fix: Bug - Add logout in mobile version of settings, allow clearing data on android

Expose settings logout on mobile where the title bar is hidden, and enable
Capacitor data settings with storage visibility and local erase/sign-out.

Co-authored-by: Cursor <cursoragent@cursor.com>

toju-app/src/app/infrastructure/persistence/local-user-data.service.ts

@@ -0,0 +1,54 @@
+import { Injectable, inject } from '@angular/core';
+
+import { PlatformService } from '../../core/platform';
+import { clearStoredLocalAppData } from '../../core/storage/current-user-storage';
+import { DatabaseService } from './database.service';
+import { UserLogoutService } from '../../domains/authentication/application/services/user-logout.service';
+import { AuthTokenStoreService } from '../../domains/authentication/application/services/auth-token-store.service';
+import { loadCapacitorAttachmentFilesystem } from '../../domains/attachment/infrastructure/services/capacitor-attachment-filesystem.adapter';
+
+const CAPACITOR_APP_DATA_ROOT = 'metoyou';
+
+export interface EraseLocalUserDataResult {
+  restartRequired: boolean;
+}
+
+@Injectable({ providedIn: 'root' })
+export class LocalUserDataService {
+  private readonly platform = inject(PlatformService);
+  private readonly database = inject(DatabaseService);
+  private readonly userLogout = inject(UserLogoutService);
+  private readonly authTokenStore = inject(AuthTokenStoreService);
+
+  async eraseLocalUserData(): Promise<EraseLocalUserDataResult> {
+    if (!this.platform.isCapacitor) {
+      throw new Error('Local user data erase is only supported on native mobile shells.');
+    }
+
+    await this.database.clearAllData();
+    await this.deleteCapacitorAttachmentTree();
+    this.authTokenStore.clearAllTokens();
+    clearStoredLocalAppData();
+    this.userLogout.logout();
+
+    return { restartRequired: false };
+  }
+
+  private async deleteCapacitorAttachmentTree(): Promise<void> {
+    const filesystem = await loadCapacitorAttachmentFilesystem();
+
+    if (!filesystem) {
+      return;
+    }
+
+    try {
+      await filesystem.filesystem.rmdir({
+        path: CAPACITOR_APP_DATA_ROOT,
+        directory: filesystem.directory,
+        recursive: true
+      });
+    } catch {
+      // Missing directory is fine during erase.
+    }
+  }
+}