fix(local-process): handle EPIPE error when writing to closed stdin - #1293
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taylorfsteele wants to merge 2 commits into
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fix(local-process): handle EPIPE error when writing to closed stdin#1293taylorfsteele wants to merge 2 commits into
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Included review availability: Your plan provides up to 8 included reviews per hour; 6 remain after this review. 📝 WalkthroughWalkthroughThe change adds an error listener to child process stdin, preserves ChangesChild process stdin error handling
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This localized change prevents a closed child-process stdin from crashing the host while preserving the existing write failure behavior. No actionable merge-blocking risk remains beyond normal checks and review. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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In `@packages/ai-sandbox-local-process/tests/local-process.test.ts`:
- Around line 266-267: Wrap the spawn, stdout wait, and assertions in a
try/finally block so cleanup always executes; place both proc.kill() and
sbx.destroy() in the finally block, preserving their existing teardown order.
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.changeset/local-process-stdin-error-listener.mdpackages/ai-sandbox-local-process/src/handle.tspackages/ai-sandbox-local-process/tests/local-process.test.ts
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A failed assertion or a failed stdout wait skipped the teardown, so the `sleep 30` child and its sandbox survived the test. Measured on a failing run: two host processes remained. `kill-tree.test.ts` already states this rule for the same construct. `destroy()` kills the process tree unconditionally, so the explicit `proc.kill()` is redundant and goes. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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🎯 Changes
Fixes #1292 .
spawnProcesshas noerrorlistener tochild.stdin. Node reports a failed write twice. It calls thewritecallback, and it also emits anerrorevent on the socket. An unhandlederrorevent throws, and that exception stops the host process.This PR adds en error listener to
child.stdininspawnProcess.✅ Checklist
pnpm run test:pr, or these tests do not apply to this pull request.docs/for this change, or this change is not user-facing.pnpm changeset), or this PR does not change a published package.🚀 Release Impact
Summary by CodeRabbit
Bug Fixes
EPIPEerror without interrupting the host process.Tests