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fix(pty): recheck prompt handoff at idle boundary

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Tianyi Cui
2026-07-26 00:30:38 +08:00
parent 204a09b70f
commit 1317e4809f
3 changed files with 7 additions and 4 deletions
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7
packages/pty/pty-local/src/session.ts
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@@ -331,8 +331,11 @@ export class LocalPtySession implements PtyBackendSession {
// A prompt candidate can race bash's foreground handoff, but an interactive
// child also inherits PROMPT_COMMAND. Silence therefore remains the bound
// on waiting for shell ownership instead of letting a child marker suppress
// readiness until the absolute timeout.
if (startupHasOutput && Date.now() - this.lastOutputAt >= this.config.idleSilenceMs) {
// readiness until the absolute timeout. One final poll lets a foreground
// handoff coincident with that boundary win before the fallback settles.
const idleFor = Date.now() - this.lastOutputAt
const handoffGrace = this.promptSeen ? this.config.pollIntervalMs : 0
if (startupHasOutput && idleFor >= this.config.idleSilenceMs && idleFor - this.config.idleSilenceMs >= handoffGrace) {
this.settleActive('inferred_idle')
return
}