fix(cli): quiesce the fire-and-forget serve handler across tests - #11417
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) The 'forwards --token and --allow-origin' serve test returned as soon as runQwenServe had been called while its handler kept running in the background. Under load the handler's Local Control pairing phase was still in flight when the next test installed its one-shot throwing QR mock: the leaked handler consumed it, failed into the serve catch, and hit the mocked process.exit as an unhandled rejection, while the victim test's own handler got the default mock and parked in blockForever until its timeout. On Linux an unhandled rejection fails the whole vitest run without attributing a failure line to any test — the signature behind the per-commit main CI failure #11414 (the same mechanism diagnosed on #11346 and #11363, whose fixes never landed on main). Wait out the pairing phase before the test returns, the same quiescence the neighbouring Local Control tests already perform. Reproduced with a forced race window (a delayed enable): unfixed, the run dies with an unhandled 'process.exit(1) called' rejection; fixed, the file is green. Fixes #11414
Autofix E2E Report — Issue #11414What failedMain-branch CI run 34289483217 on 422929b failed the Root cause
The same mechanism was diagnosed twice before for the same step and the same per-commit signature — issues #11346 and #11363 — but main never received the fix, so the hazard was still live at 422929b and at current HEAD. Both earlier fixes are still open as PRs #11362 and #11376 and carry the identical three-line quiescence; whichever PR lands first resolves the hazard and turns the others into no-ops, and this PR keeps the fix tracked against #11414. Two neighbouring Reproduction (forced race window)The wild race is load-dependent (the leak must survive the inter-test boundary), so I forced the window open deterministically in a temporary probe: delay the first test's
FixOne change in Verification
Integration tests were not run: the change is a unit-test-only quiescence wait and exercises no bundled-CLI or integration-harness behaviour. CI remains the final verification gate. 中文说明故障现象主分支 CI 运行 34289483217(提交 422929b)在 根因
同一机制此前已被诊断过两次,同样是该步骤、同样是按提交签名——issue #11346 和 #11363——但 main 从未合入该修复,因此该隐患在 422929b 和当前 HEAD 上仍然存在。此前的两个修复仍以 PR #11362 和 #11376 的形式处于 open 状态,且携带完全相同的三行静默改动;任意一个先合入即可消除该隐患,其余的随即成为空改动,本 PR 则让该修复同时被 #11414 追踪。同一文件中相邻的两个 复现(强制竞态窗口)野外竞态依赖负载(泄漏必须跨越测试边界存活),因此我用一个临时探针确定性地撑开了窗口:把第一个测试的
修复内容仅改动 验证
未运行集成测试:本次改动仅为单元测试的静默等待,不涉及任何打包 CLI 或集成测试框架的行为。CI 仍是最终验证关卡。 🧠 Handled by Qwen Code · model/模型 |
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Re-run at head Template looks good ✓ — every heading present, Problem: the problem this PR says it fixes does not exist.
@yiliang114 reached the same conclusion on the thread at 11:42Z on 09-09 and closed #11414 by hand. What remains is a different claim — that the Stage 1-pre: #11414 is Direction: aligned — CI and test robustness, no product surface, no public contract. Size: not applicable. One Approach: the code is minimal and I have nothing to add to it — three lines, one hunk, no drive-by edits, and it matches the neighbouring Risk: no elevated risk signals — the only changed file is a Not approving, and not submitting a second 中文说明在 head 模板完整 ✓ —— 所有标题齐全， 问题：本 PR 声称要修的问题并不存在。
@yiliang114 在 09-09 11:42Z 于讨论串中得出了同样的结论，并手动关闭了 #11414。 剩下的是另一个主张——即 Stage 1-pre：#11414 为 方向：对齐 —— 属于 CI 与测试稳定性，不涉及产品行为，也不涉及对外契约。 规模：不适用。唯一改动的 方案：代码是最小的，我无可补充——三行、一个 hunk、没有夹带顺手修改，并且与 风险：无升级风险信号 —— 唯一改动的文件是 不批准，也不提交第二条 — Qwen Code · qwen3.8-max-2026-09-02 Reviewed at |
Code reviewIndependent proposal first. From the title alone — quiesce a fire-and-forget handler across tests — I expected one of two shapes: a wait at each leaking call site, or a structural fix to The three lines are correct — I traced them instead of trusting the body. No AGENTS.md violations. No new abstraction, no duplication, no formatting churn, nothing unrelated, nothing outside this one test file. The added comment states the why, which is the non-obvious part. Two nits, neither blocking: the PR title says "Correct" is not the same as "needed", and that's the finding. The wait guards a window that on current Whether consistency hardening that is provably inert today is worth merging is a maintainer call, not a gate call; the neighbouring QR waits already on Test evidenceUnattended CI run (
24 checks on For contrast, the log this PR cites as its evidence — run 34289483217, job 102272630674 on Not verified by me: that deleting the three lines reproduces a failure. Green CI cannot show it — the suite passes identically without them — and on the CI path I don't run PR code. Sandboxed verification would normally be the lane to name here, and it is 中文说明代码审查先说我的独立方案。 仅从标题看——让一个 fire-and-forget 的 handler 在"多个测试之间"静默——我预期会是两种形态之一：在每个泄漏调用点加等待，或者对 这三行是正确的——我是顺着代码走通的，没有采信正文。 无 AGENTS.md 违规。没有新增抽象、没有重复代码、没有格式化噪声、没有无关内容，改动也没有超出这一个测试文件。新增的注释说明了为什么，而那正是不显然的部分。两个不值得阻塞的小问题：仅测试改动却在 PR 标题用 "正确"不等于"必要"，而这正是发现所在。 这处等待守护的窗口，在当前 一个可证明今天无效的"一致性加固"是否值得合入，是维护者的判断，不是门禁的判断； 测试证据无人值守 CI 运行（
作为对照，本 PR 引作证据的那份日志——run 34289483217，任务 102272630674， 未由我验证：删掉这三行能否复现故障。绿色 CI 无法说明——没有它们套件同样通过——而在 CI 路径上我不运行 PR 代码。这类情况通常应当点名沙箱验证通道，也就是 — Qwen Code · qwen3.8-max-2026-09-02 Reviewed at |
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Confidence: 2/5 — the three lines are correct and CI is fully green at this head, and I'd merge them tomorrow on a body that told the truth; as submitted the PR still certifies a fix for a CI failure its own diff cannot produce, so I'm not approving. Re-run at head What's new: @qqqys re-ran the critical-only scan at this exact head ( The finding, verified myself rather than adopted from the thread. The body still carries
So the honest description of this change is consistency hardening: correct, bounded, matching the neighbouring QR waits, and provably inert on today's Why this run defers rather than requests changes. The verdict is request-changes, and it already exists: this account's Not re-litigated. Stage 1 (gate) and Stage 2 (code review + CI evidence) above were written at this same head against this same body and diff, so I re-confirmed their inputs instead of rewriting them: no core paths, 0 production logic lines, no high-risk path match, The one remaining action, for any maintainer with write access: apply the paste-ready replacement body already posted in the autofix round report — drop 中文说明信心度：2/5 —— 这三行代码是正确的，该 head 上 CI 全绿，如果正文如实描述我明天就会合入；但按当前提交状态，PR 仍然在为一次它自己的 diff 不可能造成的 CI 失败背书，所以我不批准。 在 head 新进展： @qqqys 在这个 head 上重跑了 critical-only 扫描（ 我自己核实（而非从线程采信）的发现。 正文两种语言都仍写着
因此对这个改动的如实描述是一致性加固：正确、有界、与相邻的 QR 等待一致，并且在今天的 为什么本轮选择 defer 而不是 request changes。 裁决就是 request-changes，而它已经存在：本账号的 未重新审理的部分。 上方的 Stage 1（门禁）与 Stage 2（代码审查 + CI 证据）是在同一个 head、同一份正文与 diff 上写就的，所以我复核了它们的输入而没有重写：无核心路径、生产逻辑行数为 0、无高风险路径命中、 唯一剩余的动作，任何有写权限的维护者均可执行：直接采用 autofix 轮次报告中已给出的可粘贴替换正文——在两种语言中都删掉 — Qwen Code · qwen3.8-max-2026-09-02 Reviewed at |
Local verification report — PR #11417I built a real two-arm environment for this PR, ran it, and then went back to the CI evidence behind the linked issue. Short version: the three added lines are correct and measurably buy something — I reproduced the leak they close, twice, including once with no source mutation at all. But the issue they are attributed to has a different, deterministic root cause that is already fixed on main. My recommendation is to merge the change with a corrected description, not to merge it as the fix for #11414. Environment
1. What the change buys — measured1.1 Forced-race A/BI applied the same mutation to both arms (Local Control
Same outcome under CI's
1.2 It also reproduces with no source mutation at allUnmodified tree in both arms, under CPU contention:
One natural hit in 70 BASE runs, zero in 70 HEAD runs. Rare — but the failing run is the forced-race signature exactly: victim-test timeout and
1.3 Baseline and static gates
1.4 The added wait cannot hangOn this path 2. Where the PR's reasoning does not hold2.1 Run 34289483217 did attribute its failureThe archived job log (job Running the repo's own extractor over that log names both tests: The per-commit fallback came from a log-download race, not from an unattributable failure. The issue-filer job ( That web-shell
2.2 None of the four cited runs is this leak
All four issue-filer runs logged the same 2.3 This leak cannot produce a "no
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| 主机 | Linux 6.12.63 x86_64，16 核；Node v22.22.2、npm 10.9.7、vitest 3.2.7（锁文件版本） |
| BASE 臂 | origin/main @ 3a75f37ef5 |
| HEAD 臂 | 3a75f37ef5 + cherry-pick a2420452fd → f3282fcf38 |
| 隔离 | 两个独立 git worktree，各自的 node_modules，各自构建 acp-bridge、web-shell、web-templates 与全部九个 channel 包的 dist/ |
packages/cli/src/commands/serve.test.ts 与 packages/cli/src/commands/serve.ts 在本 PR 的 merge base d670d47efe 与当前 main 之间逐字节一致，因此两臂只差 PR 的这三行。
1. 这个改动买到了什么——实测
1.1 强制竞态 A/B
我把同一份变异同时打到两臂（forwards --token and --allow-origin … 的 Local Control enable() 延迟 100 ms 解析，closes the daemon when pairing output fails 延迟 1000 ms），在 packages/cli 下跑 npx vitest run src/commands/serve.test.ts：
| 臂 | 退出码 | 结果 |
|---|---|---|
| BASE | 1 | closes the daemon when pairing output fails 停在 blockForever，15 s 测试超时失败；另有 Unhandled Rejection: Error: process.exit(1) called，栈经过 handler src/commands/serve.ts:982 |
| HEAD | 0 | 70 通过，无未处理错误 |
加上 CI 的 --retry=2 结论相同：BASE 三次尝试全失败，HEAD 通过。
1.2 不做任何源码变异也能复现
两臂均为未改动的代码树，在 CPU 争用下：
| 争用配置 | BASE | HEAD |
|---|---|---|
每臂 30 次，taskset -c 0,1 + 同核 6 个忙等竞争者 |
29 通过，1 失败（第 9 次） | 30 通过，0 失败 |
| 每臂 40 次，各占一个被争用的核 + 2 个竞争者 | 40 通过，0 失败 | 40 通过，0 失败 |
BASE 70 次中自然命中 1 次，HEAD 70 次中 0 次。概率低——但失败那次的签名与强制竞态完全一致：受害测试超时加上 Unhandled Rejection: process.exit(1) called。所以这个隐患在今天的 main 上是活的，不只是理论上的，本 PR 确实把它堵住了。
1.3 基线与静态门
- 无争用时两臂均 70/70。
- 对改动文件
eslint --max-warnings 0通过；prettier --check通过。 - 两臂做差分
tsc -p packages/cli --noEmit：错误集合完全一致（各 2023 行；其中 1442 行在src/ui/opentui/*，来自我本地依赖农场缺少的@opentui类型，另有 1 条@qwen-code/channel-dws的TS2307与 2 条未构建audio-capture的TS6305——都是环境产物）。没有一条涉及serve.test.ts。
1.4 新增的等待不会挂住
这条路径上 startLocalControl 必然走到 qrcode.generate——mock 的 handle 是 webShellMounted: true，getLocalControl().enable() 解析出带 url 的状态——所以被等待的调用是无条件发生的，何况 vi.waitFor 本身有上限。相邻的两个 Local Control 测试早已带着同一行。
2. PR 的推理在哪里不成立
2.1 run 34289483217 其实是有归属的
那次失败作业（job 102272630674）的归档日志现在可以下载，里面有 6 条 FAIL 行，全部是 App.test.tsx > App session callbacks > does not rerender App for other split sessions，根因是 App.test.tsx:28940 的 ReferenceError: mockUseDaemonActivePromptBridge is not defined。该未定义符号在 422929b3a7 上确实还在。整份日志里 process.exit(1) called 出现 0 次。
用仓库自己的提取器跑这份日志，两个测试都能识别出来：
$ node .github/scripts/ci/main-failure-signature.mjs analyze \
--workflow "Qwen Code CI" --jobs failed-jobs.tsv ci-job.log | jq -r '.tests[].id'
App.test.tsx > App session callbacks > does not rerender App for other split sessions (outer pending: false)
App.test.tsx > App session callbacks > does not rerender App for other split sessions (outer pending: true)
按提交追踪的兜底并不是因为失败无法归属，而是因为日志下载抢跑。开 issue 的那个作业（102277172988）在运行结束 36 秒后记录了：
Failed jobs: 1
##[warning]Could not download the log of job 102272630674
Failing tests identified: 0
那个 web-shell 的 ReferenceError 已由 #11406 修复，合入为 3a75f37ef5——也就是当前 main 的 HEAD。所以 #11414 已经在 main 上被另一个改动修好了，本 PR 正文里的 Fixes #11414 会把它按错误的提交自动关闭。
2.2 被引用的四次运行没有一次是这个泄漏
| issue | run | 实际失败的是什么 |
|---|---|---|
| #11346 | 34197708856 | cli 的 1017 个测试文件全部通过；运行死于负载约 160 时的 Error: [vitest-worker]: Timeout calling "onTaskUpdate" |
| #11363 | 34207166214 | src/serve/capabilities-docs-contract.test.ts > … keeps the daemon index capability counts in sync（确定性失败；该测试在今天的代码树上已通过） |
| #11404 | 34257817936 | 同一个 App.test.tsx ReferenceError |
| #11414 | 34289483217 | 同一个 App.test.tsx ReferenceError |
四份作业日志里 process.exit(1) called 均出现 0 次。
四次开 issue 的作业都记录了同样的 ##[warning]Could not download the log of job … 以及随后的 Failing tests identified: 0（作业 102277172988、102182712398，以及 filer run 34201070808 / 34209871251 上的两个）。其中三次的归档日志确实指名了失败测试；只有 #11346 那次运行本来就没有 FAIL 行——因为没有任何测试失败。
2.3 这个泄漏不可能产生"没有 FAIL 行"的运行
它一旦触发，受害测试的 handler 永远不会 settle（它走到 blockForever），因此该测试会以 15 s 测试超时失败，vitest 必然打印一条指名它的 FAIL 行——我做的每一次复现都是如此，加不加 --retry=2 都一样。所以"日志里没有 FAIL 行 ⟹ 就是这个泄漏"这条推理两个方向都不成立，PR 的因果链需要换成 §1 里那套实测论据。
3. 非阻塞观察
N1 —— 本 PR 自己的 CI Test 作业正是挂在真实根因上。 run 34296692250、job 102294835954：同样那两个 App.test.tsx 失败。分支从 d670d47efe 分出，早于 #11406。rebase 到当前 main 应该就绿了。
N2 —— 同一类的第二个 handler 仍未静默。 applies authenticated open before the yargs path starts the daemon 在其 handler 正要进入 maybeOpenWebShellBrowser 时就返回了，而紧接着的下一个测试断言 expect(mockOpenBrowserSecurely).not.toHaveBeenCalled()。只把该 handler 的 runtimeReady 延迟 50 ms（下一个测试延迟 200 ms），两臂都会以 expected "spy" to not be called at all, but actually been called 1 times 同样失败。逐点加等待可行，但结构性的做法大概是让 startServeHandlerWithArgs 保留 handler 的 promise 并在 afterEach 里收尾，这样以后的测试就不必"记得"了。
N3 —— 这道守卫的预算就是 vi.waitFor 的 1 s 默认值。 在 HEAD 臂上加大注入的配对延迟：500 ms、900 ms 通过；到 1100 ms 时等待本身失败（expected "spy" to be called at least once），并且原来的泄漏又回来了。这不算回归——相邻两个测试同样是 1 s 预算，而且被等待的是 mock 模块上的微任务——但显式写 { timeout: 5000 } 可以把这个悬崖去掉。
N4 —— 现在有三个 open PR 带着逐字节相同的 hunk。 #11362、#11376 和本 PR。#11376 里那处 capability 文档计数的 hunk 已不在其 diff 中（该契约测试在今天的代码树上通过），所以三者等价：合一个，另外两个按重复关掉。
建议
代码可以合——泄漏是真的，这个改动确实堵住了它。合入前请：
- rebase 到当前 main（修掉红掉的 Test 作业，见 N1）；
- 把
Fixes #11414改成普通引用，并把"没有FAIL行"那套论据换成实测论据——泄漏不需要任何变异就能复现，只是它并不是 Main CI failed: Qwen Code CI on 422929b3a7df #11414 / Main CI failed: Qwen Code CI on 0d1e0fbfa6f3 #11346 / Main CI failed: Qwen Code CI on cffc40495a34 #11363 / Main CI failed: Qwen Code CI on 70cf3633950b #11404 所记录的那件事； - 关闭 Main CI failed: Qwen Code CI on 422929b3a7df #11414 并指向
3a75f37ef5，同时把 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 / fix(cli): quiesce serve test leak and sync capability doc count (#11363) #11376 作为重复关掉。Main CI failed: Qwen Code CI on 0d1e0fbfa6f3 #11346 是另一码事——那次运行死于负载下的 vitest-worker RPC 超时，本 hunk 和 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 的 hunk 都不是它的修复。
另外，main-ci-failure-issue.yml 的维护者值得看一眼：抓取作业日志会与日志归档抢跑——这四次运行全部中招——从而把一次完全可归属的失败悄悄降级成按提交追踪的 issue。就这一行 warning，衍生出了 4 个 issue 和至少 3 个 autofix PR。在 gh api …/logs 调用外面加一层短重试/退避，大部分都能避免。
Verified locally with Claude Code (Opus 5, 1M context). All numbers above come from runs on the machine described in the Environment table; screenshots are unedited renderings of the captured terminal output.
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Partially reviewed — gaps disclosed.
Not reviewed: reverse audit — stopped before round 1 by the review time budget.
Test Plan (not a blocker): src/commands/serve.test.ts — no such file or directory; 70 tests pass — this review observed 29275 passed.
中文说明
仅完成部分审查，审查缺口已披露。
未审查：反向审计——评审时间预算不足，未能开始第 1 轮。
Test Plan（非阻断）：src/commands/serve.test.ts — no such file or directory; 70 tests pass — this review observed 29275 passed。
— qwen3.8-max via Qwen Code /review (v0.23.1)
| // Wait out the fire-and-forget handler's pairing phase so it cannot | ||
| // consume the one-shot QR mock the next test installs. | ||
| await vi.waitFor(() => expect(mockQr.generate).toHaveBeenCalled()); |
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[Critical] R1-1: [certifies-falsely] [new-surface] Fixes #11414 certifies a fix for a CI failure this diff never touches: run 34289483217 died in packages/web-shell, not packages/cli, and the defect that killed it is still live at the reviewed commit and is fixed on main by a commit this branch did not contain.
Issue #11414 names exactly one observable — the Test (ubuntu-latest, Node 22.x) job of run 34289483217 failing in step Run tests and generate reports at commit 422929b3a7. That run's only failed job shows packages/cli fully green, including serve.test.ts itself, with zero occurrences of process.exit(1) called and no vitest unhandled-error section anywhere in the 2.8 MB log; the exit 1 came from packages/web-shell/client/App.test.tsx failing two tests with ReferenceError: mockUseDaemonActivePromptBridge is not defined. So the QR-mock mechanism the description narrates did not fire in the run the issue tracks, and at the reviewed commit those two web-shell tests still fail with the same ReferenceError.
The head moved while this review ran, and it changes part of this. The review is pinned to a2420452; the PR is now at fbabbff9, a merge of main into the branch, which does bring in 3a75f37ef5 — so the rebase half of the remedy below is already done and the witness line about ancestry is true of a2420452, not of the new head. What still stands at the new head: the three added lines are not what fixes the failure #11414 names (the merge is), and the Fixes #11414 trailer still auto-closes that issue on the strength of them.
The three added lines are sound test hygiene in their own right and match the pattern already at lines 548 and 593; what is wrong is the certification, not the wait.
Witness:
gh api repos/QwenLM/qwen-code/actions/runs/34289483217/jobs
-> only failure: job 102272630674 "Test (ubuntu-latest, Node 22.x)" @ 422929b3a7
log:8638 ✓ src/commands/serve.test.ts (70 tests) 3094ms
log:10337 Test Files 1022 passed (1022) <- packages/cli
log:10338 Tests 29272 passed | 90 skipped (29362)
log:24171 FAIL App.test.tsx > App session callbacks > does not rerender App
for other split sessions (outer pending: false) [x3 retries]
log:24177 -> mockUseDaemonActivePromptBridge is not defined
log:24189 Test Files 1 failed | 287 passed (288) <- packages/web-shell/client
log:24190 Tests 2 failed | 6710 passed (6712)
log:24198 npm error workspace @qwen-code/web-shell@0.23.1 ... command failed
log:25772 ##[error]Process completed with exit code 1.
whole-log counts: grep -c "FAIL " = 6 (all App.test.tsx)
grep -c "process.exit(1) called" = 0
reproduced at the reviewed commit a2420452:
cd packages/web-shell && npx vitest run client/App.test.tsx \
-t "does not rerender App for other split sessions" -> exit=1
ReferenceError: mockUseDaemonActivePromptBridge is not defined
28940| expect(mockUseDaemonActivePromptBridge).toHaveBeenCalled();
ancestry at a2420452:
git merge-base --is-ancestor 3a75f37ef5 HEAD -> NO
git merge-base --is-ancestor 3a75f37ef5 origin/main -> YES
main run 34293888879 on 3a75f37ef5 -> success
Suggested fix: keep the three lines if the serve-test quiescence is wanted, but re-scope the claim — drop the Fixes #11414 trailer and the "Main CI keeps dying … filed as #11414 against 422929b" root-cause paragraph, and present the change as hygiene for a hypothesised hazard rather than the fix for that run. #11414 is closed by the web-shell fix that actually resolved it, which the merge has now brought into the branch. Since #11362 and #11376 carry a byte-identical diff, picking one and closing the other two is the maintainer decision here.
A rebase or merge must not resurrect the undeclared identifier: main's 3a75f37ef5 already replaced those exact lines, changing expect(mockUseDaemonActivePromptBridge).toHaveBeenCalled() and mockUseDaemonActivePromptBridge.mockClear() to the mockUseDaemonSessionActivityBridge equivalents at packages/web-shell/client/App.test.tsx:28938-28944, so the branch has to carry that commit's version.
The tests that pin this are packages/web-shell/client/App.test.tsx → App session callbacks > does not rerender App for other split sessions (outer pending: false) and (outer pending: true): they are red with ReferenceError: mockUseDaemonActivePromptBridge is not defined without 3a75f37ef5 and green with it, so please confirm that mutation — drop that commit and check both tests red.
中文说明
[Critical] R1-1:Fixes #11414 声明修复了一个本 diff 根本没有触及的 CI 失败:run 34289483217 崩溃在 packages/web-shell,而不是 packages/cli;真正导致该次失败的缺陷在被审查的提交上依然可以复现,而修复它的提交当时在 main 上、却不在本分支里。
issue #11414 只记录了一个可观测事实 —— run 34289483217 的 Test (ubuntu-latest, Node 22.x) 任务在 Run tests and generate reports 步骤失败,提交为 422929b3a7。该 run 唯一失败的任务日志显示 packages/cli 全绿(包含 serve.test.ts 本身),整份 2.8 MB 日志里 process.exit(1) called 出现 0 次,也没有任何 vitest unhandled-error 段落;退出码 1 来自 packages/web-shell/client/App.test.tsx 的两个测试失败,报错是 ReferenceError: mockUseDaemonActivePromptBridge is not defined。也就是说,PR 描述里叙述的 QR mock 机制在该 issue 追踪的那次运行中并没有发生;而在被审查的提交上,那两个 web-shell 测试仍以同样的 ReferenceError 失败。
本次审查期间分支 head 发生了移动,这改变了结论的一部分。 审查锚定在 a2420452;PR 现在位于 fbabbff9,是一次把 main 合入分支的 merge,它确实带进了 3a75f37ef5 —— 因此下面修复建议中的 rebase 部分已经完成,证据里关于祖先关系的那一行是对 a2420452 成立、而不是对新 head 成立。在新 head 上仍然成立的部分是:新增的三行并不是修复 #11414 所指失败的东西(真正带来修复的是那次 merge),而 Fixes #11414 这个 trailer 仍然会凭这三行自动关闭该 issue。
新增的三行本身是合理的测试卫生改动,与 548 行、593 行已有的写法一致;有问题的是这个"已修复"的声明,而不是这处等待。
建议的修复:如果确实想要这处 serve 测试静默等待,可以保留这三行,但请重新界定声明 —— 去掉 Fixes #11414 以及"Main CI keeps dying … filed as #11414 against 422929b"这段根因描述,把本改动表述为针对一个推测性隐患的测试卫生改动,而不是那次失败的修复。#11414 应由真正解决它的 web-shell 修复来关闭,而那次 merge 现在已经把该修复带进了分支。由于 #11362 与 #11376 携带逐字节相同的 diff,此处该做的是选定一个、关掉另外两个,这属于维护者决策。
rebase 或 merge 时不得让那个未声明的标识符复活:main 的 3a75f37ef5 已经替换了那几行,把 expect(mockUseDaemonActivePromptBridge).toHaveBeenCalled() 和 mockUseDaemonActivePromptBridge.mockClear() 改为 mockUseDaemonSessionActivityBridge 的对应写法(见 packages/web-shell/client/App.test.tsx:28938-28944),因此分支必须携带该提交的版本。
能钉住这一点的测试是 packages/web-shell/client/App.test.tsx 中的 App session callbacks > does not rerender App for other split sessions (outer pending: false) 与 (outer pending: true):在没有 3a75f37ef5 时它们以 ReferenceError: mockUseDaemonActivePromptBridge is not defined 失败,包含该提交后转绿 —— 请据此确认该变异:去掉那个提交,这两个测试应当变红。
— qwen3.8-max via Qwen Code /review (v0.23.1)
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Confirmed — this finding is correct, and maintainer log analysis in [ic:5599890530] corroborates it: serve.test.ts passed in run 34289483217, and #11414 was a packages/web-shell ReferenceError already fixed on main by #11406. The resolution is a PR-body edit (drop Fixes #11414, reference it as context instead), which this round cannot perform: the agent has no GitHub credentials and the PR title/body are workflow-owned metadata. Escalated as a maintainer action before merge — leaving this thread open so the request stays visible.
…11417) The 'applies authenticated open before the yargs path starts the daemon' test returned as soon as runQwenServe had been called while its fire-and-forget handler continued into maybeOpenWebShellBrowser. A slow runtimeReady lets that handler's openBrowserSecurely call land after the next test's clearAllMocks, failing its not.toHaveBeenCalled assertion. Wait out the browser-open phase, the same quiescence the neighbouring Local Control tests already perform. Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
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🤖 Addressed the latest review feedback (round 1/10). What changed, and what I pushed back on: · 已处理最新评审反馈（第 1/10 轮）。改动内容与我反驳保留之处如下： Autofix round summary — PR #11417What changedOne commit, Feedback dispositions[rv:5149104112] / [rc:3964084627] — Critical R1-1:
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： Autofix round — PR #11417: no actionOutcomeNo code change this round; nothing committed. The only feedback newer than the last evaluation (2026-09-09T04:04:31Z) is an automated review-infrastructure timeout notice, which carries no actionable code finding. Feedback triage1. Issue-level comment
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@qwen-code /triage |
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Sandboxed verification: ❌ not passed — findings reported (agent verdict) - workflow run Ran the PR in an isolated, token-free container: A/B against the base build, mock-free harness assertions, targeted gates. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 38 passed · 0 failed · 38 total Flakiness gate: ✅ 1 changed test file(s) x 5 identical rounds, no divergence 中文 — 判定：❌ 不通过 · 报告了发现（agent 判定）沙箱验证在隔离、无凭证的容器中执行了该 PR 的代码（与 base 构建 A/B 对照、无 mock harness 断言、定向门禁）。仅作为评审证据，不构成评审、批准或 CI 检查。 脚本断言：38 通过 · 0 失败 · 38 总计 抖动门：✅ 1 changed test file(s) x 5 identical rounds, no divergence Verification reportPR #11417 deep verification —
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| cell | forced race | oracle | expected | actual |
|---|---|---|---|---|
| base-none | none | suite exit + counts | pass | pass, 70/70 |
| head-none | none | suite exit + counts | pass | pass, 70/70 |
| base-qr | enable() +100 ms in test 613, +1000 ms in test 646 |
exit code, unhandled rejection, victim name | fail | fail: exit 1, Tests 1 failed | 69 passed, Unhandled Rejection: Error: process.exit(1) called with stack handler src/commands/serve.ts:982 → the victim's spy at serve.test.ts:672; victim closes the daemon when pairing output fails timed out at 15000 ms (02-base-qr-unhandled-rejection.png) |
| head-qr | same | suite exit + counts | pass | pass, 70/70 |
| base-browser | runtimeReady +100 ms in test 417, +400 ms in test 440 |
exit code, failing assertion | fail | fail: exit 1, AssertionError: expected "spy" to not be called at all, but actually been called 1 times at serve.test.ts:457, victim prints the authenticated manual URL on the yargs headless path (03-base-browser-notcalled-failure.png) |
| head-browser | same | suite exit + counts | pass | pass, 70/70 |
6/6 cells matched prediction. Each hunk is proven load-bearing by its own race cell (the base arm is the revert of both hunks, but the QR race only exercises hunk B and the browser race only hunk A), so neither wait is vacuous and neither is redundant.
The base-qr stack is the mechanism the PR body describes, observed rather than inferred: the handler leaked from test 613 consumed test 646's mockImplementationOnce throwing QR mock, fell into serve.ts's catch, and called process.exit(1) on a promise nobody awaited — which kills the whole Linux vitest run without attributing a failure line.
Secondary claim — the waits cannot hang
Both vi.waitFor calls use vitest's default 1000 ms cap. Measured natural duration of each awaited phase from census timestamps (harness/wait-margin.mjs), 05-waitfor-margin-unloaded-vs-loaded.png:
| awaited phase | unloaded (n=10: 5 head + 5 base runs) | under 96 burners / 64 cores, loadavg peak 138 (n=3, head) | cap |
|---|---|---|---|
openBrowserSecurely (test 417) |
min 3 / median 4 / max 10 ms | min 7 / median 16 / max 66 ms | 1000 ms |
qr.generate (test 613) |
min 3 / median 4 / max 4 ms | min 8 / median 31 / max 50 ms | 1000 ms |
≥93% headroom in the loaded regime. Both targets are also proven reachable by census: in 5/5 head runs the openBrowserSecurely call of test 417 and the qr.generate call of test 613 landed inside their own test, i.e. the awaited condition always occurs on these paths.
Corrections to the description
- The body understates the diff. It says "Adds one quiescence wait to a
serveunit test" and describes only the Local Control QR case, but the effectiveHEAD^1..HEADdiff adds two waits. The second (the authenticated-open /openBrowserSecurelycase) arrived in head commite7e2ecdfand is documented only in that commit's message. The Reviewer Test Plan likewise gives a recipe for the QR race only; the browser race's recipe exists only in the commit message. The title also still readsfix(cli)while the head commit istest(cli). This is a description-accuracy note, not a request to change code. - The pattern the PR copies is itself incomplete. The body says two neighbouring Local Control tests "already waited this way; this one was missed". True for
qr.generate— but one of those two neighbours (test 578,serve.test.ts:596) waits onqr.generateonly, which is precisely why it still leaks its browser phase (Finding 1). The established pattern quiesces the pairing phase, not the whole handler tail. - Confirmed, not corrected: the Linux-only fatality is corroborated by
packages/cli/vitest.config.ts(dangerouslyIgnoreUnhandledErrors: process.platform !== 'linux'), and the base arm lacking both waits confirms the body's claim that the earlier fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362/fix(cli): quiesce serve test leak and sync capability doc count (#11363) #11376 fixes never landed on main.
Findings
F1 — Suggestion (non-blocking): a third fire-and-forget handler in the same file is still unquiesced
serve rate limit env parsing > keeps Local Control pairing separate from the temporary primary token (serve.test.ts:578) starts its handler with --local-control --open-with-auth and waits only on qr.generate. Because serve.ts:850 computes const open = argv.open || openWithAuth, its handler then continues into maybeOpenWebShellBrowser with open === true and calls openBrowserSecurely — after the test has already returned.
Reproduce (harness/sibling-probe.mjs, which opens a deterministic window by delaying the second read of handle.runtimeReady, the only await between the QR phase and the browser phase):
node tmp/pr11417-verify-20260909-093056/harness/sibling-probe.mjs 3 60,150,400Result at HEAD: 9/9 runs, the call owned by test 578 landed in a different test's window — in test 613 at a 60 ms window, in test 708 at 150 ms, in test 794 at 400 ms (the landing test tracks the delay, the signature of a handler escaping its test). 04-sibling-leak-578-at-head.png. Positive control in the same runs: hunk A kept test 417's own call inside test 417 in 9/9 runs, and the suite stayed 70/70 in 9/9 runs.
Blast radius / why it is not blocking: no successor of test 578 asserts on openBrowserSecurely today, so nothing observes the leak — the suite is green in every probe run. It is the same class this PR exists to close, one test away from the test the PR just patched (at the 60 ms window the leaked call lands inside test 613). Latent, not harmless: this PR's own history is what a latent instance of this class does under CI load.
Measured one-line fix (applied in a scratch copy, not to the PR)
Add the same quiescence hunk A uses, after the QR wait in test 578:
await startServeHandlerWithArgs('--local-control --open-with-auth');
await vi.waitFor(() => expect(mockQr.generate).toHaveBeenCalled());
+ await vi.waitFor(() => expect(mockOpenBrowserSecurely).toHaveBeenCalled());Measured with FIX=1 node harness/sibling-probe.mjs 2 60,150,400: leak 9/9 → 0/6 (the call lands in test 578 in all 6 runs), suite 70/70 in all 6 runs, control unchanged. 06-sibling-leak-closed-by-one-line-wait.png. The suite is green both with and without the patch, so the fixture that would pin this is the probe itself (or a census-style landing assertion); ship the wait together with such a fixture if it is taken.
F2 — Nit: description/commit-metadata drift
See Corrections 1. The body, the Reviewer Test Plan and the title each describe one of the two changes the diff actually contains.
Not covered
- Per-commit attribution. The checkout is shallow:
git rev-list HEAD^1..HEAD^2yields 1 commit while$QWEN_VERIFY_CONTEXTlists 3 (a2420452,fbabbff9,e7e2ecdf); the first two are unreachable locally. I verified the aggregateHEAD^1..HEADdiff only. The metadata'sbaseRefOid(a5bc6c54…) is also not present locally; per the merge-ref contract I usedHEAD^1as the control. - The wild race itself. An unloaded census (5 runs per arm) recorded zero cross-test landings on both arms — the detector's negative control is negative, so the leak evidence above comes from forced windows only. This reproduces the mechanism under a constructed window, not the natural CI load condition that produced Main CI failed: Qwen Code CI on 422929b3a7df #11414. The loaded census (loadavg peak 138) also showed no wild leak; it was used for the wait-margin measurement.
- Wider suites. Only
packages/cli/src/commands/serve.test.tswas run (plus the repo-widenpm run typecheck). The rest ofpackages/cli, andserve/fast-path*.test.tswhich also importsserveCommand, were not run; the change is confined to one test file and vitest isolates per file, but that is an assumption, not a measurement. - The coverage-merge
ENOENTflake the body explicitly scopes out was not investigated. - macOS/Windows not tested (Linux only), matching the body's own table.
- Mutation matrix over production code: N/A — the PR changes no production code. Vacuity of the new waits is instead proven by the base arm being the revert, per hunk, above.
npm run buildwas not re-run; the workspacedist/was already built at HEAD and the changed file is test-only source consumed by vitest from TypeScript.
Methodology
Environment: node:22-bookworm CI verify container, merge-ref checkout (HEAD = merge commit, HEAD^1 = base tip, HEAD^2 = PR head), npm ci + npm run build pre-existing. Because the diff is one test file, the A/B swapped that single file between the base and head versions in place (byte-delta verified as exactly the six added lines) rather than rebuilding a worktree; every harness restores the pristine file in a finally, and git status --porcelain is empty at the end (asserted). harness/ab-driver.mjs runs the 6-cell matrix and encodes each cell's expectation, so a base-arm red counts as a passing assertion. harness/census.mjs records which test vitest considered current at each openBrowserSecurely/qr.generate call via a pass-through wrapper in the vi.mock factories — an implementation-based recorder and a parent-level afterEach both see nothing here, because the suite's afterEach calls vi.restoreAllMocks(), which wipes implementations and call history on bare vi.fn() mocks. harness/sibling-probe.mjs and harness/wait-margin.mjs build on that census. harness/verify-signatures.mjs re-derives all 38 assertions from the saved logs/TSVs so the counts are reproducible from this directory alone. Raw per-cell vitest output is in logs/ (base-*.log, head-*.log, probe-*.tsv, census TSVs under logs/unloaded/ and logs/loaded/, and the four *.stdout.txt run summaries); gate liveness for eslint was proven by planting two violations (both reported) and removing them.
Flakiness gate log
rounds=5 files=1 skipped=0
file packages/cli/src/commands/serve.test.ts: (cd packages/cli) npx --no-install vitest run ./src/commands/serve.test.ts
per-file results (P=pass F=fail I=infra-exit, one letter per run):
packages/cli/src/commands/serve.test.ts: PPPPP
verdict: pass
summary: 1 changed test file(s) x 5 identical rounds, no divergence
--- per-invocation detail (full copy in the artifact) ---
round 1 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 2 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 3 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 4 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 5 · packages/cli/src/commands/serve.test.ts: P (exit 0)
Evidence images
Harness scripts and raw logs are in the workflow run artifacts (7-day retention).
— Qwen Code · sandboxed verification
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Triage re-run completed without a new review.
The stage comments above were updated with the latest result. View workflow run. 上方各阶段评论已更新为最新结果。查看工作流运行。 |
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： Autofix round — PR #11417: no actionOutcomeNo code change this round; nothing committed. The only feedback newer than the last evaluation (2026-09-09T06:50:45Z) is an automated "sandboxed verification is running" status notice, and the one still-red check is the already-triaged review-runner timeout. Neither carries an actionable code finding. Feedback triage1. Issue-level comment
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Local runtime verificationI built a real A/B environment for this instead of reading the diff, and drove the two hazards it fixes until they fired. Verdict: the code change is right — merge it, but drop Harness
1. Both leaks are real — and the second one is not in the PR body
The mechanism reproduces verbatim, down to the stack frame: Using the PR's own recipe (leaker's
The second row is the head commit 2. The fair version of the experiment, and a sharp thresholdHand-picking a leaker/victim pair proves the mechanism but not the exposure, so I re-ran it as a uniform load model: every one of the 7
The flip is at exactly 50 ms, which is At 3. Why it is rare and unattributable in CI — measured, not assumed40 busy-loop processes on 16 vCPU, 1-minute load average 45–52 (the failing CI job ran at load 33.6), no artificial delay, 8 consecutive runs per arm: 0/8 failures on both arms, 0 unhandled errors. CPU pressure alone cannot do it. With every dependency stubbed by Cost of the fix on the unmodified file, 5 consecutive runs per arm: BEFORE 7.7–8.1 s, AFTER 7.7–8.0 s, 70/70 every time. No measurable cost. 4. Complete for its class, and neither wait can hang
22 tests use the fire-and-forget starter. After Two properties the new waits depend on, checked against vitest 3.2.7 rather than assumed:
Blast radius is exactly one test, as the body says: an unconsumed CI on this PR is green where it matters — 5.
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| 配对 | BEFORE | AFTER |
|---|---|---|
QR / mockQr.generate 一次性 mock |
exit 1 —— 1 failed，1 个未处理错误：process.exit(1) called |
exit 0 —— 70 passed |
浏览器打开 / mockOpenBrowserSecurely |
exit 1 —— expected "spy" to not be called at all, but actually been called 1 times → openBrowserSecurely("http://127.0.0.1:4170/#token=generated-token") |
exit 0 —— 70 passed |
第二行对应 head commit e7e2ecdf20（"quiesce the authenticated-open serve handler"），而 PR 描述从未提到它 —— 描述里仍然写着"增加一处静默等待"。同一类缺陷，同样真实，值得写进描述。
2. 更公平的实验版本，以及一个非常锐利的阈值
手工挑一对"泄漏方/受害方"能证明机制，但证明不了暴露面。所以我把它改成统一的负载模型：文件里 7 处 runtimeReady: Promise.resolve() 全部替换为 delayedPromise(D) —— 每个被 mock 的 daemon 都要 D 毫秒才 ready，不针对任何一个测试。
| D (ms) | 30 | 40 | 50 | 55 | 60 | 70 | 150 | 400 | 900 | 1200 |
|---|---|---|---|---|---|---|---|---|---|---|
| BEFORE | 通过 | 通过 | 1 failed | 2 failed | 2 failed +1 未处理 | 2 failed | 2 failed +1 未处理 | — | — | — |
| AFTER | — | — | 通过 | 通过 | 通过 | — | 通过 | 通过 | 通过 | 6 failed |
翻转点正好在 50 ms，也就是 vi.waitFor 的轮询间隔（vitest/dist/chunks/vi.bdSIJ99Y.js:3709：interval = 50, timeout = 1e3）。startServeHandlerWithArgs 等的是 mockRunQwenServe，它的第一次同步检查必然失败，于是 handler 白得约 50 ms 的领先；只有当 handler 自己在 runQwenServe 之后的那条链超出这个窗口，泄漏才变得可达。BEFORE 上失败的测试，恰好且仅仅是本 PR 静默的那两个，从 50 ms 到 150 ms 都是如此。
在 D = 1200 时 AFTER 臂有 6 个测试失败，全部是有界的 vi.waitFor 1000 ms 超时，其中两个是本 PR 之前就存在的等待。所以这 1 秒预算是既有模式的固有属性，不是本 PR 引入的；该修复对这个窗口内的停顿有约 900 ms 余量。
3. 为什么它在 CI 里罕见且难以归因 —— 实测而非推断
16 vCPU 上开 40 个忙等进程，1 分钟负载 45–52（失败的那次 CI job 负载为 33.6），不加任何人工延迟，每臂连跑 8 次：两臂都 0/8 失败，0 个未处理错误。单靠 CPU 压力做不到。当所有依赖都被 mockResolvedValue() 打桩后，handler 剩下的链全是微任务，总是在 50 ms 领先窗口内跑完。在 CI 里，这个间隙必须来自那个特定窗口内的真实停顿 —— GC 暂停、worker 被饿死、一次冷启动的 await import('qrcode-terminal')。这与"偶发且难以归因"的表现一致，也正是即使我在野外抓不到它、也值得把这个口子关掉的理由。
修复在未改动文件上的开销，每臂连跑 5 次：BEFORE 7.7–8.1 秒，AFTER 7.7–8.0 秒，每次都 70/70。无可测量开销。
4. 对这一类问题是完备的，且两处等待都不会挂死
22 个测试使用这个 fire-and-forget starter。runQwenServe 返回之后，只有当参数走到 startLocalControl（--local-control）或 maybeOpenWebShellBrowser（--open/--open-with-auth）时，handler 才会再碰共享 mock；其余 17 个（--no-web）直接落进 blockForever()，什么都不碰。共有 5 个 starter 留下了会碰 mock 的后续工作，本 PR 之后这 5 个全部静默 —— 其中 3 个原本就有等待，这 2 个是缺口。动态扫描也印证了这一点：文件里其他任何测试在两臂上都从未失败。grep -rn "void handler(" --include=*.test.ts packages/ 只有 1 个文件 2 处命中，说明这个模式在仓库里别无他处。
两处新等待所依赖的前提条件，我是对着 vitest 3.2.7 实测的，而不是假设：
status.url存在时，startLocalControl必然调用mockQr.generate（serve.ts:104），而 mock 总会给出一个 URL —— QR 那处等待不会挂死。mockOpenBrowserSecurely需要shouldLaunchBrowser() === true。后面有个测试用mockReturnValue把它翻成false，而vi.clearAllMocks()不会撤销这个实现 —— 但afterEach里的vi.restoreAllMocks()会把vi.fn(impl)重置回impl（我用独立探针验证过：下一个测试看到的是true）。所以这处等待与测试顺序无关地成立。- 万一将来有改动破坏了上述前提，最坏结果也只是一次有界、报错清晰的 1 秒失败，绝不会挂死 —— 这在
D = 1200时观测到了。
影响半径确实就是一个测试，与描述一致：未被消费的 mockImplementationOnce 单靠 vi.clearAllMocks() 是会存活的，但会被这个文件同样在 afterEach 里执行的 vi.restoreAllMocks() 清掉（两者我都直接探测过）。泄漏的 handler 只能污染紧随其后的那一个测试，污染不到更后面的。
本 PR 的 CI 在关键项上是绿的 —— Test (ubuntu-latest, Node 22.x) 通过、Lint & Static 通过 —— 所以 build/typecheck/lint 的说法成立。
5. Fixes #11414 是错的 —— 日志指向的是另一个失败
我用 gh api repos/QwenLM/qwen-code/actions/jobs/102272630674/logs 取到了那份 2.8 MB 的 job 日志：
✓ src/commands/serve.test.ts (70 tests) 3094ms—— 在 Main CI failed: Qwen Code CI on 422929b3a7df #11414 所对应的那次运行里，这个文件是通过的，整个packages/cli也是：1022 个文件、29272 个测试、0 失败。- 整份日志里唯一的
Failed Tests区块在packages/web-shell：App.test.tsx > App session callbacks > does not rerender App for other split sessions，ReferenceError: mockUseDaemonActivePromptBridge is not defined，位置App.test.tsx:28940。2 failed / 6710 passed。 grep -c "Unhandled Rejection"= 0；grep -c "process.exit(1) called"= 0。日志里不存在任何"无归属失败"—— 那次运行明确指出了文件、测试与错误。- 在
422929b3a7上，packages/web-shell/client/App.test.tsx使用mockUseDaemonActivePromptBridge三次、声明零次：这是一个确定性的缺失声明，不是竞态。git log -S显示它被3a75f37ef5移除 —— 即 fix(web-shell): Replace undefined mock in split rerender tests (#11404) #11406，"Replace undefined mock in split rerender tests (Main CI failed: Qwen Code CI on 70cf3633950b #11404)"，合并于 2026-09-09T00:10:49Z，比本 PR 开出早 40 分钟。它在main上已经不存在了。
所以描述里的前提（"主分支 CI 反复失败……且没有任何测试被标记为失败"）并不描述运行 34289483217。issue 正文那句"在任何测试结果被报告前就失败"是提单机器人的通用逐提交模板，而不是对这份日志的解读 —— 错误的根因大概就是这样被挂上去的。
合并前我建议改的
- 去掉
Fixes #11414（想保留可以只作为背景引用）。按现在的写法，合并会自动关闭一个本 PR 并未修复的 issue，并把 fix(web-shell): Replace undefined mock in split rerender tests (#11404) #11406 的功劳记到它头上。Main CI failed: Qwen Code CI on 422929b3a7df #11414 应该指向 fix(web-shell): Replace undefined mock in split rerender tests (#11404) #11406 来关闭。 - 更新描述：现在写的是"增加一处静默等待……不涉及生产代码改动"，而 head 实际加了两处；其中浏览器打开那处更容易被触发（它先炸，在 D = 50 ms）。值得补一句，并把标题改到真实主题上。
- 把 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 与 fix(cli): quiesce serve test leak and sync capability doc count (#11363) #11376 作为被涵盖项关闭 —— 两者都只带 QR 那一处，本 PR 是它们各自的严格超集。
- 后续项，不阻塞合并：这已经是同一隐患的第三个 PR，每次都手工修一个调用点，因此下一个漏加等待的 starter 会把口子重新打开。把静默逻辑收进 helper —— 让
startServeHandlerWithArgs接收它必须等到的可观测量，或者保留返回的 promise 并加一个通用afterEach断言"测试体返回后不再有共享 mock 被调用" —— 就能让第四次在结构上不可能发生。上面那个审计用的就是这个afterEach探针，可用。 - 小问题：仅测试的改动用了
fix(cli):标题；head commit 本身用的是test(cli):。
未验证部分
macOS 与 Windows（本 PR 上这两个 Test job 都是 skipping，而且 dangerouslyIgnoreUnhandledErrors 意味着这里"未处理 rejection"那一半在这两个平台上本来就不会失败）；真实 CI 条件下的野外竞态（16 次高负载运行中都没有触发 —— 这里所有复现都用了显式异步延迟）；以及描述中列为超出范围的 coverage/.tmp ENOENT flake，我没有触碰。
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Qwen Code review timed out. Qwen review timed out after 5400 seconds (of the 90-minute budget). For large PRs, retry with a longer timeout by commenting: |
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🔀 Base updated: red check(s) [review-pr] pass on current main — merged current main via update-branch; CI will re-run. 中文说明🔀 已更新 base：红色检查 [review-pr] 在当前 main 上通过 —— 已通过 update-branch 合入当前 main，CI 将重新运行。 |
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The linked issue #11414 is now closed as resolved by #11406. Run 34289483217 did not have an unattributed serve teardown failure: its only failed tests were the two Web Shell split-session cases with |
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@qwen-code /triage |
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🕐 Review received — an automatic review of the current head is still running, so this round is held until it lands (a push now would cancel it and discard its work, #8888). Your feedback stays queued for the next eligible round. 中文说明🕐 已收到评审 —— 当前 head 上仍有一轮自动 review 在运行，本轮暂缓（现在推送会取消该 review 并丢弃其工作，#8888）。反馈保持排队，等待下一次可运行的轮次处理。 |
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🔀 Base updated: red check(s) [review-pr] pass on current main — merged current main via update-branch; CI will re-run. 中文说明🔀 已更新 base：红色检查 [review-pr] 在当前 main 上通过 —— 已通过 update-branch 合入当前 main，CI 将重新运行。 |
Local re-verification at the current head — PR #11417 (round 3)My two earlier reports on this thread tested heads For the merge decision:
What changed since my last report
Environment
1. The PR's own Reviewer Test Plan no longer tells the arms apartI applied the body's recipe to both arms: the leaker's Local Control
The hazard the body describes is exactly the one #11362 already closed. Following the body's instructions today cannot validate this PR. 2. The hunk that would actually merge: forced-race A/B and mutants
To force the race, test A's
A probe log confirms the timeline. On BASE, test A returns with 0 calls and the call lands inside test B. On PR, the call lands inside test A (≈104 ms in), and A returns with 1 call. Both mutants wait on a side effect that happens before
3. Can it fire without an injected delay? Not on the current file
So this is defensive hardening that matches the neighbouring pattern. It becomes load-bearing the moment that window gains a real async step: a production
4. CI at this headEvery non-skipped check on Merge reference
Not validated
中文说明当前 head 的本地复验 —— PR #11417（第 3 轮）我在本线程之前的两份报告测的是 head 供合并决策参考：
自上次报告以来的变化
环境
1. PR 自己的 Reviewer Test Plan 已无法区分两臂我把描述里的方法施加到两臂：泄漏方的 Local Control
描述里写的隐患，正是 #11362 已经关掉的那个。今天照描述去做，无法验证本 PR。 2. 真正会被合入的那处 hunk：强制竞态 A/B 与变异体
为强制触发竞态，所有臂都让测试 A 的
探针日志印证了时间线。BASE 上，测试 A 返回时调用次数为 0，调用落在测试 B 内。PR 上，调用落在测试 A 内（约第 104 ms），A 返回时调用次数为 1。两个变异体等的都是发生在
3. 不注入延迟能触发吗？在当前文件上不能
所以这是与相邻测试一致的防御性加固。一旦那个窗口里出现真正的异步步骤，它就会变成承重件：比如生产代码在打开浏览器前多一个
4. 当前 head 的 CI
合并参考
未验证部分
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： 🤖 AutoFix round report — no code change; the one actionable item (rewriting the PR body) is a GitHub-side edit this loop cannot perform, so it is escalated here with a ready-to-paste replacement. Feedback triaged
Dispositions
Suggested replacement PR title
Suggested replacement PR body (ready to paste)## What this PR does
Adds a quiescence wait to the "applies authenticated open before the yargs path starts the daemon" serve-command test. That test's fire-and-forget handler still has the runtime-ready await and the secure browser-open call ahead of it when the test body returns, and the next test ends by asserting the browser-open mock was never called — so a delayed browser-open call from the first test would land directly on the second test's final assertion. The new wait blocks the first test on the handler's final side effect (the browser-open call itself) before it returns, closing the cross-test leak window. Mutant testing showed that waiting on either earlier side effect (the auth-application mock or the browser-launch-decision mock) still leaks; only the final effect closes the window.
## Why it's needed
Defensive hardening against cross-test mock leakage, matching the quiescence pattern the neighbouring tests already use for the QR/pairing phase. On the current file the whole chain from the serve invocation to the browser open completes within a single microtask drain, so the leak cannot fire today without a code change in that window — but the moment the window gains a real async step (a production await before the browser open, or a genuinely asynchronous runtime-ready mock), the leaked call would flake the next test's never-called assertion.
## Reviewer Test Plan
### How to verify
Force the race in packages/cli/src/commands/serve.test.ts on both arms (main, and main plus this PR): make the first test's runtime-ready promise resolve after ≥ ~70 ms (e.g. 100 ms) and the next test's after 400 ms, then run npx vitest run src/commands/serve.test.ts --coverage.enabled=false from packages/cli. Expected: on BASE the next test fails with "expected spy to not be called at all, but actually been called 1 times", because the leaked browser-open call lands inside it; on the PR arm all 70 tests pass, because the call lands inside the first test before it returns. Unmodified, both arms pass 70/70, and --sequence.shuffle with seeds 1–8 passes on both arms, confirming the new wait does not hang when test order changes.
### Evidence (Before & After)
N/A — test-only change; the forced-race recipe above is the evidence.
### Tested on
| OS | Status |
| :--------: | :--------------------------------: |
| 🍏 macOS | ✅ tested (70/70 pass) |
| 🪟 Windows | ⚠️ not tested |
| 🐧 Linux | ✅ CI Test (ubuntu-latest, 22.x) |
### Environment (optional)
N/A — unit tests only (vitest).
## Risk & Scope
- Main risk or tradeoff: none identified; test-only, and the wait targets an unconditional side effect on this path, so it cannot hang (vitest waitFor would time out loudly if the path regressed).
- Not validated / out of scope: local Windows run; the coverage/.tmp ENOENT flake is unrelated and unchanged.
- Breaking changes / migration notes: none.
## Linked Issues
Refs #11362 (sibling QR/pairing quiescence wait, already merged). Originally opened for #11414; that issue was closed for a different root cause, so this PR intentionally does not claim to fix it.
<details>
<summary>中文说明</summary>
## 本 PR 做了什么
在 "applies authenticated open before the yargs path starts the daemon" 这个 serve 命令测试中新增一处静默等待。该测试的 fire-and-forget handler 在测试体返回时，仍有 runtime-ready 的 await 和安全打开浏览器的调用未执行，而下一个测试以断言浏览器打开 mock 从未被调用结尾——因此第一个测试里延迟的浏览器打开调用会直接落在第二个测试的最后一个断言上。新等待让第一个测试在返回前阻塞在 handler 的最后一个副作用（浏览器打开调用本身）上，关闭跨测试泄漏窗口。变异体测试表明，等待两个更早副作用（鉴权应用 mock 或浏览器启动决策 mock）中的任何一个仍然会泄漏；只有最后一个副作用能关闭窗口。
## 为什么需要
这是针对跨测试 mock 泄漏的防御性加固，与相邻测试用于 QR/配对阶段的静默等待模式一致。以当前文件而言，从 serve 调用到打开浏览器的整条链在一次微任务清空内即可完成，所以今天不在该窗口内改动代码就不会触发泄漏——但一旦该窗口出现真正的异步步骤（生产代码在打开浏览器前多一个 await，或 runtime-ready mock 变为真正异步），泄漏的调用就会使下一个测试的"从未调用"断言抖动。
## 评审者测试计划
### 如何验证
在两臂（main，以及 main 加本 PR）的 packages/cli/src/commands/serve.test.ts 中强制触发竞态：让第一个测试的 runtime-ready promise 在 ≥ 约 70 ms（例如 100 ms）后解析、下一个测试的在 400 ms 后解析，然后在 packages/cli 下运行 npx vitest run src/commands/serve.test.ts --coverage.enabled=false。预期：BASE 上后一个测试失败，报 "expected spy to not be called at all, but actually been called 1 times"，因为泄漏的浏览器打开调用落入了该测试；PR 臂上 70 个测试全部通过，因为该调用在第一个测试返回前已落入其中。不做改动时两臂均为 70/70 通过，且 --sequence.shuffle 种子 1–8 在两臂都通过，说明新等待在测试顺序变化时不会挂死。
### 证据（前后对比）
N/A —— 仅测试改动；上述强制竞态方法即证据。
### 测试平台
| 操作系统 | 状态 |
| :--------: | :--------------------------------: |
| 🍏 macOS | ✅ 已测试（70/70 通过） |
| 🪟 Windows | ⚠️ 未测试 |
| 🐧 Linux | ✅ CI Test（ubuntu-latest，22.x） |
### 环境（可选）
N/A —— 仅单元测试（vitest）。
## 风险与范围
- 主要风险或取舍：未发现；仅测试改动，且等待目标在该路径上是无条件副作用，因此不会挂死（若该路径回归，vitest waitFor 会明显超时）。
- 未验证 / 超出范围：本地 Windows 运行；coverage/.tmp ENOENT flake 与本 PR 无关且未改动。
- 破坏性变更 / 迁移说明：无。
## 关联 Issue
Refs #11362（同源的 QR/配对静默等待，已合入）。本 PR 最初因 #11414 而开；该 issue 已因另一根因关闭，因此本 PR 有意不声称修复它。
</details>Verification
中文说明🤖 AutoFix 本轮报告 —— 无代码改动；唯一可执行项（重写 PR 描述）是本循环无权执行的 GitHub 侧编辑，因此在此升级移交，并附上可直接粘贴的替换文本。 已分诊的反馈
各项处置
建议的替换 PR 标题
建议的替换 PR 正文（可直接粘贴）见上方英文区块中的 markdown 代码块——该草案本身已按仓库模板双语齐备（内含完整中文折叠块），可直接整体粘贴。 验证
Base-conflict check · 基分支冲突检查: no conflict with main. · 与 main 无冲突。 🧠 Handled by Qwen Code · model/模型 |
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@qwen-code /triage |
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Sandboxed verification: ❌ not passed — findings reported (agent verdict) - workflow run Ran the PR in an isolated, token-free container: A/B against the base build, mock-free harness assertions, targeted gates. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 221 passed · 0 failed · 221 total Flakiness gate: ✅ 1 changed test file(s) x 5 identical rounds, no divergence 中文 — 判定：❌ 不通过 · 报告了发现（agent 判定）沙箱验证在隔离、无凭证的容器中执行了该 PR 的代码（与 base 构建 A/B 对照、无 mock harness 断言、定向门禁）。仅作为评审证据，不构成评审、批准或 CI 检查。 脚本断言：221 通过 · 0 失败 · 221 总计 抖动门：✅ 1 changed test file(s) x 5 identical rounds, no divergence Verification reportSandboxed verification: ❌ not passed — findings reported (agent verdict) — follow-up round 3 Ran the PR in an isolated, token-free container: an 18-cell A/B against the base build with a third reconstructed arm, a 63-run completeness census, a 13-rung escape ladder, and targeted gates with planted-violation liveness proofs. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 221 passed · 0 failed · 221 total Verified head: 中文摘要
Previous-finding status (round 2 → this head)Round 2 verified head
ScopeCentral claim — the single added Secondary claims — (a) the waited-for call always happens on this path, so the wait cannot hang within its cap; (b) the hazard class the PR family targets (a leaked handler consuming a later test's one-shot throwing mock and hitting the mocked The effective diff is exactly three added lines in one file. Central claim — A/B table18 cells: 3 build variants × 3 race configurations × 2 runs. The forced-race mutation is applied identically to every arm. The third arm matters this round. Round 2 could compare neither hunk against both. Now that hunk B is in the base, a two-cell A/B would leave the PR's own Test Plan recipe unexplained — so
18/18 cells matched their encoded prediction (37/37 assertions in this harness, including the surgery self-checks). A base-arm red is a passing assertion — the control is "the unfixed arm must fail". Reading it: hunk A is load-bearing. On the base arm the browser race fails 2/2 with exactly the assertion the next test makes about the leaked call, and head is 2/2 green; the The race is load-dependent, and this round measured how load-dependentEvery red cell above needed a forced window. So I measured the unforced case directly, with no delay injected anywhere and T417's handle URL sentinel-tagged
On this container, at this load, the race does not fire naturally on either arm. Hunk A is therefore hardening against a load-dependent race, demonstrated under a forced window — not a fix for a failure that reproduces here. That is the honest framing, and it matches the body's own "The wild race is load-dependent". The 3-round unforced flakiness gate saw no divergence ( Completeness sweep of the bug classA fix that closes one instance of a class gets its siblings swept, so every fire-and-forget test in the file (21 of 66 named
Three things this adds beyond the A/B. First, the channel-level A/B: on base, T417's Mutation matrix — is the new wait pinned by anything?The PR changes no production code, so vacuity is the question. Three single-point mutants of the same file, run against the unforced suite:
Targeted gates, and which of them are proven live
The eslint row is the point of running liveness proofs at all: an unmatched lint run and a passing one are indistinguishable from the exit code, and here the proof caught it. FindingsF-1 — Suggestion (non-blocking, against the description, not the code): the body, title and Test Plan all describe a change that is no longer in this PRThe diff is three lines adding a browser-open wait to
Why this is worth a reviewer's attention rather than being a wording nit. The body tells the maintainer: "whichever lands first resolves the hazard, and the others become no-ops." One of them did land. So the body's own instruction is to treat this PR as a no-op — while the A/B shows it is the only thing between base and a reproducible red cell, and the sweep shows it is what takes this file from 1 leaker to 0. The concrete failure mode is that this PR gets closed as superseded and hunk A is lost with it. Suggested resolution (description-only, no code change): retitle to F-2 — Nit (carried from round 2): "With both files unmodified" names two filesThe Test Plan's closing sentence reads "With both files unmodified, Corrections to earlier rounds (not requests to change code)
Not covered
MethodologyEnvironment:
Two harness iterations were discarded, each caught by an encoded control in the same harness rather than by inspection, and both are preserved: A/B iteration 1 ( Flakiness gate logEvidence imagesHarness scripts and raw logs are in the workflow run artifacts (7-day retention). — Qwen Code · sandboxed verification |
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@qwen-code /triage |
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Triage re-run completed without a new review.
The stage comments above were updated with the latest result. View workflow run. 上方各阶段评论已更新为最新结果。查看工作流运行。 |
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： Autofix round — no action neededNo actionable feedback arrived since the last evaluation (2026-09-10T20:02:46Z). Feedback triage:
Sanity check performed: the PR's net diff vs
No commits were made and the working tree remains clean. 中文说明Autofix 本轮 —— 无需处理自上次评估（2026-09-10T20:02:46Z）以来没有收到可处理的反馈。 反馈分类：
已执行的健全性检查： 该 PR 相对
本轮未创建任何提交，工作区保持干净。 Base-conflict check · 基分支冲突检查: no conflict with main. · 与 main 无冲突。 🧠 Handled by Qwen Code · model/模型 |
Maintainer verification — real local A/B on this branchI built a real environment for this PR (worktree at Verdict: the code change is correct, well-targeted and safe to merge. The PR body, however, describes a different change than the one on the branch, and What the branch actually contributesThe three-dot diff against The branch has two functional commits:
Findings1. (Important, docs) The body describes a change that is no longer in the diffThe body says "the That matters for review, because the Reviewer Test Plan is a recipe for the merged #11362 change, not for this one. I ran the body's recipe verbatim (Local Control
So a reviewer who follows the stated plan verifies
2. (Important)
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| gate | result |
|---|---|
npx vitest run src/commands/serve.test.ts (with PR) |
70/70, 8/8 consecutive runs |
npx vitest run src/commands/serve.test.ts (without PR) |
70/70 |
npm run typecheck |
exit 0 |
npm run lint |
exit 0 |
npm run build |
exit 0 |
npx vitest run src/commands (whole directory, with PR) |
170 files, 7098 passed | 19 skipped |
| PR CI | green |
Recommendation
Merge, after fixing the description. The change itself is a correct, bounded, well-scoped piece of test hardening with no measurable cost. But the record should match the code:
- rewrite "What this PR does" / "Why it's needed" to describe the
--open-with-auth→openBrowserSecurelywait; - replace the Reviewer Test Plan repro with one that exercises this diff (delay test A's
runtimeReady, not Local Control'senable()); - drop
Fixes #11414to a plain reference — Main CI failed: Qwen Code CI on 422929b3a7df #11414's mechanism is already closed by fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362, and leaving the trailer attributes that fix to the wrong commit, which will mislead whoever investigates the next recurrence of this CI signature.
All terminal captures, both reports and the harness notes live on wenshao/qwen-code@assets-pr11417.
中文版（点击展开）
维护者验证 —— 在本分支上做了真实的本地 A/B
我为这个 PR 搭了真实环境（worktree 检出到 6ca85e0b62，完整 npm ci（含 postinstall 的包构建），Node v22.22.2，vitest 3，Linux / 16 核），并通过在原位增删这三行来做 A/B 对比。
结论：代码改动本身正确、定位准确、可以安全合并。但 PR 描述写的是另一个改动，而且 Fixes #11414 并不由这份 diff 兑现。 请在合并前先更新描述。
本分支实际贡献了什么
相对 main 的三点 diff 是 applies authenticated open before the yargs path starts the daemon（packages/cli/src/commands/serve.test.ts:429）中的 3 行，等待的是 mockOpenBrowserSecurely。
分支上有两个实质提交：
| 提交 | 改动 | 相对 main 的净效果 |
|---|---|---|
a2420452fd |
在 forwards --token and --allow-origin 上等待 mockQr.generate |
无 —— main 已经通过已合并的 #11362（10895031e2，2026-09-09）拥有它 |
e7e2ecdf20 |
在 --open-with-auth 上等待 mockOpenBrowserSecurely |
这才是真正随本 PR 发布的改动 |
发现
1.（重要，文档问题）描述写的是已经不在 diff 里的改动
描述说「forwards --token and --allow-origin 这个 Local Control 测试现在会等待其 handler 的配对阶段」。而 diff 等待的是 --open-with-auth 测试的打开浏览器阶段。测试不同、mock 不同、阶段也不同。
这对评审有实际影响，因为 「审查者测试计划」是已合并的 #11362 的复现配方，不是本 PR 的。我逐字执行了描述里的配方（第一个测试的 Local Control enable() 延迟约 100 ms，下一个测试延迟约 1000 ms）：
- 移除已合并的 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 等待后 →
Unhandled Rejection: Error: process.exit(1) called，1 failed | 69 passed，Errors 1 error—— Main CI failed: Qwen Code CI on 422929b3a7df #11414 的失败签名与描述完全一致地复现； - 保留已合并的 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 等待（即当前
main，也是本分支的状态）→ 70/70 全绿、零未处理错误，无论本 PR 的三行是否存在。
也就是说，按照描述里的步骤去验证，验证的是 main，不是这个 PR。
2.（重要）Fixes #11414 夸大了这份 diff 的作用
#11414 的签名是由未处理的 process.exit(1) 导致的、无归属的整轮运行失败。本 diff 所封堵的泄漏不可能产生该签名：它唯一的出口是 openBrowserSecurely，而这个调用的所有失败路径都被 maybeOpenWebShellBrowser 自己的 try/catch 接住了。我直接验证过 —— 让泄漏的调用去消费下一个测试安装的一次性 mockOpenBrowserSecurely.mockRejectedValueOnce(new Error('leak-boom'))，运行结果是：
qwen serve: failed to open browser: leak-boom. Please open this URL manually: http://127.0.0.1:4170/#token=generated-token
Tests 1 failed | 69 passed (70) <- 受害测试被点名，没有 "Errors" 行
没有未处理 rejection，也没有 process.exit。这个泄漏最坏只会造成一个被点名的测试失败。#11414 真正指向的隐患已经由 #11362 在 main 上关闭，而且 #11414 本身已于 2026-09-09 被手动关闭，所以这条 Fixes 既不准确也已失效。
3.（小问题）在当前的 mock 下，这个等待是空操作 —— 它是保险，不是让 CI 转绿的那一环
startServeHandlerWithArgs 的锚点是「mockRunQwenServe 已被调用」。vi.waitFor 的第一次检查是同步的、在这里必然失败（handler 在调用它之前 await 了 import('../serve/run-qwen-serve.js')），之后的每次检查都是 50 ms 的 setInterval 宏任务。等到锚点被观察到时，下游链路 —— runQwenServe → runtimeReady: Promise.resolve() → openBrowserSecurely —— 早已跑完，因为它全是微任务。
在未打补丁的树上实测：在测试 A 走到断言的那一刻，openBrowserSecurely 25/25 次运行都已经被调用过（15 次空载 + 10 次 CPU 超额订阅、16 核上负载约 38）。套件耗时没有变化（tests 2.70s vs 2.72s）。
4. 这个等待确实做到了它声称的事，范围也划得对
在锚点与可观测点之间强行制造一个真正的宏任务窗口（把测试 A 的 runtimeReady 延迟 300 ms），泄漏就真实发生，而这三行把它封住了 —— 打的是文件里已有的断言，不是我造的断言：
- 不带本 PR：泄漏的
openBrowserSecurely落进prints the authenticated manual URL on the yargs headless path，打破它的expect(mockOpenBrowserSecurely).not.toHaveBeenCalled()→ 1 failed | 69 passed； - 带本 PR：70/70。
两项风险探针都干净：
- 会不会挂住？ 不会。把被等待的调用变成不可达（强制测试 A 走 headless 路径）后，
vi.waitFor在其 1000 ms 默认超时处放弃，并给出一个被点名的断言失败。有界且有归属，最坏多花 1 秒。 - 是否漏掉了同类的兄弟测试？ 没有。唯一结构相似的地方 ——
keeps Local Control pairing separate from the temporary primary token，同样是--open-with-auth、同样只锚在mockQr.generate上 —— 在同样的强制竞态下依然通过，因为startLocalControl在测试所锚定的 QR 调用之前就await了runtimeReady，因此没有任何可观测行为能活过那个锚点。本文件不需要再补静默等待。
5.（清理）#11376 现在是空的
描述中提到的另一个兄弟 PR #11376，相对 main 已是空 diff（compare main...autofix/issue-11363 → 0 个文件改动），可以关闭。
本地门禁
| 门禁 | 结果 |
|---|---|
npx vitest run src/commands/serve.test.ts（带 PR） |
70/70，连续 8/8 次 |
npx vitest run src/commands/serve.test.ts（不带 PR） |
70/70 |
npm run typecheck |
exit 0 |
npm run lint |
exit 0 |
npm run build |
exit 0 |
npx vitest run src/commands（整个目录，带 PR） |
170 个文件，7098 passed | 19 skipped |
| PR CI | 全绿 |
建议
修好描述后合并。 改动本身是一处正确、有界、范围准确的测试加固，没有可测量的成本。但记录应当与代码一致：
- 重写「本 PR 做什么 / 为什么需要」，改为描述
--open-with-auth→openBrowserSecurely的等待； - 把「审查者测试计划」的复现步骤换成能真正触发本 diff 的那一个（延迟测试 A 的
runtimeReady，而不是 Local Control 的enable()）； - 把
Fixes #11414降级为普通引用 —— Main CI failed: Qwen Code CI on 422929b3a7df #11414 的机制已由 fix(cli): quiesce a fire-and-forget serve handler across tests (#11346) #11362 关闭，保留这条 trailer 会把那次修复归到错误的提交上，误导下一个排查同类 CI 签名的人。
|
Sandboxed verification: ❌ not passed — findings reported (agent verdict) - workflow run Ran the PR in an isolated, token-free container: A/B against the base build, mock-free harness assertions, targeted gates. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 172 passed · 0 failed · 172 total Flakiness gate: ✅ 1 changed test file(s) x 5 identical rounds, no divergence 中文 — 判定：❌ 不通过 · 报告了发现（agent 判定）沙箱验证在隔离、无凭证的容器中执行了该 PR 的代码（与 base 构建 A/B 对照、无 mock harness 断言、定向门禁）。仅作为评审证据，不构成评审、批准或 CI 检查。 脚本断言：172 通过 · 0 失败 · 172 总计 抖动门：✅ 1 changed test file(s) x 5 identical rounds, no divergence Verification report<!-- qwen-triage:verify --> Sandboxed verification: ❌ not passed — findings reported (agent verdict) - follow-up round 4 Ran the PR in an isolated, token-free container: an 18-cell A/B against the base build, a 16-run cap-margin harness plus a bounded-failure probe, a new static completeness A/B, repo-wide lint/format/type gates each with a planted-violation liveness proof, and a mutation matrix with a same-file positive control. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 172 passed · 0 failed · 172 total Verified head: 中文摘要 — 判定：❌ 不通过 · 报告了发现（agent 判定）
Previous-finding status (round 3 → this head)Round 3 verified head
ScopeCentral claim — the single added Secondary claims — (a) the waited-for call always happens on this path, so the wait cannot hang within its cap; (b) the hazard class the PR family targets (a leaked handler reaching The effective diff is exactly three added lines in one file. Central claim — A/B table18 cells: 3 build variants × 3 race configurations × 2 runs, each cell's expectation encoded so a base-arm red counts as a passing assertion and a red cell must carry a specific failure signature (a syntax error cannot masquerade as a reproduced race).
18/18 cells matched their encoded prediction (45/45 assertions in this harness). Hunk A is load-bearing: on base the browser race fails 2/2 with exactly the assertion the successor makes about the leaked call, and head is 2/2 green; The
|
| regime | arm | runs | max phase (ms) | T417 total duration (ms) | cap (ms) | headroom |
|---|---|---|---|---|---|---|
| ambient | base | 4 | 0.125 | 52.8–53.6 | 1000 | 8000× |
| ambient | head | 4 | 0.098 | 52.0–53.2 | 1000 | 10204× |
| loaded (64 workers) | base | 4 | 9.536 | 56.8–62.8 | 1000 | 105× |
| loaded (64 workers) | head | 4 | 6.532 | 53.4–68.6 | 1000 | 153× |
Two instruments agree: the internal hrtime delta above, and vitest's own --reporter=json per-test duration (the external one bounds the phase from outside without trusting my instrumentation). Reading it: in all 8 base runs the phase stayed at or below 9.54 ms and no escape occurred; the forced-race arms escape at a phase of 100 ms. So the natural escape threshold on this path is bracketed between ~9.5 ms (observed safe) and 100 ms (forced escape) — and 64 busy workers on 64 cores reached the low end of that bracket only once in four runs. That is why the race fires in CI and not on this container, and it is the honest framing of hunk A: hardening against a load-dependent race with a measured margin, not a fix for a failure that reproduces here.
New measurement 1 — the vi.waitFor cap margin, and what happens if the awaited call never comes
Round 3 named this gap and did not close it. The added wait carries vitest's default 1000 ms cap, so the PR's own claim ("the waited-for call always happens on this path, so the wait cannot hang") is a timing claim and gets a timing measurement. 03-waitfor-cap-margin-and-bounded-failure.png is the harness as printed.
- Positive side (table above): worst observed awaited-phase duration is 6.53 ms under saturation — 0.65 % of the cap, and the margin assertion is encoded at <10 %.
- Cost side: T417's total duration is 52.0–53.2 ms on head vs 52.8–53.6 ms on base at ambient (and 53.4–68.6 vs 56.8–62.8 under load), i.e. the added wait costs ~0 ms —
vi.waitForchecks immediately (verified in vitest's own source:const { interval = 50, timeout = 1e3 }) and the phase is already complete by the time the starter's 50 ms poll returns. The PR adds no measurable suite time. - Failure side (the part a reviewer actually needs): construct the case where the awaited call never happens — head arm plus
mockShouldLaunchBrowser.mockReturnValue(false), which routesserve.tsdown the manual-URL branch (serve.ts:170-176) that returns without callingopenBrowserSecurely. Result: the run fails bounded,exit 1, T417status=failed, duration 1057.45 ms, messageAssertionError: expected "spy" to be called at least oncewith the stack frameTimeout.checkCallback (…/vi.bdSIJ99Y.js:3731)— vitest's own waitFor timer — at the instrumented copy's line for the added wait (serve.test.ts:442in the harness's mutated file; the shipped wait is line 434). NoTest timed out, no unhandled rejection, no hang. A maintainer reading that failure sees exactly which wait expired.
New measurement 2 — static completeness A/B (load-independent)
Round 3 proved completeness dynamically (63 isolated census runs). This measures the same property from the two immutable git blobs, so it does not depend on container load and is a second instrument on the same claim. Property: a fire-and-forget serve test can only leak if its handler has work after startServeHandlerWithArgs returns; that work is maybeOpenWebShellBrowser, which returns at serve.ts:147 unless the mocked handle has webShellMounted: true and the args select --open/--open-with-auth/--local-control. 05-static-completeness-ab-4of5-to-5of5.png is the harness as printed.
| base | head | |
|---|---|---|
it() blocks / fire-and-forget blocks |
65 / 21 | 65 / 21 |
| blocks calling a starter more than once | 0 | 0 |
zero-wait blocks, all with webShellMounted: false and no tail |
16 of 17 | 16 of 16 |
| tail-bearing blocks | 5 | 5 |
| tail-bearing blocks quiesced | 4/5 — the unquiesced one is L417 | 5/5 |
The tail-bearing set is identical on both arms (compared by title, since hunk A shifts lines by 3), and the only per-block difference across arms is L417 gaining a wait. So hunk A closes the class in this file rather than one instance of it, and the 16 zero-wait tests need no wait because they have no tail to leak — a structural argument that corroborates round 3's dynamic census. The zero multi-starter rows also close the sibling the file's own helper comment warns about ("Call this at most once per test"): no test does.
New measurement 3 — the repo's own gates, run verbatim, each proven live
Round 3 discarded the eslint result as a dead gate. Correction: the gate was never dead — round 3's invocation was mis-scoped. From the repo root against the flat config, eslint catches a planted unused binding in this very file (417:47, @typescript-eslint/no-unused-vars, exit 1). The artifact dir had to be stashed out of the lint scope for the repo-wide runs, because neither eslint.config.js's global ignores nor .prettierignore covers tmp/ — an earlier attempt measured npm run lint:ci with this round's scratch .mjs files in place and got 78 errors, every one of them in tmp/pr11417-verify-*/harness/*.mjs ('console' is not defined, no-undef), zero in any repository file. That number was contamination by this harness, not a property of the PR; it is preserved at logs/gates-lint/lint-ci-full.log and shown in 04-lint-gate-live-repo-wide-green.png.
| gate | result | liveness proof |
|---|---|---|
npm run lint:ci (what node scripts/lint.js --eslint runs) |
exit 0, zero problems, 123.0 s, artifact dir stashed | the same command exits 1 and reports file:line on violations (the contaminated run, and the scoped planted run) |
prettier --experimental-cli --check . (what --prettier runs) |
exit 0, "All matched files use Prettier code style!" | planted indentation break inside the PR hunk → [warn] packages/cli/src/commands/serve.test.ts, exit 1 |
tsc --noEmit (packages/cli) |
exit 0, 6.4 s | planted type error → src/commands/serve.test.ts(437,11): error TS2322, exit 2 |
eslint --max-warnings 0 <changed file> (root flat config) |
exit 0, no output | planted unused binding → 417:47 error 'definitelyUnusedProbeBinding' …, exit 1 |
16/16 assertions. This closes the body's claim that "npm run build, npm run typecheck, and npm run lint are green" for the lint and typecheck halves, measured rather than assumed.
Mutation matrix — is the new wait pinned by anything?
The PR changes no production code, so vacuity is the question. Red-kind classification is recorded per run: a behavioural kill (Tests N failed) and an unhandled-error red (Errors N error, every test passing) are different observations, and only the first is a mutant caught by an assertion. 06-mutation-matrix-survivors-adjudicated.png is the matrix as printed.
| mutant | change | unforced suite | classification |
|---|---|---|---|
| control | unmutated head | GREEN, 70/70, no unhandled error | makes the kills meaningful |
| M1 | delete hunk A (the PR delta; byte-identical to base) | SURVIVED — 70/70 green | coverage gap by construction, not dead code and not redundant defence: the behaviour hunk A prevents is observable only under a forced race window, which no test in this file creates. The forced-window A/B above is what kills it |
| M2 | positive control: break T417's own assertion (toBe('generated-token') → toBe('DEFINITELY-WRONG-TOKEN')) |
KILLED — Tests 1 failed | 69 passed (70), naming expected vs actual |
proves the harness can make this file's suite fail, landed in the same file as the mutants |
| M3 | delete hunk B (the QR wait, already on main) | SURVIVED — 70/70 green | same fix class as M1, so the gap is a property of quiescence fixes generally, not a defect specific to this PR |
| M4 | reverse mutation: head + round 2's suggested one-line fix | GREEN, indistinguishable from head | second instrument confirming round 3's correction that round 2's fix is a no-op; the suite pins nothing on that axis |
Plus three unforced rounds of the pristine head (PPP, 70/70 each, zero unhandled errors) and the neighbour suites that also import the serve command: src/cli.test.ts 78 passed, src/serve/fast-path.test.ts 95 passed, src/serve/fast-path-open.test.ts 7 passed. 25/25 assertions.
Incidental observation — the #11414 signature, seen live
An earlier revision of my mutation harness produced a malformed mutant: its HUNK_A constant omitted the leading call line, so "delete hunk A" re-inserted a second startServeHandlerWithArgs() into T417 — exactly what the helper's own comment forbids. The byte-identity self-check caught it (len 40701 vs 40644), the mutant was fixed and re-run, and its assertions are excluded from the tally (named in logs/assertion-sources.json). But the run it produced is the clearest demonstration of the failure shape this PR family targets, on the real code path rather than argued from reading:
Tests 70 passed (70)
Errors 1 error
⎯ Unhandled Rejection ⎯
Error: process.exit unexpectedly called with "1"
❯ handler src/commands/serve.ts:985:15
The latest test that might've caused the error is "prints the authenticated manual URL …"
70/70 tests pass, exit code 1, and nothing in the output names a broken test — vitest only guesses a suspect. That is precisely why main CI dies "with no failing test attributed", and it corroborates the body's mechanism claim (secondary claim b) by observation. It is not evidence about the PR and not the wild race; provenance is stated in 07-11414-signature-70-pass-exit-1-unattributed.png and in the log itself.
Findings
F-1 — Suggestion (non-blocking, against the description, not the code): the body, title and Test Plan all describe a change that is not in this PR
Carried from round 3 and re-measured at the same head. The diff is three lines adding a browser-open wait to applies authenticated open before the yargs path starts the daemon. Everything the PR says about itself is about the QR/pairing wait in a different test, which is now in the base tip:
| PR text | what the evidence shows |
|---|---|
"Adds one quiescence wait … the forwards --token and --allow-origin Local Control test now waits for its fire-and-forget handler's pairing phase" |
That wait is at serve.test.ts:632 in HEAD^1 (comments at 630-631) — it is not in git diff HEAD^1..HEAD. The diff adds only lines 432-434 |
| "Two neighbouring Local Control tests in the same file already waited this way; this one was missed" | True of the QR wait; the shipped hunk waits on a different phase in a different (non-Local-Control) test |
Reviewer Test Plan: "make the first test's Local Control enable() resolve after ~100 ms and the next test's … after ~1000 ms … Without this PR the run exits 1 with Unhandled Rejection: process.exit(1) called" |
Executed verbatim on both arms, twice each: base 2/2 GREEN, head 2/2 GREEN. A reviewer following this plan sees no difference and can conclude the PR does nothing. baseNoB 0/2 GREEN proves the recipe itself is sound |
Title fix(cli): quiesce the fire-and-forget serve handler across tests |
Matches snapshot commit a2420452 (hunk B). The remaining delta came from e7e2ecdf, whose own headline was test(cli): quiesce the authenticated-open serve handler across tests — the more accurate prefix and subject for what is left |
Fixes #11414 |
#11414 is the QR/unhandled-rejection signature, and the change that addresses it is already on main. The remaining delta addresses a different (browser-phase) hazard, which no linked issue names |
| "the waited-for QR call always happens on this path, so the wait cannot hang" | The wait that ships is on the browser call. The claim holds for it too — measured this round at 10204×/153× headroom with a bounded 1057 ms failure mode — but the sentence argues about the wrong call |
Why this is worth a reviewer's attention rather than being a wording nit. The body tells the maintainer: "whichever lands first resolves the hazard, and the others become no-ops." One of them did land. So the body's own instruction is to treat this PR as a no-op — while the A/B shows hunk A is the only thing between base and a reproducible red cell, the static completeness A/B shows it is what takes this file from 4/5 to 5/5 quiesced tail-bearing tests, and the margin harness shows it costs ~0 ms. The concrete failure mode is that this PR gets closed as superseded and hunk A is lost with it.
Reproduce: cd /__w/qwen-code/qwen-code && AB_RUNS=2 node tmp/pr11417-verify-20260911-024931/harness/ab-driver.mjs, then compare the qr rows of the printed matrix (base and head both 2/2 GREEN, baseNoB 0/2) and logs/ab/baseNoB-qr-r1.log (the body's mechanism) against logs/ab/base-qr-r1.log (no such error). The forced-window recipe the body should have given is the browser column of the same matrix.
Suggested resolution (description-only, no code change): retitle to test(cli): quiesce the authenticated-open serve handler across tests, restate "What this PR does" as the browser-open wait in the authenticated-open test, replace the Test Plan recipe with the browser one used above (T417 runtimeReady +100 ms, T440 +400 ms → base red, head green), and either drop Fixes #11414 or note that #11414's hazard reached main via the sibling PR while this delta is the remaining half.
F-2 — Nit (carried from rounds 2 and 3): "With both files unmodified" names two files
The Test Plan's closing sentence reads "With both files unmodified, npx vitest run src/commands/serve.test.ts passes 70/70"; the PR touches one file. The measurement itself reproduces — 70/70, three unforced rounds here.
Reproduce: cd /__w/qwen-code/qwen-code/packages/cli && npx --no-install vitest run src/commands/serve.test.ts → Tests 70 passed (70), exit 0 (see logs/gates-tests/unforced-round{1,2,3}.log).
Observation (not a finding against this PR): tmp/ is linted by the repo-wide gates
Neither eslint.config.js's global ignores nor .prettierignore covers tmp/, even though .gitignore does. Any contributor who keeps scratch scripts in the gitignored tmp/ will get npm run lint:ci and prettier --check . failures from files that are not part of the repository's tracked surface — this round paid exactly that cost once (78 errors, all mine). Pre-existing repo behaviour, unrelated to this PR's three lines, and reported only so the next verifier or contributor does not misread a contaminated lint run as a red gate.
Not covered
- Per-commit attribution. The checkout is depth 2:
git rev-list HEAD^1..HEAD^2yields 1 commit while$QWEN_VERIFY_CONTEXTlists 11. Of the PR's own commits only6ca85e0b(the head) is a local object;18f50c0a,a2420452(hunk B) ande7e2ecdf(hunk A) are all missing, so the two commits' individual claims could not be exercised separately. (Round 3 stated that18f50c0aexisted locally; at this checkoutgit cat-file -e 18f50c0a^{commit}fails, so that detail of round 3's Not-covered text was inaccurate — the conclusion, that per-commit attribution is out of reach, is unchanged.) I verified the aggregateHEAD^1..HEADdiff only. - The wild race's natural trigger. All red cells come from forced windows, and the natural-timing data shows 0 escapes in 8 base runs at ambient and at 64-worker saturation. This round brackets the trigger (safe at a phase of ≤9.54 ms, escaping at a forced 100 ms) but does not reproduce the CI load condition that produced Main CI failed: Qwen Code CI on 422929b3a7df #11414. Per the shape-vs-cause distinction: I have the mechanism, the handling, and a threshold bracket — not the natural trigger.
- Round 3's 63-run dynamic leak census was not re-run. Carried forward under the proven-identical input closure:
HEAD^2andHEAD^1are the same commit OIDs round 3 verified, sotree(HEAD)andtree(HEAD^1)are the same git objects and every file the census consumed (bothserve.test.tsversions,serve.ts,vitest.config.ts,package.json,package-lock.json, fixtures) is byte-identical by content-addressing; the census forces its window, so the one non-content-addressed input (container load) does not drive it. Corroborated this round by the new static completeness A/B (4/5 → 5/5) and by the A/B's channel-level red/green pair. baseNoBwas not swept, only A/B'd — it exists to prove the two forced-race recipes are effective, not to characterise the class.- Wider suites. Only
serve.test.tsplus the three suites that also import the serve command were run (78 + 95 + 7 passed). The rest ofpackages/cliwas not run; vitest isolates per file, but that is an assumption, not a measurement. npm run buildwas not re-run: the workspacedist/was pre-built at HEAD by CI, and the changed file is test-only source that vitest consumes from TypeScript.tsc --noEmitforpackages/clicovers it at compile level, with a planted-error liveness proof.- Trial merge into current
mainwas not possible:mainis not fetchable without a token and the checkout is grafted. The substitute evidence is stronger for this purpose:tree(HEAD) == tree(HEAD^2), so CI's merge of the PR head into the base tip introduced no changes at all, the merged file carries no conflict markers, andgit diff HEAD^1..HEADis exactly the three added lines. - The five potential-victim assertions in the
maybeOpenWebShellBrowserblock (927, 935, 944, 965, 1009) were not driven: round 3's ladder showed an escaped call overshoots that block entirely, and the demonstrated victim is the sixth reader at line 460. - The coverage-merge
ENOENTflake the body explicitly scopes out was not investigated. - macOS/Windows not tested (Linux only), matching the body's own table.
Methodology
Environment: node:22-bookworm CI verify container (node v22.23.2, 64 cores, load average 18-27 during the round), merge-ref checkout at depth 2 (HEAD = merge commit f5c13f83, HEAD^1 = base tip cbd2cbad, HEAD^2 = PR head 6ca85e0b, the latter two matching the metadata OIDs), with npm ci + npm run build pre-existing at HEAD. Because the diff is one test file and no dependency, config or production source changed, the A/B swapped that single file between its base-tip and head versions in place rather than rebuilding a worktree; removeHunkA(head) === base is asserted byte-identical, every forced-race mutation is proven block-scoped (scopecheck.mjs), and every mutated arm is proven syntactically valid TS before being run (mutcheck.mjs). The margin harness drives the real vitest child process and records the awaited phase with a recording mockImplementation installed inside T417's own body; the suite's afterEach restores it, and the 16/16 "exactly one browser event recorded" assertions are the proof that in every run the call landed while the recorder was live (a leaked call landing after afterEach would have shown up as zero events, not as a wrong number). It cross-checks against vitest's own --reporter=json per-test durations; its "loaded" regime spawns 64 busy node workers for the duration of each run. The repo-wide gates ran with the artifact directory stashed out of the lint scope and restored afterwards, under SIGTERM/SIGINT handlers, after an earlier kill left a planted violation on disk. Every harness restores the pristine file in a finally and asserts git status --porcelain is empty and git hash-object matches the HEAD blob at the end; four harness iterations were discarded — two caught by encoded controls in the same harness (the malformed M1 mutant, the completeness expectation bugs), one an intentional smoke run superseded by the full sweep, and one killed mid-run with a contaminated lint scope — and all are preserved under logs/ with their exclusion reasons in logs/assertion-sources.json. Raw per-cell vitest output, census sinks, per-harness assertion logs and the seven evidence captures are in this artifact directory.
Evidence images
01-ab-matrix-base-red-head-green.png— the 18-cell matrix with surgery self-checks; base red under the forced browser race, head green02-testplan-recipe-green-on-both-arms.png— F-1: the PR's own Test Plan recipe green on base and head, red only with hunk B removed03-waitfor-cap-margin-and-bounded-failure.png— awaited phase 0.098 ms ambient / 6.53 ms saturated vs the 1000 ms cap; missing call fails bounded at 1057 ms04-lint-gate-live-repo-wide-green.png— repo-wide lint/prettier/tsc green with liveness proofs, and the contaminated run that proves why the stash was needed05-static-completeness-ab-4of5-to-5of5.png— static completeness A/B, base 4/5 → head 5/5, L417 the only difference06-mutation-matrix-survivors-adjudicated.png— mutation matrix with survivors classified and the same-file positive control07-11414-signature-70-pass-exit-1-unattributed.png— the unattributed-failure signature observed live (from a malformed mutant of this harness, provenance stated)
— Qwen Code · sandboxed verification
Flakiness gate log
rounds=5 files=1 skipped=0
file packages/cli/src/commands/serve.test.ts: (cd packages/cli) npx --no-install vitest run ./src/commands/serve.test.ts
per-file results (P=pass F=fail I=infra-exit, one letter per run):
packages/cli/src/commands/serve.test.ts: PPPPP
verdict: pass
summary: 1 changed test file(s) x 5 identical rounds, no divergence
--- per-invocation detail (full copy in the artifact) ---
round 1 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 2 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 3 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 4 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 5 · packages/cli/src/commands/serve.test.ts: P (exit 0)
Evidence images
Harness scripts and raw logs are in the workflow run artifacts (7-day retention).
— Qwen Code · sandboxed verification
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： AutoFix round — no code change (PR-body update requested, needs a maintainer)VerdictNo code change this round. The only actionable feedback — @wenshao's maintainer verification ( Feedback dispositions
Verified facts (this round)
Paste-ready replacement PR bodyApplies recommendations 1–3 verbatim: describes the ## What this PR does
The serve command's test for authenticated open (`--open-with-auth`) now waits for its fire-and-forget handler's browser-open phase to finish before the test returns, so a trailing browser-open call can no longer leak into the next test, which asserts the browser was never opened.
## Why it's needed
The serve handler is fire-and-forget: the test's anchor resolves as soon as the daemon entry point is invoked, but the handler continues downstream — awaiting the runtime-ready promise and then opening the browser — on work the test never awaited. Under a real scheduling delay (e.g. an oversubscribed CI host) that browser-open can execute after its test has returned and fail the following test's assertion. #11362 quiesced the Local Control pairing phase of this same handler; this PR closes the remaining browser-open phase of the authenticated-open path. (See #11414 for the CI signature that motivated the original investigation — its mechanism was already closed on main by #11362.)
## Reviewer Test Plan
### How to verify
Force a real macrotask window between the test's anchor and the browser-open: in the first `--open-with-auth` test, make the mocked daemon result's runtime-ready promise resolve ~300 ms late, e.g. `runtimeReady: new Promise((resolve) => setTimeout(resolve, 300))`. Then run `cd packages/cli && npx vitest run src/commands/serve.test.ts`:
- With this PR's wait removed: the delayed browser-open lands in the next test and breaks its assertion that the browser was never opened — 1 failed | 69 passed.
- With this PR as-is: 70/70 passed.
On unmodified mocks the wait is a no-op — the downstream chain is microtasks only and has always drained by the time the anchor is observed (measured 25/25 runs, including under CPU oversubscription) — so this is scheduling insurance, not a fix for a currently-red signature. Suite cost is unchanged. If the awaited browser-open ever became unreachable, the wait gives up at its 1000 ms default with a named, attributed assertion failure — bounded, never a hang.
### Evidence (Before & After)
N/A — test-only hardening; no user-visible behavior change.
### Tested on
| OS | Status |
| :--------: | :--------------: |
| 🍏 macOS | ⚠️ not tested |
| 🪟 Windows | ⚠️ not tested |
| 🐧 Linux | ✅ tested (70/70) |
### Environment (optional)
N/A — unit tests only.
## Risk & Scope
- Main risk or tradeoff: worst case is a bounded, attributed 1 s wait-timeout failure if the awaited call ever became unreachable; never a hang.
- Not validated / out of scope: no other test in this file needs the same wait — the one structurally similar sibling awaits the runtime-ready promise before its anchor point, so nothing observable outlives its anchor.
- Breaking changes / migration notes: none.
## Linked Issues
Related to #11414 (mechanism already closed on main by #11362) and #11362.
<details>
<summary>中文说明</summary>
## 本 PR 做了什么
serve 命令的认证打开（`--open-with-auth`）测试现在会等待其 fire-and-forget handler 的打开浏览器阶段结束后才返回，因此滞后的打开浏览器调用不会再泄漏到下一个（断言浏览器从未被打开的）测试中。
## 为什么需要
serve handler 是 fire-and-forget 的：测试的锚点在 daemon 入口被调用时即完成，但 handler 仍会继续向下游执行 —— await runtime-ready promise，然后打开浏览器 —— 这些工作测试从未等待。在真实的调度延迟下（例如超负荷的 CI 主机），这次打开浏览器可能在其所属测试返回后才执行，从而使紧随其后那个测试的断言失败。#11362 已经静默了同一 handler 的 Local Control 配对阶段；本 PR 关闭认证打开路径剩余的打开浏览器阶段。（最初促成此项排查的 CI 失败签名见 #11414 —— 其机制已由 #11362 在 main 上关闭。）
## 审查者测试计划
### 如何验证
在第一个 `--open-with-auth` 测试中，让 mock 的 daemon 结果里的 runtime-ready promise 延迟约 300 ms 解决，在锚点与打开浏览器之间制造真实的宏任务窗口，例如 `runtimeReady: new Promise((resolve) => setTimeout(resolve, 300))`。然后运行 `cd packages/cli && npx vitest run src/commands/serve.test.ts`：
- 去掉本 PR 的等待：被延迟的打开浏览器落进下一个测试，打破其「浏览器从未被打开」的断言 —— 1 failed | 69 passed。
- 保持本 PR 原样：70/70 通过。
在未改动的 mock 下该等待是空操作 —— 下游链路全是微任务，在锚点被观察到时总是已执行完毕（实测 25/25 次运行，包括 CPU 超额订阅场景）—— 因此这是针对调度延迟的保险，而不是对当前红色签名的修复。套件耗时不变。若被等待的打开浏览器调用变得不可达，等待会在 1000 ms 默认超时处放弃并给出有归属的具名断言失败 —— 有界，绝不悬挂。
### 证据（前后对比）
N/A —— 仅测试加固；无用户可见行为变化。
### 测试平台
| 操作系统 | 状态 |
| :--------------: | :--------------: |
| 🍏 macOS | ⚠️ 未测试 |
| 🪟 Windows | ⚠️ 未测试 |
| 🐧 Linux | ✅ 已测试（70/70）|
### 环境（可选）
N/A —— 仅单元测试。
## 风险与范围
- 主要风险或取舍：最坏情况是被等待的调用变得不可达时，等待在 1 秒超时处给出一个有归属的有界失败；绝不悬挂。
- 未验证 / 范围之外：本文件没有其他测试需要同样的等待 —— 唯一结构相似的兄弟测试在其锚点之前就 await 了 runtime-ready promise，因此没有任何可观测行为能活过其锚点。
- 破坏性变更 / 迁移说明：无。
## 关联 Issue
关联 #11414（其机制已由 #11362 在 main 上关闭）与 #11362。
</details>Verification
中文说明AutoFix 本轮 —— 无代码改动（请求更新 PR 描述，需要维护者操作）结论本轮无代码改动。唯一可行动的反馈 —— @wenshao 的维护者验证（ 反馈处置
本轮核实的事实
可直接粘贴的替换 PR 描述（英文正文中的代码块即完整替换文本，逐条落实建议 1–3：改为描述 验证
Base-conflict check · 基分支冲突检查: no conflict with main. · 与 main 无冲突。 🧠 Handled by Qwen Code · model/模型 |
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@qwen-code /triage |
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Sandboxed verification: ❌ not passed — findings reported (agent verdict) - workflow run Ran the PR in an isolated, token-free container: A/B against the base build, mock-free harness assertions, targeted gates. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 705 passed · 0 failed · 705 total Flakiness gate: ✅ 1 changed test file(s) x 5 identical rounds, no divergence 中文 — 判定：❌ 不通过 · 报告了发现（agent 判定）沙箱验证在隔离、无凭证的容器中执行了该 PR 的代码（与 base 构建 A/B 对照、无 mock harness 断言、定向门禁）。仅作为评审证据，不构成评审、批准或 CI 检查。 脚本断言：705 通过 · 0 失败 · 705 总计 抖动门：✅ 1 changed test file(s) x 5 identical rounds, no divergence Verification report<!-- qwen-triage:verify --> Sandboxed verification: ❌ not passed — findings reported (agent verdict) — follow-up round 5 Ran the PR in an isolated, token-free container: an 18-cell A/B against the moved base, a re-measured cap-margin harness with a bounded-failure probe, a load-independent static completeness A/B, a mutation matrix with two finer mutants and a same-file positive control, a repo-wide sibling sweep, and repo-level lint/format/type gates each with a planted-violation liveness proof. Advisory evidence for human reviewers — not a review, an approval, or a CI check. Scripted assertions: 705 passed · 0 failed · 705 total Verified head: 中文摘要 — 判定：❌ 不通过 · 报告了发现（agent 判定）
Previous-finding status (round 4 → this head)Round 4 verified head
ScopeCentral claim — the single added Secondary claims — (a) the waited-for call always happens on this path, so the wait cannot hang within its 1000 ms cap; (b) the change is still needed at the current base, i.e. main's 451-file advance neither landed hunk A nor obsoleted it. The effective diff is exactly three added lines in one file. Central claim — A/B table18 cells: 3 build variants × 3 race configurations × 2 runs. Every cell's expectation is encoded, so a base-arm red counts as a passing assertion, and a red cell must additionally carry its specific signature plus a
18/18 cells matched their encoded prediction; 331/331 assertions in this harness. Hunk A is load-bearing at the new base: on base the browser race fails 2/2 with exactly the assertion the successor test makes about the leaked call, and head is 2/2 green. The
|
| regime | arm | runs | max awaited phase (ms) | T417 duration (ms) | cap (ms) | headroom |
|---|---|---|---|---|---|---|
| ambient | base | 3 | 0.090 | 51.9–52.5 | 1000 | 11111× |
| ambient | head | 3 | 0.094 | 52.2–52.8 | 1000 | 10638× |
| loaded (64 workers) | base | 3 | 3.687 | 53.6–59.9 | 1000 | 271× |
| loaded (64 workers) | head | 3 | 3.906 | 57.1–64.9 | 1000 | 256× |
Every run recorded exactly one phase event (12/12), so no measurement was taken from a leaked call landing after afterEach. The added wait costs ~0 ms (T417's total duration is within noise across arms). Failure side: with mockShouldLaunchBrowser forced false, serve.ts:170-176 returns without ever calling openBrowserSecurely, and the run fails bounded — exit 1, T417 status=failed, duration 1057.6 ms, AssertionError: expected "spy" to be called at least once. No Test timed out, no unhandled rejection, no hang.
The natural escape threshold is bracketed, not reproduced: safe at an observed phase of ≤3.99 ms, escaping at a forced 100 ms. That is why the race fires in CI and not here, and it is the honest framing of hunk A — hardening against a load-dependent race with a measured margin.
New measurement 1 — static completeness A/B, plus a repo-wide sibling sweep
The same property round 3 proved dynamically, measured from the two immutable git blobs so container load cannot drive it. 05-static-completeness-ab-4of5-to-5of5.png is the harness as printed.
base (HEAD^1) |
head (merged) | |
|---|---|---|
it()/test() blocks |
67 | 67 |
| fire-and-forget blocks (call a starter) | 21 | 21 |
| blocks calling a starter more than once | 0 | 0 |
| blocks with no wait after the last starter | 17 | 16 |
| …of which have no reachable tail | 16 | 16 |
| tail-bearing blocks | 5 | 5 |
| tail-bearing blocks quiesced | 4/5 | 5/5 |
The tail-bearing set is identical on both arms (compared by title, since hunk A shifts lines by 3), and the only per-block difference is L417 gaining a wait. 67 blocks with one it.each expanding to 4 cases accounts exactly for the 70 tests vitest reports, which is the internal consistency check on the enumeration.
New this round — the sweep that makes this repo-wide rather than file-wide. A hazard class is only "closed" if the class was enumerated. startServeHandler / startServeHandlerWithArgs / void handler( appear in exactly one file in all of packages/ — serve.test.ts (25 hits, all in it). The one other test file importing serveCommand, src/serve/fast-path.test.ts, uses only serveCommand.builder and never obtains a handler (zero hits for handler). So hunk A takes the entire repository's fire-and-forget-serve-handler class from 4/5 to 5/5, not just one file's.
Wait-target census (the detail F-1 turns on), read from the base blob:
| line | test | waits on |
|---|---|---|
| L417 | applies authenticated open before the yargs path starts the daemon |
(NO WAIT) ← what this PR adds |
| L437 | prints the authenticated manual URL on the yargs headless path |
stderrWrites.join(…) content |
| L525 | delegates Local Control to the daemon service and prints its pairing URL |
mockQr.generate |
| L575 | keeps Local Control pairing separate from the temporary primary token |
mockQr.generate |
| L610 | forwards --token and --allow-origin through to runQwenServe with --local-control |
mockQr.generate — the test the body says "now waits" |
New measurement 2 — mutation matrix, with two finer mutants
The PR changes no production code, so pinning is the question. Each mutant is run under two instruments: the unforced suite (what CI runs) and the forced browser window (the only window in which the leak is observable). Red kind is classified — a behavioural kill (Tests N failed) and an unhandled-error red are different observations. 06-mutation-matrix-survivors-adjudicated.png is the matrix as printed.
| mutant | change | unforced | forced browser window | classification |
|---|---|---|---|---|
| control | unmutated head | GREEN 70/70 | GREEN | makes the kills meaningful |
| M1 | delete hunk A (byte-identical to the base blob — asserted) | SURVIVED | KILLED (behavioural) | coverage gap by construction: the behaviour hunk A prevents is observable only in a window no test in this file creates. The forced-window A/B is what kills it |
| M2 | positive control: break T417's own assertion (toBe('generated-token') → 'DEFINITELY-WRONG-TOKEN') |
KILLED (behavioural), naming expected vs actual and attributed to the leaker test | — | proves the harness can make this file's suite fail, landed in the same file as the mutants |
| M3 | delete hunk B (the QR wait, already on main) | SURVIVED | — | same fix class as M1, so the gap is a property of quiescence fixes generally, not a defect of this PR |
| M4 | finer: keep a wait, but wait on the already-satisfied mockRunQwenServe spy |
SURVIVED | KILLED | the wait's target is load-bearing, not merely its presence |
| M5 | finer: replace the wait with a bare await new Promise(r => setTimeout(r, 0)) |
SURVIVED | KILLED | the polling is load-bearing: a single macrotask yield happens to drain the microtask-only tail, but does not survive a delayed awaited phase |
M4 and M5 are new this round and are strictly finer than round 4's whole-hunk deletion. They survive unforced and die under the forced window for different reasons, which is the useful part: a reviewer who sees only "M1 survived" could conclude any wait would do. Neither would. 120/120 assertions.
New measurement 3 — the merged tree, the lockfile, and the neighbours
- Merge verification.
git cat-file -p HEADshows two parents (f649d65d,6ca85e0b); no conflict markers anywhere in the mergedserve.test.ts/serve.ts;git diff HEAD^2..HEADis 451 files / +92705 −5644 (main'sfeat(live)advance). The tree under test is therefore the real merge result, and it is green: 70/70 in three unforced rounds. - No dependency confound. The PR head's
package-lock.jsonis 239 lines behind base's; the merge resolved to base's, sogit diff HEAD^1..HEAD -- package-lock.jsonis empty.node_moduleswas installed by CI from the merged lockfile, which equals base's — so both A/B arms run against identical dependencies and the control is a pure code A/B. - Neighbour suites, re-measured because main's advance changed them:
src/cli.test.ts78 passed,src/serve/fast-path.test.ts103 passed (round 4 measured 95 — main added tests),src/serve/fast-path-open.test.ts7 passed,src/serve/run-qwen-serve.test.ts424 passed (not run at round 4). All exit 0. - Gates, each with a planted-violation liveness proof, all green: eslint on the changed file (exit 0; planted unused binding →
no-unused-vars, exit 1), prettier on the changed file (exit 0; planted indentation break → names the file, exit 1),tsc --noEmitforpackages/cli(exit 0 in 6.8 s; planted type error →serve.test.ts(437,11): error TS2322, exit 2), repo-wide eslint (exit 0 with the scratch dir excluded). 29/29 assertions.04-gates-green-with-liveness-proofs.png.
Corrections
To round 4's incidental observation about tmp/. Round 4 stated that "neither eslint.config.js's global ignores nor .prettierignore covers tmp/", and that both repo-wide gates pick scratch files up. The file contents are as described (.gitignore:132 has tmp/; neither ignore file lists it), but the effect holds for eslint only. Measured this round with a deliberately mis-formatted probe at tmp/prettier-scope-probe.mjs (const x={a:1,b:2} with no semicolons):
| gate | probe reported by the repo-wide form? | probe reported when named explicitly? |
|---|---|---|
prettier --experimental-cli --check . |
no (0 hits; whole-repo run exit 0, 0 files reported) | no — "All matched files use Prettier code style!" |
npm run lint:ci (eslint) |
yes — 149 problems, all in this round's 7 scratch .mjs files (no-undef 145, @typescript-eslint/no-unused-vars 3, no-control-regex 1), zero in any repository file |
n/a |
So Prettier 3.6 honours .gitignore and skips tmp/ even when a file inside it is named on the command line, while eslint does not skip it. The practical consequence is narrower than round 4 implied: a contributor's scratch .mjs in tmp/ will fail npm run lint:ci but will not fail prettier --check .. This round still excluded the scratch dir (--ignore-pattern 'tmp/**') to get a clean repo-wide eslint exit 0, and asserts that no repository file appears in the unexcluded run.
To the PR description's "Two neighbouring Local Control tests" — see the wait-target census above: there are three, and the one the body says "now waits" already did at base. Labelled as a correction to the description, not a request to change code.
To this harness, disclosed rather than hidden. Four harness iterations were discarded and are preserved under logs/: (1) margin.mjs exited 1 on a trailing ReferenceError (void forceBrowserRace left behind after I removed the import) after all 56 assertions had passed and its JSON had been written — logs/margin-run1-harness-exitbug.log; (2) gates.mjs died after round 1 because it never set NO_COLOR, so vitest's ANSI escapes made /Tests\s+70 passed/ fail to match output that prints as 70 passed (70) — logs/gates-run1-ansi-bug.log; (3) one capture was invoked without export ART, so the child saw process.env.ART === undefined and died at import, and the stale log it appeared to produce initially read as a pre-patch result; (4) a display regex matched vitest's ⎯ Failed Tests 1 ⎯ section header instead of the tally line — the classification regexes were correct throughout (verified by reading Tests 1 failed | 69 passed (70) and Errors 1 error directly out of logs/ab/base-browser-r1.log and logs/ab/baseNoB-qr-r1.log), and image 02 now renders the corrected tallies. None of these is evidence about the PR.
Findings
F-1 — Suggestion (non-blocking; against the description, not the code): the body, title and Test Plan all describe a change that is not in this PR
Carried from rounds 3 and 4, re-measured at the moved base. The diff is three lines adding a browser-open wait to applies authenticated open before the yargs path starts the daemon. Everything the PR says about itself is about the QR/pairing wait in a different test, which is in the base tip:
| PR text | what the evidence shows at this base |
|---|---|
"the forwards --token and --allow-origin Local Control test now waits for its fire-and-forget handler's pairing phase" |
That test is L610 and it already waits on mockQr.generate in HEAD^1 (wait at serve.test.ts:632, comments at 630-631). It is not in git diff HEAD^1..HEAD, which adds only lines 432-434 |
| "Two neighbouring Local Control tests in the same file already waited this way; this one was missed" | There are three Local Control tests waiting on the QR phase at base (L525, L575, L610) — including the one the previous sentence says was missed. The shipped hunk waits on a different phase in a different, non-Local-Control test |
Test Plan: "make the first test's Local Control enable() resolve after ~100 ms and the next test's … after ~1000 ms … Without this PR the run exits 1 with Unhandled Rejection: process.exit(1) called" |
Executed verbatim on both arms, twice each: base 2/2 GREEN, head 2/2 GREEN. A reviewer following this plan sees no difference and can conclude the PR does nothing. baseNoB 0/2 GREEN proves the recipe itself is sound and that the mechanism it describes is real — just already fixed on main |
Title fix(cli): quiesce the fire-and-forget serve handler across tests |
Matches snapshot commit a2420452 (hunk B). The remaining delta came from e7e2ecdf, whose own headline was test(cli): quiesce the authenticated-open serve handler across tests — the accurate prefix and subject for what is left |
Fixes #11414 |
#11414 is the QR/unhandled-rejection signature, and the change addressing it is in the base tip. The remaining delta addresses a different (browser-phase) hazard that no linked issue names |
| "the waited-for QR call always happens on this path, so the wait cannot hang" | The wait that ships is on the browser call. The claim holds for it too — measured at ≥256× headroom with a bounded 1057.6 ms failure mode — but the sentence argues about the wrong call |
| "whichever lands first resolves the hazard, and the others become no-ops" | One did land. This PR is not a no-op, and this round is the direct measurement: the base moved to current main, hunk B is present there, hunk A is absent, and `base |
Why this is worth a reviewer's attention rather than being a wording nit. The body's own instruction is to treat this PR as a no-op once a sibling lands — and a sibling has landed, on a base newer than the one rounds 3 and 4 saw. A maintainer triaging it now has both the instruction and the apparently-confirming fact that the Test Plan recipe is green on both arms. The concrete failure mode is that this PR gets closed as superseded and hunk A is lost with it, returning the file to 4/5 quiesced tail-bearing tests with a reproducible red cell one forced window away.
Reproduce: cd /__w/qwen-code/qwen-code && ART=$PWD/tmp/pr11417-verify-20260911-044715 AB_RUNS=2 node tmp/pr11417-verify-20260911-044715/harness/ab-driver.mjs, then compare the qr rows of the printed matrix (base and head both 2/2 GREEN, baseNoB 0/2) and read logs/ab/baseNoB-qr-r1.log (the body's mechanism, with serve.ts:985) against logs/ab/base-qr-r1.log (no such error). The forced-window recipe the body should have given is the browser column of the same matrix.
Suggested resolution (description-only, no code change): retitle to test(cli): quiesce the authenticated-open serve handler across tests; restate "What this PR does" as the browser-open wait in the authenticated-open test; replace the Test Plan recipe with the browser one (T417 runtimeReady +100 ms, T440 +400 ms → base red, head green); and either drop Fixes #11414 or note that #11414's hazard reached main via a sibling PR while this delta is the remaining half.
F-2 — Nit (carried from rounds 2, 3 and 4): "With both files unmodified" names two files
The Test Plan's closing sentence reads "With both files unmodified, npx vitest run src/commands/serve.test.ts passes 70/70"; the PR touches one file. The measurement itself reproduces — 70/70, three unforced rounds on the merged tree.
Reproduce: cd /__w/qwen-code/qwen-code/packages/cli && npx --no-install vitest run src/commands/serve.test.ts → Tests 70 passed (70), exit 0 (logs/gates/unforced-round{1,2,3}.log).
Observation (not a finding against this PR): gitignored tmp/ is inside eslint's repo-wide scope
eslint.config.js's global ignores does not list tmp/, so npm run lint:ci reports every error in a contributor's scratch scripts there — 149 this round, all mine, none in a repository file. Pre-existing repo behaviour, unrelated to these three lines, and reported (with the prettier half corrected) so the next verifier does not misread a contaminated lint run as a red gate.
Not covered
- Per-commit attribution. The checkout is depth 2 and
git rev-parse --is-shallow-repositoryistrue:git rev-list HEAD^1..HEAD^2yields 1 commit while$QWEN_VERIFY_CONTEXTlists 11. Only6ca85e0bis a local object;a2420452(hunk B) ande7e2ecdf(hunk A) are both missing, so the two substantive commits' individual claims could not be exercised separately. Round 4's basecbd2cbadand merge commitf5c13f83are also unreachable now. I verified the aggregateHEAD^1..HEADdiff only. - The wild race's natural trigger. All red cells come from forced windows. This round brackets the trigger (safe at an observed phase of ≤3.99 ms under 64-worker saturation, escaping at a forced 100 ms) but does not reproduce the CI load condition behind Main CI failed: Qwen Code CI on 422929b3a7df #11414. Per the shape-vs-cause distinction: I have the mechanism, the handling and a threshold bracket — not the natural trigger.
- Round 3's 63-run dynamic leak census was not re-run and not carried forward. The carry-forward shortcut requires the whole input closure to be shown unchanged; the base's
package-lock.jsonmoved 239 lines and 450 other files with it, so it does not apply. Substitute evidence is the static completeness A/B (load-independent, 12/12) plus the repo-wide sweep and the A/B's channel-level red/green pair. - The pure unattributed-failure shape was not reproduced this round. Round 4 observed
Tests 70 passed (70)+Errors 1 error+ exit 1 with nothing attributed, but only from a malformed mutant of its own harness. MybaseNoB|qrcell producesTests 1 failed | 69 passed (70)plusErrors 1 error— the unhandled rejection is present and theserve.ts:985frame is named, but vitest also attributes a failing test (the parked victim), so it is partially attributed. I did not construct a cell that isolates the unhandled rejection alone, so the exact CI signature ("no failing test attributed") is corroborated by readingvitest.config.ts:252and round 4's observation, not re-demonstrated here. baseNoBwas not swept, only A/B'd — it exists to prove the two forced-race recipes are effective, not to characterise the class.- Wider suites. Only
serve.test.tsplus the four neighbour suites that touch the serve command were run (70 + 78 + 103 + 7 + 424 passed). The rest ofpackages/cliwas not run; vitest isolates per file, but that is an assumption, not a measurement — and main'sfeat(live)advance added a wholesrc/serve/live/subsystem whose own suites I did not run. npm run buildwas not re-run: the workspacedist/was pre-built at HEAD by CI, and the changed file is test-only source that vitest consumes from TypeScript.tsc --noEmitforpackages/clicovers it at compile level, with a planted-error liveness proof.- The five potential-victim assertions in the
maybeOpenWebShellBrowserblock were not driven; the demonstrated victim is the sixth reader in the manual-URL test. - C1 was not independently re-derived. Its source anchors were re-verified (same
serve.tsblob, same line numbers), but the argument itself is round 4's. - The coverage-merge
ENOENTflake the body explicitly scopes out was not investigated. - macOS/Windows not tested (Linux only), matching the body's own table.
Methodology
Environment: node:22-bookworm CI verify container (node v22.23.2, 64 cores, load average ~16-18 during the round), merge-ref checkout at depth 2 (HEAD = merge commit 9f55abfc, HEAD^1 = base tip f649d65d == origin/main, HEAD^2 = PR head 6ca85e0b), with npm ci + npm run build pre-existing at HEAD. Because the diff is one test file and no dependency, config or production source changed in the effective diff, the A/B swapped that single file between its base-tip and head versions in place rather than rebuilding a worktree; removeHunkA(head) === git show HEAD^1:… is asserted byte-identical, every mutation is proven block-scoped by stripping the union of targeted it() blocks (checking them one at a time is wrong when two are mutated — the other mutated block is "outside" the one being checked), the scope check carries its own bystander-tamper liveness control, and every arm is proven valid TS by an esbuild transform before it is run. The margin harness drives the real vitest child process and records the awaited phase with a recording mockImplementation installed inside T417's own body, written out via fs.appendFileSync because packages/cli/vitest.config.ts:237 sets silent: true and the victim test spies on process.stderr.write; the 12/12 "exactly one phase recorded" assertions prove the call landed while the recorder was live, and vitest's own --reporter=json durations are the second, external instrument. Its "loaded" regime spawns 64 busy node workers for the duration of each run. Every harness restores the pristine file in a finally and asserts the file matches the HEAD blob and git status --porcelain is empty; four discarded harness iterations are preserved under logs/ and disclosed under Corrections. Raw per-cell vitest output (18 A/B logs, 13 margin runs, 10 mutation runs, 12 gate logs), per-harness assertion JSON, and the six evidence captures are in this artifact directory. Assertion tally: A/B 331, margin 56, static 12, mutation 120, gates 29, surgery smoke 157 = 705 pass / 0 fail / 705 total, where the smoke harness's single by-design control red (scopecheck:LIVENESS:…) is named and excluded from fail because an expected red is a passing control.
Evidence images
01-ab-matrix-base-red-head-green.png— the 18-cell matrix as the harness printed it during the live run, surgery self-checks included (per-cell tally strings in this image render vitest'sFailed Tests Nheader; image 02 carries the corrected tallies)02-testplan-recipe-green-on-both-arms.png— F-1: the same 18 cells re-rendered from the saved per-cell logs with the tallies vitest actually printed, then the body's Test Plan recipe shown green on base and head and red only with hunk B removed03-waitfor-cap-margin-and-bounded-failure.png— awaited phase 0.094 ms ambient / 3.91 ms saturated vs the 1000 ms cap; a call that never comes fails bounded at 1057.6 ms04-gates-green-with-liveness-proofs.png— unforced rounds, neighbour suites, eslint/prettier/tsc each green with a planted-violation proof, and the repo-wide lint run showing all 149 errors inside the scratch dir05-static-completeness-ab-4of5-to-5of5.png— static completeness A/B, base 4/5 → head 5/5, L417 the only difference06-mutation-matrix-survivors-adjudicated.png— mutation matrix with the two finer mutants (M4 wrong-spy wait, M5 bare macrotask yield) and the same-file positive control
— Qwen Code · sandboxed verification
Flakiness gate log
rounds=5 files=1 skipped=0
file packages/cli/src/commands/serve.test.ts: (cd packages/cli) npx --no-install vitest run ./src/commands/serve.test.ts
per-file results (P=pass F=fail I=infra-exit, one letter per run):
packages/cli/src/commands/serve.test.ts: PPPPP
verdict: pass
summary: 1 changed test file(s) x 5 identical rounds, no divergence
--- per-invocation detail (full copy in the artifact) ---
round 1 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 2 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 3 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 4 · packages/cli/src/commands/serve.test.ts: P (exit 0)
round 5 · packages/cli/src/commands/serve.test.ts: P (exit 0)
Evidence images
Harness scripts and raw logs are in the workflow run artifacts (7-day retention).
— Qwen Code · sandboxed verification
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Critical-only review at head 6ca85e0b. Not approving: the one blocking finding on this PR still stands at this head, and it is about the claim the PR makes rather than the code it ships. The code itself I found clean.
R1-1 still stands — the body certifies a fix the diff does not contain
Read against the live PR body and the live issue at this head, not the thread flag:
- The body still says
Fixes #11414— in both language halves — and its "Why it's needed" section still names run34289483217/ commit422929b3a7as the failure this change repairs, and still offers that run's signature (an unattributed failure inTest (ubuntu-latest, Node 22.x), stepRun tests and generate reports) as the mechanism being fixed. - Issue #11414 is a different failure and is already closed. It is
CLOSED / completedsince 2026-09-09T11:42:46Z, and its body records exactly one observable: theTest (ubuntu-latest, Node 22.x)job of run34289483217failing at commit422929b3a7. @yiliang114 ruled on the thread at 2026-09-09T11:42:49Z that the issue was resolved by #11406, that the run had no unattributed serve teardown failure — its only failed tests were the two web-shell split-session cases raisingReferenceError: mockUseDaemonActivePromptBridge is not defined— and that this change "should not be presented as the fix for #11414". - The whole diff at this head is three lines in
packages/cli/src/commands/serve.test.ts: oneawait vi.waitFor(...)plus its two-line comment. Nothing inpackages/web-shell, no production code. - The author-side loop has confirmed the finding is correct and cannot remedy it: the autofix agent holds no GitHub credentials and the PR body is workflow-owned metadata, so it escalated the body edit as a maintainer action and left the thread open on purpose.
reviewDecisionisCHANGES_REQUESTEDon the strength of exactly this finding.
This is not resolvable from the code, and it is the only thing between this PR and a merge.
Current head — Critical-only scan, no finding
The change adds, inside applies authenticated open before the yargs path starts the daemon:
await startServeHandlerWithArgs('--open-with-auth');
// Wait out the fire-and-forget handler's browser-open phase so its
// openBrowserSecurely call cannot land in the next test.
await vi.waitFor(() => expect(mockOpenBrowserSecurely).toHaveBeenCalled());- It is assertion-preserving. No expectation is removed, weakened or reordered; the three existing assertions still run after the wait. This is the shape the repository's deflake policy asks for.
- It cannot hang.
vi.waitForbounds itself, so a handler that never reaches the browser-open phase fails the test in about a second rather than parking it until the suite deadline — which is the failure mode the issue signature describes. - It waits on the right side effect. The wait target is the last observable of the fire-and-forget handler's own work, so the handler is quiesced before the next test installs its one-shot throwing mock; waiting on an earlier side effect would leave the race open. The maintainer's forced-race A/B at this exact head reports that of the three candidate wait targets only this one closes the race, and that the two mutants which wait earlier still leak.
- Scope is complete for the file. No other call site in the suite is left starting an unawaited handler that this diff's own class of leak would cover, and the change touches no production path, so no runtime behaviour can regress.
CI at this head
Every check passes — unit tests, lint and static analysis, integration tests, the web-shell smoke gate, the TUI gates and review-pr. Nothing pending, and no failure attributable to this PR.
Next step
A maintainer needs to edit the PR body: drop Fixes #11414 from both language halves and keep the issue as context, pointing the tracking claim at the occurrence this change actually addresses (#11346 is the one the thread names as still relevant). The autofix loop has a ready-to-paste replacement in its latest round report. Once the body no longer certifies a fix for a failure it does not touch, the code side needs nothing further — it is already verified at this head by a maintainer's A/B run and by a green suite.
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Triage re-run completed without a new review.
The stage comments above were updated with the latest result. View workflow run. 上方各阶段评论已更新为最新结果。查看工作流运行。 |
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： 🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： AutoFix round — no code change (PR-body edit remains the only blocker; needs a maintainer)VerdictNo code change this round. The one blocking finding — [rv:5174992550] R1-1, the PR body still certifying Feedback dispositions
Verified facts (this round)
Paste-ready replacement PR body (updated)Implements the reviewer's next step verbatim: drops ## What this PR does
The serve command's test for authenticated open (`--open-with-auth`) now waits for its fire-and-forget handler's browser-open phase to finish before the test returns, so a trailing browser-open call can no longer leak into the next test, which asserts the browser was never opened.
## Why it's needed
The serve handler is fire-and-forget: the test's anchor resolves as soon as the daemon entry point is invoked, but the handler continues downstream — awaiting the runtime-ready promise and then opening the browser — on work the test never awaited. Under a real scheduling delay (e.g. an oversubscribed CI host) that browser-open can execute after its test has returned and fail the following test's assertion. #11362 quiesced the Local Control pairing phase of this same handler; this PR closes the remaining browser-open phase of the authenticated-open path. (See #11414 for the CI signature that motivated the original investigation — its recorded failure was a Web Shell `ReferenceError`, already resolved by #11406.)
## Reviewer Test Plan
### How to verify
Force a real macrotask window between the test's anchor and the browser-open: in the first `--open-with-auth` test, make the mocked daemon result's runtime-ready promise resolve ~300 ms late, e.g. `runtimeReady: new Promise((resolve) => setTimeout(resolve, 300))`. Then run `cd packages/cli && npx vitest run src/commands/serve.test.ts`:
- With this PR's wait removed: the delayed browser-open lands in the next test and breaks its assertion that the browser was never opened — 1 failed | 69 passed.
- With this PR as-is: 70/70 passed.
On unmodified mocks the wait is a no-op — the downstream chain is microtasks only and has always drained by the time the anchor is observed (measured 25/25 runs, including under CPU oversubscription) — so this is scheduling insurance, not a fix for a currently-red signature. Suite cost is unchanged. If the awaited browser-open ever became unreachable, the wait gives up at its 1000 ms default with a named, attributed assertion failure — bounded, never a hang.
### Evidence (Before & After)
N/A — test-only hardening; no user-visible behavior change.
### Tested on
| OS | Status |
| :--------: | :--------------: |
| 🍏 macOS | ⚠️ not tested |
| 🪟 Windows | ⚠️ not tested |
| 🐧 Linux | ✅ tested (70/70) |
### Environment (optional)
N/A — unit tests only.
## Risk & Scope
- Main risk or tradeoff: worst case is a bounded, attributed 1 s wait-timeout failure if the awaited call ever became unreachable; never a hang.
- Not validated / out of scope: no other test in this file needs the same wait — the one structurally similar sibling awaits the runtime-ready promise before its anchor point, so nothing observable outlives its anchor.
- Breaking changes / migration notes: none.
## Linked Issues
Related to #11346 (the occurrence the thread names as still relevant), #11414 (closed as resolved by #11406 — a different failure signature), and #11362 (merged sibling quiescence for this handler).
<details>
<summary>中文说明</summary>
## 本 PR 做了什么
serve 命令的认证打开（`--open-with-auth`）测试现在会等待其 fire-and-forget handler 的打开浏览器阶段结束后才返回，因此滞后的打开浏览器调用不会再泄漏到下一个（断言浏览器从未被打开的）测试中。
## 为什么需要
serve handler 是 fire-and-forget 的：测试的锚点在 daemon 入口被调用时即完成，但 handler 仍会继续向下游执行 —— await runtime-ready promise，然后打开浏览器 —— 这些工作测试从未等待。在真实的调度延迟下（例如超负荷的 CI 主机），这次打开浏览器可能在其所属测试返回后才执行，从而使紧随其后那个测试的断言失败。#11362 已经静默了同一 handler 的 Local Control 配对阶段；本 PR 关闭认证打开路径剩余的打开浏览器阶段。（最初促成此项排查的 CI 失败签名见 #11414 —— 其记录的失败是 Web Shell 的 `ReferenceError`，已由 #11406 解决。）
## 审查者测试计划
### 如何验证
在第一个 `--open-with-auth` 测试中，让 mock 的 daemon 结果里的 runtime-ready promise 延迟约 300 ms 解决，在锚点与打开浏览器之间制造真实的宏任务窗口，例如 `runtimeReady: new Promise((resolve) => setTimeout(resolve, 300))`。然后运行 `cd packages/cli && npx vitest run src/commands/serve.test.ts`：
- 去掉本 PR 的等待：被延迟的打开浏览器落进下一个测试，打破其「浏览器从未被打开」的断言 —— 1 failed | 69 passed。
- 保持本 PR 原样：70/70 通过。
在未改动的 mock 下该等待是空操作 —— 下游链路全是微任务，在锚点被观察到时总是已执行完毕（实测 25/25 次运行，包括 CPU 超额订阅场景）—— 因此这是针对调度延迟的保险，而不是对当前红色签名的修复。套件耗时不变。若被等待的打开浏览器调用变得不可达，等待会在 1000 ms 默认超时处放弃并给出有归属的具名断言失败 —— 有界，绝不悬挂。
### 证据（前后对比）
N/A —— 仅测试加固；无用户可见行为变化。
### 测试平台
| 操作系统 | 状态 |
| :--------------: | :--------------: |
| 🍏 macOS | ⚠️ 未测试 |
| 🪟 Windows | ⚠️ 未测试 |
| 🐧 Linux | ✅ 已测试（70/70）|
### 环境（可选）
N/A —— 仅单元测试。
## 风险与范围
- 主要风险或取舍：最坏情况是被等待的调用变得不可达时，等待在 1 秒超时处给出一个有归属的有界失败；绝不悬挂。
- 未验证 / 范围之外：本文件没有其他测试需要同样的等待 —— 唯一结构相似的兄弟测试在其锚点之前就 await 了 runtime-ready promise，因此没有任何可观测行为能活过其锚点。
- 破坏性变更 / 迁移说明：无。
## 关联 Issue
关联 #11346（讨论串中指认的仍然相关的 occurrence）、#11414（已由 #11406 关闭 —— 失败签名不同）与 #11362（已合并的、针对同一 handler 的兄弟静默改动）。
</details>Once a maintainer applies that body edit (retitling along the lines of Verification
中文说明AutoFix 本轮 —— 无代码改动（PR 描述编辑仍是唯一阻塞项，需要维护者操作）结论本轮无代码改动。唯一的阻塞发现 —— [rv:5174992550] R1-1，即 PR 描述仍声称 反馈处置
本轮核实的事实
可直接粘贴的替换 PR 描述（已更新）逐字落实评审者的下一步：在两个语言版本中去掉 （上方英文部分的代码块即完整替换文本，已按 PR 模板自带中文翻译，此处不再重复粘贴。） 维护者应用该描述编辑后（标题同步改为类似 验证
Base-conflict check · 基分支冲突检查: no conflict with main. · 与 main 无冲突。 🧠 Handled by Qwen Code · model/模型 |
github-actions
Bot
removed
the
review/self-reported
Withdrawing the withholding in my two prior reviews — the one blocking ground is resolved at
|
| R1-1 asked for | State at 9fc78a24c105 |
|---|---|
Drop the Fixes #11414 trailer from both language halves |
Gone from both — no Fixes trailer anywhere in the body |
| Keep #11414 as context, disclaiming it | Both halves now carry it: "#11414 is not addressed by this PR: that run failed on an unrelated packages/web-shell test, which #11406 resolved." / "本 PR 不处理 #11414…" |
| Point the tracking claim at the occurrence this change actually addresses | Related to #11346 (same cross-test leak class; the pairing-test wait for it landed in #11362) |
| Drop the superseded run/commit citation | 34289483217 and 422929b3a7 no longer appear in the body |
| Align "What this PR does" with the hunk actually at head | It now describes the browser-open wait in applies authenticated open before the yargs path starts the daemon, and names #11362 as having landed the Local Control pairing-test half on main first |
That closes both halves of R1-1 — the false root-cause certification and the description/hunk mismatch.
2. The diff I measured is the diff at head
The head moved 6ca85e0b622a → 9fc78a24c105 via a Merge branch 'main', so the PR's own content is unchanged: 1 file, packages/cli/src/commands/serve.test.ts, blob f151086f7b92, +3/−0, zero production files — byte-identical to what my 04:34Z review scanned.
Because a main merge can falsify a +import line invisibly (the patch is a diff against the merge base, so a symbol main contributed through the merge is on neither side of it), I ran the compile-level check on the head blob rather than on the patch: exactly one declaration site of mockOpenBrowserSecurely (:15, vi.hoisted), 7 import lines, zero duplicate import paths. No TS2300-class collision landed through the merge.
3. Executed A/B at the new head — when the wait is load-bearing, and what it costs
Run in a git archive scratch tree at 9fc78a24c105 (no build, no worktree), Node v24.18.1 / vitest 3.2.7, --retry=0. Evidence is a file witness, not stdout: packages/cli/vitest.config.ts:237 sets silent: true, so a console.log witness is muted and a muted zero is byte-identical to a true negative. Probes record mockOpenBrowserSecurely.mock.calls.length at four points; beforeEach calls vi.clearAllMocks(), so a call recorded in a later probe belongs to a later test.
| Arm | Change vs head | 417_at_start_return |
417_end |
440_pre_assert |
Result |
|---|---|---|---|---|---|
| A ×3 | none (wait present) | calls=1 |
calls=1 |
calls=0 |
70/70 pass, :417 ≈ 54 ms |
| B ×3 | the 3 added lines removed | calls=1 |
calls=1 |
calls=0 |
70/70 pass — indistinguishable from A |
| D | runtimeReady deferred 300 ms, wait absent |
calls=0 |
calls=0 |
calls=0 |
:417 returns in 56 ms with the browser-open call still outstanding |
| E | runtimeReady deferred 300 ms, wait present |
calls=0 |
calls=1 |
calls=0 |
70/70 pass, :417 = 306.5 ms |
| C | browser launch disabled, wait present | calls=0 |
(never reached) | calls=0 |
1 failed / 69 passed in 1064 ms |
What that settles:
- The wait is load-bearing exactly when the browser-open phase outlasts the harness's own poll — which is the production shape.
maybeOpenWebShellBrowserdoesawait handle.runtimeReady(commands/serve.ts:151) before it can reachopenBrowserSecurely(:183), and in productionruntimeReadysettles on real I/O. The shipped fixture suppliesruntimeReady: Promise.resolve(), so the whole path is microtask-only and arm B cannot reproduce the leak: A ≡ B in 3/3 trials, andsetTimeout(…, 0)is still inside the poll window (D ≡ E at 0 ms). Defer it by 300 ms and the un-waited test returns with the call outstanding (arm D), while the waited test absorbs exactly the delay and records the call inside the test that caused it (arm E). That is why the original failure is intermittent rather than constant: it needs a runner slow enough to push runtime-ready past the poll. - The wait's cost is proportional, not fixed. Arm E's
:417took 306.5 ms against a 300 ms deferral — it waits as long as the phase takes and no longer. Neighbouring tests are unaffected (:44055.2 ms in both arms). - "Cannot hang" is now measured, not asserted. My earlier review claimed
vi.waitForbounds itself. Arm C forces the browser-open phase never to happen with the wait left in place: the suite fails one test in 1064 ms (1 failed / 69 passed) rather than parking until the suite deadline. So a future production change that stops launching the browser fails this test loudly in about a second. - The suite is green at the post-merge head: 70/70 in
serve.test.ts, 3/3 trials on the pristine blob (f151086f7b92, restored and re-hashed after every arm).
4. CI at head
commits/9fc78a24c105/check-runs census 23/23 complete. 11 product lanes: 8 success, 3 skipped, 0 non-green — including Test (ubuntu-latest, Node 22.x), Lint & Static, Integration Tests (no-AK, No Sandbox), web-shell E2E Smoke, TUI parity snapshots, OpenTUI no-flicker gate and both Desktop Shell lanes. The three skipped are Test (macos-latest, …) and Test (windows-latest, …), which do not run for a non-main base. The only lane repo-wide that is not green is review-pr, still in progress — the review bot's own lane, never a CI verdict.
5. What this comment does not claim
- No production surface was exercised, because there is none — the diff is one test file. A tmux/interactive-TUI report could not measure anything about it, so the instrument here is the suite the change lives in plus the arms above.
- I did not reproduce the maintainer's forced-race A/B, and arm B is the reason: the necessity of the wait under CI load rests on that A/B (three candidate wait targets, only this one closing the race) plus arm D's ordering inversion, not on anything I ran at head.
- The
NO CRITICALI recorded at6ca85e0bcovers the three added lines and their isolation mechanism. It is not a claim about the other 69 cases in the file.
Verdict: approving at 9fc78a24c105. The code side needed nothing further at 6ca85e0b and is byte-identical now; the body side was the only outstanding item and it is closed.
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Approving at 9fc78a24c105. My two prior reviews withheld on one ground — the body certifying Fixes #11414, a fix this diff does not contain — and that ground is closed at this head: no Fixes trailer in either language half, both halves now disclaim #11414 and name #11406 as what resolved it, and the tracking claim points at #11346. The diff is byte-identical to the one I scanned at 6ca85e0b (1 file, packages/cli/src/commands/serve.test.ts, blob f151086f7b92, +3/−0, zero production files). The executed A/B, the bounded-failure measurement and the 23/23 CI census are in the comment posted alongside this review.
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🕐 Review received — an automatic review of the current head is still running, so this round is held until it lands (a push now would cancel it and discard its work, #8888). Your feedback stays queued for the next eligible round. 中文说明🕐 已收到评审 —— 当前 head 上仍有一轮自动 review 在运行，本轮暂缓（现在推送会取消该 review 并丢弃其工作，#8888）。反馈保持排队，等待下一次可运行的轮次处理。 |
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🤖 Reviewed the latest feedback — no changes needed. Why, point by point: · 已审阅最新反馈——无需改动。逐点说明原因如下： Autofix review round — no action requiredFeedback triageExactly one feedback item arrived since the last evaluation (2026-09-11T04:34:24Z), and it requests no change:
There are no inline comments, no review-body findings, no failed checks, and no still-red checks in this round's feedback. Action takenNone. The PR head is unchanged at VerificationNo code was changed, so no pre-commit verification was required. As independent confirmation of the state the approval certifies, the suite the change lives in was run once at this head:
中文说明Autofix 评审轮次 —— 无需处理反馈分类自上次评估(2026-09-11T04:34:24Z)以来只有一条反馈,且它不要求任何改动:
本轮反馈中没有行内评论、没有评审正文发现、没有失败的检查,也没有持续红色的检查。 采取的操作无。PR head 保持在 验证没有改动代码,因此不需要提交前验证。作为对批准所认证状态的独立确认,在本 head 上运行了一次该改动所在的测试套件:
Base-conflict check · 基分支冲突检查: no conflict with main. · 与 main 无冲突。 🧠 Handled by Qwen Code · model/模型 |
5 participants
What this PR does
Makes one more
serveunit test wait for its fire-and-forget handler to settle before the test returns. The testapplies authenticated open before the yargs path starts the daemonstarts the handler with--open-with-authand used to return as soon as the daemon mock had been called, while the handler still had its authenticated browser-open step ahead of it; it now also waits until that step has called the mocked browser launcher. This is the same quiescence pattern the neighbouring Local Control tests already use. Test-only; no production code changes.Note: an earlier revision of this PR also added the equivalent wait to the Local Control pairing test (
forwards --token and --allow-origin …). #11362 landed that identical change onmainfirst, so it is no longer part of this diff. The browser-open wait described here is what this PR still contributes; it is not a no-op now that #11362 has landed.Why it's needed
Without the wait, the handler's browser-open call can land in the next test,
prints the authenticated manual URL on the yargs headless path, whose final assertion is that the browser was never opened — so that test would fail for a reason that has nothing to do with its own behavior.On the file as it stands this cannot happen yet: the whole chain from the daemon mock to the browser open completes within a single microtask drain, before
vi.waitFor's timer-based poll can observe the daemon call, so CPU load alone does not trigger it. It becomes a real cross-test leak as soon as that window gains an asynchronous step of roughly one poll interval (≥ ~50 ms) — for example a productionawaitbefore the browser open, or a mock whoseruntimeReadyis genuinely asynchronous. This PR closes that latent hazard in the same way #11362 closed the equivalent one in the pairing test.Unlike the pairing-phase leak, this one cannot cause the unattributed whole-run failure (an unhandled
process.exit(1)): every failure of the browser launch is caught inside the handler, so its worst case is a named failure of the next test.Reviewer Test Plan
How to verify
The hazard only fires with an asynchronous stall in that window, so verify with a forced race window applied identically with and without this PR, then run
npx vitest run src/commands/serve.test.tsinpackages/cli:applies authenticated open before the yargs path starts the daemon, make the mockedruntimeReadyresolve after 100 ms instead ofPromise.resolve().prints the authenticated manual URL on the yargs headless path, make itsruntimeReadyresolve after 400 ms.AssertionError: expected "spy" to not be called at all, but actually been called 1 times. With this PR all 70 tests pass.Also confirmed under the same window: waiting on an earlier side effect instead (
mockApplyOpenWithAuthormockShouldLaunchBrowser) still fails, so the chosen wait target is the one that matters. With the file unmodified, both arms pass 70/70 idle, with every CPU core saturated, and under--sequence.shuffle(seeds 1–8), so the new wait does not hang when test order changes.Evidence (Before & After)
N/A (test-only change, no user-visible behavior). Maintainer verification with forced-race A/B, mutants and reachability probes: #11417 (comment) (Linux) and #11417 (comment) (macOS).
Tested on
Environment (optional)
N/A — unit tests only (Linux x64 with Node 22.22.2 and macOS arm64 with Node 24.18.1, vitest 3.2.7).
Risk & Scope
vi.waitForbounds the wait at 1 s even if a future change breaks that. With this change every fire-and-forget test in the file that still has work after its anchor is quiesced.startServeHandlerWithArgshelper, which would prevent the next hand-missed wait, is left as a follow-up.Linked Issues
Related to #11346 (same cross-test leak class; the pairing-test wait for it landed in #11362). #11414 is not addressed by this PR: that run failed on an unrelated
packages/web-shelltest, which #11406 resolved.中文说明
本 PR 做什么
让又一个
serve单元测试在返回前等待它的 fire-and-forget handler 稳定下来。测试applies authenticated open before the yargs path starts the daemon以--open-with-auth启动 handler，原先在 daemon mock 被调用后就立即返回，而 handler 后面还有带认证的浏览器打开步骤没执行；现在它还会等到这一步调用了被 mock 的浏览器启动函数。这与相邻 Local Control 测试已经采用的静默模式相同。仅测试改动，不涉及生产代码。说明：本 PR 的早期版本还给 Local Control 配对测试（
forwards --token and --allow-origin …）加了同样的等待。#11362 先把完全相同的改动合入了main，所以它已不在本 diff 中。这里描述的浏览器打开等待才是本 PR 仍然贡献的内容；#11362 合入后，本 PR 并不是空改动。为什么需要
没有这处等待时，handler 的浏览器打开调用可能落到下一个测试
prints the authenticated manual URL on the yargs headless path里，而该测试最后一个断言正是"浏览器从未被打开"——于是它会因为与自身行为无关的原因失败。以当前文件的状况，这还不会发生：从 daemon mock 到浏览器打开的整条链在同一次微任务清空内就跑完了，早于
vi.waitFor基于定时器的轮询观察到 daemon 调用，因此单靠 CPU 负载不会触发。一旦这个窗口里多出一个大约一个轮询周期（≥ 约 50 ms）的异步步骤，它就会变成真实的跨测试泄漏——例如生产代码在打开浏览器前多一个await，或者 mock 的runtimeReady变成真正异步。本 PR 以 #11362 关闭配对测试中同类隐患的相同方式，关闭这个潜在隐患。与配对阶段的泄漏不同，这一处不会造成无归属的整轮失败（未处理的
process.exit(1)）：浏览器启动的任何失败都在 handler 内部被捕获，所以它最坏的结果是下一个测试出现一次有名字的失败。审查者测试计划
如何验证
该隐患只有在那个窗口里出现异步停顿时才会触发，因此请用强制竞态窗口验证：在有无本 PR 的两种情况下等同地施加，然后在
packages/cli下运行npx vitest run src/commands/serve.test.ts：applies authenticated open before the yargs path starts the daemon中，把 mock 的runtimeReady从Promise.resolve()改为 100 ms 后解析。prints the authenticated manual URL on the yargs headless path中，让它的runtimeReady400 ms 后解析。AssertionError: expected "spy" to not be called at all, but actually been called 1 times。有本 PR 时 70 个测试全部通过。在同一窗口下还确认了：改为等待更早的副作用（
mockApplyOpenWithAuth或mockShouldLaunchBrowser）仍然失败，说明所选的等待目标才是关键。文件不做改动时，两臂在空闲、所有 CPU 核心占满、以及--sequence.shuffle（种子 1–8）下都是 70/70 通过，因此新等待在测试顺序变化时不会挂死。前后对比证据
N/A（仅测试改动，无用户可见行为）。维护者验证（含强制竞态 A/B、变异体与可达性探针）：#11417 (comment) （Linux）与 #11417 (comment) （macOS）。
已测试平台
环境（可选）
N/A——仅单元测试（Linux x64 + Node 22.22.2，以及 macOS arm64 + Node 24.18.1，vitest 3.2.7）。
风险与范围
vi.waitFor也会把等待限制在 1 秒内。本改动之后，文件中所有在锚点之后仍有后续工作的 fire-and-forget 测试都已静默。startServeHandlerWithArgshelper、从而防止下一次漏加等待，留作后续工作。关联 Issue
与 #11346 相关（同一类跨测试泄漏；针对它的配对测试等待已通过 #11362 合入）。本 PR 不处理 #11414：那次运行失败的是
packages/web-shell中一个无关的测试，已由 #11406 解决。