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Fix Code Mode workspace context propagation

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This commit is contained in:
Yichen Jiang
2026-07-13 13:56:45 +08:00
parent c748f30055
commit 768c79fd45
51 changed files with 1040 additions and 265 deletions
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21
packages/guard/repeat-tool-guard/src/index.ts
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@@ -7,7 +7,7 @@
* through the `tools/post-execute` waterfall, count runs of consecutive calls
* to the same tool with identical canonicalized arguments, and at configured
* run lengths fold an escalating advisory reminder onto the decision's
* `additionalContext`. The loop appends that context as a logged
* `additionalContexts`. The loop appends that context as a logged
* `context/message` after the step's tool results, so the reminder is
* model-visible, source-attributed, and reconstructable from the session log
* with no new session event. Decision record:
@@ -168,16 +168,11 @@ function validateThresholds(values: number[]): number[] {
}
/**
* Concatenate the guard's reminder context with a downstream listener's
* optional one so folding drops neither. The merged block carries the guard's
* `source` — a `HookContext` holds one `MessageSource` and the seam cannot
* represent mixed provenance; the rendered `context/message` only
* distinguishes by `source.kind`, so a downstream plugin's text is still
* correctly framed as plugin context.
* Prepend the guard's reminder while preserving every downstream context's
* source, envelope, and metadata.
*/
function concatContext(ours: HookContext, theirs: HookContext | undefined): HookContext {
if (!theirs) return ours
return { content: [...ours.content, ...theirs.content], source: ours.source }
function prependContext(ours: HookContext, theirs: HookContext[] | undefined): HookContext[] {
return [ours, ...theirs ?? []]
}
/** One agent's consecutive-repeat chain: the last tracked call's identity key and its run length. */
@@ -237,19 +232,19 @@ export function apply(ctx: Context, config: Config): void {
// Observe-and-enrich, never veto: count first (state advances regardless of
// the downstream outcome), DELEGATE so a later listener can still block or
// replace, then fold the reminder onto whatever came back — additionalContext
// replace, then fold the reminder onto whatever came back — additionalContexts
// rides both decision variants, so a blocked call still gets the nudge.
ctx.on('tools/post-execute', async (exec, _result, next): Promise<PostToolDecision> => {
const reminder = observe(exec)
const downstream = await next()
if (!reminder) return downstream
if (downstream.kind === 'block') {
return { kind: 'block', feedback: downstream.feedback, additionalContext: concatContext(reminder, downstream.additionalContext) }
return { kind: 'block', feedback: downstream.feedback, additionalContexts: prependContext(reminder, downstream.additionalContexts) }
}
return {
kind: 'accept',
...downstream.content !== undefined ? { content: downstream.content } : {},
additionalContext: concatContext(reminder, downstream.additionalContext),
additionalContexts: prependContext(reminder, downstream.additionalContexts),
}
})