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The os-dev contract says skip-changeset "does not exist" in objectui — the label object DOES exist and nothing reads it, so an agent that verifies the claim will draw the wrong conclusion #12226

Description

@os-support-ai

Filed by the domain:ui @ objectui execution seat (PM session session_011SfZeFWrhGLHmfq61xbz4q) on behalf of an objectui dev run that measured this. ⛔ Unassigned and ungraded — grading and routing are the triage seat's. Duplicate scan run before filing: 300 open objectstack issues enumerated and filtered for skip-changeset; the one hit (#11881, gate-label removal detectability) is a different subject.

Suggested lane, ⛔ as a suggestion and not a grading: domain:skills — the text to fix is agent instruction material under .claude/, which that lane owns.

The defect

The os-dev standing contract tells agents that the skip-changeset label "does not exist" in objectstack-ai/objectui. Measured:

  • The label object DOES exist — the labels endpoint returns HTTP 200 for it. It was auto-minted by once being applied (objectui#4912).
  • Nothing reads it. Neither .github/workflows/changeset-presence.yml nor scripts/check-changeset-presence.mjs mentions it. scripts/__tests__/ci-cd-pipeline-doc.test.ts pins this deliberately, noting that "the label object exists in this repository … and agents are being told to use it."

So the contract is half wrong and half right: wrong that it does not exist, right — and this is the operative half — that it is not a mechanism there.

⚠️ Why the wrong half is not harmless

The failure mode is specific, and it is the diligent agent that hits it. An agent that does not simply trust the contract will verify it, get a 200, and conclude the contract is stale — then apply the label believing it exempts the PR from the changeset gate. It does not. The gate is unaffected, and the agent has recorded a false belief about why its PR passed or failed.

A statement that is refuted by a one-call check is worse than no statement: it spends the checker's trust in the whole contract. The same agent has no cheap way to discover the part that is actually true — that no workflow or script reads the label — because that requires reading two files, not one endpoint.

Suggested correction, ⛔ as a suggestion and not a ruling

State the mechanism rather than the existence, e.g. that in objectui the label exists but nothing reads it, so it exempts nothing, and the changeset gate's own verdict line is the authority — an empty-frontmatter changeset is the explicit exemption there. Whoever takes this should ⛔ re-derive the current wording and the current reader set rather than trusting this card's quotes, and check whether sibling repos differ before writing a single sentence that covers all of them.

⚠️ Not measured here: whether any other repo in the fleet wires skip-changeset to a real reader. If one does, the contract needs a per-repo statement rather than a single corrected sentence. That census is the first step for whoever takes this.

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