{
  "version": 2,
  "comment": "UVC 替代物理镜头：replace_role=back|front|off。修改后执行 uvc-replace-role 或重启 cameraserver。",
  "uvc": {
    "enabled": true,
    "replace_role": "back",
    "allowed_roles": ["back", "front", "off"],
    "external_camera_id_prefix": "device@3.6/external/",
    "fallback_on_uvc_missing": {
      "back": "physical_back",
      "front": "physical_front"
    }
  },
  "global_rules": {
    "back": {
      "lens_facing_override": "back",
      "hide_physical_back_when_uvc_present": false,
      "prefer_uvc_for_lens_facing_back": true
    },
    "front": {
      "lens_facing_override": "front",
      "hide_physical_front_when_uvc_present": false,
      "prefer_uvc_for_lens_facing_front": true
    },
    "off": {
      "use_physical_only": true
    }
  },
  "package_rules": []
}