Changes to Update a Reason

added the pattern ^[^\u0000]*$ to the request property name

added the new optional request property audience

added the new optional request property default_model

added the new optional request property default_reasoning_effort

added the new optional request property default_repositories

added the new optional request property visibility

added the required property audience to the response with the 200 status

added the required property default_model to the response with the 200 status

added the required property default_reasoning_effort to the response with the 200 status

added the required property default_repositories to the response with the 200 status

added the new optional request property instructions

added the required property instructions to the response with the 200 status

endpoint added