add role permission logic

app/Services/Roles/RoleSwitchService.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Services\Roles;
+
+use App\Models\UserRole;
+use Illuminate\Support\Facades\Session;
+
+class RoleSwitchService
+{
+    public function __construct(private RoleDashboardService $dashboardService)
+    {
+    }
+
+    public function getUserRoleNames(int $userId): array
+    {
+        $roles = UserRole::getRolesByUserId($userId);
+        return array_values(array_filter(array_map(fn ($r) => (string) ($r['role_name'] ?? ''), $roles)));
+    }
+
+    public function switchRole(string $role): string
+    {
+        Session::put('active_role', $role);
+        return $this->dashboardService->bestDashboardRouteFor([$role]);
+    }
+}