理解 MCP 客户端

{
  method: "elicitation/create",
  params: {
    message: "请确认您的巴塞罗那度假预订详情：",
    requestedSchema: {
      type: "object",
      properties: {
        confirmBooking: {
          type: "boolean",
          description: "确认预订（机票 + 酒店 = 3000 美元）"
        },
        seatPreference: {
          type: "string",
          enum: ["window", "aisle", "no preference"],
          description: "航班首选座位类型"
        },
        roomType: {
          type: "string",
          enum: ["sea view", "city view", "garden view"],
          description: "酒店首选房型"
        },
        travelInsurance: {
          type: "boolean",
          default: false,
          description: "添加旅行保险（150 美元）"
        }
      },
      required: ["confirmBooking"]
    }
  }
}

{
  "uri": "file:///Users/agent/travel-planning",
  "name": "旅行规划工作区"
}

{
  messages: [
    {
      role: "user",
      content: "分析这些航班选项并推荐最佳选择：\n" +
               "[47 个航班，包含价格、时间、航空公司和中转信息]\n" +
               "用户偏好：上午出发，最多 1 次中转"
    }
  ],
  modelPreferences: {
    hints: [{
      name: "claude-sonnet-4-20250514"  // 建议的模型
    }],
    costPriority: 0.3,      // 对 API 成本不太在意
    speedPriority: 0.2,     // 可以等待更全面的分析
    intelligencePriority: 0.9  // 需要复杂的权衡评估
  },
  systemPrompt: "你是一名旅行专家，帮助用户根据偏好找到最佳航班",
  maxTokens: 1500
}