fix: inline @shared constants for standalone build

client/vite.config.ts

@@ -4,7 +4,6 @@ import react from '@vitejs/plugin-react'
 import { defineConfig } from 'vite'
 
 const rootDir = fileURLToPath(new URL('.', import.meta.url))
-const projectRoot = path.resolve(rootDir, '..', '..', 'shop-server')
 
 // https://vite.dev/config/
 export default defineConfig({
@@ -12,12 +11,11 @@ export default defineConfig({
   resolve: {
     alias: {
       '@': path.resolve(rootDir, 'src'),
-      '@shared': path.resolve(projectRoot, 'shared'),
     },
   },
   server: {
     fs: {
-      allow: [path.resolve(rootDir, '..'), projectRoot],
+      allow: [path.resolve(rootDir, '..')],
     },
     port: 5173,
     proxy: {