[PM decision] skills lane batch 7 — raise the platform-readings.md line ceiling by the measured +34 so the intake family's eight readings can land

呈维护者裁决 —— skills 席(session session_019RfFHiRCSs3JXLK4cwcfox,os-steve),第 7 批,共 1 项(末批不足照呈)。裁后一行回批即可(「1A」/「1A, 但…」)。

1. `platform-readings.md` 满了:八条席位实测踩过的平台坑,补不进参考文件

一句话问题:八张卡各记录了一条席位在真实干活时踩到的 GitHub 平台坑(其中三张点名了那条缺失读数本可避免的事故);要把它们写进席位人人先读的参考文件,需要 34 行,而这个文件的行数上限已经顶满,文件内没有任何可删的东西来付账。

背景:.claude/skills/pm-dispatch/references/platform-readings.md 是各席位读平台行为的唯一参考,受行数棘轮约束(当前 324/324,余量 0;09-03 上午刚由维护者裁定的跨文件挪移把它从 314 抬到 324)。今天的 intake 家族飞行(链头卡 + 七张成员卡)把每条事实按文件口吻写出、按门禁真实预算(每行 120 字节,中文约 40 字)折行后实测:合计 +34 行;同一飞行找到的三处被后续实测推翻的旧说法已删(净 0 行,已作为草稿 PR 交出),但这三处散在三个段落里,删掉的字节凑不出一整行,按 2026-08-17「⛔ re-wrap 不得用作筹行」的裁定不能靠重排段落回收。派发时本席点名的最大候选支付项(计数墓碑段)实测是上午那次授权挪移的目的地,删它等于悄悄撤销一次已裁的落地 —— 本席派发词有误,已在卡上当众更正。

带 re-check 命令的前提:

上限与现状:node scripts/pm/check-skill-line-ratchet.mjs | grep platform-readings → is 324 lines (ceiling 324; headroom 0)。
逐成员成本(dev 实写实折,非估计):链头 +5(422 上限与 asc/desc 分区读法)· payload 通道 +5 · 搜索查询形 +3 · 通道信封 +6 · 队列仪表 +8 · 队列进度 +2 · 班末报告 +3 · 正文修复 +2 = +34。
可付账的删减:0 行(三处删减合计约 307 字节,不成整行)。
已在文件里、只需引用不必重写的七条事实已去重(mergeable_state unknown、auto_merge 非决策依据、is-ancestor 误用、SQUASH/merge 回显、反引号注释清洗、REST 403 + payload 读、双标签并集)。

选项 × 真实代价:

选项	做什么	真实代价(客户/席位可感知)
A 抬上限 +34(324 → 358)	在棘轮脚本里按裁定逐字引用抬上限,同一分支落八条事实	每个席位每次通读参考文件多读约 34 行(约 10%);换来的是八条已实测的坑不再靠每个席位自己再踩一遍
B 跨文件挪移付账	从别的参考文件净删 34 行来换	实测没有哪个文件有 34 行可删(`rest-channel.md` 88/88);硬挪等于拆掉另一份参考来喂这一份,读者两头都变差
C 劈半落地	只落能在本文件内付账的成员,其余关卡「不记录」	本文件内付账能力为 0,等于挑选丢弃哪几条实测事实 —— 没有任何证据支持这种挑选;被丢弃的坑照常被下一个席位踩
D 不落地	事实留在各自卡上,参考文件只保留已落的三处更正	每个新席位要从八张卡里各自重新发现这八条;三张卡点名的事故形态(去重查询构造错、claim 状态误读、合并落地误判)会重演

业务含义直译:A = 像给 runbook 加一章「我们踩过的坑」,一次写清,以后的人照读;B = 从别的章撕页来贴;C = 只写一半的坑,读者以为读全了;D = 每个新人自己再踩一遍。

四轴从业务立场论证:

项目长远合理性(≥50%):参考文件的长期终态是「席位读它就够了」,而不是「读它还得翻八张卡」。棘轮的本意是防止文件无限膨胀、保持可读,它自带的合法出口就是「有名有姓有尺寸的抬升 + 维护者裁定逐字引用」—— 今天上午 rest-channel 87→93、contract-review 60→65→68 都是这条出口。A 是缩小特例(把散落在卡上的事实收拢进唯一参考),不是扩大契约。
实际业务拉动(实测):八张卡都是席位在真实工作中取的读数,不是「读起来有用」;三张卡各自点名了一次真实事故。拉动是实测的、有名字的。
防 AI 犯错:文件今天还含有实测已推翻的说法(本飞行删了三处);缺失的八条正是替换它们的正确规则。不补,席位会继续照旧说法构造坏掉的去重查询、误读 claim 状态、把已落地读成没合 —— 静默错误,不是响亮拒绝。A 是收紧方向。
创业阶段不扩散:+34 行是内部参考文件的一次尺寸抬升,没有发布面、没有新契约键、没有永久维护义务(每行都是已实测的平台事实,过期时按同一棘轮删)。它是「八个席位各自重新发现同一件事」的最便宜替代。

推荐 + 回退 + 置信缺口:荐 A。回退 D(若维护者不愿抬升,宁可不写,也不劈半 —— C 是本分析最反对的选项:挑选丢弃哪几条实测事实没有证据)。本分析看不见的:① 这八条读数每班各被用到多少次(dev 实测的是尺寸,不是频率);② 一位中文更精炼的编辑能否把 34 行压到更少 —— dev 是按文件现有口吻写的,不是按最短写的,所以 34 可能是上界而非下界;若维护者愿意,可裁「A 但压到 ≤ N 行」。

裁后我会怎么执行(你不用管):A ⇒ 更正 PR(草稿,治理面,已请 os-zhuang / hotlong)照常人工合入后,同一分支派第二增量:棘轮脚本按本裁定逐字引用抬上限、八条事实落文件、成员卡以 Fixes 关卡,链头卡随之关闭;四张前朝 hold 卡按落地后的文件逐条核对证据再关。D ⇒ 成员卡按 not_planned 关闭并各自指向卡上的实测证据,三处更正照常落地。B/C ⇒ 按裁定字面执行并在轮报里报实测。

os-decision-facets
① 项目长远合理性:席位读一份参考就够,是缩小特例;棘轮自带的合法出口就是这种有名有姓的抬升(权重 ≥50%,荐 A)。
② 实际业务拉动:八条读数全部来自真实工作中的实测,三条点名了已发生的事故;零拉动的说法不成立。
③ 防 AI 犯错:不补则席位继续按已推翻的旧说法静默犯错(坏查询、误读 claim、误判落地);补上是响亮的正确规则,收紧方向。
④ 创业阶段不扩散:内部参考 +34 行,无发布面、无新契约键、无永久义务;是「八个席位各自重踩」的最便宜替代。
推荐:A(抬上限 +34,或「A 但压到 ≤ N 行」);回退 D;⛔ 不荐 C。
置信缺口:本分析看不见这八条读数每班的使用频率,也看不见更精炼的写法能把 34 行压到多少。

Generated by Claude Code

Maintainer ruling recorded — 1A: raise the `platform-readings.md` ceiling by the measured +34 (324 → 358) and land the intake family's eight readings. `needs-user-decision` → `pm:queue` in the same stroke.

Director seat, summon 14 (session_01LsEjuNMPitCHwEfYftZ1um, GitHub os-warren). Provenance: maintainer, live PM chat, 2026-09-04, decision batch #27, verbatim 「同意」 on the presented recommendation for this card (A; fallback D; ⛔ C refused). Premise re-verified at 04:41Z: check-skill-line-ratchet reports platform-readings.md is 324 lines (ceiling 324; headroom 0) on origin/main 25a59bd.

The ruling

The ceiling for .claude/skills/pm-dispatch/references/platform-readings.md is raised by the measured need, +34, to 358 — a named, sized raise under the ratchet's own maintainer exit. The ratchet script's raise cites this ruling verbatim in its comment, per the ratchet header's rule (a raised ceiling carries the maintainer decision that authorised it).
The eight readings land as the intake flight wrote them (chain head +5 · payload channel +5 · search query shape +3 · channel envelope +6 · queue instrument +8 · queue progress +2 · end-of-shift report +3 · body repair +2). The three retracted statements stay deleted.
⛔ Not B (no file has 34 lines to give), ⛔ not C (no evidence supports choosing which measured facts to drop), ⛔ no re-wrap used as line-funding (2026-08-17).
The +34 is a ceiling of the raise, not a target: if the eight readings land in fewer lines, the raise is the smaller number.

Execution constraints, for the skills seat

Governed surface (.claude/skills/**): draft PR, request review from both os-zhuang and hotlong, human merge; the corrections PR already in draft lands first, then the second increment on the same branch or a follow-on.
Tier: references/** face ⇒ opus construction with the in-seat contract-tier review (2026-08-20 rule); Clause-②: no.
Member cards close by Fixes; the chain head closes with them; the four earlier hold cards are checked against the landed file line by line before closing.

Ruling authority: maintainer 2026-09-04 (batch #27). Related: the intake family cards named on this card · scripts/pm/check-skill-line-ratchet.mjs.

Generated by Claude Code

Ruling received and executed — skills seat (session session_019RfFHiRCSs3JXLK4cwcfox, os-steve), 2026-09-04T05:02Z: 1A (director record 5535777772). The second increment is dispatched on the chain head #14133 (claim 5535911909; branch claude/issue-14133-platform-readings-intake-2; the ceiling row 324 → at most 358 with the ruling quoted verbatim beside it; the eight readings as PR #15012's table wrote them; governed ⇒ draft PR, both approvers requested, human merge). The seven members and the head are pm:dispatched again (the Blocked-by: target is this ruled card). This card is pm:dispatched as the carrier and closes with that PR (Part of #15013), after which the four prior-regime holds are closed with line-by-line evidence.

Generated by Claude Code

Closed — ruling 1A executed and landed. PR #15190 (the #14133 family's second increment) MERGED 96b4af88 at 2026-09-04T06:46:32Z by os-zhuang. On main 1bc3c092: .claude/skills/pm-dispatch/references/platform-readings.md is 358 lines and the ceiling row in scripts/pm/check-skill-line-ratchet.mjs reads 358 with this ruling quoted beside it. The eight member cards (#14133 #14694 #14743 #14778 #14798 #14605 #14898 #14445) were closed by the merge's Fixes keywords and are label-cleaned.

Two residues carry on under their own cards: #15192 (the third increment — the two post-ruling channel facts, the CDN-cache cause from #13387 and the Routine transport facts from #13257; it needs its own ceiling ruling, next decision batch) and #15191 (the ratchet's raise-vs-move pricing the dev worked around inside that PR). Closed as completed by the skills seat; pm:dispatched removed.

Generated by Claude Code

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[PM decision] skills lane batch 7 — raise the platform-readings.md line ceiling by the measured +34 so the intake family's eight readings can land #15013

1. `platform-readings.md` 满了:八条席位实测踩过的平台坑,补不进参考文件

Maintainer ruling recorded — 1A: raise the `platform-readings.md` ceiling by the measured +34 (324 → 358) and land the intake family's eight readings. `needs-user-decision` → `pm:queue` in the same stroke.

The ruling

Execution constraints, for the skills seat

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[PM decision] skills lane batch 7 — raise the platform-readings.md line ceiling by the measured +34 so the intake family's eight readings can land #15013

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1. platform-readings.md 满了:八条席位实测踩过的平台坑,补不进参考文件

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os-warren commented on Sep 4, 2026

Maintainer ruling recorded — 1A: raise the platform-readings.md ceiling by the measured +34 (324 → 358) and land the intake family's eight readings. needs-user-decision → pm:queue in the same stroke.

The ruling

Execution constraints, for the skills seat

claude commented on Sep 4, 2026

claude commented on Sep 4, 2026

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1. `platform-readings.md` 满了:八条席位实测踩过的平台坑,补不进参考文件

Maintainer ruling recorded — 1A: raise the `platform-readings.md` ceiling by the measured +34 (324 → 358) and land the intake family's eight readings. `needs-user-decision` → `pm:queue` in the same stroke.