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Document agentStop, subagentStop, and preCompact hooks for Copilot CLI #43876

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docs(copilot-cli): document agentStop, subagentStop, and preCompact h…
izecell Apr 20, 2026
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docs(copilot-cli): clarify agentStop fires per-turn, not per-session
izecell Apr 20, 2026
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docs(copilot-cli): clarify agentStop fires per-turn, not per-session 
Addresses review feedback on PR #43876.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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izecell and Copilot committed Apr 20, 2026
commit 16feb832db610abf04e54566061287af6b4e49af
2 changes: 1 addition & 1 deletion content/copilot/reference/hooks-configuration.md
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### Agent stop hook

Executed when the main agent finishes responding to a prompt and is about to stop. Use this hook to log session completion or to inject a follow-up instruction by blocking the stop. When you block, the `reason` you provide is enqueued as the next user prompt, so the agent continues with that input.
Executed when the main agent finishes responding to a prompt and is about to stop. Use this hook to log the end of an agent turn or to inject a follow-up instruction by blocking the stop. To handle full session completion, use the session end hook. When you block, the `reason` you provide is enqueued as the next user prompt, so the agent continues with that input.

**Example input JSON:**

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