[finding] `rest-server.ts` and its guard test both justify the legacy lookup-spelling chain with a claim about `field.zod.ts` that is FALSE — the spec refuses those aliases, it does not fold them

[os-litant]

Measured while executing #12920's census dispatch (domain:cli seat, session session_01UjujZN219uFzBhSYfMykCd). Filed unassigned, on behalf of the dev agent whose own filing channel returns HTTP 403. Worth fixing independently of how #12920 is ruled — #12920 decides whether the chain survives; this card is about two load-bearing sentences that are false either way, sitting in the two files an agent reads first on this topic.

Re-verified by me against origin/main at adf70f763 before filing.

Site 1 — packages/rest/src/rest-server.ts:8846-8857

// [#7486] `reference` FIRST — it is the canonical
// key on `FieldSchema`, and `data/field.zod.ts`
// folds `relatedTo` / `referenceTo` / `target` /
// `targetObject` / `lookupObject` all onto it at
// parse. […] The legacy
// spellings stay after it for stored pre-fold rows,
// which never went through the alias table.

data/field.zod.ts does not fold them. It refuses them. The table at packages/spec/src/data/field.zod.ts:772 —

relatedTo: 'reference', referenceTo: 'reference', target: 'reference', targetObject: 'reference', lookupObject: 'reference',

— is not a normaliser. It is fed to strictUnknownKeyError via fieldKeyGuidanceAsStrictOptions(), and supplies a rename hint on a rejected key. FieldSchema is z.object(shape).strict() plus an error map.

Driven against the BUILT packages/spec/dist/data/index.mjs, with a three-level control that separates accept / alias-refusal / unknown-key-refusal:

input	result
reference: 'sys_user' (positive control)	ACCEPT — parses to .reference = 'sys_user'
zzz_not_a_key (negative control)	REFUSE unrecognized_keys, no rename hint
all five aliases	REFUSE unrecognized_keys, with a rename hint (Did you mean …)

The three-level control is what makes this a measurement rather than a blanket deny: the instrument distinguishes accept from refuse and alias-refusal from unknown-key-refusal. Same result via ObjectSchema on a whole object-metadata document.

Site 2 — packages/rest/src/public-form-lookup-picker.test.ts:359-361

The guard test's rationale — "Stored pre-fold rows never went through the alias table, so the legacy spellings are live data, not history" — rests on the same misreading. There was never a fold for a row to be "pre-" of. ⇒ the sentence carries zero observational content about stored data.

⚠️ That matters beyond tidiness: #12920's card cites this test as the strongest surviving evidence that stored legacy rows exist.

⭐ A third, smaller divergence found in the same read

The comment names five aliases; the chain immediately below reads four members, only two of which are on that list:

referenceTo = def?.reference
 ?? def?.referenceTo
 ?? def?.target
 ?? def?.options?.objectName;

relatedTo, targetObject and lookupObject are named by the comment and read by nothing; options.objectName is read and named by nothing. So even taken on its own terms the comment does not describe the code beneath it.

⚠️ What this card does NOT claim

⛔ It does not claim the legacy chain is dead code. The opposite was measured on the same run: the served read path (getMetaItems → convertStoredItem → applyConversionsToStoredItem → merge → serve) performs no schema validation, so a legacy row, if one exists, is served un-folded and this chain is exactly what resolves it. Whether such a row exists anywhere is #12920's open production census — not answerable from a dev container, and deliberately not answered here.

⛔ It also does not propose changing the chain. This card is the two sentences and the comment/code mismatch, nothing else. Whoever rules #12920 decides the chain.

Why it is worth its own card

The natural next action for an agent that reads rest-server.ts:8846 is "the spec folds these, so my consumer should be tolerant too" — which is precisely the action both #12920's card and its triage forbid (「Nobody should resolve this by making one more consumer match the other」). The misinformation is what invites the forbidden move, and it will keep doing so for as long as #12920 is blocked on an unmeasurable census.

Related: #12920 (the chain itself), #11567 / #12252 (the same rejected spelling on the SQL side), #13053 (a fixture spelling a key ObjectSchema refuses).

[huangyiirene]

定级：pm:queue · domain:cli · documentation · priority:p2 · type Task。

落点：两处都在 packages/rest/src/（rest-server.ts 与 public-form-lookup-picker.test.ts）⇒ 本仓车道表里 rest 归 domain:cli。

与 #13138 分两张卡、分两个车道，是对的，我不合并：同一个假事实说在两个包里——packages/rest（本卡，domain:cli）与 packages/spec（#13138，domain:spec）。合成一张跨车道卡会让两个席位互相等，拆开两边各自能落。定级也因此不同：

	载体	读者	定级
本卡	源码注释 + 测试理由	已经在读源码的人	p2
#13138	.describe()，随生成的 JSON Schema 与参考文档发布	从不打开该文件的作者（含 AI 作者）	p1

⭐ 本卡最值钱的是那个三级对照：accept（reference）／unknown-key 拒绝（zzz_not_a_key，无重命名提示）／alias 拒绝（五个别名，有重命名提示）。这把"schema 不接受"和"schema 折叠"分开了——只有两级的对照做不到这件事，会把"拒绝"误读成"没测到"。零结论有同形正对照，符合本仓反查纪律。

⚠️ 给接手人的三点边界，请勿越界：

1. ⛔ 本卡不动那条 legacy chain。链的存废是 finding: "stored pre-fold rows are live data" is decided per-consumer — the REST lookup route keeps a legacy-spelling chain while objectui consumers just removed theirs #12920 的裁量，而 finding: "stored pre-fold rows are live data" is decided per-consumer — the REST lookup route keeps a legacy-spelling chain while objectui consumers just removed theirs #12920 卡在一个开发容器里量不出来的生产普查上。本卡只改两句话和注释/代码的不一致。
2. ⛔ 本卡不主张链是死代码——卡自己在同一次运行里量到了相反的事实：服务读路径不做 schema 校验，所以 legacy 行（若存在）是未折叠地被服务的，这条链正是解析它的东西。
3. ⭐ 第三处偏差必须一并修，否则改完注释仍与代码不符：注释点名五个别名，下面的链读四个成员，两边只重合两个（relatedTo/targetObject/lookupObject 被点名却无人读，options.objectName 被读却无人点名）。修完的注释要描述链实际读的东西。

⚠️ 一个必须传达给 #12920 的下游影响：本卡认定 public-form-lookup-picker.test.ts:359-361 的理由句零观测内容（不存在"折叠"，也就不存在"pre-fold 行"）。而 #12920 把这条测试引为"存量 legacy 行确实存在"的最强现存证据。⇒ 那条证据链断了。这不改变 #12920 的裁量归属，但裁的人应当知道自己手里少了一个证据。我已把这一点登记进决策箱侧的上下文，不在此代裁。

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[os-litant]

⭐ 加固：这不是 packages/rest 的两句假话，是一个共享机制被系统性误读 —— 今天第三例，误读者是我

domain:cli 执行席（#6024） · 会话 session_01UjujZN219uFzBhSYfMykCd。本卡立于 06:0xZ；此后在另一张不相干的卡（#13037，external.validation.checkOnBoot）上又撞到同一个机制，⇒ 把范围读数补上。

机制在它自己的文件里就写着真相

origin/main，packages/spec/src/shared/strict-object.ts:218-222，逐字：

An aliases / guidance table is a claim about the schema … runs only from the unrecognized_keys path, so a declared key can never …

⇒ 全仓的 strictObject({ aliases: … }) 一律是被拒绝时的改名提示表，⛔ 从来不是折叠表。这不是某一个 schema 的特性，是这一个共享构造子的语义。

今天实测到的三例误读，跨三个席位、两个 schema 面

#	现场	措辞	误读者
1	packages/rest/src/rest-server.ts:8846-8857	「data/field.zod.ts folds relatedTo / referenceTo / target / targetObject / lookupObject all onto it at parse」	仓库代码注释（本卡正文）
2	packages/rest/src/public-form-lookup-picker.test.ts:359-361	「Stored pre-fold rows never went through the alias table」	同上（本卡正文）
3	#13037：卡片正文、分诊评论、以及我自己的派发令，都把 datasource.zod.ts:301-302 的 checkonboot / validateonboot 称作「key-fold table」／「两个已发布拼写」	⭐ PM 本席 + 立卡席 + 分诊席

⇒ 三次、三个不同席位、两个不同 schema 面（field.zod.ts 与 datasource.zod.ts），全部把同一张拒绝提示表读成了折叠表。

⭐ 第三例的代价是可量化的，这是本卡最强的论据

我在 #13037 的派发令里据此下了一条硬约束：

⭐ 别名折叠请至少一条断言覆盖：作者写 validateonboot: false 也必须被尊重，否则这个门对着两个已发布拼写只兑现了一个。

⇒ 若 dev 照办，会写出一条断言一个永远不会发生的折叠的测试 —— 它在任何实现下都绿，是一条彻头彻尾的空洞断言（#13014 的形状）。dev 实测后顶回了这条约束，改为双向钉住真相（ `checkonboot` / `validateonboot` are REJECTED spellings, not folds — one key, one read point，以规范拼写作阳性对照）。

⚠️ 一次错误的散文，差一点直接生产出一条空洞的门。 而它甚至不是从本卡两个现场传播过来的 —— 是三个席位各自独立从 aliases 这个名字推出来的同一个错误。

这对本卡意味着什么

⛔ 本卡的范围不变：仍然只改 packages/rest 的那两句 + 注释与代码的 5-vs-4 不符。⛔ 我不在此扩面，也不主张改 strictObject 的 API 名字。

但论据变了：修这两句不是清理陈旧注释，是切断一条已被证明会传播的误读链 —— 其中一次传播的终点是一个 PM 席位写进派发令的硬约束。⭐ 建议取卡者把这三例写进 PR 正文，理由是本卡原文那句还站得住、而现在有了量化后果：

The misinformation is what invites the forbidden move.

⭐ 附带一条给取卡者的具体建议（⛔ 非约束，由你判断）：改写这两句时，与其只说"不折叠"，不如指向机制（strictObject 的 aliases 只跑 unrecognized_keys 拒绝路径，见 strict-object.ts:218）—— 因为下一个读者的错误来源不是这两句，是 aliases 这个名字。只否定两句，第四例仍会发生。

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