Changes to List messages in a thread

added the optional property anchorUserMessage/allOf[#/components/schemas/AssistantMessageResponseDto]/parts/items/contentType to the response with the 200 status

added the optional property anchorUserMessage/allOf[#/components/schemas/AssistantMessageResponseDto]/parts/items/fileName to the response with the 200 status

added the optional property anchorUserMessage/allOf[#/components/schemas/AssistantMessageResponseDto]/parts/items/pendingAttachmentId to the response with the 200 status

added the optional property anchorUserMessage/allOf[#/components/schemas/AssistantMessageResponseDto]/parts/items/sizeBytes to the response with the 200 status

added the optional property data/items/parts/items/contentType to the response with the 200 status

added the optional property data/items/parts/items/fileName to the response with the 200 status

added the optional property data/items/parts/items/pendingAttachmentId to the response with the 200 status

added the optional property data/items/parts/items/sizeBytes to the response with the 200 status

added the optional property anchorUserMessage to the response with the 200 status

the response property data became required for the status 200

the response property limit became required for the status 200

the response property offset became required for the status 200

the response property total became required for the status 200

endpoint added