feat(server): suppress uvicorn startup messages in metrics server

Author: MickaelCa

src/server/metrics_server.py

@@ -54,4 +54,15 @@ def start_metrics_server(host: str = "127.0.0.1", port: int = 9090) -> None:
 
     """
     logger.info("Starting metrics server on %s:%s", host, port)
-    uvicorn.run(metrics_app, host=host, port=port)
+
+    # Configure uvicorn to suppress startup messages to avoid duplicates
+    # since the main server already shows similar messages
+    uvicorn.run(
+        metrics_app,
+        host=host,
+        port=port,
+        log_config=None,  # Disable uvicorn's default logging config
+        access_log=False,  # Disable access logging for metrics server
+        # Suppress uvicorn's startup messages by setting log level higher
+        log_level="warning",
+    )