{
  "context": "This criteria evaluates how well the engineer uses webrtc-adapter to implement a WebRTC compatibility detector. The focus is on correctly importing and using adapter's automatic shim application, browser detection capabilities, and accessing normalized WebRTC APIs after shims have been applied.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Import adapter",
      "description": "Correctly imports webrtc-adapter (e.g., 'require' or 'import' statement for 'webrtc-adapter') to enable automatic shim application",
      "max_score": 15
    },
    {
      "name": "Use browserDetails",
      "description": "Uses adapter.browserDetails to access browser information (adapter.browserDetails.browser and adapter.browserDetails.version)",
      "max_score": 25
    },
    {
      "name": "Check RTCPeerConnection",
      "description": "Checks for RTCPeerConnection availability after shims are applied (checks window.RTCPeerConnection or global.RTCPeerConnection, not vendor-prefixed versions)",
      "max_score": 15
    },
    {
      "name": "Check getUserMedia",
      "description": "Checks for getUserMedia availability via navigator.mediaDevices.getUserMedia (the standard location after adapter normalization)",
      "max_score": 15
    },
    {
      "name": "Check RTCSessionDescription",
      "description": "Checks for RTCSessionDescription availability after shims are applied (checks window.RTCSessionDescription or global.RTCSessionDescription)",
      "max_score": 10
    },
    {
      "name": "Check RTCIceCandidate",
      "description": "Checks for RTCIceCandidate availability after shims are applied (checks window.RTCIceCandidate or global.RTCIceCandidate)",
      "max_score": 10
    },
    {
      "name": "Return correct structure",
      "description": "Returns an object with the correct structure containing browser (string), version (number), and features (object with boolean values)",
      "max_score": 10
    }
  ]
}