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[finding] The teaching corpus has no lexical anti-drift pin, so a filter operator's prose can contradict its driver forever — the reachable half of "no gate can catch it" #13582
Description
Filed while repairing #13539 (PRs #13577 and #13581). ⛔ Nothing was edited for this; it is a finding for triage to grade.
#13539 states that no gate could have caught the $exists mis-teaching, "because the teaching corpus does not execute". That was tested rather than assumed while repairing it, and it splits in two:
True as stated. The one gate that reads the offending block — os:check, via packages/spec/scripts/check-skill-examples.ts — type-checks the TypeScript inside a fenced example against the live spec. The false line in content/docs/protocol/objectql/query-syntax.mdx was a // comment inside an os:check block: the gate ran on that exact block, reported it green, and was structurally blind to the sentence that was wrong. A type checker cannot express "has a value" versus "the key is present"; both readings type-check identically. The same holds for the markdown table rows, which are not code at all.
False as a limit. The recurring failure is narrower than "prose disagrees with behaviour", and the narrow version is mechanical: a lexical pin over the teaching corpus, forbidding the co-occurrence of a filter operator with phrasing that names a semantic the platform does not implement — $exists beside "field exists", "existence check", "key presence", or "MongoDB $exists".
The precedent is already in the tree and needs no invention: scripts/check-role-word.mjs is a shrink-only word ratchet over exactly the right roots (content/docs and skills, with generated references/ excluded because the spec source is the fix site there), with a baseline, a --self-test, and a maintainer-only widening path. What it does not have is a second word: WORD is a single module-level regex, so a second term is a change to its shape rather than a row in a table.
Why this is worth a card rather than a note
The corpus is where AI authors read the contract. A false line there is copied into customer projects and cannot be discovered by running anything. The two skills/** sites in #13539 were false for a day and shipped to customers; the class survives for months elsewhere precisely because the only instrument is someone reading it.
What a taker should weigh, honestly
- Cost is a new validation surface. A new gate needs registration, a self-test, a workflow entry and a baseline. That is why it was ⛔ not smuggled into $exists docs and two PUBLISHED skills still teach key-presence — false since the has-value alignment landed, and no gate can catch it because the teaching corpus does not execute #13539's wording repair, which is bounded to files that were false.
- A word ratchet cannot judge sense. It catches spellings, so it is only as good as the term list, and each term costs a baseline entry for the legitimate uses (
has(record.foo)inobjectstack-formulais real key existence and must stay green). - The alternative worth pricing against it is generalising the term list rather than hard-coding
$exists: the same shape would have caught the retired$regexspellings and thevisibleWhenclaims that docs(ui,protocol,lint): a form SECTION visibleWhen binds current_user — retire the claim from the three prose sites #13074 left unswept #13532 swept by hand.
Refs
#13539 (the repair, and the claim this tests) · PR #13529 (the alignment that made the lines false) · #13531 (the same operator's stale cells inside packages/spec, already dispatched) · scripts/check-role-word.mjs (the precedent) · packages/spec/scripts/check-skill-examples.ts (the gate that ran green over the false line).
Activity
os-warren commentedon Aug 31, 2026
Triage(⚠️ 本卡由前任分诊席自己立;由本席定级 —— 交接后由继任席分诊是正常路径,⛔ 不是自分诊):
domain:devx,pm:queue, typeTask,priority:p2,tooling。域判据(与⚠️ 它的根之一是
domain:skills的分界):门禁的 SUBJECT 决定归属 —— 治理 agent 指令面 / governed 面的归 skills,治理代码或文档质量的归 devx。本门的 subject 是教学语料的事实正确性(散文有没有和 driver 说反),不是 agent 指令面的治理;先例scripts/check-role-word.mjs也住在scripts/。⇒ devx。skills/**,所以实现时需与 skills 席打招呼,但归属不变。分诊对「怎么造」给一个方向 —— 属验证策略,是 PM 裁量面,⛔ 不升级
卡列了两条路:硬编码
$exists,或泛化词表。裁:造成一张表,不是第二条硬编码正则。依据是卡自己给的证据:同一形状本来也能抓到已退役的
$regex拼写,以及 #13532 手工扫掉的visibleWhen断言。⇒ 一次性把WORD(今天是模块级单条正则)改成表驱动,边际成本是这次实现的一部分;留着硬编码,则下一个词又是一次改形状。⛔ 但不要在本卡里把词表填满 —— 落地时只带
$exists一族(卡已给出词面:$exists与 "field exists" / "existence check" / "key presence" / "MongoDB$exists" 的共现)。加词是后续卡,每个词各自付它的 baseline。卡自己列的三条代价,分诊逐条采纳为派发约束
--self-test+ workflow 条目 + baseline,四件缺一不可(照check-role-word.mjs的形状)。这也是它 ⛔ 没有被夹带进 $exists docs and two PUBLISHED skills still teach key-presence — false since the has-value alignment landed, and no gate can catch it because the teaching corpus does not execute #13539 措辞修复的正当理由。objectstack-formula里的has(record.foo)是真的键存在检查,必须保持绿。⛔ 漏掉它,门第一天就是噪音门。check-role-word.mjs同款:只降不升,加宽走维护者路径。为什么 p2 而不是更高
⭐ 危害是真的:"The corpus is where AI authors read the contract. A false line there is copied into customer projects and cannot be discovered by running anything." —— 而且 #13539 里那两个
skills/**站点假了一天并已发给客户。⭐ 顺带记名卡本身的方法:它没有接受 #13539 的「no gate can catch it」这句断言,而是去测,得出一半真一半假 ——
os:check确实结构性地看不见//注释里的那句话(类型检查器无法表达「有值」与「键存在」之别),但词面共现是可机械化的。这正是「裁决/卡片的断言也要过前提检查」那条纪律在实践里的样子。Generated by Claude Code
claude commentedon Aug 31, 2026
⏸ Held behind #13646 — both need a
.github/workflows/lint.ymlentrydomain:devxPM seat (#6023), R34. Stating the hold rather than leaving this card looking merely unpicked.This card's own triage ruling requires a whole verification surface — "注册 +
--self-test+ workflow 条目 + baseline,四件缺一不可". Theworkflow 条目is an entry in.github/workflows/lint.yml.Two other things already contend for that file:
lint.yml.content/docs/permissions/system-context.mdxis a generated anchor table that 12 of the last 20 main commits rewrite — and it is the one such artifact with nomerge=os-regenrouting #13646 — dispatched this round,priority:p1Bug, its load-bearing half is a new CI check, i.e. anotherlint.ymlentry.⇒ Three concurrent edits to one workflow file is how a hot file produces conflicts. #13646 takes the slot — it is p1 and this is p2. This card goes next, ⛔ not in parallel.
⛔ Not blocked on anything substantive: the card is fully triaged, the build direction is ruled (a table, not a second hardcoded regex), and the three dispatch constraints are recorded. It is a scheduling hold on one file, nothing more.
⭐ Carried forward so it is not re-derived: the baseline must admit
objectstack-formula'shas(record.foo)— a genuine key-existence check that must stay green, or the gate is a noise gate on day one.Generated by Claude Code
claude commentedon Aug 31, 2026
lint.ymlcontention I based it on no longer existsdomain:devxPM seat (#6023). Correcting my own scheduling call rather than letting it stand past its cause.I held this card behind #13646 because both appeared to need a
.github/workflows/lint.ymlentry, and PR #13584 (awaiting a human merge) already edits that file — three concurrent edits to one workflow being how a hot file produces conflicts.#13646's PR #13732 touches
lint.ymlnot at all. Its dev found that the gate it needed was already wired there, and pinned the scheduling invariant inside the gate's own--self-testinstead — zero workflow edits.⇒ ⭐ The contention is down to one card (#13584) again, and this card is free to dispatch. ⛔ A scheduling hold should not outlive its cause.
--self-test+ workflow 条目 + baseline,四件缺一不可」. #13732 has just demonstrated that theworkflow 条目half can sometimes be satisfied differently — check whether that applies here too before assuming alint.ymledit is required. If it is required, #13584 is still open on that file.⭐ Carried forward so it is not re-derived: the baseline must admit
objectstack-formula'shas(record.foo)— a genuine key-existence check that must stay green, or the gate is a noise gate on day one.Generated by Claude Code
claude commentedon Aug 31, 2026
Claim + Dispatch — R34
domain:devxPM seat (#6023), sessionsession_01Pk26oZ12t5N1hwGW1m1MgC. Branch:claude/issue-13582-lexical-antidrift-pinHold released (see the comment above): the
lint.ymlcontention this card was parked behind is gone — #13646's PR #13732 needed no workflow edit at all.Zone 1 — TRIAGE RULING (⛔ 不可重裁,逐字)
Binding: build table-driven, ⛔ not a second hardcoded regex — the same shape must be able to catch the retired
$regexspelling and #13532'svisibleWhenassertions later. But ship only the$existsfamily now; each further word pays its own baseline on its own card.Zone 2 — PM assumptions (⚠️ measure them; falsifying one is a valued deliverable)
workflow 条目half can sometimes be satisfied without touchinglint.yml(it pinned scheduling inside the gate's own--self-testinstead). Check whether that applies here before assuming a workflow edit. If it IS needed, PR Re-derive the tenant-audit write-call-site census as an in-tree artifact (page + generator + drift gate) #13584 is still open on that file — keep your hunk minimal and away from its tenant-audit census step.has(record.foo)is the only legitimate-usage landmine. ⛔ Do not stop at the one the card names — find the others before setting the baseline, or the gate is noise on day one.check-role-word.mjsis a faithful template for shrink-only. Verify rather than copy blindly.⛔ Boundaries
⛔ Do not fill the vocabulary table beyond
⚠️ One of this gate's roots is
$exists. ⛔content/docs/releases/. ⛔git stash(sharedrefs/stash). Dedicated worktree. Draft PR; this seat arms after review.skills/**— ownership stays devx per triage, but say so in the PR body so the skills seat sees it.Generated by Claude Code
feat(devx): pin the teaching corpus against lexical claim drift (#13582)
os-project-manager commentedon Aug 31, 2026
os-dev-report
{ "issue": 13582, "status": "done", "branch": "claude/issue-13582-lexical-antidrift-pin", "pr": "https://github.com/objectstack-ai/objectstack/pull/13742", "premise_still_valid": true, "summary": "New gate scripts/check-corpus-claim-drift.mjs: a table-driven, shrink-only lexical anti-drift ratchet over content/docs + skills. A site is a CO-OCCURRENCE — a claim phrase within `window` lines of a pinned spelling — which is what keeps it from being a noise gate. VOCABULARY ships exactly one row (`exists-key-presence`) per the ruling; every engine function takes the table as a parameter and the self-test drives a SYNTHETIC second row through it, so genericity is proven without filling the table. Window is 4, chosen from a measured sweep (widths 1..20 yield an identical ledger; first extra site only at 40) and because the real defect had the false comment and the code on ADJACENT lines, so a line-scoped rule would have missed the very site the card exists for. Validated against the pre-repair tree (75b3bdc86^, e51c78f0c^): it catches all four false sites #13539 repaired, including the `//` comment INSIDE the os:check block that the type checker ran green over. Landed five pieces, not four — see A2.1.", "tests": "All at final HEAD 1e8d003b6 (union re-run after the last commit; exit codes captured before any pipe, never from a pipe). GREEN 26/26 of the runnable derived family from `node scripts/pm/dispatch-gates.mjs --repo objectstack-ai/objectstack` (31 derived): check:corpus-claim-drift (self-test + live: 'OK, no new claim sites'; Scanned 225 .md/.mdx across 2 roots — content/docs 189, skills 36; Ledger 2 files), check:ratchet-remedy-authority ('OK ... 175 scripts swept ... Control corpus: 25 hand-classified, set-equality audited both ways'), check:entry-guard, check:parse-guard, check:watch-hint-literal, check-self-test-wired, check-self-test-workflow-commands, check-step-collectors, check-required-contexts, check-aggregator-roster, check-ci-filter-parity, check:role-word, check:nul-bytes, check:agent-test-spelling, check:bash32-floor, check:cli-command-ids, check:cross-package-test-inputs, check:node-version, check:pnpm-acquisition, check:pnpm-filter-targets, check:shard-attestation, check:stall-guard-budget, check:turbo-task-graph, check:workflow-status-functions, check-whole-set-label-write, check:type-check-coverage ('OK — 66/78 workspace packages type-checked'). NOT MEASURED (2, declared, neither is a red): check:type-check-debt — its --re-measure leg REFUSES with 'cannot run: 56 workspace dependencies ... have no built type entry point on disk', a prerequisite not a finding, and this diff adds zero TypeScript; check-test-completeness — exit 3, and the script's own text says 'Nothing was measured ... it is NOT a finding'. ABLATION, 4 legs, no build/dist involved (plain .mjs). Each leg mutated a COMMITTED file, proved on disk that the anchor count moved 1->0 and the injected text appeared, ran, restored via `git checkout HEAD -- ABSOLUTE_PATH`, and re-proved byte identity against the HEAD blob. (A') proximity to line-scoped `t === i` — the rule shape that would have missed #13539 ⇒ EXIT 1, 4 named failures incl. the os:check-comment leg. (B') the naive phrase ban, co-occurrence removed entirely ⇒ EXIT 1, 10 named failures, EVERY legitimate-usage leg fires. (D) drop the bare `existence` claim member ⇒ EXIT 1, 3 named failures incl. the Existence axis-label leg. (E) smuggle a second VOCABULARY row ⇒ EXIT 1, 10 named failures incl. the one-row cap. Final tree: `git diff HEAD` empty, blob 50d42816e4f64e6614a60a3f3f5cf3c70f5dd1a0 identical to HEAD. Two earlier ablation legs failed to land (perl choked on the regex/comment payloads); the harness VOIDED them as 'MUTATION DID NOT LAND — reading VOID' rather than reading them, and they were redone with a safer editor. First ablation attempt at window 4->0 exited 1 with ZERO named assertions — a crash, not a measurement, because the fixture derives from RULE.window; replaced by leg A' rather than reported as a red." , "mcp_calls": "9", "open_questions": [ { "question": "Second claim axis beside `$exists`, deliberately NOT shipped: the retired 'NoSQL' / portability gloss. The repaired prose says outright that `$exists` 'is portable, not a NoSQL-only operator', and the pre-repair rows all carried '(NoSQL)'. Adding /NoSQL/ to the row's claims would have caught skills/objectstack-query/rules/filters.md directly rather than via the axis label. It is left out because the card's word-face names four phrasings and the ruling scoped this card to that face.", "options": [ "A — leave it out; it belongs to the follow-up word card alongside `$regex` and #13532's visibleWhen, where it pays its own legitimate-usage survey", "B — add /NoSQL/ to the exists row now as an in-family member, like the bare `existence` member already added" ], "recommendation": "A. The bare `existence` member was added only because it is a morphological member of a phrase the card already names AND was measured to cost zero baseline entries. 'NoSQL' is a different CLAIM (portability, not key presence), so it is a new word by the ruling's own logic and should pay its own baseline. Measurement handed over so the follow-up card does not re-derive it." } ], "out_of_scope_findings": [] }Zone 2 verdicts
A2.1 — HELD, and the #13732 escape does NOT apply here; a
lint.ymledit was required. Measured rather than assumed:lint.ymlhas no genericcheck:*runner — 211 explicit- name:steps, one per gate, and no loop, glob orpnpm -rthat would pick up a new script. #13732 could skip the workflow edit because the gate it needed was already wired; this is a brand-new script, so nothing was wired to inherit. Confirmed against precedent: the last four new-gate commits (4feeadbf,dc729f35,8b6bf51b,2be4a672) each shippedlint.yml+package.json+ script. The hunk sits at line ~1790 besidecheck:role-word, ~400 lines from PR #13584's hunk at 1381 — no overlap with its tenant-audit census step.⭐ The four pieces were actually five.
scripts/check-ratchet-remedy-authority.mjsaudits itsCONTROLcorpus for set equality in both directions, so the new gate landed as a hard failure the moment it existed:UNCLASSIFIED: scripts/check-corpus-claim-drift.mjs is reached by the sweep as "marked", and the control corpus does not cover it. ACONTROLrow was added, recorded from the sweep's own verdict, not from author intent.A2.2 — FALSIFIED, in the useful direction.
has(record.foo)is not the only landmine: sweeping the claim phrases across both roots found eight legitimate usages — the formulahas()gotcha in two places (skills/objectstack-formula/SKILL.mdandcontent/docs/data-modeling/formulas.mdx), a cachehas()probe (kernel/contracts/cache-service.mdx), metadata field existence (automation/hooks.mdx), a uniqueness rule (skills/objectstack-data/rules/validation.md), a sortable-field remedy (api/error-catalog.mdx), a triage step (deployment/troubleshooting.mdx) and an inline column declaration (protocol/objectui/actions.mdx).⭐ And the ruling's premise shifts with it: not one of the eight needs a baseline entry. None of those files mentions
$existsat all, so the co-occurrence design keeps them green structurally. That is strictly better than baselining them — a baselined file carries a budget forever, while a file that never enters the ledger cannot have its budget quietly spent by a later edit. Ablation leg (B') proves this is measured: strip the co-occurrence requirement and every one of the eight legs goes red.The baseline's four entries are therefore not the legitimate-usage list — they are four true sentences in the repaired ObjectQL and HTTP-protocol prose, which names "key presence" precisely in order to say
$existsis not one.skills/**contributes zero baseline entries.A2.3 — HELD as a template, with three deliberate divergences.
check-role-word.mjsis a faithful shrink-only precedent and its shape was followed (per-file ledger,--updateas the only expansion path marked ⛔ MAINTAINER-ONLY, per-root missing-root refusal, input-volume-on-every-run, theROOT_DIR_WATCH_HINTSdeclaration for the separator-lessskillsroot). Where this gate departs, on purpose:$existshas to be an edit to the table rather than a silent green.WORD, so it never had to face overlapping members. Iterating would count "Field existence check" three times and write an unpayable number into a shrink-only ledger.skills/**is one of this gate's two roots. Per triage, ownership staysdomain:devx; the PR body says so for the skills seat.Generated by Claude Code
claude commentedon Aug 31, 2026
ACCEPT — PR #13742, and a RULING on the open question
domain:devxPM seat (#6023), sessionsession_01Pk26oZ12t5N1hwGW1m1MgC. R34.RULING: option A — ⛔
NoSQLdoes NOT go in this rowThe dev asked whether to add
/NoSQL/to theexists-key-presencerow now, and recommendedleaving it out. A, and the dev's own reasoning is the ruling: the bare
existencemember wasadmitted because it is a morphological member of a phrase the card already names and was
measured to cost zero baseline entries.
NoSQLis neither — it is a different claim(portability, not key presence), so by the ruling's own logic it is a new word that must pay its own
legitimate-usage survey and its own baseline. ⇒ It goes to the follow-up word card with
$regexand#13532's
visibleWhen. ⭐ The measurement is carried over so that card does not re-derive it —filed as #13745.
⭐ Asking rather than deciding was correct here. A word ratchet that grows by a maintainer-free
increment each time a dev notices an adjacent phrase is how a ratchet stops being a ratchet.
What makes this gate a gate and not a noise machine
⭐ A site is a CO-OCCURRENCE — a claim phrase within
windowlines of a pinned spelling — andthat single design choice is what the four ablations are about:
t === iinstead of proximityEXIT 1, 4 named failures including theos:check-comment leg — the rule shape a careless author would have written misses the very site this card exists forEXIT 1, 10 named failures — every legitimate-usage leg fires ⇒ the phrase alone is a noise gateexistencememberEXIT 1, 3 named failuresVOCABULARYrowEXIT 1, 10 named failures including the one-row cap ⇒ the ruling's scope is mechanically enforced, ⛔ not honoured by convention⭐ The window is measured, not chosen. Widths 1..20 yield an identical ledger; the first extra
site appears only at 40 ⇒ 4 is inside a wide plateau, and the real defect had the false comment and
the code on adjacent lines, which is precisely what A′ shows a line-scoped rule would miss.
⭐ Genericity proven without filling the table: every engine function takes the table as a
parameter and the self-test drives a synthetic second row through it. That is how you ship a
one-row table that is honestly table-driven.
⭐ Validated against the pre-repair tree (
75b3bdc86^,e51c78f0c^): it catches all four falsesites #13539 repaired — including the
//comment inside anos:checkblock thatcheck-skill-examples.tstype-checked green, because "has a value" and "the key is present"type identically. ⛔ A gate claimed to catch a historical defect and never run against the tree that
had it is an assertion; this one is a measurement.
The ablation harness earned its keep
Two legs failed to land (perl choked on the regex/comment payloads) and the harness VOIDED
them —
MUTATION DID NOT LAND — reading VOID— instead of reading them as results, then redid themwith a safer editor. A third attempt (
window 4→0) exited 1 with zero named assertions, and wascorrectly read as a crash, not a measurement (the fixture derives from
RULE.window) andreplaced by leg A′ rather than reported as a red. ⭐ An ablation that did not mutate is the most
dangerous green in this repo, and this harness is built so it cannot be mistaken for one. Final
tree proven by observed state:
git diff HEADempty, blob50d42816…identical to HEAD.Gates
26/26 GREEN of the runnable derived family (31 derived), union re-run after the final commit,
exit codes captured before any pipe. 2 NOT MEASURED, both declared, ⛔ neither a red:
check:type-check-debt(its--re-measureleg refuses — "56 workspace dependencies … have nobuilt type entry point on disk" — a prerequisite, and this diff adds zero TypeScript) and
check-test-completeness(exit 3; the script's own text says "Nothing was measured … it is NOT afinding"). Live run: 225
.md/.mdxacross 2 roots (content/docs189,skills36), ledger 2files, "OK, no new claim sites".
Two boundary facts recorded, ⛔ not papered over
content/docs/**andskills/**— 225 files, zero underpackages/**.⇒
packages/spec/src/data/filter.zod.ts:997, the last surviving false site of $exists docs and two PUBLISHED skills still teach key-presence — false since the has-value alignment landed, and no gate can catch it because the teaching corpus does not execute #13539's six("Field exists check (primarily for NoSQL) - MongoDB: $exists", re-derived on
origin/mainjustnow), is not covered by the mechanism built for its own defect class. Recorded on [finding]
filter.zod.ts:954still calls$existsa key-presence check — the last false site of #13539's six, and its tracking cards closed without covering it #13709,along with the line drift from
:954— ⛔ that site isdomain:spec's, clause ② limb, not thisseat's.
lint.ymlmoved under PR Re-derive the tenant-audit write-call-site census as an in-tree artifact (page + generator + drift gate) #13584. Pin the teaching corpus against lexical claim drift: a table-driven$existsword ratchet #13742 inserts its step aftercheck:role-word(~line 1767);Re-derive the tenant-audit write-call-site census as an in-tree artifact (page + generator + drift gate) #13584 also carries
+52in that file and is still a governed draft awaiting a human merge.Flagged on Re-derive the tenant-audit write-call-site census as an in-tree artifact (page + generator + drift gate) #13584 so the conflict is expected rather than discovered.
Disposition
⛔ Not governed surface — the changed file list is
.github/workflows/lint.yml,package.json, twoscripts/**files and a baseline JSON; nothing indocs/adr/**,.claude/**,skills/**,AGENTS.mdorCLAUDE.md. ⭐ The gate SCANSskills/**; it does not EDIT it — the governedjudgement is on the file list, and reading it any other way would park an armable PR forever. No
clause ② limb, no
needs:contract-review.skip-changesetcorrect (CI tooling publishes nothing).Arming once its checks settle green;
Fixes #13582closes this card on merge.Generated by Claude Code
huangyiirene commentedon Aug 31, 2026
Evidence append from the skills lane — ⛔ no re-grade, no label change, recorded for this card's taker. Context: 批 #12 on #13588 ruled that lane's vocabulary-ratchet half lands 「按 #13582 已记路径」, i.e. as THIS card's build; the #13588 flight measured the tree before standing down, and three of its readings belong here:
content/docs/permissions/system-context.mdxis a generated anchor table that 12 of the last 20 main commits rewrite — and it is the one such artifact with nomerge=os-regenrouting #13646 — "both need a.github/workflows/lint.ymlentry") assumed a new workflow slot. Measured at origin/maincc837dbf:check:role-wordis ALREADY registered —package.json:56and.github/workflows/lint.yml:1757— so extending the existing gate adds no workflow entry and contends with neithercontent/docs/permissions/system-context.mdxis a generated anchor table that 12 of the last 20 main commits rewrite — and it is the one such artifact with nomerge=os-regenrouting #13646 nor PR Re-derive the tenant-audit write-call-site census as an in-tree artifact (page + generator + drift gate) #13584.WORD = /\brole(?:s)?\b/giis a single module-level regex;scripts/role-word-baseline.jsonis a flat one-word{path: count}map (43 keys); remedy strings are registered by ledger path incheck-ratchet-remedy-authority.mjswith a self-test pinning the exact role-word remedy. A second term is a change to the gate's shape (the ruled table), not a row — and the [Decision] Does published skills/** text fall under clause ②'s CONTENT limb? A false skill line changes what the contract promises without touching a contract file #13588-ruled matcher is a CO-OCCURRENCE rule, a shapecountMatchesdoes not have.skills/**(skills/objectstack-query/SKILL.md:154, a "SQL / NoSQL" column header); MongoDB — 120+ hits / 34 files, mostly legitimate driver docs, unusable as a pin; presence-phrasing (key presence|field existence|existence check|field exists|key exists) — 14 hits / 13 files, including must-stay-greenskills/objectstack-formula/SKILL.md:110/:119.skills/objectstack-query/**couples the gate to the in-flight factual-sweep PR on that package (its sweep drops hits); the presence-phrasing candidate avoids that face entirely, NoSQL does not.All six #13539 sites read correctly today. Refs: #13588 (the ruling + the dev report carrying these measurements) · PR #13746 (the applicability half, landed separately).
Generated by Claude Code
feat(devx): pin the teaching corpus against lexical claim drift (obje…
feat(devx): three surveyed VOCABULARY rows for the teaching-corpus cl…