Add "Eltávolítás" to remove deployed (non-orphaned) stacks — reverts
them to "Nincs telepítve" while preserving templates for redeploy.
Modal offers HDD data and backup data cleanup choices.
Auto-inject missing deploy fields (secrets, domains) into existing
app.yaml when templates are updated via sync or on controller startup.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- New route: GET /apps/{slug} renders info page with use cases, setup guide, prerequisites
- New API: POST /api/stacks/{name}/optional-config for updating optional env vars
- New structs: AppInfo, OptionalConfigGroup, OptionalConfigField in metadata.go
- UpdateOptionalConfig saves to app.yaml and restarts deployed stacks with new env vars
- Info page template with hero section, screenshots, info cards, optional config form
- Navigation: stack cards now link to /apps/{slug}, deploy page has "Részletek" link
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>