[Data-Wise]

Summary

scripts/version-sync.sh no longer flags frozen fixture constants. A source-constant line carrying # version-sync: ignore is skipped, and that marker is applied to FIXTURE_VERSION = "4.5.0" in tests/test_docs_staleness_prose.py, which is deliberately frozen (its comment says so) but matched the scan's VERSION = "x.y.z" pattern. This removes the standing version-sync.sh exit 1 on dev. Unmarked stale constants are still flagged.

Evidence

Red first, then green (bash tests/test_version_sync.sh):

before the fix:
  ✗ marked frozen constant is not flagged (expected exit 0, got 1)
  ✓ unmarked stale constant is still flagged (positive control)
  Results: 4 passed, 1 failed
after the fix:
  ✓ marked frozen constant is not flagged
  ✓ unmarked stale constant is still flagged (positive control)
  Results: 5 passed, 0 failed

Live scan after merging origin/dev (v4.8.2): scripts/version-sync.sh --quiet exits 0 (before: 1, flagging ./tests/test_docs_staleness_prose.py (v4.5.0)).
Neighbors: tests/test_version_sync_precommit.sh and tests/test_bump_version.sh exit 0; tests/test_docs_staleness_prose.py has no failures; markdownlint on both changelogs: 0 issues.

Notes

• The positive control proves the marker is not a blanket pass.
• The marker is a same-line # version-sync: ignore comment, matched in pure bash (no pipe).
• Merge commit in this branch merges origin/dev to clear CHANGELOG conflicts; squash-merge drops it.

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