curl https://api.rapidcall.ai/api/workspaces \
  -H "Authorization: Bearer YOUR_TOKEN"

{
  "workspaces": [
    {
      "id": "ws_abc123",
      "name": "My Company",
      "role": "owner",
      "createdAt": "2026-01-15T10:00:00Z"
    }
  ]
}