Changes to List run steps

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

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

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

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

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

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

response property data/items/step_details/oneOf[subschema #2: Tool calls]/tool_calls/items/oneOf[subschema #3: Function tool call]/function/output list-of-types was widened by adding types null to media type application/json of response 200

the data/items/last_error response's property type changed from object to no type for status 200

the data/items/usage response's property type changed from object to no type for status 200

removed the required property data/items/last_error/code from the response with the 200 status

removed the required property data/items/last_error/message from the response with the 200 status

removed the required property data/items/usage/completion_tokens from the response with the 200 status

removed the required property data/items/usage/prompt_tokens from the response with the 200 status

removed the required property data/items/usage/total_tokens from the response with the 200 status

added the new auto enum value to the data/items/step_details/oneOf[subschema #2: Tool calls]/tool_calls/items/oneOf[subschema #2: File search tool call]/file_search/ranking_options/ranker response property for the response status 200

added the non-success response with the status 429

added subschema #1 subschema #2 to the data/items/last_error response property anyOf list for the response status 200

added subschema #1 subschema #2 to the data/items/usage response property anyOf list for the response status 200