{   // Prompt for router; manditory to say return as json for route_prompt; if not, there will be bugs
    "route_prompt" : "Return a JSON object with 'step'.the value should be one of 'chat' or 'order' based on the user input",

    // Prompt for tool branch
    "tool_prompt" : "You must use tool to complete the possible task"
    
    // Optionally set chat_prompt to overwrite the system prompt from xiaozhi
}