feat(admin): 完善后台角色管理与权限同步，新增当前管理员信息接口

app/Support/AdminRoleApiPresenter.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Support;
+
+use App\Models\AdminRole;
+
+final class AdminRoleApiPresenter
+{
+    /** @return array<string, mixed> */
+    public static function item(AdminRole $role): array
+    {
+        return [
+            'id' => (int) $role->id,
+            'slug' => $role->slug,
+            'name' => $role->name,
+            'description' => $role->description,
+            'status' => (int) $role->status,
+            'is_system' => (bool) $role->is_system,
+            'sort_order' => (int) $role->sort_order,
+            'permission_slugs' => $role->legacyPermissionSlugs(),
+            'user_count' => $role->assignedUserCount(),
+        ];
+    }
+}