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2026-08-06 Message API

  • Thread timelines (GET /v1/message/threads/{id}/timeline) now also report workflow started, thread user assigned, message label added and removed, message entity linked and unlinked, auto-reply sent, and thread moved to inbox, trashed, and restored events, so consumers must be prepared for these additional event shapes in events[].data
  • New optional id, message_id, actor, source, automated, and automation fields added to timeline events, identifying the event and who or what triggered it