{
  "product_id": "CPD-01",
  "version": "1.0.0-proposed",
  "status": "proposed",
  "audience": "6–18岁学生校园管理场景",
  "frozen_requirements": [
    {"id": "F01", "name": "形态", "requirement": "表体与防拆表带组成的校园物联网手环，非普通消费级智能手表"},
    {"id": "F02", "name": "蜂窝", "requirement": "中国大陆4G Cat.1/Cat.1 bis数据通信，设备内置eSIM或等效嵌入式物联网订阅能力"},
    {"id": "F03", "name": "蓝牙", "requirement": "BLE 5.0或更高，支持广播、连接和校园蓝牙网关互操作"},
    {"id": "F04", "name": "定位", "requirement": "GPS/北斗户外定位，并可与信标或AoA校园区域定位网络协同"},
    {"id": "F05", "name": "传感", "requirement": "心率、血氧、贴肤温度、计步、卡路里及佩戴检测"},
    {"id": "F06", "name": "交互", "requirement": "0.96英寸彩色TFT、128×64目标、触控按键、抬腕亮屏和长按SOS"},
    {"id": "F07", "name": "电源", "requirement": "150–180mAh Li-Po、4Pin磁吸充电、约2小时充满、冻结profile下目标3–4天"},
    {"id": "F08", "name": "结构", "requirement": "IP67、防拆表带、常规更换需工具并覆盖6–18岁腕围"},
    {"id": "F09", "name": "平台", "requirement": "经4G或蓝牙网关使用MQTT/CoAP与TLS直连甲方云，支持安全OTA"},
    {"id": "F10", "name": "合规", "requirement": "供应商配合无线、进网、电池、材料、生物相容性和儿童数据等适用合规"}
  ],
  "alternative_routes": [
    {"id": "A01", "area": "主控", "routes": ["BLE MCU + Cat.1模组", "4G/BLE高集成SoC"], "approval_basis": "功耗、软件、认证、体积、成本和交付等效"},
    {"id": "A02", "area": "GNSS", "routes": ["独立GNSS", "蜂窝平台集成GNSS"], "approval_basis": "天线、灵敏度、TTFF和场测等效"},
    {"id": "A03", "area": "传感", "routes": ["国产方案", "进口方案"], "approval_basis": "算法、精度、供货、功耗和成本等效"},
    {"id": "A04", "area": "射频", "routes": ["PCB", "FPC", "LDS", "陶瓷"], "approval_basis": "TRP/TIS、定位、隔离度和结构验证"},
    {"id": "A05", "area": "防拆", "routes": ["机械锁定", "电子检测", "机械与电子组合"], "approval_basis": "事件定义、误报、破坏与恢复测试"}
  ],
  "pending_decisions": [
    {"id": "T01", "name": "频段", "decision": "运营商、频段、数据/语音边界及SOS链路"},
    {"id": "T02", "name": "eSIM", "decision": "eUICC/MFF2/iSIM路线、订阅主体、平台、APN、资费与数据权属"},
    {"id": "T03", "name": "AoA", "decision": "信标/AoA/UWB边界、基站布局、精度统计与建设责任"},
    {"id": "T04", "name": "GNSS", "decision": "独立或集成路线、天线空间、TTFF、灵敏度与场测规范"},
    {"id": "T05", "name": "健康", "decision": "心率/血氧/温度精度、试验人群、算法和声明边界"},
    {"id": "T06", "name": "续航", "decision": "上报、定位、扫描、屏幕、温度和网络条件组成的功耗profile"},
    {"id": "T07", "name": "防拆", "decision": "机械防拆与电子检测范围、事件、时延、误报和恢复"},
    {"id": "T08", "name": "可靠性", "decision": "IP、汗液、跌落、温湿度、触点和老化后的DVP"},
    {"id": "T09", "name": "云端", "decision": "ICD、数据字典、设备身份、密钥、离线缓存、OTA签名和回滚"},
    {"id": "T10", "name": "认证", "decision": "逐项适用性、责任主体、样品、费用、周期和失败责任"},
    {"id": "T11", "name": "寿命", "decision": "产品寿命、保修、备件、表带与电池维修策略"},
    {"id": "T12", "name": "结构", "decision": "表体尺寸、厚度、重量和腕围分位"}
  ],
  "exclusions": [
    "NFC支付或门禁",
    "扬声器、麦克风和语音通话",
    "第三方应用安装",
    "无线充电",
    "摄像头",
    "供应商私有App或私有云作为数据必经路径",
    "未经书面批准的ECG、血压、医疗诊断或UWB功能"
  ],
  "cost_volumes": {
    "engineering_samples": "按实际样片数量记录公开价",
    "first_order_devices": 5000,
    "annual_devices": 50000,
    "supplier_aggregate_components": "采用可核验的更大公开阶梯或供应商书面采购证据"
  },
  "delivery_definition": {
    "supplier_schedule": "由供应商提交各阶段与总周期",
    "starmax_internal_scenario": "设计启动至PVT或首批小批约12周，待核验",
    "certification": "与样机和试产并行管理，不默认包含在12周小批交付中",
    "separate_milestones": ["EVT", "DVT", "PVT", "认证完成", "量产放行", "首批正式出货"]
  }
}