curl --request POST \
  --url https://api.example.com/api/v1/teams/cos/briefing \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "<string>",
      "source": "<string>",
      "title": "<string>",
      "summary": "<string>",
      "action": "<string>",
      "reason": "<string>",
      "priority": 123,
      "agent_slug": "<string>",
      "proposed_output": "<string>"
    }
  ],
  "summary": "<string>",
  "stats": {}
}