Beta Managed Agents Delta Content
BetaManagedAgentsDeltaContent objecttype: "content_delta"content: BetaManagedAgentsTextBlockRegular text content.
type: "text"text: stringThe text content.
minLength: 1
index: optional numberWhich entry in the previewed event's content array this fragment lands in. Insert content as that entry when the index is new; append to the existing entry otherwise.
format: uint32