{
  "method": "sessionUpdate",
  "args": [
    {
      "sessionId": "test-session-id",
      "update": {
        "sessionUpdate": "tool_call",
        "toolCallId": "context-compaction-id",
        "kind": "other",
        "title": "Context compacting",
        "status": "in_progress",
        "_meta": {
          "contextCompaction": true
        }
      }
    }
  ]
}
{
  "method": "sessionUpdate",
  "args": [
    {
      "sessionId": "test-session-id",
      "update": {
        "sessionUpdate": "tool_call_update",
        "toolCallId": "context-compaction-id",
        "title": "Context compacted",
        "status": "completed",
        "_meta": {
          "contextCompaction": true
        }
      }
    }
  ]
}