{
  "service": "YunExpress Logistics Monitor v7.7",
  "status": "running",
  "note": "v7.7: Tritium spec stats in sales commands + USPS exception detection",
  "features": [
    "Manual tracking number addition",
    "YunExpress API tracking queries",
    ">3 day stale -> WeChat alert",
    "USPS delivery exception detection for US orders",
    "Auto-remove delivered packages",
    "Hourly cron execution",
    "WeChat Work command interface",
    "Shopify order/sales stats with profit",
    "CORS support",
    "Product cost management /product-costs"
  ],
  "endpoints": {
    "POST /add  {numbers:[]}": "Add tracking numbers",
    "GET  /list": "View monitor list",
    "POST /remove  {number:\"\"}": "Remove tracking number",
    "POST /run": "Trigger monitor manually",
    "GET  /test-token": "Verify YunExpress credentials",
    "GET  /status?number=YT123": "View cached tracking state",
    "GET  /status-all": "Batch get all states",
    "GET  /raw-track?number=10289": "YunExpress raw data query",
    "POST /clear-all": "Clear entire monitor list",
    "GET  /config": "Get configuration",
    "POST /config  {stale_days:3.5}": "Set stale threshold",
    "GET  /product-costs": "Get product costs",
    "POST /product-costs": "Set product costs",
    "GET  /usps-exceptions": "View active USPS exceptions"
  }
}