## Summary
Implements feature branch `286-ui-copy-ia-localization-neutralization`.
This change set:
- aligns chooser, managed-environment landing, dashboard, shell, and workspace context copy to environment-first terminology
- neutralizes the bounded policy and baseline helper copy called out by Spec 286
- adds focused feature, guard, and browser coverage plus the complete Spec 286 artifact set
- records the discovered `Capture snapshot` modal issue as out-of-scope runtime debt in the Spec 286 close-out notes
## Validation
- `export PATH="/bin:/usr/bin:/usr/local/bin:$PATH" && cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Feature/Localization/EnvironmentContextTerminologyTest.php tests/Feature/Filament/EnvironmentContextSurfaceCopyTest.php tests/Feature/Filament/Localization/PolicyInventoryLocalizationTest.php tests/Feature/Guards/EnvironmentCopyNeutralizationGuardTest.php`
- `export PATH="/bin:/usr/bin:/usr/local/bin:$PATH" && cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Browser/Spec286EnvironmentCopyNeutralizationSmokeTest.php`
- `export PATH="/bin:/usr/bin:/usr/local/bin:$PATH" && cd apps/platform && ./vendor/bin/sail bin pint --dirty --format agent`
## Notes
- Target branch: `platform-dev`
- Filament remains on v5 with Livewire v4.
- Provider registration remains unchanged in `apps/platform/bootstrap/providers.php`.
- No new destructive actions, asset strategy changes, or global-search posture changes are introduced in this slice.
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #345
ahmido
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