Minor updates

tests/test_gateway_llm.py

@@ -85,15 +85,27 @@ class GatewayLLMTests(unittest.IsolatedAsyncioTestCase):
     async def test_llm_endpoint_requires_api_key(self):
         module = load_gateway_module(llm_enabled=True)
 
-        response = await self._request(
-            module,
-            "POST",
-            "/ai/chat",
-            json_payload={"messages": [{"role": "user", "content": "hello"}]},
-        )
+        with self.assertLogs("gateway", level="INFO") as captured:
+            response = await self._request(
+                module,
+                "POST",
+                "/ai/chat",
+                json_payload={"messages": [{"role": "user", "content": "hello"}]},
+            )
 
         self.assertEqual(response.status_code, 401)
         self.assertEqual(response.json()["error"]["code"], "unauthorized")
+        joined_logs = "\n".join(captured.output)
+        self.assertIn("incoming_request service=gateway", joined_logs)
+        self.assertIn("completed_request service=gateway", joined_logs)
+        self.assertIn("caller=127.0.0.1", joined_logs)
+        self.assertIn("method=POST", joined_logs)
+        self.assertIn("path=/ai/chat", joined_logs)
+        self.assertIn("status_code=401", joined_logs)
+        self.assertIn("response_time_ms=", joined_logs)
+        self.assertIn("cpu_time_ms=", joined_logs)
+        self.assertIn("cpu_percent=", joined_logs)
+        self.assertIn("rss_mb=", joined_logs)
 
     async def test_llm_disabled_returns_503(self):
         module = load_gateway_module(llm_enabled=False)