修复: 设置页和分离窗口渲染崩溃(TDZ + 窗口权限通配符)

- AdvancedSection clampApprovalTimeout 常量移到 reactive 之前(打包后 const 初始化顺序 TDZ)
- @/i18n 去掉对 @/stores/appSettings 的 import,改直读 localStorage
- Tauri capability 加 ai-detached-* / fe-detached-* 通配符(分离窗口 listen 权限)

src-tauri/capabilities/default.json

@@ -1,7 +1,7 @@
 {
   "identifier": "default",
   "description": "DevFlow default permissions",
-  "windows": ["main", "ai-detached"],
+  "windows": ["main", "ai-detached", "ai-detached-*", "fe-detached-*"],
   "permissions": [
     "core:default",
     "core:event:default",