## Summary
- add the full Spec 195 residual action-surface design package under `specs/195-action-surface-closure`
- implement residual surface inventory and validator enforcement for uncatalogued system and special Filament pages
- add focused regression coverage for residual guards, system directory pages, managed-tenants landing, and readonly register-tenant / tenant-dashboard access
- fix the system workspace detail surface by loading tenant route keys and disabling lazy system database notifications to avoid the Livewire 404 on `/system/directory/workspaces/{workspace}`
## Testing
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Feature/System/Spec195/SystemDirectoryResidualSurfaceTest.php tests/Feature/Filament/DatabaseNotificationsPollingTest.php`
- `cd apps/platform && ./vendor/bin/sail bin pint --dirty --format agent`
## Notes
- branch: `195-action-surface-closure`
- target: `dev`
- no new assets, migrations, or provider-registration changes
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #230
ahmido
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