[
  {
    "type": "message",
    "id": "u-1",
    "message": { "role": "user", "content": "Continue", "timestamp": 1 }
  },
  {
    "type": "message",
    "id": "a-tool",
    "message": {
      "role": "assistant",
      "stopReason": "toolUse",
      "content": [
        { "type": "text", "text": "not final" },
        { "type": "toolCall", "id": "tc-1", "name": "rg", "arguments": {} }
      ],
      "timestamp": 2
    }
  },
  {
    "type": "message",
    "id": "tool-result",
    "message": {
      "role": "toolResult",
      "content": [{ "type": "text", "text": "result must not enter summary" }],
      "timestamp": 3
    }
  },
  {
    "type": "compaction",
    "id": "compact-1",
    "summary": "compacted context",
    "timestamp": "2026-07-12T00:00:04Z"
  },
  {
    "type": "message",
    "id": "a-1",
    "message": {
      "role": "assistant",
      "stopReason": "stop",
      "content": [
        { "type": "thinking", "thinking": "hidden" },
        { "type": "text", "text": "Progress one" }
      ],
      "timestamp": 5
    }
  },
  {
    "type": "custom",
    "id": "custom-1",
    "customType": "runtime",
    "data": { "text": "ignore" }
  },
  {
    "type": "message",
    "id": "a-length",
    "message": {
      "role": "assistant",
      "stopReason": "length",
      "content": [{ "type": "text", "text": "not final length" }],
      "timestamp": 6
    }
  },
  {
    "type": "message",
    "id": "a-2",
    "message": {
      "role": "assistant",
      "stopReason": "stop",
      "content": [
        { "type": "text", "text": "Progress two" },
        { "type": "thinking", "thinking": "also hidden" }
      ],
      "timestamp": 7
    }
  },
  {
    "type": "message",
    "id": "a-error",
    "message": {
      "role": "assistant",
      "stopReason": "error",
      "content": [{ "type": "text", "text": "not final error" }],
      "timestamp": 8
    }
  },
  {
    "type": "message",
    "id": "a-empty",
    "message": {
      "role": "assistant",
      "stopReason": "stop",
      "content": [{ "type": "thinking", "thinking": "no text" }],
      "timestamp": 9
    }
  },
  {
    "type": "message",
    "id": "a-3",
    "message": {
      "role": "assistant",
      "stopReason": "stop",
      "content": [{ "type": "text", "text": "Findings three" }],
      "timestamp": 10
    }
  },
  {
    "type": "message",
    "id": "a-3-duplicate-hook-view",
    "message": {
      "role": "assistant",
      "stopReason": "stop",
      "content": [{ "type": "text", "text": "Findings three" }],
      "timestamp": 10
    }
  }
]