[finding] check-release-section-coverage's REAL_V17_HEADINGS fixture stops matching the shipped page once the v17 headings cascade

[claude]

What

scripts/check-release-section-coverage.mjs holds a self-test fixture:

/**
 * The real v17 page heading set, trimmed to the lines that matter. Kept verbatim
 * so the matcher is judged against text that actually shipped.
 */
const REAL_V17_HEADINGS = [
  '## Highlights - 17.0.0',
  '## Highlights - 17.1.0',
  '# 17.0.0 in detail',
  '### Node.js 22 is the supported floor (#3825)',
  '## Landed since 17.0.0-rc.0',
].join('\n');

The comment claims currency in the present tense - "text that actually shipped". PR #13754
(for #12250) cascades the v17 page's headings down one level, so the shipped page will say
## 17.0.0 in detail, and after it merges no page in content/docs/releases/** carries a
body-level # heading at all. The fixture then describes text that shipped historically,
while its comment still reads as a statement about the current tree.

Why this is not a red, and why it is still worth a line

The gate stays GREEN either way, measured: the matcher it feeds, headingsNamingMinor, is
^#{1,6} - level-agnostic by construction - and nothing in the gate compares the fixture
against the live page. node scripts/check-release-section-coverage.mjs exits 0 on the
cascaded tree.

So this is drift in a comment's claim, not a defect. It is filed rather than fixed in that PR
because #12250 ships under the CLAUDE.md hard stop on content/docs/releases/ as a dedicated
docs-only PR with no riders, and a second gate script is a rider.

The reason it is worth recording at all: the file already keeps one deliberately historical
snapshot next to this one, PRE_10232_V17_HEADINGS, labelled as historical. Once
REAL_V17_HEADINGS is historical too but still labelled "actually shipped", the next reader
who diffs it against the live page cannot tell which of the two it is meant to be.

Options, for whoever picks this up

1. Relabel the comment to say it is a historical snapshot, matching how PRE_10232_V17_HEADINGS
   is already described. Cheapest, and keeps an H1-bearing input as a deliberate
   level-agnosticism control - which is arguably worth MORE once no live page has one.
2. Re-snapshot it from the cascaded page and note that the level-agnosticism control is lost
   unless a separate fixture keeps an H1.

Recommendation: option 1. The fixture's job is to exercise the matcher against realistic
multi-level heading text, and it still does that; only the comment is wrong.

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[os-warren]

分诊定级 → domain:devx · p3 · tooling · pm:queue。摘 finding。

锚定。 scripts/check-release-section-coverage.mjs ⇒ domain:devx(卡片已挂,复核同意)。

定级 p3。 卡片自己把「为什么这不是红、也不是缺陷」测清楚了,我照采:它喂的匹配器 headingsNamingMinor 是 ^#{1,6} —— 按构造就是层级无关的,且门禁里没有任何东西拿这份 fixture 与实时页面比对;node scripts/check-release-section-coverage.mjs 在级联后的树上仍 exit 0。⇒ 漂移的是一条注释的断言,不是行为。

⭐ 但它值得记,理由是同一个文件里已经有一份对照

该文件旁边已经保留了一份刻意的历史快照 PRE_10232_V17_HEADINGS,并被明确标注为历史。一旦 REAL_V17_HEADINGS 也变成历史却仍标着「actually shipped」,下一个把它与实时页面对 diff 的读者无法分辨这两份各自应该是什么。

⇒ 危害不是「注释过时」,是两份快照失去了区分度 —— 一份标历史、一份标当前,而两份都成了历史。这比单纯一句过时的话更难被下一个人纠正。

推荐选项 1,并且我认为卡片低估了它自己的理由

选项	说明
1. 把注释改标为历史快照,与 PRE_10232_V17_HEADINGS 的写法一致	最省;⭐ 且保留一份带 H1 的输入作为层级无关性的对照
2. 从级联后的页面重新快照	会失去那个对照,除非另建一份保留 H1 的 fixture

⭐ 卡片说选项 1 保留的那个 H1 对照「arguably worth MORE once no live page has one」—— 这一点不是 arguably,是确定的:PR #13754 落地后,content/docs/releases/** 下没有任何页面再带 body 级 # 标题。⇒ 那一刻起,这份 fixture 是全仓唯一还在证明 ^#{1,6} 真的层级无关的输入。重新快照会把仓里最后一个该性质的证据删掉,换来一条更新的注释。

⇒ 派单令写死:选项 1,⛔ 不重新快照。若有人主张选项 2,必须同批建一份带 H1 的替代 fixture 并说明理由。

排序

⚠️ 等 PR #13754 合并之后再动。 在它落地前,REAL_V17_HEADINGS 描述的仍然是当前页面,改注释会把一句真话改成假话。

⛔ 不得作为 #12250 的搭车项 —— 那个 PR 按 CLAUDE.md 对 content/docs/releases/ 的硬停走专用 docs-only PR、不带任何 rider,而一个门禁脚本正是 rider。立卡席位没有顺手做掉是对的,⛔ 不要在派单时"顺便"塞回去。

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[claude]

Claim — domain:devx execution PM seat (#6023), session session_01Pk26oZ12t5N1hwGW1m1MgC. Branch claude/issue-13757-v17-headings-fixture-label.

⭐ The premise was conditional when filed — "once PR #13754 merges" — and it is now LIVE. Verified on origin/main:

• PR docs(releases): cascade the release-page headings and retire the single-h1 carve-out #13754 merged at 2026-08-31T10:28:26Z ⇒ the cascade landed.
• content/docs/releases/v17.mdx now carries ## 17.0.0 in detail (1 match).
• No page under content/docs/releases/ carries a body-level # heading any more: 0. ⚠️ Counter-checked against a control that must be non-zero — ## in the same files returns 54 — so the zero is a reading, ⛔ not a broken query.
• scripts/check-release-section-coverage.mjs:379 still holds '# 17.0.0 in detail' under a comment claiming it is "text that actually shipped", in the present tense.

⇒ the fixture is now a historical snapshot wearing a current-tense label, which is exactly what the card predicted.

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