feat(app): 客户端展示多语言并支持筛选分页

lib/pages/auth/phone_auth_sheet.dart

@@ -181,7 +181,7 @@ class _PhoneAuthSheetState extends State<PhoneAuthSheet> {
       ).showSnackBar(SnackBar(content: Text(l10n.authCodeSent)));
       _codeFocus.requestFocus();
     } on ApiException catch (error) {
-      failureMessage = userFacingApiMessage(l10n, error.code, error.message);
+      failureMessage = error.message;
     } catch (_) {
       failureMessage = l10n.authNetworkError;
     } finally {
@@ -229,7 +229,7 @@ class _PhoneAuthSheetState extends State<PhoneAuthSheet> {
       }
       if (mounted) Navigator.of(context).pop(true);
     } on ApiException catch (error) {
-      failureMessage = userFacingApiMessage(l10n, error.code, error.message);
+      failureMessage = error.message;
     } catch (_) {
       failureMessage = l10n.authNetworkError;
     } finally {