fix(system): 修复转码设置菜单误下发导致前端白屏

sql/patch-2026-10-22-transcode-settings-menu.sql

@@ -1,11 +1,17 @@
 -- Author: fruit.com.cn
 -- 后台「转码设置」独立菜单（幂等，仅提交文件，由发布流程执行）
+-- 权限码独立于 episode:upload：否则创作者角色会误得该子菜单，父级不可见时
+-- 会被提升为一级相对路径路由，前端注册报错。
+
+INSERT INTO sys_permission (id, code, name, group_name, type, sort)
+VALUES (50000105, 'system:transcode:settings', '转码设置', '后台管理', 'MENU', 7)
+ON CONFLICT (code) DO NOTHING;
 
 INSERT INTO sys_menu (id, parent_id, title, route_path, route_name, component, redirect, icon,
                       permission_code, type, always_show, affix, sort) VALUES
   (35, 6, '转码设置', 'transcode-settings', 'transcode-settings',
    'views/systemManagement/TranscodeSettingsView', '', '',
-   'episode:upload', 'MENU', 0, 0, 7)
+   'system:transcode:settings', 'MENU', 0, 0, 7)
 ON CONFLICT (id) DO UPDATE SET parent_id = EXCLUDED.parent_id, title = EXCLUDED.title,
   route_path = EXCLUDED.route_path, route_name = EXCLUDED.route_name,
   component = EXCLUDED.component, redirect = EXCLUDED.redirect, icon = EXCLUDED.icon,