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**The ratchet was advisory.** `scripts/lifecycle-column-census.mjs` existed only as `pnpm census:lifecycle-columns` — without `--strict` — and **no workflow invoked it**. Nothing has ever compared the tree to the baseline. Every "the baseline ratchet holds them" assumption in this program rested on a check that does not run. That explains both classes of hole: **1. Three PRs lowered counts without re-recording,** leaving allowances the deleted guards could return through while every check stayed green. I've tightened them across #2593 and earlier PRs, but nothing stops the next one. **2. #2621 GREW the count while its own title claimed "count 0 → 0".** It added `column === "triage"` and `column === "todo"` at `register-task-workflow-routes.ts:2681`, taking that file to **23 against an allowance of 22**. It landed unchallenged. This is the failure mode the ratchet exists to prevent, and it happened *inside this program*, in a PR that asserted the opposite. ## The change Adds `check:lifecycle-columns` (the census with `--strict`) to the `pr-checks.yml` lint job, next to `check:changesets` and `check:routes-modular` — the established pattern. **~1.8s over ~1950 files**, so this is not a slow-test addition. ## Proven to fail, in both directions A guard that reports success without checking anything is worse than no guard, so: | injected defect | result | |---|---| | `const __probe = (c: string) => c === "triage"` added to `moves.ts` | `count ROSE — moves.ts: 39 -> 40`, exit 1 | | run against main's current baseline | exit 1 on `mission-feature-sync.ts: allows 5, tree has 0` | Both reverted; exit 0 restored. Note the second row: **this check is RED on main right now**, which is the point. ## Merge order **Stacked on #2593**, which carries the `DELIBERATE-LITERAL` marker for the #2621 site (a v1 IR declares no roles, so no trait can answer that question) plus the baseline re-record. Standalone on main this PR is red — correctly. **Merge #2593 first**, then this. I stacked rather than duplicating those two edits because I already caused one conflict today by appending related content from two branches, and #2651 merged a correction ahead of the section it corrected. Same-content edits in two PRs is the same mistake. ## Census Unchanged by this PR: **776 total, triage 5, reviewed 16** — it adds no guards and converts none. It only makes the numbers enforceable. ## For the fleet This should land before the 776-guard fleet launches. The brief says "the baseline ratchet must shrink by exactly the converted count" — until now nothing verified that claim, so a batch worker could report a shrink that did not happen, or grow the count while converting, and CI would agree. --------- Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
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