## Summary
- centralize workspace hub environment filter reset behavior across the affected Filament workspace hubs
- add a shared page concern and resetter service to clear environment-like URL, Livewire, table, deferred, and persisted filter state consistently
- update hub clear actions and clean-entry flows to route back to the canonical clean workspace hub state
- add focused feature and browser coverage for the clear-filter contract
- include Spec 316 artifacts for the workspace hub clear filter contract
## Testing
- not run as part of this commit/push/PR workflow
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #371