## Summary
- cut over `EntraGroupResource` to an environment-bound admin Directory Groups surface in the workspace-first runtime
- adopt workspace-scoped admin list/detail URLs and add the bounded `Directory > Groups` navigation entry in the admin panel
- keep workspace-home navigation clean while preserving existing scoped list, detail, and global-search behavior
- update focused feature coverage and add a browser smoke for the rendered sidebar drilldown path
- include the Spec 303 package under `specs/303-admin-directory-groups-cutover/`
## Testing
- updated focused Pest coverage for admin navigation segregation, Entra group admin scoping, Entra group global search scoping, and directory group browsing
- added browser smoke coverage in `apps/platform/tests/Browser/Spec303AdminDirectoryGroupsCutoverSmokeTest.php`
## Filament / Runtime Notes
- remains compliant with Filament v5 on Livewire v4
- no provider registration changes; provider registration location remains `apps/platform/bootstrap/providers.php`
- `EntraGroupResource` remains eligible for global search because it has a View page
- no destructive actions were added or changed; confirmation and authorization behavior is unchanged
- no asset registration changes; existing `cd apps/platform && php artisan filament:assets` deploy posture is unchanged
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #358
ahmido
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