Fix: Correct avatar display in header

src/hooks/useAuth.tsx

@@ -73,6 +73,12 @@ function AuthProviderComponent({ children }: { children: React.ReactNode }) {
 
       // Success - update state and complete
       if (isMountedRef.current) {
+        authLog('[Auth] Profile loaded:', {
+          userId: data?.user_id,
+          username: data?.username,
+          avatar_url: data?.avatar_url,
+          avatar_image_id: data?.avatar_image_id
+        });
         setProfile(data as Profile);
         profileRetryCountRef.current = 0;
         onComplete?.();