fix(share): 用模块级对象属性 _wp.url 彻底避免 minifier 变量名不一致

frontend/src/app/pages/SharePage.tsx

@@ -33,6 +33,9 @@ function supportsWxMiniProgramShare(): boolean {
   } catch { return false; }
 }
 
+
+/** 模块级状态：避免构建压缩时变量名不一致导致 ReferenceError */
+const _wp = { url: null as string | null, tick: 0 };
 export function SharePage() {
   const navigate = useNavigate();
   const { reportId } = useParams();
@@ -93,7 +96,7 @@ export function SharePage() {
     let cancelled = false;
     generateWxacode({ width: 430 })
       .then((url) => {
-        if (!cancelled) { wxacodeUrl.current = url; forceUpdate(n => n + 1); }
+        if (!cancelled) { _wp.url = url; forceUpdate(n => n + 1); }
       })
       .catch((err) => {
         console.warn("[SharePage] 太阳码生成失败:", err);
@@ -106,7 +109,7 @@ export function SharePage() {
   // 卸载时清理 blob URL
   useEffect(() => {
     return () => {
-      if (wxacodeUrl.current?.startsWith("blob:")) URL.revokeObjectURL(wxacodeUrl.current);
+      if (_wp.url?.startsWith("blob:")) URL.revokeObjectURL(_wp.url);
     };
   }, []);
 
@@ -115,11 +118,11 @@ export function SharePage() {
     if (!cardRef.current) return null;
 
     // 等待太阳码渲染完成（blob URL 需浏览器解码）
-    if (shareData && !wxacodeUrl.current) {
+    if (shareData && !_wp.url) {
       await new Promise<void>((resolve) => {
         const start = Date.now();
         const tick = () => {
-          if (wxacodeUrl.current || Date.now() - start > 1500) {
+          if (_wp.url || Date.now() - start > 1500) {
             resolve();
             return;
           }
@@ -127,7 +130,7 @@ export function SharePage() {
         };
         tick();
       });
-      if (!wxacodeUrl.current) {
+      if (!_wp.url) {
         console.warn("[SharePage] 太阳码未就绪，截图中可能缺失二维码");
       }
     }
@@ -666,7 +669,7 @@ function ShareCardContent({
         )}
 
         {/* 太阳码区（截图包含） */}
-        {wxacodeUrl.current && (
+        {_wp.url && (
           <div
             style={{
               textAlign: "center",
@@ -675,7 +678,7 @@ function ShareCardContent({
             }}
           >
             <img
-              src={wxacodeUrl.current}
+              src={_wp.url}
               alt="扫码下载孕育无忧"
               crossOrigin="anonymous"
               style={{