briefings

GET /v1/briefings HTTP/1.1
Host: api.osirisos.com
Authorization: Bearer osk_live_...

{
  "briefings": [
    {
      "id": "brf_01H...",
      "headline": "Energy infrastructure pressure in Eastern Europe rising.",
      "summary": "...",
      "tags": ["energy","conflict"],
      "published_at": "2026-06-09T06:00:00Z"
    }
  ],
  "next_cursor": null
}