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Users can declare shell scripts in config.yaml under a hooks: block that fire on plugin-hook events (pre_tool_call, post_tool_call, pre_llm_call, subagent_stop, etc). Scripts receive JSON on stdin, can return JSON on stdout to block tool calls or inject context pre-LLM. Key design: - Registers closures on existing PluginManager._hooks dict — zero changes to invoke_hook() call sites - subprocess.run(shell=False) via shlex.split — no shell injection - First-use consent per (event, command) pair, persisted to allowlist JSON - Bypass via --accept-hooks, HERMES_ACCEPT_HOOKS=1, or hooks_auto_accept - hermes hooks list/test/revoke/doctor CLI subcommands - Adds subagent_stop hook event fired after delegate_task children exit - Claude Code compatible response shapes accepted Cherry-picked from PR #13143 by @pefontana. |
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| .. | ||
| features | ||
| messaging | ||
| skills | ||
| _category_.json | ||
| checkpoints-and-rollback.md | ||
| cli.md | ||
| configuration.md | ||
| docker.md | ||
| git-worktrees.md | ||
| profiles.md | ||
| security.md | ||
| sessions.md | ||
| tui.md | ||