{
  "source": "Codex event_msg/token_count cumulative total_token_usage counters",
  "method": "Subtract the counter before each selected task_started from the counter at its matching task_complete. Sum separate main/subagent deltas once. Ignore duplicate snapshots and copied ancestor task markers.",
  "invariants": [
    "Every nonduplicate counter increment equals last_token_usage in the same session.",
    "Total equals input plus output.",
    "Cached input is included within input.",
    "Reasoning output is included within output.",
    "All selected subagent turns finish inside the parent first-run interval."
  ],
  "records": [
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      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
      "totals": {
        "input_tokens": 585859,
        "cached_input_tokens": 549376,
        "cache_write_input_tokens": 0,
        "output_tokens": 4183,
        "reasoning_output_tokens": 126,
        "total_tokens": 590042,
        "uncached_input_tokens": 36483
      },
      "mainRun": {
        "input_tokens": 585859,
        "cached_input_tokens": 549376,
        "cache_write_input_tokens": 0,
        "output_tokens": 4183,
        "reasoning_output_tokens": 126,
        "total_tokens": 590042
      },
      "components": [
        {
          "label": "Main run",
          "role": "main",
          "threadId": "01a06f00-2b17-7c43-9baf-689fe45899ea",
          "turnIds": [
            "01a06f00-a897-7df3-90df-798c572eb63d"
          ],
          "usage": {
            "input_tokens": 585859,
            "cached_input_tokens": 549376,
            "cache_write_input_tokens": 0,
            "output_tokens": 4183,
            "reasoning_output_tokens": 126,
            "total_tokens": 590042
          }
        }
      ]
    },
    {
      "threadId": "01a06f05-6b0e-7d62-8fa4-2c9f1e5cee43",
      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
      "totals": {
        "input_tokens": 411509,
        "cached_input_tokens": 353792,
        "cache_write_input_tokens": 0,
        "output_tokens": 3485,
        "reasoning_output_tokens": 157,
        "total_tokens": 414994,
        "uncached_input_tokens": 57717
      },
      "mainRun": {
        "input_tokens": 411509,
        "cached_input_tokens": 353792,
        "cache_write_input_tokens": 0,
        "output_tokens": 3485,
        "reasoning_output_tokens": 157,
        "total_tokens": 414994
      },
      "components": [
        {
          "label": "Main run",
          "role": "main",
          "threadId": "01a06f05-6b0e-7d62-8fa4-2c9f1e5cee43",
          "turnIds": [
            "01a06f05-8f88-71a3-a178-597dc1524472"
          ],
          "usage": {
            "input_tokens": 411509,
            "cached_input_tokens": 353792,
            "cache_write_input_tokens": 0,
            "output_tokens": 3485,
            "reasoning_output_tokens": 157,
            "total_tokens": 414994
          }
        }
      ]
    },
    {
      "threadId": "01a06f07-8b38-7093-a405-76fb9bb6e8fe",
      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
      "totals": {
        "input_tokens": 644244,
        "cached_input_tokens": 585600,
        "cache_write_input_tokens": 0,
        "output_tokens": 9337,
        "reasoning_output_tokens": 1681,
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        "uncached_input_tokens": 58644
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        "reasoning_output_tokens": 1681,
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      },
      "components": [
        {
          "label": "Main run",
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          "turnIds": [
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          "usage": {
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            "cached_input_tokens": 585600,
            "cache_write_input_tokens": 0,
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      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
      "totals": {
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        "cached_input_tokens": 2944640,
        "cache_write_input_tokens": 0,
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            "cached_input_tokens": 2944640,
            "cache_write_input_tokens": 0,
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    },
    {
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      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
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        "cached_input_tokens": 2812416,
        "cache_write_input_tokens": 0,
        "output_tokens": 22250,
        "reasoning_output_tokens": 9369,
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        "uncached_input_tokens": 94758
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    {
      "threadId": "01a06f09-194a-77b0-850f-d7be5fe61ae5",
      "scope": "First implementation turn plus its subagent work; excludes later user follow-ups and this review.",
      "totals": {
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        "cached_input_tokens": 3757184,
        "cache_write_input_tokens": 0,
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        "reasoning_output_tokens": 5731,
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        "cached_input_tokens": 2855424,
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        "reasoning_output_tokens": 3780,
        "total_tokens": 2959409
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      "components": [
        {
          "label": "Main run",
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          "threadId": "01a06f09-194a-77b0-850f-d7be5fe61ae5",
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        },
        {
          "label": "Motion evidence subagent (two turns)",
          "role": "subagent",
          "threadId": "01a06f09-cd57-7492-a918-52fa2b8d34bb",
          "turnIds": [
            "01a06f09-cdeb-7ac0-9efb-df1c374f841d",
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            "output_tokens": 4285,
            "reasoning_output_tokens": 1285,
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          }
        },
        {
          "label": "Fingerprint texture subagent",
          "role": "subagent",
          "threadId": "01a06f0a-d964-7111-a1c2-663fae811791",
          "turnIds": [
            "01a06f0a-d9b3-7aa0-a92f-e0e2c95ce5a5"
          ],
          "usage": {
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            "cached_input_tokens": 198016,
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            "output_tokens": 3058,
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  ]
}