Message

Message states for user, assistant, system, and custom parts.

A message can carry attachments plus an ordered list of text, markdown, thinking, status, task, and custom parts.

Supported message states

Each example below is a single ChatMessageData object rendered in isolation.

Summarise this brief and keep the run state visible.

Thinking

Pulling out blockers first so the answer reads like an operating note.

Handoff note

  • Confirm the export shape
  • Lock the QA owner
  • Schedule the dry run

Streaming response from the assistant...

Embedded card 64%
Embedded status card
A custom card can live inside a normal assistant message.

Drafting the closing summary

Attached brief
Mapped blockers
Preparing final handoff