Add multi-branch POS with team roles and branch-scoped cashiers.

Pro and Business users can manage branches, invite cashiers with branch assignment, and switch registers; sales and register flows respect acting location.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Auth/SsoLoginController.php

@@ -119,6 +119,7 @@ class SsoLoginController extends Controller
         }
 
         QrTeamMember::linkPendingInvitesFor($user);
+        app(\App\Services\Pos\TeamMemberProvisioner::class)->sync($user);
 
         Auth::login($user, remember: true);
         $request->session()->regenerate();