Summary

• Enforce bytebase-action compatibility checks as command errors when outside the supported window.
• Support dated Cloud versions in the form cloud-YYYYMMDD and keep Cloud recommendations on the cloud action tag.
• Add action command tests for release, Cloud, parse, and outside-window compatibility cases.

Breaking Changes

• bytebase-action check and bytebase-action rollout now exit with an error when the CLI/action version is outside the compatibility window instead of only logging a warning.

Compatibility Impact

• Cloud compatibility requires dated Cloud versions (cloud-YYYYMMDD) within 7 days.
• Self-hosted compatibility requires the same major version and a 2-minor-version window.
• Within-window version mismatches still warn and continue; exact matches log success.

Test Plan

• go test -v -count=1 ./action/command
• golangci-lint run --allow-parallel-runners
• golangci-lint run --fix --allow-parallel-runners
• go build -ldflags "-w -s" -p=16 -o ./bytebase-build/bytebase ./backend/bin/server/main.go

Pre-PR Checklist

• Breaking behavior documented and labeled.
• Composite-PK query safety skipped; no backend store or migrator changes.
• SonarCloud config checked; new action/**/*_test.go file is already covered by test and CPD patterns.