fix(h5-shop): harden iOS WeChat scan after login with hard nav and recover UI

Root cause is JSSDK entry-URL mismatch after SPA post-OAuth, not camera permission. Hard-navigate on iOS, keep OAuth query in sign URL, skip redundant bind OAuth, and prompt refresh/re-auth on failure.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/h5-shop/src/pages/LoginPage.tsx

@@ -159,9 +159,9 @@ export default function LoginPage() {
       });
       saveRememberedSession(data);
       applySession(data);
-      if (isWechatEnv() && wxAuthorize) {
+      if (isWechatEnv() && wxAuthorize && !data.account?.hasWechat) {
         setMsg('登录成功，正在关联微信…');
-        await bindShopWechatAfterSmsLogin();
+        await bindShopWechatAfterSmsLogin(data);
         return;
       }
       routeAfterShopLogin(data, navigate);