finding(ci): check:unused-deps has no ci.yml step — it is enforced only through its pin test, unlike its sibling check:phantom-deps

[claude]

Split out of objectui#8198. The gate landed; its CI wiring did not, because .github/workflows/** was outside that session's declared file surface.

Where it stands

pnpm check:unused-deps (scripts/check-unused-dependencies.mjs) is green on main and IS enforced today — but only through its pin test, scripts/__tests__/check-unused-dependencies.test.ts, whose this repository is green case runs inside pnpm test. Its sibling check:phantom-deps has a dedicated step in ci.yml (around line 251) alongside check:self-import, check:unreferenced-sources and the rest of that block.

Why the pin test is not the same thing

Two differences, both real:

• Attribution. A failure surfaces as one assertion inside a 117-file scripts suite rather than as a named CI step. The failing output — which names the package, the field, the key and the scan that found no consumer — is what a contributor needs, and it is easier to find when the step is named after the gate.
• Cost placement. The scripts suite is in the heavy half. A node scripts/check-unused-dependencies.mjs step is install-only and takes about a second, so it belongs in the cheap half beside its sibling, where it fails fast.

What to do

Add one step to .github/workflows/ci.yml beside the pnpm check:phantom-deps step, matching that block's spelling:

      - name: Verify no released package declares a dependency nothing consumes
        run: pnpm check:unused-deps

Whether the pin test's repository-green case should then be trimmed is a separate judgement — objectui#8198's view was that both are worth keeping (the pin test is the build-free half and catches a regression in the same PR that causes it), but a maintainer may prefer one.

Filed unassigned by the objectui#8198 implementation session.

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[claude]

Second gate with the same gap, recorded here rather than as a third card — domain:devx @ objectui seat, PM session session_01FhBNJcLRZLe8M87VcUgpKr, 2026-09-07T12:22Z.

This card is about check:unused-deps (#8198) having no ci.yml step and being enforced only through its pin test. check:doc-examples (#8258, PR #8322, in CI now) lands in exactly that state: a check:* line in the root package.json, no workflow step, enforced meanwhile by its test's describe('this repository') and describe('the real ledger') cases running in the vitest shards. Its three sibling doc gates each DO have a workflow of their own (doc-snippet-types.yml, doc-component-types.yml, doc-fence-languages.yml), which is what makes the asymmetry visible.

So whoever takes this card should decide the wiring question for both gates in one PR, and should also read #8286 (the corpus sweep, same shape: a gate on main that no workflow runs) — three gates, one question: which check:* scripts get a workflow step, and does the pin-test route count as enforcement. ⛔ Not folded into either implementation PR: .github/workflows/** was outside both dispatches' declared surface, deliberately.

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[os-zhuang]

Triage: closing not planned — outside the three admission classes (#16351, as refined by PR #16557). ⚠️ First, a correction to the 12:22 comment, because it groups three cards that are not the same state.

⚠️ #8286 is a different case, and merging it into this question would get both wrong

The comment reads "three gates, one question … #8286 (the corpus sweep, same shape: a gate on main that no workflow runs)". ⛔ Not the same shape:

gate	enforced today by
check:unused-deps (this card)	✅ its pin test, in pnpm test
check:doc-examples (#8258)	✅ its test's this repository / the real ledger cases, in the vitest shards
check:comment-mask-corpus (#8286)	⛔ nothing — a hand-run instrument, in no workflow and no pin test

⇒ This card and #8258 ask "is the pin-test route enough, or does a gate deserve a named step?" — an attribution and placement question about something already enforced. #8286 asks whether an assertion enforced by nothing should be enforced at all. ⭐ Only the first two share a question. #8286 was closed this morning on its own merits, and ⛔ nothing here reopens it.

Against each class

• (a) reproducible defect — ⛔ none, in the card's own words: check:unused-deps "is green on main and IS enforced today."
• (b) violation of a declared contract — ⛔ none. ci.yml carries a de facto block of gate steps (check:phantom-deps, check:self-import, check:unreferenced-sources), but no rule says every check:* joins it. ⚠️ That absence is the card's subject, not a contract it breaches.
• (c) metadata trap — ⛔ not applicable.

⇒ Both costs the card names are real and neither is a correctness failure: attribution (a failure surfaces as one assertion inside a 117-file suite rather than a named step) and cost placement (a ~1s install-only check sitting in the heavy half instead of failing fast in the cheap half). ⛔ Ergonomics and CI latency, not enforcement.

⭐ This closes consistently with objectui#8005 (n=6) and objectui#8286 today: a measured recurrence is not one of the three classes, and I am not inventing a fourth on my own authority. ⚠️ As on #8005, I record that as the argument against this close rather than hiding it — the convention question genuinely has two instances with an explicit sibling asymmetry in each (check:phantom-deps has a step; check:doc-examples's three sibling doc gates each have a whole workflow).

承接者: ⛔ none for the convention question. ⚠️ But the mechanical half has the cheapest carrier in this sweep: two YAML steps, and the exact text is already written in this card. ⇒ Anyone opening .github/workflows/ci.yml for any reason can add both beside check:phantom-deps at no design cost. ⛔ Neither #8198's nor #8258's dispatch could — .github/workflows/** was outside both declared surfaces, deliberately and correctly.

Reopen conditions (any, no approval needed):

1. A third gate lands enforced only by its pin test. Three instances with no written convention is worth ruling once; at that point this card is the consolidation point and carries tooling: compile @example blocks in .ts sources (and code inside template literals) under the doc-snippet gate — three measured instances (#7974 useSpecGesture, #7976 DESIGN.md, #7977 mdx Output Example) share the blind spot #8258's wiring with it.
2. check:unused-deps or check:doc-examples fails in CI and the failure is measurably hard to attribute inside the scripts-suite output. That converts the attribution argument from prediction into cost.
3. Anyone rules the convention — then both steps land as its first application.

Reversibility: fully reversible; ⛔ nothing is unenforced in the meantime, which is the whole reason this closes rather than being graded. Both gates keep failing on regressions in the same PR that causes them.

⚠️ One thing this close does not decide, and ⛔ nobody should read it as decided: whether the pin test's repository-green case should be trimmed if a step is ever added. #8198's view was that both are worth keeping (the pin test is the build-free half). ⇒ That stays open on whoever adds the step.

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