Add frontend version

frontend/vite.config.js

@@ -1,7 +1,22 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import { readFileSync } from 'fs'
+import { resolve } from 'path'
+
+// Read version from version.json
+let version = 'unknown'
+try {
+  const versionFile = readFileSync(resolve(__dirname, 'version.json'), 'utf-8')
+  const versionData = JSON.parse(versionFile)
+  version = versionData.version
+} catch (error) {
+  console.warn('Warning: Could not read version.json, using default version')
+}
 
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  define: {
+    __APP_VERSION__: JSON.stringify(version),
+  },
 })