curl "https://api.chatgrid.ai/v1/me" \
  -H "Authorization: Bearer cgk_live_a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6"

{
  "object": "user",
  "data": {
    "id": "11aabb22-cc33-dd44-ee55-ff6677889900",
    "email": "moshi@chatgrid.ai",
    "created_at": "2026-01-10T08:00:00.000Z",
    "auth_mode": "api-key"
  }
}