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## Why Large hook outputs can enter model-visible context through hook-specific paths such as `additionalContext` and `Stop` continuation prompts. Without a dedicated cap, one hook can inject a large blob directly into conversation history instead of leaving a bounded preview for the model and preserving the full text elsewhere. ## What - spill hook text once it exceeds a fixed `2_500`-token budget, preserving the full output on disk and leaving a head/tail preview plus saved path in context - add shared hook-output spilling under `CODEX_HOME/hook_outputs/<thread_id>/<uuid>.txt` - apply the cap to both `additionalContext`, `feedback_message`, and `Stop` continuation fragments
64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
mod config_rules;
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mod engine;
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pub(crate) mod events;
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mod legacy_notify;
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mod output_spill;
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mod registry;
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mod schema;
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mod types;
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pub use engine::HookListEntry;
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/// Hook event names as they appear in hooks JSON and config files.
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pub const HOOK_EVENT_NAMES: [&str; 6] = [
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"PreToolUse",
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"PermissionRequest",
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"PostToolUse",
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"SessionStart",
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"UserPromptSubmit",
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"Stop",
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];
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/// Hook event names whose matcher fields are meaningful during dispatch.
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///
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/// Other events can appear in hooks JSON, but Codex ignores their matcher
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/// fields because those events do not dispatch against a tool or session-start
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/// source.
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pub const HOOK_EVENT_NAMES_WITH_MATCHERS: [&str; 4] = [
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"PreToolUse",
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"PermissionRequest",
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"PostToolUse",
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"SessionStart",
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];
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pub use events::permission_request::PermissionRequestDecision;
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pub use events::permission_request::PermissionRequestOutcome;
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pub use events::permission_request::PermissionRequestRequest;
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pub use events::post_tool_use::PostToolUseOutcome;
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pub use events::post_tool_use::PostToolUseRequest;
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pub use events::pre_tool_use::PreToolUseOutcome;
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pub use events::pre_tool_use::PreToolUseRequest;
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pub use events::session_start::SessionStartOutcome;
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pub use events::session_start::SessionStartRequest;
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pub use events::session_start::SessionStartSource;
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pub use events::stop::StopOutcome;
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pub use events::stop::StopRequest;
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pub use events::user_prompt_submit::UserPromptSubmitOutcome;
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pub use events::user_prompt_submit::UserPromptSubmitRequest;
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pub use legacy_notify::legacy_notify_json;
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pub use legacy_notify::notify_hook;
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pub use registry::HookListOutcome;
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pub use registry::Hooks;
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pub use registry::HooksConfig;
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pub use registry::command_from_argv;
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pub use registry::list_hooks;
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pub use schema::write_schema_fixtures;
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pub use types::Hook;
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pub use types::HookEvent;
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pub use types::HookEventAfterAgent;
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pub use types::HookEventAfterToolUse;
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pub use types::HookPayload;
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pub use types::HookResponse;
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pub use types::HookResult;
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pub use types::HookToolInput;
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pub use types::HookToolInputLocalShell;
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pub use types::HookToolKind;
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