[
  {
    "_mock": true,
    "_mockReason": "#162 rec 22-bis: one full turn showing the pi rhythm — reasoning → text → tool-row → tool-result → reasoning → text — all as sealed acts (replay path, no deltas). Used for shot 24 (turn container). Seqs increment monotonically inside the turn."
  },
  {
    "type": "user/message",
    "time": 1721400000050,
    "seq": 501,
    "data": {
      "content": [
        { "type": "text", "text": "Add a comment header to src/lib/main.ts explaining its role, then verify the file still parses." }
      ]
    }
  },
  {
    "type": "step/start",
    "time": 1721400000100,
    "seq": 502,
    "data": { "turn": 5, "step": 0 }
  },
  {
    "type": "request/header",
    "time": 1721400000150,
    "seq": 503,
    "data": {
      "header": {
        "model": "deepseek-chat",
        "system": "You are DeepSeek Harness — a research coding agent.",
        "tools": [
          { "name": "read", "description": "Read a file." },
          { "name": "edit", "description": "Edit a file by string replacement." },
          { "name": "bash", "description": "Run a shell command." }
        ],
        "config": { "temperature": 0.3, "maxTokens": 4096 }
      },
      "reason": "step-start"
    }
  },
  {
    "type": "assistant/message",
    "time": 1721400000400,
    "seq": 504,
    "data": {
      "content": [
        { "type": "reasoning", "text": "I should first inspect the current top of the file so my header sits in the right position, then edit, then check parsing with a syntax-only run." },
        { "type": "text", "text": "I'll read the file, add the header, and verify it parses." }
      ],
      "usage": { "inputTokens": 620, "outputTokens": 84, "reasoningTokens": 41 }
    }
  },
  {
    "type": "tool/call",
    "time": 1721400000450,
    "seq": 505,
    "data": {
      "callId": "call_read_5",
      "name": "read",
      "arguments": "{\"path\":\"src/lib/main.ts\"}"
    }
  },
  {
    "type": "tool/result",
    "time": 1721400000520,
    "seq": 506,
    "data": {
      "callId": "call_read_5",
      "content": [
        { "type": "text", "text": "import { App } from './app'\nnew App().run()\n" }
      ],
      "isError": false,
      "meta": { "card": "generic", "durationMs": 62 }
    }
  },
  {
    "type": "tool/call",
    "time": 1721400000560,
    "seq": 507,
    "data": {
      "callId": "call_edit_5",
      "name": "edit",
      "arguments": "{\"path\":\"src/lib/main.ts\",\"old\":\"import { App } from './app'\",\"new\":\"// main.ts — entry point: boots the App composition root.\\nimport { App } from './app'\"}"
    }
  },
  {
    "type": "tool/result",
    "time": 1721400000610,
    "seq": 508,
    "data": {
      "callId": "call_edit_5",
      "content": [ { "type": "text", "text": "edit applied (1 replacement)" } ],
      "isError": false,
      "meta": { "card": "diff", "durationMs": 44 }
    }
  },
  {
    "type": "assistant/message",
    "time": 1721400000720,
    "seq": 509,
    "data": {
      "content": [
        { "type": "reasoning", "text": "Now I need a cheap parse check that does not execute the boot chain — node --check on the file is enough." },
        { "type": "text", "text": "Header added. Verifying parse now." }
      ],
      "usage": { "inputTokens": 700, "outputTokens": 60, "reasoningTokens": 28 }
    }
  },
  {
    "type": "tool/call",
    "time": 1721400000740,
    "seq": 510,
    "data": {
      "callId": "call_bash_5",
      "name": "bash",
      "arguments": "{\"cmd\":\"node --check src/lib/main.ts\"}"
    }
  },
  {
    "type": "tool/result",
    "time": 1721400000880,
    "seq": 511,
    "data": {
      "callId": "call_bash_5",
      "content": [ { "type": "text", "text": "(no output; exit 0)" } ],
      "isError": false,
      "meta": { "card": "terminal", "durationMs": 138 }
    }
  },
  {
    "type": "assistant/message",
    "time": 1721400000940,
    "seq": 512,
    "data": {
      "content": [
        { "type": "text", "text": "Done. Header added, file still parses cleanly." }
      ],
      "usage": {
        "inputTokens": 780,
        "outputTokens": 34,
        "cacheReadTokens": 512,
        "reasoningTokens": 12
      }
    }
  },
  {
    "type": "step/end",
    "time": 1721400001000,
    "seq": 513,
    "data": { "turn": 5, "step": 0 }
  },
  {
    "type": "turn/end",
    "time": 1721400001050,
    "seq": 514,
    "data": {
      "turn": 5,
      "reason": { "kind": "stop" },
      "usage": { "inputTokens": 780, "outputTokens": 178, "cacheReadTokens": 512, "reasoningTokens": 81 }
    }
  }
]