Print Jobs API

创建打印任务

POST /v1/print-jobs

请求：

{
  "printer_id": "printer_123",
  "content_type": "pdf",
  "content": "JVBERi0xLjQK...",
  "copies": 1,
  "options": { "duplex": false }
}

{ "id": "job_abc", "status": "queued" }

GET /v1/print-jobs/{id}

示例返回：

{
  "id": "job_abc",
  "status": "printing",
  "printer_id": "printer_123"
}

queued -> dispatched -> printing -> completed

失败原因：