fix(frontend): 同步关于页版本号

BillNote_frontend/vite.config.ts

@@ -1,11 +1,25 @@
 import { defineConfig, loadEnv } from 'vite'
 import react from '@vitejs/plugin-react'
+import fs from 'fs'
 import path from 'path'
 import { fileURLToPath } from 'url'
 import tailwindcss from '@tailwindcss/vite'
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
+function readAppVersion() {
+  const fallbackVersion = '0.0.0'
+
+  try {
+    const tauriConfigPath = path.resolve(__dirname, 'src-tauri/tauri.conf.json')
+    const tauriConfig = JSON.parse(fs.readFileSync(tauriConfigPath, 'utf-8')) as { version?: string }
+    return tauriConfig.version || fallbackVersion
+  }
+  catch {
+    return fallbackVersion
+  }
+}
+
 // https://vitejs.dev/config/
 export default defineConfig(({ mode }) => {
   // 在 Docker 环境中，父目录可能没有 .env 文件，使用当前目录
@@ -14,9 +28,13 @@ export default defineConfig(({ mode }) => {
 
   const apiBaseUrl = env.VITE_API_BASE_URL || 'http://127.0.0.1:8483'
   const port = parseInt(env.VITE_FRONTEND_PORT || '3015', 10)
+  const appVersion = env.VITE_APP_VERSION || process.env.VITE_APP_VERSION || readAppVersion()
 
   return {
     base: './',
+    define: {
+      __APP_VERSION__: JSON.stringify(appVersion),
+    },
     plugins: [react(), tailwindcss()],
     resolve: {
       alias: {