{
  "schema_version": "ATIF-v1.2",
  "session_id": "4a85e6a6-afcd-42b4-aea8-f76b8c017ad8",
  "agent": {
    "name": "claude-code",
    "version": "2.1.119",
    "model_name": "deepseek/deepseek-v4-pro-20260423",
    "extra": {
      "cwds": [
        "/app"
      ],
      "git_branches": [
        "HEAD"
      ]
    }
  },
  "steps": [
    {
      "step_id": 1,
      "timestamp": "2026-06-26T16:19:40.469Z",
      "source": "user",
      "message": "Read the image file `/app/image.png` to answer the question.\n\nThis image was taken in 2022. What city was this image taken in?\n\nWrite your answer to `/logs/artifacts/response.txt` in exactly this format:\n\n```\nExplanation: <your reasoning>\nAnswer: <your final answer>\nConfidence: <your confidence as a percentage, e.g. 85%>\n```\n\nYou have up to 30 minutes (1800 seconds) to complete this task. Do not cheat by using online solutions or hints specific to this task.\n",
      "extra": {
        "is_sidechain": false
      }
    },
    {
      "step_id": 2,
      "timestamp": "2026-06-26T16:19:46.108Z",
      "source": "agent",
      "model_name": "deepseek/deepseek-v4-pro-20260423",
      "message": "",
      "reasoning_content": "The user wants me to read an image file and determine what city it was taken in (in 2022), then write my answer to a specific file. Let me start by reading the image.\n\nThe user wants me to read an image file and determine what city it was taken in (in 2022), then write my answer to a specific file. Let me start by reading the image.",
      "tool_calls": [
        {
          "tool_call_id": "call_1f9ca143c8b24aceb5fd2599",
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          "arguments": {
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            "tool_use_name": "Read"
          }
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      "observation": {
        "results": [
          {
            "source_call_id": "call_1f9ca143c8b24aceb5fd2599",
            "content": "{\"type\": \"image\", \"source\": {\"type\": \"base64\", \"data\": \"[encoded data, 117800 characters]\", \"media_type\": \"image/png\"}}\n\n[metadata] {\"type\": \"image\", \"file\": {\"base64\": \"[encoded data, 117800 characters]\", \"type\": \"image/png\", \"originalSize\": 821867}}",
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                    "type": "image/png",
                    "originalSize": 821867
                  }
                },
                "raw_tool_result": {
                  "tool_use_id": "call_1f9ca143c8b24aceb5fd2599",
                  "type": "tool_result",
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                    {
                      "type": "image",
                      "source": {
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                        "media_type": "image/png"
                      }
                    }
                  ]
                }
              }
            }
          }
        ]
      },
      "metrics": {
        "prompt_tokens": 23915,
        "completion_tokens": 88,
        "cached_tokens": 0,
        "extra": {
          "cache_creation_input_tokens": 0,
          "cache_read_input_tokens": 0,
          "server_tool_use": {
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            "web_fetch_requests": 0
          },
          "service_tier": "standard",
          "cache_creation": {
            "ephemeral_1h_input_tokens": 0,
            "ephemeral_5m_input_tokens": 0
          },
          "inference_geo": "",
          "iterations": [],
          "speed": "standard"
        }
      },
      "extra": {
        "stop_reason": "tool_use",
        "cwd": "/app",
        "is_sidechain": false
      }
    },
    {
      "step_id": 3,
      "timestamp": "2026-06-26T16:19:46.540Z",
      "source": "agent",
      "model_name": "<synthetic>",
      "message": "There's an issue with the selected model (deepseek/deepseek-v4-pro). It may not exist or you may not have access to it. Run --model to pick a different model.",
      "metrics": {
        "prompt_tokens": 0,
        "completion_tokens": 0,
        "cached_tokens": 0,
        "extra": {
          "cache_creation_input_tokens": 0,
          "cache_read_input_tokens": 0,
          "server_tool_use": {
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          "inference_geo": null,
          "iterations": null,
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        }
      },
      "extra": {
        "stop_reason": "stop_sequence",
        "stop_sequence": "",
        "cwd": "/app",
        "is_sidechain": false
      }
    }
  ],
  "final_metrics": {
    "total_prompt_tokens": 23915,
    "total_completion_tokens": 88,
    "total_cached_tokens": 0,
    "total_steps": 3,
    "extra": {
      "service_tiers": [
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      "total_cache_creation_input_tokens": 0,
      "total_cache_read_input_tokens": 0
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}