feat: implement spec 285 workspace-first environment access (#344)
Implements platform feature branch `285-workspace-rbac-environment-access`.
Summary:
- switch managed environment authorization to workspace-first role resolution with explicit environment-scope narrowing
- rewire Filament pages, resources, policies, and user tenant access helpers to the shared access-scope resolver
- add Spec 285 coverage across unit, feature, and browser tests plus full spec artifacts
Validation:
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Unit/Auth/WorkspaceFirstCapabilityResolverTest.php tests/Unit/Auth/ManagedEnvironmentAccessScopeResolverTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Feature/Auth/WorkspaceFirstManagedEnvironmentAccessTest.php tests/Feature/Filament/ManagedEnvironmentAccessScopeManagementTest.php tests/Feature/Filament/WorkspaceMembershipRoleManagementTest.php tests/Feature/Rbac/GovernanceArtifactsWorkspaceFirstAuthorizationTest.php tests/Feature/Rbac/OperationRunWorkspaceFirstAuthorizationTest.php tests/Feature/Rbac/ProviderConnectionWorkspaceFirstPolicyTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Feature/Verification/ProviderExecutionReauthorizationTest.php tests/Feature/ProviderConnections/ProviderConnectionHealthCheckStartSurfaceTest.php tests/Feature/Tenants/TenantProviderBackedActionStartTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Feature/Audit/TenantMembershipAuditLogTest.php tests/Feature/Filament/TenantMembersTest.php tests/Feature/TenantRBAC/TenantMembershipCrudTest.php tests/Feature/TenantRBAC/TenantSwitcherScopeTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test --compact tests/Browser/Spec285WorkspaceRbacEnvironmentAccessSmokeTest.php`
- `cd apps/platform && ./vendor/bin/sail bin pint --dirty --format agent`
Target branch: `platform-dev`.
Follow-up integration path after merge:
- `platform-dev` -> `dev`.
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #344
ahmido
c7b38606a9