{
  "name": "get_feishu_image_resource",
  "description": "Downloads an image resource from Feishu by its media ID and returns binary image data. To get the mediaId, extract block.image.token from an image block (block_type=27) returned by get_feishu_document_blocks.",
  "arguments": {
    "type": "object",
    "properties": {
      "mediaId": {
        "type": "string",
        "description": "Image media token (required). Obtain from one of:\n1. An image block returned by get_feishu_document_blocks: block.image.token (block_type=27)\n2. Response of upload_and_bind_image_to_block: fileToken field"
      },
      "extra": {
        "type": "string",
        "description": "Extra query parameter for the Feishu media download API (optional). Required only for encrypted images; omit for standard image blocks."
      }
    },
    "required": [
      "mediaId"
    ],
    "additionalProperties": false,
    "$schema": "http://json-schema.org/draft-07/schema#"
  }
}