{
  "version": 1,
  "generate_request": {
    "ai_role": "client",
    "messages": [
      {
        "role": "system",
        "content": "Keep replies concise.",
        "cache": true
      },
      {
        "role": "user",
        "content": "hello",
        "cache": false
      }
    ],
    "model": "gateway-default",
    "max_tokens": 256,
    "temperature": 0.4,
    "structured_schema": {
      "type": "object",
      "properties": {
        "reply": {
          "type": "string"
        }
      },
      "required": [
        "reply"
      ],
      "additionalProperties": false
    },
    "session_id": "contract-session-1",
    "metadata": {
      "trace_id": "trace-001",
      "route": "golden"
    }
  },
  "generate_response": {
    "text": "{\"reply\":\"hello\"}",
    "model": "claude-opus-4-8",
    "provider": "claude_cli",
    "tokens_in": 11,
    "tokens_out": 7,
    "cost_usd": 0.0123,
    "inference_geo": "us",
    "structured": {
      "reply": "hello"
    }
  },
  "stream_frames": [
    "event: token\ndata: {\"text\":\"hel\"}\n\n",
    "event: token\ndata: {\"text\":\"lo\"}\n\n",
    "event: done\ndata: {\"provider\":\"claude_cli\",\"model\":\"claude-opus-4-8\",\"tokens_in\":11,\"tokens_out\":7,\"cost_usd\":0.0123,\"turns\":2}\n\n",
    "event: error\ndata: {\"detail\":\"engine failed\"}\n\n"
  ],
  "stream_packets": [
    {
      "event": "token",
      "payload": {
        "text": "hel"
      }
    },
    {
      "event": "token",
      "payload": {
        "text": "lo"
      }
    },
    {
      "event": "done",
      "payload": {
        "provider": "claude_cli",
        "model": "claude-opus-4-8",
        "tokens_in": 11,
        "tokens_out": 7,
        "cost_usd": 0.0123,
        "turns": 2
      }
    },
    {
      "event": "error",
      "payload": {
        "detail": "engine failed"
      }
    }
  ],
  "compatibility_lines": [
    "data: [DONE]"
  ]
}