{
  "method": "sessionUpdate",
  "args": [
    {
      "sessionId": "session-id",
      "update": {
        "sessionUpdate": "agent_message_chunk",
        "content": {
          "type": "text",
          "text": "**Model:** model-id[effort]  \n**Directory:** /test/cwd  \n**Approval:** on-request  \n**Sandbox:** workspace-write  \n**Account:** not logged in  \n**Session:** `session-id`  \n  \n**Token usage:** data not available yet  \n**Context window:** data not available yet  \n**Limits:** data not available yet"
        }
      }
    }
  ]
}