fix: 修复打包 lint 报错，版本号 1.1.1

middleware.ts 临时跳过认证的早 return 导致后续代码 unreachable，
TS 在不可达分支里不做类型 narrowing 触发 TS18048；
改为 BYPASS_AUTH 常量分支保留完整鉴权逻辑便于恢复。

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "ln-bi",
   "private": true,
-  "version": "1.1.0",
+  "version": "1.1.1",
   "type": "module",
   "scripts": {
     "dev": "concurrently -n server,client -c blue,green \"npm run dev:server\" \"npm run dev:client\"",