feat: 更新 Service Worker 版本管理，优化缓存策略，增加未处理更新的提示

Web/vite.config.js

@@ -1,4 +1,6 @@
 import { fileURLToPath, URL } from 'node:url'
+import { writeFileSync, readFileSync, existsSync } from 'node:fs'
+import { resolve } from 'node:path'
 
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
@@ -9,6 +11,20 @@ export default defineConfig({
   plugins: [
     vue(),
     vueDevTools(),
+    {
+      name: 'update-sw-version',
+      apply: 'build',
+      closeBundle() {
+        const swPath = resolve(fileURLToPath(new URL('.', import.meta.url)), 'dist/service-worker.js')
+        if (existsSync(swPath)) {
+          let content = readFileSync(swPath, 'utf8')
+          const timestamp = new Date().toISOString()
+          content = content.replace(/const VERSION = '.*';/, `const VERSION = '${timestamp}';`)
+          writeFileSync(swPath, content)
+          console.log(`[SW Update] Version updated to ${timestamp}`)
+        }
+      }
+    }
   ],
   resolve: {
     alias: {