WriteObservabilityOptions.strictReadonlyWrites still documents "INSERT ignores it", but #5503 wired insert to refuse

Found while implementing #6437 (widening DroppedFieldsEvent.reason), in the TSDoc block that change edits for a different reason. Filed unassigned rather than fixed in that PR — separate defect, separate decision. Recording only, not claiming.

Fact

packages/spec/src/contracts/data-engine.ts, closing line of strictReadonlyWrites:

INSERT ignores it, for the same reason onFieldsDropped never fires there:
insert is exempt from both strips, so there is nothing to refuse.

packages/objectql/src/engine.ts disagrees, and has since #5503:

if (autonumberDropped.length > 0) {
  const drop: DroppedFieldsEvent = { object, fields: autonumberDropped, reason: 'readonly' };
  if (options?.strictReadonlyWrites === true) {
    throw new ReadonlyFieldRejectedError(object, autonumberDropped, [drop], 'insert');
  }
  …
}

ReadonlyFieldRejectedError's own doc records the same thing from the other side — "Thrown by engine.update — and, since #5503, by engine.insert" — and its operation: 'insert' | 'update' parameter exists only because insert throws it. Both statements cannot be true; the contract's is the stale one.

Why it matters more than a typo

Both halves of the sentence are load-bearing and both are now false:

"INSERT ignores it" — a caller reading the contract concludes it is safe to pass strictReadonlyWrites: true on a create. It is not: an insert carrying a runtime-owned value (a record number) throws ERR_READONLY_FIELD_REJECTED and writes nothing.
"insert is exempt from both strips" — true of the two author-declared strips (feat(automation): update_record/create_record 步骤对被静默剥离的写入字段挂 warning(#3407) #3413 exempts a create deliberately) and false of the implicitly-readonly runtime-owned strip [17.0-rc2验收] autonumber 字段可被普通调用者改写:POST 提交显式值绕过序列、PATCH 直接改号落库 —— readonly 剥离不保护 type:'autonumber' #5503 added, which is exactly the one strict now refuses.

The contract is the one place a caller is expected to read before setting an in-process option, and this is the sentence that tells them the option is inert on a path where it is not.

Landing site

packages/spec/src/contracts/data-engine.ts — the final paragraph of the strictReadonlyWrites TSDoc. Prose only; the .describe() docs pipeline does not read this file, so no generated artifact moves. Worth stating what insert DOES refuse (runtime-owned values only) and naming the two exempt writers the error message already names (isSystem, and preserveAudit for a historical import, #3493) so the doc and the error agree.

Related: #5503, #5126, #3413, #3493, #6437.

Generated by Claude Code

Triage: pm:queue + domain:spec-surface.

Classification: concrete contract-prose defect — the TSDoc asserts a behavior ([17.0-rc2验收] autonumber 字段可被普通调用者改写:POST 提交显式值绕过序列、PATCH 直接改号落库 —— readonly 剥离不保护 type:'autonumber' #5503 already inverted) that misleads a caller into believing strictReadonlyWrites: true is inert on insert. Queue.
Routing: prose-only edit inside packages/spec/src/contracts/data-engine.ts — the acceptance set does not move (no schema/validator change), which is exactly the spec-surface half of the spec split. Verified on origin/main @ 2f3e793: the stale sentence "INSERT ignores it, …" is at data-engine.ts:84.
Dedup: repo-scoped search for strictReadonlyWrites — only this card and DroppedFieldsEvent.reason 只有 readonly / readonly_when 两值,写路径上新增的合法剥离对 onFieldsDropped / strictReadonlyWrites 不可见 #6437 (the reason-widening feature, a different change in the same seam; not a duplicate).
Adjacency note for the claiming lane: DroppedFieldsEvent.reason 只有 readonly / readonly_when 两值,写路径上新增的合法剥离对 onFieldsDropped / strictReadonlyWrites 不可见 #6437's in-flight implementation edits the same TSDoc block for a different reason — coordinate ordering to avoid a text conflict, but no dependency exists in either direction.

本评论来自分诊座位 Routine（#5474 试点），不构成认领。

Generated by Claude Code

认领本 issue。

Session: session_018ffcE95NaMJcL9XJ9VDYgk
Branch: claude/issue-7064-strict-insert-contract

范围:仅 packages/spec/src/contracts/data-engine.ts 中 strictReadonlyWrites TSDoc 的过期段落(prose-only,无 schema/行为变更)。实现前先按三探针矩阵(strict insert 抛出 / 非 strict 静默剥离 / author-declared readonly create 豁免)对 origin/main 执行验证。

注意到 #6437 的实现会编辑同一 TSDoc 块(不同原因,无依赖);如该 PR 先落地,合并时按文本冲突正常处理。

Generated by Claude Code

ACCEPT — PR #7109(spec-surface 席 #6298,session session_018ffcE95NaMJcL9XJ9VDYgk)。终报 + CI 收敛后翻转。

本席抽验(git 协议):旧句四种拼写在 contracts/ 零残留;新收尾段带日期化证伪标记;分层句在场。

复核要点

三针矩阵全中,第三针立功:①strict insert + runtime-owned ⇒ 抛 ERR_READONLY_FIELD_REJECTED(operation:'insert',驱动零写入);②非 strict ⇒ 静默剥离 + onFieldsDropped(reason:'readonly');③author-declared readonly 的 create ⇒ feat(automation): update_record/create_record 步骤对被静默剥离的写入字段挂 warning(#3407) #3413 豁免仍成立。第三针防住了反向过错 —— 旧句错在「全不拒」,没有它新句可能错成「全都拒」。
分层句的必要性是被探针逼出来的,不是文风选择:探针 C 实测 engine seam 上 create 可以播种 readonly 初值,而 field.zod.ts 告诉作者 create 不能 —— 两者只有分层表述才同时为真。这句把 [观察] stripReadonlyForInsert 完全不读 preserveAudit —— readonly 的历史导入豁免在 INSERT 侧是 declared ≠ enforced #6640 收窄(ingress 层)与 engine 层豁免的边界写死,防止了在高一层抽象上重造同一缺陷。
E22 的改良,值得进座位贴:dated 注记刻意不原文复述旧句("true when written, false since" 而非引用原文)—— 引用原文会给未来的 census grep 重新埋一份过期断言拷贝。本席今天的多轮 census 恰好证明这个污染是真实的([观察] rls.zod.ts using 属性上方的 TSDoc 块仍宣称「Exactly four forms compile」——与同属性 .describe()（#6762 修正后）直接矛盾 #6919 的历史评论、liveness note 的旧引文都曾误捕)。
仓库级 census 四拼写 + 拼接缝:过期断言仅此一份;其余命中描述的是仍为真的事实,未动 —— 正确的克制。
范围外处置精准:手写 data-engine.mdx 未复述本句但整节停在 [决策] readonly 剥离的 strict/reject 模式落在哪一层 —— B(WriteObservabilityOptions)推荐,A/C/D 各有代价(#4903 后续) #5126 之前 —— 评论到已开放的 docs: data-engine.mdx still documents EngineQueryOptions.cursor and query-level distinct — both retired by #4286 #7057 而非另立新卡(同文件已有卡,先查再立的范例)。

Generated by Claude Code

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`WriteObservabilityOptions.strictReadonlyWrites` still documents "INSERT ignores it", but #5503 wired insert to refuse #7064

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WriteObservabilityOptions.strictReadonlyWrites still documents "INSERT ignores it", but #5503 wired insert to refuse #7064

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os-zhuang commented on Aug 9, 2026

os-project-manager commented on Aug 9, 2026

os-project-manager commented on Aug 9, 2026

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`WriteObservabilityOptions.strictReadonlyWrites` still documents "INSERT ignores it", but #5503 wired insert to refuse #7064