[devantler]

🤖 Generated by the Agentic Engineer

Why

A failed runner transport trial can report the wrong cause, preventing targeted repairs and delaying safe activation.

What

Report the failed verification step and retain its original failure status, while keeping private diagnostics suppressed and cleanup checks intact. Transport acceptance and runner activation still require successful protected verification.

Fixes #4761
Part of #4570

[devantler]

🤖 Generated by the Agentic Engineer

At 91b7f7d49d2c41dec181900697735fb1b713b34d, the stale-phase regression is RED before the repair and all 48 orchestration cases are GREEN afterward. The failed-command cases verify original exit codes, fixed phases, private-error suppression and owned probe/tunnel cleanup. Parser race tests, inactive-runner boundary tests, shell checks and the Bash initialization guard pass.

The correctness, simplification and security pass keeps cleanup, admission, transport and identity checks unchanged. Readback and parsing are separated so parsing cannot mask an API failure. The source of the original native failure remains unknown; #4570 stays open and no runner activation or credential access is authorized by these fixtures.

[devantler]

🤖 Generated by the Agentic Engineer

@coderabbitai full review

[coderabbitai]

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Reviewing files that changed from the base of the PR and between 8be116d and 91b7f7d.

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📒 Files selected for processing (2)

• scripts/tests/test-verify-arc-transport.sh
• scripts/verify-arc-transport.sh

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[devantler]

🤖 Generated by the Agentic Engineer

cr:no-gate@91b7f7d — the current-head CodeRabbit request was rate-limited, not reviewed. Fresh provider evidence: #4762 (comment), event 2026-10-11T18:55:39Z, observed at 18:56Z. The repository-scoped included OSS limit reports 31 minutes until recovery (19:26:39Z). No usage-based review is being enabled. Continuing to the next review lane; this refusal is not a verdict.

[devantler]

🤖 Generated by the Agentic Engineer

@codex review

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-11T18:58:18.240668Z	91b7f7d	Manual request

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Chef's kiss.

Reviewed commit: 91b7f7d49d

ℹ️ About Codex in GitHub

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[devantler]

🤖 Generated by the Agentic Engineer

Readiness at 91b7f7d: native CI passed, the exact-head Codex review found no major issues (#4762 (comment)), and fresh thread/body reads contain no unresolved findings. The head is signed, mergeable and CLEAN; the PR body follows the effective template. The unreadable code-quality analysis is not being represented as a passed local observation; GitHub reports CLEAN.

User evaluation exercised the actual Bash orchestration with injected command failures: all 48 cases passed, preserving original exit codes, static failure phases, private-error suppression and UID-bound cleanup. An independent current-head review reproduced those cases without findings. This proves diagnostic behavior, not native transport acceptance. The protected native trial remains a separate requirement under #4570, with runner activation and credential access still gated.