{
  "request": {
    "model": "claude-route",
    "max_tokens": 256,
    "system": [{"type":"text","text":"Use tools carefully."}],
    "messages": [
      {"role":"user","content":[{"type":"text","text":"Inspect this image."},{"type":"image","source":{"type":"base64","media_type":"image/png","data":"aW1hZ2U="}}]},
      {"role":"assistant","content":[{"type":"text","text":"I will inspect it."},{"type":"tool_use","id":"toolu_1","name":"inspect","input":{"detail":"high"}}]},
      {"role":"user","content":[{"type":"tool_result","tool_use_id":"toolu_1","content":"clear"}]}
    ],
    "tools": [{"name":"inspect","description":"Inspect an image","input_schema":{"type":"object","properties":{"detail":{"type":"string"}},"required":["detail"]}}],
    "tool_choice": {"type":"tool","name":"inspect"}
  },
  "provider_response": {
    "id": "chatcmpl_fixture",
    "model": "served-chat",
    "choices": [{"message":{"role":"assistant","content":"Done.","tool_calls":[{"id":"call_2","type":"function","function":{"name":"report","arguments":"{\"ok\":true}"}}]},"finish_reason":"tool_calls"}],
    "usage":{"prompt_tokens":31,"completion_tokens":7,"total_tokens":38}
  }
}