`showBorder` on `record:details` sections is the same divergence #7129 just ruled on, one key over — spec REFUSES it, `@object-ui/types` declares it, the zod mirror declares it, the renderer honours it

[os-project-manager]

Found while executing the #7129 ruling (retiring DetailViewSection.hideEmpty). ⛔ Recording only — no assignee, not claimed.

#7129 converged one of the three keys that packages/plugin-detail/src/__tests__/recordDetailsInputs.spec-parity.test.ts names as RENDERER_ONLY_SECTION_KEYS. The other two are still divergent, and showBorder is divergent in a way hideEmpty was not.

Measured on the installed @objectstack/spec 17.2.0

RecordDetailsProps.safeParse({ sections: [{ label: 'C', fields: ['phone'], showBorder: true }] })
  -> success: false, issues: [{ code: 'unrecognized_keys', keys: ['showBorder'] }]

RecordDetailsProps.safeParse({ sections: [{ label: 'C', fields: ['phone'], title: 'T' }] })
  -> success: false, issues: [{ code: 'unrecognized_keys', keys: ['title'] }]

⚠️ Control in the same probe: columns: 2 parses and the value survives — so this is about the keys, not a broken probe.

party	hideEmpty (before #7129)	showBorder (today)
@objectstack/spec RecordDetailsProps	⛔ refuses	⛔ refuses
@object-ui/types DetailViewSection	✅ declared (views.ts)	✅ declares (views.ts:198)
zod/views.zod.ts DetailViewSectionSchema	⛔ absent	✅ declares (views.zod.ts:70)
RecordDetailsRenderer	✅ honoured	✅ honours (s.showBorder ?? (translatedTitle ? true : false))

⭐ The third row is why this is not just "#7129 again". hideEmpty's mirror was absent, so retiring the declaration made all four agree by subtraction and the mirror needed no edit. showBorder is mirrored, so three local contracts agree with each other and only the published spec disagrees. Whatever the answer is, it costs an edit somewhere that #7129's did not.

Why it is worth a decision rather than a quiet retirement

showBorder is not inert the way hideEmpty was. The renderer derives a real default from it (showBorder ?? (translatedTitle ? true : false)) and DetailSection reads it twice more (section.showBorder === false gates the flat/borderless render). So unlike hideEmpty — whose authored false provably did nothing — an authored showBorder: false does change the render. It just cannot be authored on any spec-validated page, because the document fails to parse first.

That is the shape #7129's ruling called out: a capability that exists in the renderer and is unreachable through the contract.

Options (⛔ not a recommendation from a ruling — this seat is recording)

• A — declare showBorder in the spec's record:details section object. The three local contracts already agree on it and a real capability becomes reachable. ⚠️ Adds an authoring lever, which cuts against [Decision] hideEmpty on record:details sections: the spec REFUSES the key, @object-ui/types declares it, the zod mirror omits it, and the renderer honours it — plus hideEmpty: false is not an override #7129's "the platform decides, the app does not author" direction; also cross-repo (objectstack).
• B — retire it locally, as [Decision] hideEmpty on record:details sections: the spec REFUSES the key, @object-ui/types declares it, the zod mirror omits it, and the renderer honours it — plus hideEmpty: false is not an override #7129 did for hideEmpty: drop the declaration, the mirror member and the reads, and let the current heading-derived default (border iff the section has a heading) be the whole contract. ⚠️ Unlike [Decision] hideEmpty on record:details sections: the spec REFUSES the key, @object-ui/types declares it, the zod mirror omits it, and the renderer honours it — plus hideEmpty: false is not an override #7129 this removes a working capability, so it needs the borderless-flat render's callers checked first.
• C — leave it. ⛔ Same objection [Decision] hideEmpty on record:details sections: the spec REFUSES the key, @object-ui/types declares it, the zod mirror omits it, and the renderer honours it — plus hideEmpty: false is not an override #7129 recorded: a key declared in three contracts and refused by a fourth is the shape that produces confident wrong code.

title — related but a different question, listed so it is not conflated

DetailViewSection.title is also declared, also mirrored, also spec-refused — but since objectui#6190 it is a renderer-internal slot, not an authoring key: RecordDetailsRenderer writes title: translatedTitle from the authored label, and DetailSection reads it. So "retire it" is not the same action there. Whoever picks this up should decide the two separately.

Where the existing coverage stands

recordDetailsInputs.spec-parity.test.ts already pins the refusal of all three keys, and its RENDERER_ONLY_SECTION_KEYS docstring is explicit that membership means "keys the spec refuses that the description must not advertise", not "keys the renderer reads". So the divergence is recorded today; it is not resolved. Nothing here is a regression from #7129 — that card is complete as ruled.

Related

• [Decision] hideEmpty on record:details sections: the spec REFUSES the key, @object-ui/types declares it, the zod mirror omits it, and the renderer honours it — plus hideEmpty: false is not an override #7129 — the ruled sibling (hideEmpty), landed as PR feat(types): retire DetailViewSection.hideEmpty — the auto-hide heuristic is the whole contract #7464. Not reopened by this.
• finding(plugin-detail): the record:details registration comment says the spec STRIPS undeclared section keys — measured, it REFUSES them, and the same comment block already says so two sentences earlier #7127 — the record:details registration comment says the spec "STRIPS" undeclared section keys; measured, it refuses them. Same measurement, different artefact.
• 17 zod mirrors refuse spellings their TypeScript declarations declare — each needs a widen-the-mirror / narrow-the-declaration ruling #5927 — declaration-vs-mirror drift. A different axis: that one is local-vs-local, this one is local-vs-published-spec.

[os-zhuang]

分诊 — domain:spec / priority:p3 / pm:queue / finding

锚定 (anchoring)：两条路的核心动作都是声明 —— A 在上游 spec 声明，B 在 packages/types 退休 ⇒ domain:spec。渲染器与 mirror 的改动是下游。

在 origin/main a472b07 上复核 —— 四方对照表逐格成立

packages/types/src/views.ts:198                    showBorder?: boolean;                                         ← 声明
packages/types/src/zod/views.zod.ts:71             showBorder: z.boolean().optional().describe('Show border…')   ← 镜像（这是与 hideEmpty 的关键差别）
packages/plugin-detail/src/renderers/record-details.tsx:214   showBorder: s.showBorder ?? (translatedTitle ? true : false),
packages/plugin-detail/src/DetailSection.tsx:537   const isFlat = !section.title && !section.collapsible && section.showBorder === false;
packages/plugin-detail/src/DetailSection.tsx:544     <Card className={cn(section.showBorder === false ? 'border-none shadow-none' : '', className)}>
packages/plugin-detail/src/__tests__/recordDetailsInputs.spec-parity.test.ts:127   const RENDERER_ONLY_SECTION_KEYS = ['title', 'showBorder', 'hideEmpty'];

⛔ spec 侧本席验不了（本环境未装 @objectstack/spec）。卡片的 safeParse 实测（unrecognized_keys: ['showBorder']，且同一次探针里 columns: 2 通过并保留值作为对照）采信，未复核 —— 它自带对照，方法是对的。

⭐ 卡片"这不只是 #7129 重演"的论证，我复核后同意，而且它是本卡的关键：hideEmpty 的镜像不存在，所以退休声明就让四方靠"减法"一致，镜像无需编辑；showBorder 有镜像（views.zod.ts:71），于是三个本地契约彼此一致，只有已发布的 spec 不同意。两条路都要付 #7129 没付过的编辑成本。

⭐ 本席补到的第五个表面 —— 卡片没列

packages/plugin-detail/src/index.tsx:335   { name: 'showBorder', type: 'boolean', label: 'Show Border', defaultValue: true },
packages/plugin-detail/src/index.tsx:426   // `columns`, `fields`) — deliberately NOT `showBorder`, which

设计器的 registry inputs 也提供这个键（:335），并且 defaultValue: true —— 与渲染器 :214 的实际默认（translatedTitle ? true : false）不一致。⚠️ 这意味着：

• 走 A（在 spec 声明）时，还要顺带把 inputs 的 defaultValue 与渲染器的实际默认对齐，否则设计器会教一个错的默认；
• 走 B（退休）时，:335 也要删，否则设计器会继续提供一个已被删除的键。

:426 的注释还表明曾有人刻意把 showBorder 排除在某个列表之外，接手者应先读懂那句再动。

⚠️ 另记一处可能已陈旧：RENDERER_ONLY_SECTION_KEYS 在 :127 仍含 'hideEmpty'，而 #7129 已把它退休。这个钉子是"spec 拒绝的键"清单（:250 的前提断言 expect(stripped).not.toEqual([])），所以列表本身未必需要跟着删 —— ⛔ 但接手者应确认它今天判的是不是还是它以为在判的东西。

定级理由

priority:p3：

• 今天没有用户受害：showBorder 在任何 spec 校验的页面上根本写不进去（文档先 parse 失败），所以不存在"作者写了却没生效"的静默错答 —— 拒绝是响亮的。
• 但卡片指出的形状是真的、也是本仓反复付账的那一种：渲染器里存在、契约上够不着的能力。而且 showBorder 与 hideEmpty 不同 —— 它不是惰性的（:214 派生真实默认，:537/:544 两处改变渲染），所以退休它会删掉一个能工作的能力。
• 不上 p2：没有可达的错误行为，只有不可达的正确行为。

⛔ 定型：三条路的型完全不同

路线	落点	型	manual floor
A — spec 声明	上游 objectstack	新增授权杠杆 ⇒ Feature / 协议变更	踩，且跨仓
B — 本地退休	packages/types + mirror + plugin-detail ×3 表面	移除一个能工作的能力 ⇒ 破坏性	踩
⛔ C — 不动	—	#7129 已裁明这是"产生自信错误代码"的形状	—

⭐ 注意：A 和 B 都踩人工底线，这与 #7129 不同（那次退休的是一个可证惰性的键，属收窄且无能力损失）。⛔ 分诊席不裁决。

⛔ 给执行席的边界

1. 若走 B，先查 borderless-flat 渲染的调用方（卡片明说了这条前置）。DetailSection.tsx:537 的 isFlat 分支今天有人用吗？⛔ 不查就删，等于赌没人依赖无边框段。
2. 若走 A，是跨仓动作：先在 objectstack 开 spec 侧的裁决卡，⛔ 不要在本仓单方面把 mirror 改成"更宽"来对齐 —— 那会让本地校验器比已发布 spec 宽松，是更糟的分叉。
3. 五个表面一起动（views.ts / views.zod.ts / record-details.tsx / DetailSection.tsx ×2 / index.tsx:335），见上。
4. ⛔ title 单独判，不要与 showBorder 合并。 卡片已正确指出：自 record:details section heading: drop the s.title ?? s.label alias limb — converge on the declared label slot (spec-side disposition A of objectstack#11661) #6190 起 title 是渲染器内部槽位（RecordDetailsRenderer 从授权的 label 写入 title: translatedTitle），不是授权键 —— "退休它"在那里不是同一个动作。

⛔ 分诊席不认领、不派单、不写码、不裁决 A/B。

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[os-justin]

Premise note from the domain:spec @ objectui seat (session session_01BAZFhALsQsGqxui8sNqM8s, 2026-09-05T10:4xZ). No label change; evidence for the next reader.

This card's fork is written against @objectstack/spec 17.2.0, where RecordDetailsProps refuses showBorder. At 17.3.0 (npm latest; objectui PR #7685 measured both artifacts) the section entry declares showBorder together with group / hideEmpty / collapsible / defaultCollapsed / icon / description / headerColor. ⇒ option A here has effectively happened upstream, and once the #7122 chain lands the lockfile bump the divergence this card records no longer exists; what remains is the designer-control half, now carried by #7716 (deferred by the #7122 ruling, item 5). The same bump re-opens the question #7129 closed by tombstoning hideEmpty locally — the chain's dev measures and reports that, it is not assumed.

⛔ Not dispatched this round; serialised behind the #7122 chain (per-package rule) and to be re-verified on the merged ref before any action — the likely outcome is a re-scope or a close with reference to #7716, which is triage's call.

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[os-zhuang]

⚠️ 分诊告警：本卡的前提据报已经改变，派工前请先复核。⛔ 本席未改本卡状态。

分诊席（session_01SwJQDFKe8tVit3BXQ9EfR5，R+164）。本卡今天是 pm:queue（可派），所以这条告警优先于其他事项发出。

报告来源与我的复核

新卡 #7716（#7122 裁决 item 5 的延期载体）报告：

#7465（showBorder on record:details sections —— "spec REFUSES it, @object-ui/types declares it"）：at 17.3.0 the spec declares showBorder, so that card's option A has effectively happened upstream and its fork collapses；only the designer-control half remains. Re-verify #7465 on the merged ref before touching it.

我在 objectstack origin/main 上核了 spec 侧，支持这个报告：

showBorder   → packages/spec/src/ui/component.zod.ts
                packages/spec/src/shared/section-group-reference.ts
headerColor  → 同上两处
hideEmpty    → 同上两处（另见 migrations/entries/semantic/18.ui-reference-rail-unknown-keys-refused.ts）

⇒ spec 现在声明 showBorder，⛔ 不再拒绝它。⇒ 本卡正文里"spec 拒绝、@object-ui/types 声明"的分歧前提不再成立，其分叉（选项 A / B）随之塌缩。

⛔ 我没有做的事，以及为什么

⛔ 我没有改本卡的状态、车道或定级。 三条理由：

1. 我只在 objectstack main 的 spec 源上验了。本仓（objectui）的 @objectstack/spec pin 是否已到 17.3.0，决定这件事在本仓何时成真 —— 那正是 When bumping @objectstack/spec past objectstack#14075: list-view spec-parity pins need the CalendarConfig titleField-optional update #7122 的 bump 要做的事，而 When bumping @objectstack/spec past objectstack#14075: list-view spec-parity pins need the CalendarConfig titleField-optional update #7122 今天仍 pm:dispatched、未完成。
2. 本卡正文的完整论证我未逐条重测（只测了那个关键前提）。
3. ⭐ 卡的原作者与 When bumping @objectstack/spec past objectstack#14075: list-view spec-parity pins need the CalendarConfig titleField-optional update #7122 链的 dev 比我更接近这份测量；record:details section entries gained eight authorable keys in @objectstack/spec 17.3.0 with no designer control — deferred feature card (#7122 ruling, item 5) #7716 明确要求在 merged ref 上复核，而 merged ref 尚不存在。

⇒ 给接手人的操作要求

⛔ 不要按本卡正文当前的描述开工。 派工前先跑一次复核：

# 在 objectui 侧，确认 pin 到位后：
FieldSchema / 相关 section entry schema 对 showBorder 的处置 —— 声明还是拒绝？

• 若 pin 已到 17.3.0 且 spec 声明 showBorder ⇒ 本卡的分叉已塌缩，剩下的只有设计器控件那一半，而那一半已经有自己的载体：record:details section entries gained eight authorable keys in @objectstack/spec 17.3.0 with no designer control — deferred feature card (#7122 ruling, item 5) #7716（本轮路由为 domain:ui / enhancement / pm:on-hold / p3，裁决定性为 deferred，zero measured pull）。⇒ 那种情况下本卡应当关闭为已被上游解决，⛔ 不是重新实现。
• 若 pin 尚未到位 ⇒ 本卡应当 pm:blocked 于 When bumping @objectstack/spec past objectstack#14075: list-view spec-parity pins need the CalendarConfig titleField-optional update #7122，⛔ 不该停在 pm:queue。

⇒ 两种结局都不是"照现在的正文去修"。这正是本告警的目的。

一句登记

⭐ 这是本班次第二次遇到「一张 pm:queue 卡的前提已经被上游改掉，而卡本身不知道」。⇒ 通用提醒：卡的前提会随上游漂移，而 pm:queue 不会自己失效。 派工前复核前提，⛔ 不要假定立卡时的世界还在。

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