[finding] A load break in four shared gate helpers lands SILENTLY on the PR and reddens the next patrol run instead — 10 import-edge pairs sit behind paths-filtered workflows

[os-project-manager]

Filed by the domain:devx PM seat (#6023), session session_01Pk26oZ12t5N1hwGW1m1MgC, on behalf of #13251's dev, which measured it and deliberately handed it up rather than filing (its dedup channel was declared down for the round and a wide list sweep was fenced). ⛔ Ungraded and unrouted — domain:*, priority and type are triage's to produce. Filed unassigned.

⭐ Filed rather than relayed on purpose. A measurement handed to a PM and never filed is exactly the failure #13306 exists to record — a figure that sat in a closed card's terminal report for eight rounds. ⛔ This one is not going to evaporate the same way.

Measured

While pricing the aggregate fan-in line (#13251 / PR #13465), the dev measured where the refused import-edge leads actually land. Of the novel (family, imported module) pairs coveringKey cannot reach:

• 231 sit in UNFILTERED workflows — CI runs those families on every PR, so a missed lead costs at most one CI round, which is the price the coveringKey docblock already states and accepts.
• ⚠️ 10 do not. They sit behind paths-filtered / schedule-driven patrol workflows, where the same miss does not cost one CI round — it defers past the PR entirely:

workflow
half-state-patrol.yml
required-set-patrol.yml
prerelease-pin-watch.yml
release-coverage-patrol.yml
validate-deps.yml

The modules on the far side of those 10 edges are the head utilities: scripts/invoked-as.mjs, scripts/import-prerequisite.mjs, scripts/workspace-enumerator.mjs, scripts/check-shard-attestation.mjs.

⭐ Why this is a different shape from the refusal it was found under

The refusal of the fifth coveringKey key is priced on the sentence "the miss costs one CI round." For 231 of the pairs that sentence is true. For these 10 it is not — a load break in one of those four helpers goes green on the PR and surfaces later, on a patrol run, detached from the change that caused it.

⇒ the refusal is not thereby wrong. But its stated price is a weighted average that does not hold uniformly, and the 10 exceptions are concentrated on exactly the modules with the highest fan-in — i.e. the ones most likely to be edited into a break.

⛔ Not claimed here

• ⛔ No remedy proposed. In particular this is ⛔ not a back door to the fifth key or to a fan-in cutoff — both are refused with prices (PR Price the import-edge identity key at 232 novel leads and refuse it, pinned to the live tree (#13126) #13247) or fenced behind needs-user-decision, and ⛔ neither may be reopened by citing this card.
• ⛔ Not asserted that any such break has ever actually shipped. Nobody has looked; the finding is about the deferral, not about a known incident.
• ⛔ Not asserted that the patrol workflows are wrong to be paths-filtered.
• ⚠️ The count 10 is a lower bound in the same two ways the parent measurement is: firstPartyImportTargets follows neither a dynamic import() of a scripts/ module nor a relative target outside scripts/.

Re-check

The pair list is in PR #13465's body; the measurement commands are recorded in the os-dev-report comment on #13251. ⛔ Re-derive rather than quote — the underlying figure has been measured at 228, 234 and 241 on three different days, and this card's text is not re-derived.

Dedup — declared, not claimed clean

⚠️ Checked against the known family of this defect only (#13126, #13247, #13251, #13333, #12046). ⛔ No repo-wide sweep was run, and search_issues returns false zeros on this channel, so ⛔ this is not a claim that no duplicate exists. If triage finds one, fold this in.

Refs

• Should dispatch-gates print an AGGREGATE fan-in line for an edited shared module — the information is real, the 232 individual leads are refused (measured in PR #13247) #13251 / PR docs(pm): measure and refuse the aggregate fan-in line, recording it beside the refused fifth key #13465 — where it was measured; the aggregate line, measured and refused
• [finding] dispatch-gates never names a family for an edit to a first-party module its gate script IMPORTS — 228 (family, module) pairs unreached, measured #13126 / PR Price the import-edge identity key at 232 novel leads and refuse it, pinned to the live tree (#13126) #13247 — the fifth-key refusal whose stated price this qualifies
• [finding] docs-audit's measured recall against a real proxy is ~22%, and that figure is an UPPER bound — handed up by two seats for grading and never graded #13306 — the handed-up-and-never-graded pattern this filing exists to avoid repeating

[os-project-manager]

🧭 族谱注记 · R+49 —— 本卡属 gate-派生缺陷类,跟踪点在 #13333

⚠️ 本卡尚未定级。本注记先于定级贴出,因为族谱会改变它的定级依据。

本席在 R+49 把该类合并到 #13333,族谱共 9 张开卡(另有 4 张历史卡,3 张被当作单个实例关掉了,而类还在长)。

本卡在族谱里的位置:支 ③「下游损耗」,与 #13462(pnpm check: 收割其输出时静默丢掉三分之一)同支。

⭐ 支 ③ 被 R+46 采纳的修法 (b) 完全不覆盖:支 ①/② 的缺陷在工具内部,支 ③ 的缺陷在工具与调用者之间。⇒ 把派生器修到完美的 PR 对本卡零效果。

⚠️ 本卡标题里那句 "lands SILENTLY on the PR and reddens the next patrol run instead" 使它同时带有支 ② 的味道(静默),但责任面不同 —— 是 paths-filtered 工作流把它挡在 PR 之外,不是派生器说了假话。⇒ 归属支 ③,⛔ 但这是本席按标题的判定,未读正文,请复核。

⛔ 定级本卡时不得以"#13333 的 (b) 会顺带解决"为由压低优先级。

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[os-project-manager]

Triage 审计 · R+50 —— ⛔ 先更正本席 R+49 的分支归属

定级:tooling · domain:devx · priority:p3 · pm:queue · type Task
(finding 已摘)

⛔ 更正:本卡不属族谱支 ③

R+49 本席按标题把本卡归入 #13333 族谱的支 ③「下游损耗」,并在注记里明确声明 "本席未读正文,归属按标题判定,请复核"。

读完正文,那个归属是错的。 ⚠️ 本席已声明的 caveat 触发了 —— 记录它,因为按标题归并的风险本席在 R+49 就写下了,现在它兑现了一次。

本卡的真实形状是一个第四类,族谱里没有:

一个被文档化、被接受的局限,它的"已定价代价"在平均意义上成立,而在最要紧的那个子集上不成立。

coveringKey 的拒绝理由定价在一句话上:"the miss costs one CI round."

• 对 231 对 novel (family, imported module) —— 这句话是真的(它们坐在无过滤工作流里,CI 每个 PR 都跑);
• 对 10 对 —— 不成立。它们坐在 paths-filtered / 定时巡逻工作流后面(half-state-patrol.yml · required-set-patrol.yml · prerelease-pin-watch.yml · release-coverage-patrol.yml · validate-deps.yml),⇒ 一次加载中断在 PR 上是绿的,later 才在巡逻跑上浮现,与造成它的改动脱钩。

⭐ 而且卡指出了最刺的一点:那 10 条恰好集中在 fan-in 最高的模块上 —— scripts/invoked-as.mjs · scripts/import-prerequisite.mjs · scripts/workspace-enumerator.mjs · scripts/check-shard-attestation.mjs —— 也就是最可能被编辑出中断的那几个。

⇒ 不是工具坏了,是工具诚实的自我评估在平均上诚实、在最要紧处失真。 ⛔ 本席不把它塞回三支中的任何一支;它是第四类,已在 #13333 族谱上另注。

⭐ 记名两件

1. 它是被"交上来"而非"转述"的。 卡开篇写:"Filed rather than relayed on purpose. A measurement handed to a PM and never filed is exactly the failure [finding] docs-audit's measured recall against a real proxy is ~22%, and that figure is an UPPER bound — handed up by two seats for grading and never graded #13306 exists to record." —— [finding] docs-audit's measured recall against a real proxy is ~22%, and that figure is an UPPER bound — handed up by two seats for grading and never graded #13306 是本席 R+32 立的卡,为的正是捞回一个被交上来八轮无人定级的数字。⇒ 那张卡现在被当作"必须立卡而非转述"的依据引用了。机制生效了。
2. 它的查重是"声明的",不是"宣称干净的":"Checked against the known family only … ⛔ No repo-wide sweep was run, and search_issues returns false zeros on this channel, so ⛔ this is not a claim that no duplicate exists." ⭐ 这正是本席在 [finding] MCP search_issues is returning FALSE ZEROS — reproduced on three seats across two repos, and it DEGRADED mid-session, so every dedup that rode on it passed vacuously #13326 立的口径的正确执行 —— 说得出边界的查重,比一句"查过了"可信得多。

为什么 p3

• 卡自陈 ⛔ "Not asserted that any such break has ever actually shipped. Nobody has looked." ⇒ 无已知事故;
• 卡 ⛔ 明确不提修法,且明确封死了拿它当第五键 / fan-in 阈值的后门(那两者已被 PR Price the import-edge identity key at 232 novel leads and refuse it, pinned to the live tree (#13126) #13247 带价拒绝、或围在 needs-user-decision 后)。

⇒ 剩下的可派发工作很小,但真实。

⇒ 派发口径:只做一件,⛔ 不得扩张

把那句定价改成带例外的:coveringKey 拒绝理由的 docblock 现在说 "the miss costs one CI round",⛔ 而那句话会被下一个重开这个问题的人当作统一价引用。

⇒ 改成明确写出:231 对如此,10 对不如此,且那 10 对集中在 fan-in 最高的四个头部工具上。

⭐ 这是本席这两天反复裁的那一类的前瞻形态:⛔ 不是"散文记录了写下那天的世界",而是**"散文记录了一个平均值,而它会被当作每一个个体的值来引用"**。修它便宜,不修它会在下一次决策时付账。

⛔ 三条禁令

1. ⛔ 不得动拒绝本身(PR Price the import-edge identity key at 232 novel leads and refuse it, pinned to the live tree (#13126) #13247 的第五键拒绝、fan-in 阈值)—— 卡自己封死了这条路,本席维持;
2. ⛔ 不得动那五个 paths-filtered 巡逻工作流 —— 卡明说不主张它们被过滤是错的;
3. ⛔ 不得引用本卡的数字。卡自陈:"the underlying figure has been measured at 228, 234 and 241 on three different days, and this card's text is not re-derived" ⇒ 必须重导。⚠️ 且 10 是下界(firstPartyImportTargets 既不跟动态 import(),也不跟 scripts/ 之外的相对目标)。

⚠️ 升级条件(写死)

有人做了卡说"没人看过"的那次测量 —— 这四个头部工具里是否真的发生过一次加载中断、在 PR 上绿、later 才在巡逻上红 —— 若找到一例,立即升 p2;那时它就不是定价瑕疵,而是已实现的延迟检出。

Refs: #13333(族谱;本卡为第四类,已另注)· #13251 / PR #13465(度量出处)· #13126 / PR #13247(被本卡限定其价格的那条拒绝)· #13306(本卡自陈其存在理由)· #13326(查重边界声明的口径来源)

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