QR login

src/app/services/auth.service.ts

@@ -60,6 +60,22 @@ export class AuthService {
     });
   }
 
+  /** Check session without updating internal state (for polling) */
+  checkSessionOnce(): Observable<AuthSession | null> {
+    return this.http.get<AuthSession>(`${this.apiUrl}/auth/session`, {
+      withCredentials: true
+    }).pipe(
+      tap(session => {
+        if (session && session.active) {
+          this.sessionSignal.set(session);
+          this.statusSignal.set('authenticated');
+          this.scheduleSessionRefresh(session.expiresAt);
+        }
+      }),
+      catchError(() => of(null))
+    );
+  }
+
   /**
    * Called after user completes Telegram login.
    * The callback URL from Telegram will hit our backend which sets the cookie.