feat: 重构管理员权限管理，移除 AdminPermission 模型，整合权限与角色管理逻辑，优化 API 接口以支持角色与权限的同步，增强数据库填充器以对齐权限配置

tests/Pest.php

@@ -52,13 +52,22 @@ function grantSuperAdminRole(AdminUser $admin): void
     $now = now();
     DB::table('admin_roles')->updateOrInsert(
         ['slug' => AdminUser::ROLE_SUPER_ADMIN],
-        ['name' => 'Super Admin', 'created_at' => $now, 'updated_at' => $now],
+        [
+            'name' => 'Super Admin',
+            'code' => AdminUser::ROLE_SUPER_ADMIN,
+            'created_at' => $now,
+            'updated_at' => $now,
+        ],
     );
     $rid = (int) DB::table('admin_roles')->where('slug', AdminUser::ROLE_SUPER_ADMIN)->value('id');
-    if (! DB::table('admin_user_roles')->where('admin_user_id', $admin->id)->where('role_id', $rid)->exists()) {
-        DB::table('admin_user_roles')->insert([
+    $siteId = (int) DB::table('admin_sites')->where('is_default', true)->value('id');
+
+    DB::table('admin_user_site_roles')->updateOrInsert(
+        [
             'admin_user_id' => $admin->id,
+            'site_id' => $siteId,
             'role_id' => $rid,
-        ]);
-    }
+        ],
+        ['granted_at' => $now],
+    );
 }