fix(harness): treat "No deferred tool marker" as non-retriable in claude_harness.cjs by Copilot · Pull Request #31014 · github/gh-aw

Copilot · 2026-05-08T12:47:21Z

When Claude Code exits with "No deferred tool marker found", every --continue retry fails instantly with the same error — the harness was burning all 3 retry slots in ~0s each, masking the real cause and never reaching actual work (root cause of the 4-day Multi-Device Docs Tester streak).

Changes

claude_harness.cjs — adds NO_DEFERRED_MARKER_PATTERN + isNoDeferredMarkerError() and breaks out of the retry loop immediately on detection, mirroring the existing max_turns short-circuit; also surfaces isNoDeferredMarkerError in the per-attempt failure log line for easier diagnosis
claude_harness.test.cjs — 7 new unit tests covering canonical error string, mixed-case, embedded-in-log-block, and negative cases (overloaded, max_turns, success, empty)

// Before: harness retried 3× with --continue, each failing instantly
[claude-harness] all 3 retries exhausted — giving up (exitCode=1)

// After: harness detects the condition and exits on the first attempt
[claude-harness] attempt 1: no deferred tool marker — not retriable via --continue
[claude-harness] done: exitCode=1 totalDuration=3s

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

https://api.github.com/graphql
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github-actions · 2026-05-08T13:23:32Z

Hey @copilot-swe-agent 👋 — great catch on the non-retriable No deferred tool marker error! Short-circuiting the retry loop here and surfacing it clearly in the failure log is exactly the right approach.

One thing worth tidying up before merge:

Unfocused diff — the PR bundles the claude_harness.cjs bugfix and its 7 new unit tests together with a mass update of 100+ .lock.yml workflow pin files. These are independent concerns. Keeping the harness fix in its own PR makes the change history easier to bisect and review, especially since the lock-file churn drowns out the actual logic change.

If you'd like a hand splitting this up, here's a ready-to-use prompt:

Split PR #31014 into two separate PRs on the github/gh-aw repo:
1. A focused PR containing only the changes to claude_harness.cjs and claude_harness.test.cjs (the "No deferred tool marker" non-retriable fix and its unit tests).
2. A separate PR (or automated commit) containing only the .lock.yml workflow pin bumps.
Base both PRs on the same upstream branch as #31014. Reuse the existing PR body for PR 1, trimming any lock-file references.

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Copilot

Pull request overview

This PR updates the Claude CLI harness to detect the deterministic “No deferred tool marker found” failure mode and stop retrying with --continue, preventing instant retry loops that waste retry budget and obscure the real underlying failure.

Changes:

Add detection for “No deferred tool marker found” in claude_harness.cjs and short-circuit the retry loop on that condition.
Add unit tests for the new detection helper in claude_harness.test.cjs.
Refresh multiple workflow lock files to reflect the updated actions/github-script version annotation format (v9 vs v9.0.0 (source v9)).

Show a summary per file

File	Description
actions/setup/js/claude_harness.cjs	Adds “no deferred marker” detection and stops retrying when encountered.
actions/setup/js/claude_harness.test.cjs	Adds unit coverage for the new detection helper.
.github/workflows/weekly-editors-health-check.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/video-analyzer.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/update-astro.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/test-workflow.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/test-project-url-default.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/test-dispatcher.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-workflow-call.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-temporary-id.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-service-ports.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-opencode.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-crush.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/smoke-ci.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/research.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/repo-tree-map.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/github-remote-mcp-auth-test.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/github-mcp-tools-report.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/firewall.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/example-permissions-warning.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/docs-noob-tester.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/dependabot-repair.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/dependabot-go-checker.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/dependabot-burner.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-team-status.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-team-evolution-insights.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-syntax-error-quality.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-sentrux-report.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-regulatory.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-multi-device-docs-tester.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/daily-malicious-code-scan.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/codex-github-remote-mcp-test.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/code-simplifier.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/cli-consistency-checker.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.
.github/workflows/blog-auditor.lock.yml	Lock metadata/comment normalization for `actions/github-script` version annotation.

Copilot's findings

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Files reviewed: 151/188 changed files
Comments generated: 0

Initial plan

9d7c3ab

Copilot AI assigned Copilot and gh-aw-bot May 8, 2026

Copilot started work on behalf of gh-aw-bot May 8, 2026 12:47 View session

Copilot AI linked an issue May 8, 2026 that may be closed by this pull request

[aw-failures] [fix] Multi-Device Docs Tester: session resume failure — 4-day consecutive streak #30796

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Copilot AI and others added 2 commits May 8, 2026 12:52

initial plan for harness deferred-marker fix

5cfe6d4

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/3b5f288a-61bd-4afe-9a43-08048a71fe7a Co-authored-by: gh-aw-bot <259018956+gh-aw-bot@users.noreply.github.com>

fix(harness): detect no-deferred-marker error as non-retriable in cla…

cad2e3a

…ude_harness.cjs Agent-Logs-Url: https://github.com/github/gh-aw/sessions/3b5f288a-61bd-4afe-9a43-08048a71fe7a Co-authored-by: gh-aw-bot <259018956+gh-aw-bot@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Fix session resume failure in Multi-Device Docs Tester~~ fix(harness): treat "No deferred tool marker" as non-retriable in claude_harness.cjs May 8, 2026

Copilot AI requested a review from gh-aw-bot May 8, 2026 13:01

Copilot finished work on behalf of gh-aw-bot May 8, 2026 13:01

github-actions Bot mentioned this pull request May 8, 2026

[Contribution Check Report] Contribution Check — 2026-05-08 #30915

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pelikhan marked this pull request as ready for review May 8, 2026 14:04

Copilot AI review requested due to automatic review settings May 8, 2026 14:04

pelikhan merged commit ce5b7a1 into main May 8, 2026

pelikhan deleted the copilot/fix-multi-device-session-resume branch May 8, 2026 14:05

Copilot started reviewing on behalf of pelikhan May 8, 2026 14:06 View session

Copilot AI reviewed May 8, 2026

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fix(harness): treat "No deferred tool marker" as non-retriable in claude_harness.cjs#31014

fix(harness): treat "No deferred tool marker" as non-retriable in claude_harness.cjs#31014
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Copilot AI commented May 8, 2026 •

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