curl --request PATCH \
  --url https://api.altostrat.io/workspaces/{workspaceId}/members/{memberId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "role": "admin"
}'

{
  "user_id": "auth0|64f5a6b7c8d9e0f1a2b3c4d5",
  "workspace_id": "ws_a1b2c3d4e5f6g7h8",
  "role": "admin",
  "created_at": "2025-10-29T00:40:06.000000Z",
  "updated_at": "2025-10-29T00:40:06.000000Z"
}