update restart endpoint

serve_mcphost.py

@@ -122,7 +122,7 @@ async def health_check():
     return {"status": "healthy", "mcphost_alive": mcp_manager._is_alive()}
 
 
-@app.post("/restart-service")
+@app.get("/restart")
 async def restart_service():
     """Restart the llm-api-mcphost service using supervisorctl"""
     hostname = socket.gethostname()