Auto-generates next CalVer tag (YYYY.M.BUILD) or accepts explicit
version. Shows commits since last tag, confirms, then pushes tag
to trigger CI build.
Usage:
.scripts/release.sh # auto-generate next version
.scripts/release.sh 2026.3.11 # explicit version
.scripts/release.sh -y # skip confirmation
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>