Update app.py

app.py

@@ -137,7 +137,10 @@ async def mock_endpoint(payload: MockRequest):
             end_time = time.monotonic()
             duration = end_time - start_time
             print(f"Requête complétée en {duration:.2f} secondes.")
-            return {"response_from_client": websocket_response}
+            return {
+                "response_from_client": websocket_response,
+                "completion_time_in_seconds": round(duration, 2)
+            }