refactor: 优化项目结构 — 修复拼写、提取共享 interceptor、扁平化 db 目录、清理空包

apps/server/src/routes/__root.tsx

@@ -9,7 +9,7 @@ import {
 import { TanStackRouterDevtoolsPanel } from '@tanstack/react-router-devtools'
 import type { ReactNode } from 'react'
 import { ErrorComponent } from '@/components/Error'
-import { NotFoundComponent } from '@/components/NotFount'
+import { NotFoundComponent } from '@/components/NotFound'
 import appCss from '@/styles.css?url'
 
 export interface RouterContext {