[
  {
    "_mock": true,
    "_mockReason": "#162 rec 21 (reasoning first-class fold block): one turn with TWO reasoning blocks at different positions in the content stream — one before a tool call, one after the tool result. Reasoning is streamed via reasoning-delta chunks; the first block also has a text block ahead of it so the ordering of block indices exercises non-monotone content-block reveal."
  },
  {
    "type": "user/message",
    "time": 1721401000050,
    "seq": 601,
    "data": {
      "content": [
        { "type": "text", "text": "Check whether packages/core/session/src/types.ts imports from dsh-brand, and if not, add the import." }
      ]
    }
  },
  {
    "type": "step/start",
    "time": 1721401000100,
    "seq": 602,
    "data": { "turn": 6, "step": 0 }
  },
  {
    "type": "request/header",
    "time": 1721401000150,
    "seq": 603,
    "data": {
      "header": {
        "model": "deepseek-chat",
        "system": "You are a research coding agent.",
        "tools": [
          { "name": "read", "description": "Read a file." },
          { "name": "edit", "description": "Edit a file by string replacement." }
        ],
        "config": { "temperature": 0.2, "maxTokens": 4096 }
      },
      "reason": "step-start"
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000200,
    "seq": 604,
    "data": {
      "chunk": {
        "type": "reasoning-delta",
        "text": "The user wants me to inspect the imports at the top of the file, so"
      }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000210,
    "seq": 605,
    "data": {
      "chunk": {
        "type": "reasoning-delta",
        "text": " a read call is the cheapest first move. If the import is already present"
      }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000220,
    "seq": 606,
    "data": {
      "chunk": {
        "type": "reasoning-delta",
        "text": " I can stop after one tool call, otherwise I edit."
      }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000240,
    "seq": 607,
    "data": {
      "chunk": { "type": "text-delta", "text": "Reading the file first to check the current imports." }
    }
  },
  {
    "type": "tool/call",
    "time": 1721401000280,
    "seq": 608,
    "data": {
      "callId": "call_read_6",
      "name": "read",
      "arguments": "{\"path\":\"packages/core/session/src/types.ts\"}"
    }
  },
  {
    "type": "tool/result",
    "time": 1721401000360,
    "seq": 609,
    "data": {
      "callId": "call_read_6",
      "content": [
        { "type": "text", "text": "import type { SessionEvent } from './events'\nimport type { Branded } from '@deepseek-ai/dsh-brand'\n\nexport type SessionId = Branded<'SessionId', string>\n" }
      ],
      "isError": false,
      "meta": { "card": "generic", "durationMs": 74 }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000420,
    "seq": 610,
    "data": {
      "chunk": {
        "type": "reasoning-delta",
        "text": "Good — the Branded import is already there on line 2, so the file is already"
      }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000430,
    "seq": 611,
    "data": {
      "chunk": {
        "type": "reasoning-delta",
        "text": " correct. I don't need to edit; I should just report what I found."
      }
    }
  },
  {
    "type": "assistant/chunk",
    "time": 1721401000450,
    "seq": 612,
    "data": {
      "chunk": { "type": "text-delta", "text": "The import is already present at line 2 — no edit needed." }
    }
  },
  {
    "type": "assistant/message",
    "time": 1721401000500,
    "seq": 613,
    "data": {
      "content": [
        { "type": "text", "text": "Reading the file first to check the current imports." },
        { "type": "reasoning", "text": "The user wants me to inspect the imports at the top of the file, so a read call is the cheapest first move. If the import is already present I can stop after one tool call, otherwise I edit." },
        { "type": "text", "text": "The import is already present at line 2 — no edit needed." },
        { "type": "reasoning", "text": "Good — the Branded import is already there on line 2, so the file is already correct. I don't need to edit; I should just report what I found." }
      ],
      "usage": {
        "inputTokens": 520,
        "outputTokens": 118,
        "cacheReadTokens": 320,
        "reasoningTokens": 62
      }
    }
  },
  {
    "type": "step/end",
    "time": 1721401000550,
    "seq": 614,
    "data": { "turn": 6, "step": 0 }
  },
  {
    "type": "turn/end",
    "time": 1721401000600,
    "seq": 615,
    "data": {
      "turn": 6,
      "reason": { "kind": "stop" },
      "usage": {
        "inputTokens": 520,
        "outputTokens": 118,
        "cacheReadTokens": 320,
        "reasoningTokens": 62
      }
    }
  }
]