env, ci: add better CI diagnosis via is_manageable/0 for when sdkmanager is broken#341

larpon merged 6 commits intovlang:mastervlang/vab:masterfrom

larpon:ci/add-better-diagnosing-option-for-when-sdkmanager-brokenlarpon/vab:ci/add-better-diagnosing-option-for-when-sdkmanager-brokenCopy head branch name to clipboard