Hybrid CLI extraction (CM1): the deterministic core of ship Step 12 becomes a
tested CLI instead of bash prose the agent re-derives each run.
- classify: FRESH/ALREADY_BUMPED/DRIFT_STALE_PKG/DRIFT_UNEXPECTED from VERSION
vs origin/<base>:VERSION vs package.json.version (pure reader)
- write: validated dual-write to VERSION + package.json (FRESH bump)
- repair: DRIFT_STALE_PKG sync, no re-bump
Bump-LEVEL choice + queue collision stay agent judgment; slot pick stays
bin/gstack-next-version. This removes the re-bump-a-shipped-branch footgun from
skippable prose into code that can't be skipped or misread.
15 tests (exhaustive state matrix + write/repair fs + real-git classify).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Garry Tan