版本号单一来源，新增带版本号的 Windows exe 构建脚本

frontend/src/App.tsx

@@ -43,6 +43,7 @@ import {
   GetLogs,
   GetLogStats,
   GetRecords,
+  GetVersion,
   IsRunning,
   ListPrizes,
   OpenLogDir,
@@ -572,6 +573,7 @@ export default function Dashboard() {
   const [logFilter, setLogFilter] = useState('all')
   const [debugLog, setDebugLog] = useState(false)
   const [instanceInfo, setInstanceInfo] = useState<InstanceInfo | null>(null)
+  const [appVersion, setAppVersion] = useState('')
 
   const applyCookieEntries = async (entries: CookieEntry[], persist = true, refreshLatest = false) => {
     const normalizedEntries = entries
@@ -616,13 +618,22 @@ export default function Dashboard() {
 
   useEffect(() => {
     let mounted = true
-    Promise.all([DefaultConfig(), GetLogs(0), IsRunning(), GetLogFilePath(), GetInstanceInfo(), GetLogStats()])
-      .then(([defaults, logItems, isRunning, savedLogPath, info, stats]) => {
+    Promise.all([
+      DefaultConfig(),
+      GetLogs(0),
+      IsRunning(),
+      GetLogFilePath(),
+      GetInstanceInfo(),
+      GetLogStats(),
+      GetVersion(),
+    ])
+      .then(([defaults, logItems, isRunning, savedLogPath, info, stats, version]) => {
         if (!mounted) return
         const instance = info as InstanceInfo | null
         // 本地存储必须按实例分片后再读取，否则多开时两个实例会共用同一份账号与配置。
         applyStorageScope(instance?.id || '')
         setInstanceInfo(instance)
+        setAppVersion(String(version || ''))
         setLogStats((stats || null) as LogStats | null)
         setDebugLog(String((stats as LogStats | null)?.level || '') === 'debug')
 
@@ -1437,7 +1448,7 @@ export default function Dashboard() {
               <Typography.Title level={4}>虎牙抢购</Typography.Title>
               <Typography.Text type="secondary">实时库存 · 多账号 · 定时触发</Typography.Text>
             </div>
-            <Tag>v0.2.0</Tag>
+            <Tag>{appVersion || '…'}</Tag>
           </div>
 
           <Button