* feat: add conversation_id to message search results Add conversation_id field to all *MessageListResult classes (SystemMessageListResult, UserMessageListResult, ReasoningMessageListResult, AssistantMessageListResult) so that conversation IDs are returned from the /messages/search endpoint alongside agent IDs. Fixes #9055 Co-authored-by: Charles Packer <cpacker@users.noreply.github.com> * chore: regenerate SDK and OpenAPI spec Regenerate autogenerated files after adding conversation_id to message search result schemas. Co-authored-by: Sarah Wooders <sarahwooders@users.noreply.github.com> --------- Co-authored-by: letta-code <248085862+letta-code@users.noreply.github.com> Co-authored-by: Charles Packer <cpacker@users.noreply.github.com> Co-authored-by: Sarah Wooders <sarahwooders@users.noreply.github.com>