[yaacovcorcos]

Claude's version probe could report a working installation as failing when startup took longer than four seconds, particularly on Windows. Give only claude --version a 20-second deadline; usage and capabilities retain their existing deadlines. A hung version probe still returns an error through the existing scoped subprocess cleanup.

Maintainer takeover of #21263, preserving @yaacovcorcos's implementation and contributor commits. Replaced the malformed regression test with two deterministic clock cases: a healthy response after 19 seconds and a hung probe. Removed the invalid literal-newline fixture.

Verification on head 0a17c749f102ce5df3482547ce6f79526dbee964:

• Original test file did not parse. Rebuilt registry suite: 72 passing tests; reverting the production fix produces one expected failure. Registry plus snapshot-probe suites: 96 passing tests.
• Targeted lint, formatting, and server typecheck pass.
• Live Linux subprocess proof called the real checkClaudeProviderStatus with an executable fixture that delays --version for five seconds: {"elapsedMs":5095,"status":"ready","version":"2.1.303"}. This verifies actual process spawning past the former deadline, without a paid model request.
• Independent full-diff Opus 5.5 and GPT-6 Sol reviews: one round, no actionable findings.

Windows startup was not reproduced on a Windows host. macOS, iOS, Android, and Electron desktop were not verified. The deadline interrupts the existing scoped process operation; this does not add a hard-kill guarantee for a process that ignores termination. No visual UI change, so proof is test and process output rather than screenshots. CI and approval/landing are handed to the coordinator; no merge performed.

Implemented with GPT-6.1 Sol in the Codex harness; tests by GPT-6 Astra, independent reviews by Claude Opus 5.5 and GPT-6 Sol through T3 Code.

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-18T19:22:41.921890Z	9c495d8	PR opened

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[macroscopeapp]

Approvability

Verdict: Needs Human Approval

Macroscope's review found this PR requires human approval — This is a narrowly scoped reliability fix with targeted coverage, but it changes the built-in Claude health-check deadline from 4 seconds to 20 seconds. That default behavior change warrants confirmation by a human reviewer.

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📥 Commits

Reviewing files that changed from the base of the PR and between 0a17c74 and 6e75528.

📒 Files selected for processing: 2

• apps/server/src/provider/ClaudeProvider.ts
• apps/server/src/provider/ProviderRegistry.test.ts

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• apps/server/src/provider/ClaudeProvider.ts
• apps/server/src/provider/ProviderRegistry.test.ts

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📝 Walkthrough

The Claude CLI --version check now uses a 20-second timeout. Tests cover a response after 19 seconds and a probe that remains hung after 21 seconds.

Changes: Claude version check

Layer / File(s)	Summary
Version check timeout apps/server/src/provider/ClaudeProvider.ts, apps/server/src/provider/ProviderRegistry.test.ts	The --version command now uses a 20-second timeout. Tests verify that a 19-second response leaves the provider ready with version 1.0.0, while a 21-second hang returns an error with a null version and a timeout message. Both tests expect the CLI to be marked installed.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Suggested reviewers: juliusmarminge

Merge Risk: ⚪ Minimal · up to 0a17c

A slow but healthy Claude CLI is no longer reported as failing, and a CLI that still times out is reported as before. The earlier test-file syntax problem is fixed, so no merge-blocking risk remains.

Pre-merge checks: 4

Check name	Status	Explanation
Title check		The title clearly and concisely describes the main fix: preventing slow Claude CLI startup from being reported as a failure.
Description check		The description covers the problem, implementation, scope, verification results, limitations, and agent disclosure. It includes detailed test evidence and links the maintained PR context. Although it …
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Description check

Explanation

The description covers the problem, implementation, scope, verification results, limitations, and agent disclosure. It includes detailed test evidence and links the maintained PR context. Although it does not use the template headings verbatim, it provides the required information.

✨ Finishing Touches: 💡 1

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Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @apps/server/src/provider/ProviderRegistry.test.ts:
- Around line 3148-3149: Update the `encoder.encode` string in the `stdout` test
fixture to use an escaped newline (`\n`) instead of a literal newline, keeping
the test file valid TypeScript.

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[juliusmarminge]

Taking over this one as maintainer for batch claude-02. I will repair the malformed test string, merge main, and verify both healthy slow startup and the timeout boundary before pushing here. Credit to @yaacovcorcos for the Windows startup diagnosis.

[juliusmarminge]

Current head 0a17c74 passed all server test shards and lint. Build and Typecheck failed in unchanged apps/web/src/components/chat/ThreadDetailsPrRows.browser.test.tsx:236: missing openInShortcutEnabled, the same unrelated CI error seen in this batch. Local scoped server typecheck passed. The malformed registry fixture is fixed and its review thread resolved. Handing approval/landing and this unrelated CI failure to the coordinator; no watcher or review rerun started.