SubagentCompletedData

A subagent answered, with what it did and cost along the way: its events stay out of the log, so these are the whole of it.

Properties

Property	Type	Description
agent?	object	-
agent.id?	string	-
agent.name?	string	-
message	Message	-
duration_ms	number	-
tool_calls?	number	How many tool calls it made.
usage?	Usage	-
cost?	Cost | null	What its model calls and tools cost, together, which counts as the calling tool's; null where nothing priced them.