feat: add npm and tarball app distribution with upgrade mechanism (#18358)
## Summary
- **npm + tarball app distribution**: Apps can be installed from the npm
registry (public or private) or uploaded as `.tar.gz` tarballs, with
`AppRegistrationSourceType` tracking the origin
- **Upgrade mechanism**: `AppUpgradeService` checks for newer versions,
supports rollback for npm-sourced apps, and a cron job runs every 6
hours to update `latestAvailableVersion` on registrations
- **Security hardening**: Tarball extraction uses path traversal
protection, and `enableScripts: false` in `.yarnrc.yml` disables all
lifecycle scripts during `yarn install` to prevent RCE
- **Frontend**: "Install from npm" and "Upload tarball" modals, upgrade
button on app detail page, blue "Update" badge on installed apps table
when a newer version is available
- **Marketplace catalog sync**: Hourly cron job syncs a hardcoded
catalog index into `ApplicationRegistration` entities
- **Integration tests**: Coverage for install, upgrade, tarball upload,
and catalog sync flows
## Backend changes
| Area | Files |
|------|-------|
| Entity & migration | `ApplicationRegistrationEntity` (sourceType,
sourcePackage, latestAvailableVersion), `ApplicationEntity`
(applicationRegistrationId), migration |
| Services | `AppPackageResolverService`, `ApplicationInstallService`,
`AppUpgradeService`, `MarketplaceCatalogSyncService` |
| Cron jobs | `MarketplaceCatalogSyncCronJob` (hourly),
`AppVersionCheckCronJob` (every 6h) |
| REST endpoint | `AppRegistrationUploadController` — tarball upload
with secure extraction |
| Resolver | `MarketplaceResolver` — simplified `installMarketplaceApp`
(removed redundant `sourcePackage` arg) |
| Security | `.yarnrc.yml` — `enableScripts: false` to block postinstall
RCE |
## Frontend changes
| Area | Files |
|------|-------|
| Modals | `SettingsInstallNpmAppModal`, `SettingsUploadTarballModal`,
`SettingsAppModalLayout` |
| Hooks | `useUploadAppTarball`, `useInstallMarketplaceApp` (cleaned up)
|
| Upgrade UI | `SettingsApplicationVersionContainer`,
`SettingsApplicationDetailAboutTab` |
| Badge | `SettingsApplicationTableRow` — blue "Update" tag,
`SettingsApplicationsInstalledTab` — fetches registrations for version
comparison |
| Styling | Migrated to Linaria (matching main) |
## Test plan
- [ ] Install an app from npm via the "Install from npm" modal
- [ ] Upload a `.tar.gz` tarball via the "Upload tarball" modal
- [ ] Verify upgrade badge appears when `latestAvailableVersion >
version`
- [ ] Verify upgrade flow from app detail page
- [ ] Run integration tests: `app-distribution.integration-spec.ts`,
`marketplace-catalog-sync.integration-spec.ts`
- [ ] Verify `enableScripts: false` blocks postinstall scripts during
yarn install
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