Changes to Create message

added the optional property error/misalignment/review_target to the response with the 429 status

the request property attachments became not nullable

the request property metadata became not nullable

response property assistant_id list-of-types was widened by adding types null to media type application/json of response 200

response property attachments list-of-types was widened by adding types null to media type application/json of response 200

response property completed_at list-of-types was widened by adding types null to media type application/json of response 200

response property incomplete_at list-of-types was widened by adding types null to media type application/json of response 200

response property metadata list-of-types was widened by adding types null to media type application/json of response 200

response property run_id list-of-types was widened by adding types null to media type application/json of response 200

the incomplete_details response's property type changed from object to no type for status 200

removed the required property incomplete_details/reason from the response with the 200 status

request property attachments list-of-types was widened by adding types null to media type application/json

request property metadata list-of-types was widened by adding types null to media type application/json

added the non-success response with the status 429

added subschema #1 subschema #2 to the incomplete_details response property anyOf list for the response status 200