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fix: remove public hook skip action

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This commit is contained in:
Keisuke Hirata 2026-06-04 02:02:52 +09:00
parent 2f020ed0bb
commit a4e30e292a
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1 changed files with 34 additions and 7 deletions
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41
crates/pod/src/hook.rs
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@ -73,16 +73,14 @@ impl From<HookPreRequestAction> for PreRequestAction {
/// Hook-facing pre-tool-call action.
///
/// Hooks may continue, skip/pause/abort the call, or deny it with an error
/// Hooks may continue, pause/abort the call, or deny it with an error
/// string that Pod converts into a synthetic tool result for the current
/// tool call. Hooks cannot mutate the tool call arguments or construct
/// arbitrary `ToolResult` values.
/// tool call. Hooks cannot express the internal no-result skip path, mutate
/// the tool call arguments, or construct arbitrary `ToolResult` values.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum HookPreToolAction {
/// Proceed with tool execution.
Continue,
/// Skip this tool call without executing it.
Skip,
/// Deny this tool call and commit a synthetic error result.
Deny(String),
/// Abort the entire run.
@ -95,7 +93,6 @@ impl HookPreToolAction {
pub(crate) fn into_worker_action(self, call_id: String) -> PreToolAction {
match self {
HookPreToolAction::Continue => PreToolAction::Continue,
HookPreToolAction::Skip => PreToolAction::Skip,
HookPreToolAction::Deny(reason) => {
PreToolAction::SyntheticResult(ToolResult::error(call_id, reason))
}
@ -239,7 +236,8 @@ pub trait HookEventKind: Send + Sync + 'static {
pub struct OnPromptSubmit;
/// Before each LLM request; may continue, cancel, or yield.
pub struct PreLlmRequest;
/// Before each tool is executed; may continue, skip, deny, abort, or pause.
/// Before each tool is executed; may continue, deny with a synthetic result,
/// abort, or pause.
pub struct PreToolCall;
/// After each tool completes; observational except it may abort the run.
pub struct PostToolCall;
@ -362,3 +360,32 @@ pub struct HookRegistry {
pub(crate) on_turn_end: Vec<Box<dyn Hook<OnTurnEnd>>>,
pub(crate) on_abort: Vec<Box<dyn Hook<OnAbort>>>,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn public_pre_tool_hook_actions_cannot_emit_internal_no_result_skip() {
let continue_action = HookPreToolAction::Continue.into_worker_action("call_1".into());
assert!(matches!(continue_action, PreToolAction::Continue));
let deny_action =
HookPreToolAction::Deny("blocked".into()).into_worker_action("call_2".into());
match deny_action {
PreToolAction::SyntheticResult(result) => {
assert_eq!(result.tool_use_id, "call_2");
assert_eq!(result.summary, "blocked");
assert!(result.is_error);
}
other => panic!("public deny must produce synthetic result, got {other:?}"),
}
let abort_action =
HookPreToolAction::Abort("stop".into()).into_worker_action("call_3".into());
assert!(matches!(abort_action, PreToolAction::Abort(reason) if reason == "stop"));
let pause_action = HookPreToolAction::Pause.into_worker_action("call_4".into());
assert!(matches!(pause_action, PreToolAction::Pause));
}
}