ConversationEvent

The events on a conversation's answer stream. The SSE event: name is each member's @jsonName. Clients skip event names they do not know.

Exactly one of these, named by the SSE event: line. The SDKs skip an event name they do not know.

Event	Data	Visibility	Description
`message.started`	MessageStarted	public	The answer has started.
`phase.changed`	PhaseChanged	public	The agent moved to another phase of its workflow.
`progress.updated`	ProgressUpdated	public	A progress step started, changed or finished.
`text.delta`	TextDelta	public	A fragment of answer text. The one recorded exception to the noun.past_tense naming rule.
`citation.added`	CitationAdded	public	A citation was added to the answer.
`tool.started`	ToolStarted	public	A tool call started.
`tool.finished`	ToolFinished	public	A tool call finished.
`input.requested`	InputRequested	public	The agent asked the person for input through a widget.
`message.completed`	MessageCompleted	public	The answer is complete. Ends the stream.
`message.failed`	MessageFailed	public	The answer failed. Ends the stream; its data is a problem details object.