Documentation 2026-08-28 23:59 UTC to 2026-08-29 18:58 UTC

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29 <img src="https://mintcdn.com/claude-code/jhXrDR5TrSZ5hgXM/images/hooks-lifecycle.svg?fit=max&auto=format&n=jhXrDR5TrSZ5hgXM&q=85&s=3ca47113d5956460e6e4611b8dbc63b7" alt="Diagram siklus hidup hook menunjukkan Setup opsional yang mengalir ke SessionStart, kemudian loop per-turn yang berisi UserPromptSubmit, UserPromptExpansion untuk slash commands, loop agentic bersarang (PreToolUse, PermissionRequest, PostToolUse, PostToolUseFailure, PostToolBatch, SubagentStart/Stop, TaskCreated, TaskCompleted), dan Stop atau StopFailure, diikuti TeammateIdle, PreCompact, PostCompact, dan SessionEnd, dengan Elicitation dan ElicitationResult bersarang di dalam eksekusi MCP tool, PermissionDenied sebagai cabang samping dari PermissionRequest untuk penolakan mode otomatis, WorktreeCreate, WorktreeRemove, Notification, ConfigChange, InstructionsLoaded, CwdChanged, dan FileChanged sebagai event asinkron mandiri, dan MessageDisplay sebagai event display-only yang berjalan saat teks pesan asisten streaming" width="520" height="1228" data-path="images/hooks-lifecycle.svg" />29 <img src="https://mintcdn.com/claude-code/x7pO8l4XcvAXCoVc/images/hooks-lifecycle.svg?fit=max&auto=format&n=x7pO8l4XcvAXCoVc&q=85&s=81b9256c1bbe8832553485f5d9e9c746" alt="Diagram siklus hidup hook menunjukkan Setup opsional yang mengalir ke SessionStart, kemudian loop per-turn yang berisi UserPromptSubmit, UserPromptExpansion untuk slash commands, loop agentic bersarang (PreToolUse, PermissionRequest, PostToolUse, PostToolUseFailure, PostToolBatch, SubagentStart/Stop, TaskCreated, TaskCompleted), dan Stop atau StopFailure, diikuti TeammateIdle, PreCompact, PostCompact, dan SessionEnd, dengan Elicitation dan ElicitationResult bersarang di dalam eksekusi MCP tool, PermissionDenied sebagai cabang samping dari PermissionRequest untuk penolakan mode otomatis, WorktreeCreate, WorktreeRemove, Notification, ConfigChange, InstructionsLoaded, CwdChanged, dan FileChanged sebagai event asinkron mandiri, dan MessageDisplay sebagai event display-only yang berjalan saat teks pesan asisten streaming" width="520" height="1336" data-path="images/hooks-lifecycle.svg" />

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62| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |62| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |

63| `PreCompact` | Before context compaction |63| `PreCompact` | Before context compaction |

64| `PostCompact` | After context compaction completes |64| `PostCompact` | After context compaction completes |

65| `PreModelSwitch` | Before Claude Code applies a model switch that you or a client requested. Can block the switch |

66| `PostModelSwitch` | After the session's model changes, including changes Claude Code makes on its own, such as restoring the model when you resume a session |

65| `Elicitation` | When an MCP server requests user input during a tool call |67| `Elicitation` | When an MCP server requests user input during a tool call |

66| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |68| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |

67| `SessionEnd` | When a session terminates |69| `SessionEnd` | When a session terminates |

488| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |488| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |

489| `PreCompact` | Before context compaction |489| `PreCompact` | Before context compaction |

490| `PostCompact` | After context compaction completes |490| `PostCompact` | After context compaction completes |

491| `PreModelSwitch` | Before Claude Code applies a model switch that you or a client requested. Can block the switch |

492| `PostModelSwitch` | After the session's model changes, including changes Claude Code makes on its own, such as restoring the model when you resume a session |

491| `Elicitation` | When an MCP server requests user input during a tool call |493| `Elicitation` | When an MCP server requests user input during a tool call |

492| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |494| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |

493| `SessionEnd` | When a session terminates |495| `SessionEnd` | When a session terminates |

148| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |148| `WorktreeRemove` | When a worktree is being removed at session exit, when a subagent finishes, or when you delete a background session |

149| `PreCompact` | Before context compaction |149| `PreCompact` | Before context compaction |

150| `PostCompact` | After context compaction completes |150| `PostCompact` | After context compaction completes |

151| `PreModelSwitch` | Before Claude Code applies a model switch that you or a client requested. Can block the switch |

152| `PostModelSwitch` | After the session's model changes, including changes Claude Code makes on its own, such as restoring the model when you resume a session |

151| `Elicitation` | When an MCP server requests user input during a tool call |153| `Elicitation` | When an MCP server requests user input during a tool call |

152| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |154| `ElicitationResult` | After a user responds to an MCP elicitation, before the response is sent back to the server |

153| `SessionEnd` | When a session terminates |155| `SessionEnd` | When a session terminates |