fix: update health check test assertions for correct response keys

tests/test_commend.py

@@ -10,8 +10,9 @@ def test_commend_health(client: TestClient) -> None:
     response = client.get("/api/commend/health")
     assert response.status_code == 200
     data = response.json()
-    assert "gemini" in data
-    assert "youtube" in data
+    assert "status" in data
+    assert "geminiConfigured" in data
+    assert "youtubeConfigured" in data
 
 
 def test_commend_generate_rejects_invalid_url(client: TestClient) -> None: