Changes to Send message (OpenAI format).

added the new 422.00 enum value to the data/code response property for the response status 400

added the new 422.00 enum value to the data/code response property for the response status 401

added the new 422.00 enum value to the data/code response property for the response status 404

added the new 422.00 enum value to the data/code response property for the response status 429

added the new 422.00 enum value to the data/code response property for the response status 500

added the new 422.00 enum value to the data/code response property for the response status 501

added the new optional request property labels

added the new optional request property labels_exclusive

added the new optional request property sub_personas

added the media type text/event-stream for the response with the status 200

endpoint added

api path removed without deprecation