feat: full i18n — 1752 keys across 10 languages, all panels translated (#326)

feat(refactor): ready for manual QA after main sync (#274)

fix(workspaces): unblock pending tenant bootstrap flow

merge: sync virtual office branch with main

fix: improve workspace creation discoverability in super admin

fix: resolve cron calendar and auth regressions from open issues

feat: upgrade local-mode virtual office and flight deck integration

feat: initial open-source release