Changes to Force a Linear OAuth token refresh and return the updated status payload. Useful when an agent observes an expired token and wants to recover without restarting the server or re-running OAuth.

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 409

added the media type application/json for the response with the status 500

added the media type application/json for the response with the status 503

endpoint added