feat: complete Epic 1 — team management & permission system

- Story 1.1: Permission enum, config, AuthorizesPermissions & HasWorkspaceScope traits, member→worker migration
- Story 1.2: Team page with member list, invitation system with queued email
- Story 1.3: Role assignment (Manager/Worker) and member removal with activity logging
- Story 1.4: Owner-only permission toggle matrix for Managers (manage team, view logs, configure portal)
- Story 1.5: Role-based access enforcement — Workers see only assigned declarations/clients, sidebar scoping
- Story 1.6: Workspace switcher dropdown for multi-workspace users with session-based switching
- 83 new/modified files, 182 tests passing with zero regressions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

resources/views/emails/team-invitation.blade.php

@@ -0,0 +1,17 @@
+<x-mail::message>
+# Invitation à rejoindre {{ $workspaceName }}
+
+Bonjour,
+
+Vous êtes invité(e) à rejoindre le cabinet **{{ $workspaceName }}** en tant que **{{ $roleLabel }}**.
+
+Cliquez sur le bouton ci-dessous pour créer votre compte et rejoindre l'équipe.
+
+<x-mail::button :url="$registerUrl" color="primary">
+Rejoindre l'équipe
+</x-mail::button>
+
+Ce lien est valide jusqu'au {{ $expiresAt }}.
+
+Si vous n'avez pas demandé cette invitation, vous pouvez ignorer cet email.
+</x-mail::message>