Coaster World v1.98.0 — fichiers ajoutés/modifiés depuis v1.97.0

Fichiers applicatifs :
- app/Http/Controllers/Web/GroupVisitController.php
- app/Services/Admin/ReleaseQaService.php
- app/Services/Admin/ReleaseStaticAuditService.php
- lang/de/ui.php
- lang/en/ui.php
- lang/es/ui.php
- lang/fr/ui.php
- lang/it/ui.php
- resources/views/admin/qa/index.blade.php
- tests/Feature/CriticalRouteContractTest.php
- tests/Feature/ReleaseCandidateStaticAuditTest.php
- tests/Unit/ReleaseQaTranslationContractTest.php
- tools/qa_preflight_windows.bat
- tools/release_candidate_check_windows.bat

Documentation de release :
- CHANGELOG_v1.98.0.md
- INSTALL_v1.98.0.md
- MODIFIED_FILES_v1.98.0.txt