fix(scripts): attribute the ci-cd-pipeline ledger's ci.yml control count to objectui#6400 - #7940

Fixes #7034

What changed

The version-claim ledger's content/docs/guide/ci-cd-pipeline.md :: Node 22.x entry (scripts/__tests__/doc-version-claims.test.ts) carried a control count in two places — its why string and the matching docblock bullet — reading "28 mentions of ci.yml" with no unit and no attribution. objectui#7034 found the sibling pin test (ci-cd-pipeline-doc.test.ts) holds 29 by occurrence count today.

Disposition B (per #7034's triage, adopting the card's own recommendation): attribute the count to the change that measured it, and state its unit.

Why 28 is the right number to keep (not re-take, not delete)

Re-measured on this branch:

$ grep -c 'ci\.yml' scripts/__tests__/ci-cd-pipeline-doc.test.ts
28   # matching LINES
$ grep -o 'ci\.yml' scripts/__tests__/ci-cd-pipeline-doc.test.ts | wc -l
29   # occurrences (one line carries the token twice)

The triage comment's finding: these two commands differ by exactly the line that carries ci.yml twice. That gave a testable hypothesis — the ledger's "28" was plausibly a line count from the start, not a number that drifted from 28 to 29.

Confirmed against PR #6450 (the PR that implemented objectui#6400's disposition and wrote this exact sentence into the ledger). Its own PR body shows the command it ran:

$ grep -cP '\b22\b'       scripts/__tests__/ci-cd-pipeline-doc.test.ts   ->  0
$ grep -c  'node-version' scripts/__tests__/ci-cd-pipeline-doc.test.ts   ->  0
$ grep -c  'ci\.yml'      scripts/__tests__/ci-cd-pipeline-doc.test.ts   -> 28   (control)

grep -c — matching lines, not occurrences. So "28" has been a line count since it was written, and is still exactly 28 by that measure today. The ambiguity #7034 found was the missing UNIT, not staleness. Accordingly the two sentences now read "28 LINES matching ci.yml, as of objectui#6400 — not an occurrence count, which reads one higher" instead of naming a bare "29" that would itself need future re-verification.

Diff

Both edits are in scripts/__tests__/doc-version-claims.test.ts only — the docblock bullet (~L415-419) and the why string of the content/docs/guide/ci-cd-pipeline.md :: Node 22.x KNOWN_CLAIMS entry (~L1040). No assertion, gate behaviour, or other KNOWN_CLAIMS entry touched.

- *     whatsoever (control, same file, same sweep: 28 mentions of `ci.yml`). It pins the
+ *     whatsoever (control, same file, same sweep: 28 LINES matching `ci.yml`, as of
+ *     objectui#6400 - not an occurrence count, which reads one higher). It pins the

- ...(control, same file: 28 mentions of ci.yml). Nothing re-measured either half...
+ ...(control, same file: 28 lines matching ci.yml, as of objectui#6400 - not an
+ occurrence count, which reads one higher). Nothing re-measured either half...

Reverse verification

$ git grep -c "28 mentions of" -- scripts/__tests__/doc-version-claims.test.ts   # old phrase
(no match, exit 1)
$ git grep -c "LINES matching" -- scripts/__tests__/doc-version-claims.test.ts   # new docblock phrase
1
$ git grep -c "lines matching ci.yml, as of objectui#6400" -- scripts/__tests__/doc-version-claims.test.ts  # new why-string phrase
1
$ git grep -c "42 mentions of ci.yml" -- scripts/__tests__/doc-version-claims.test.ts  # fabricated-phrase control
(no match, exit 1)

Tests / gates (all at final commit 7b34c3e7b)

Files changed: exactly 1 (scripts/__tests__/doc-version-claims.test.ts), no changeset (not owed).

Draft PR, no auto-merge — per this card's dispatch.

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