fix: increase auth loading timeout to 2 seconds for better Firebase compatibility

src/context/AuthContext.tsx

@@ -31,12 +31,12 @@ export function AuthProvider({ children }: { children: ReactNode }) {
       }
     });
 
-    // Timeout safety: force loading to false after 1 second
+    // Timeout safety: force loading to false after 2 seconds
     const timeout = setTimeout(() => {
       if (mounted) {
         setLoading(false);
       }
-    }, 1000);
+    }, 2000);
 
     return () => {
       mounted = false;