  "settingsDeleteAccountSubtitle": "Permanently delete your account and personal data",
+  "settingsDeleteAccountWarningTitle": "Please confirm before deleting",
+  "settingsDeleteAccountWarningBody": "After deletion, related data including profile, history, and points will be permanently removed and cannot be restored.",
+  "settingsDeleteAccountScopeProfile": "Profile and account information will be deleted",
+  "settingsDeleteAccountScopeHistory": "Divination history records will be deleted",
+  "settingsDeleteAccountScopePoints": "Points account and ledger records will be deleted",
+  "settingsDeleteAccountDialogTitle": "Permanently delete this account?",
+  "settingsDeleteAccountDialogBody": "This action cannot be undone. Deletion will start immediately after confirmation.",
+  "settingsDeleteAccountAction": "Delete Account",
+  "settingsDeleteAccountProcessing": "Deleting...",
+  "settingsDeleteAccountWaitAction": "Wait {seconds}s before confirming deletion",
+  "@settingsDeleteAccountWaitAction": {
+    "placeholders": {
+      "seconds": {
+        "type": "int"
+      }
+    }
+  },
   "settingsCancel": "Cancel",
   "settingsLogoutConfirmHint": "Tap again to confirm logout",
   "settingsLogoutConfirmAction": "Tap again to logout",
@@ -202,6 +222,7 @@
   "errorServiceUnavailable": "Service unavailable, please try again later",
   "errorServerGeneric": "Server error, please try again later",
   "errorRequestGeneric": "Request failed, please try again",
+  "errorProfileDeleteFailed": "Failed to delete account, please try again",
   "errorRunLimitExceeded": "Run limit reached in this session. Please start a new divination.",
   "errorDivinationPayloadRequired": "Missing divination payload. Please cast again.",
   "divinationScreenTitle": "Cast Hexagram",