DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
The SubagentStart and SubagentStop hook event descriptions have been updated from "Task tool call" to "Agent tool call" to match the Task→Agent rename. The events themselves are unchanged.
Evidence
Hook event descriptions (search for "subagent (Agent tool call)")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
