fix(h5-shop): 门店 PAUSED 时点击扫码即弹窗，前置到首页

- 门店临时闭店/休息中（非 OPEN）点击首页「扫码核销」立即弹
  「门店目前休息中无法核销，是否开启营业」，不进入扫码流程
- 开张成功后刷新门店状态，可再次扫码
- 修正此前“扫码后才提示”的方案偏差；文档 E 节同步更新

Co-Authored-By: WorkBuddy <workbuddy@tencent.com>

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

@@ -112,6 +112,10 @@ export default function HomePage() {
 
   const [authError, setAuthError] = useState('');
 
+  const [showOpenModal, setShowOpenModal] = useState(false);
+
+  const [opening, setOpening] = useState(false);
+
   const pendingScanStartedRef = useRef(false);
 
 
@@ -309,6 +313,12 @@ export default function HomePage() {
 
     setScanMsg('');
 
+    // 门店临时闭店/休息中（非营业状态）时，点击扫码直接提示，不进入扫码流程
+    if (status !== 'OPEN') {
+      setShowOpenModal(true);
+      return;
+    }
+
     if (!isWechatEnv()) {
 
       setScanMsg('请在微信内打开门店端进行扫码核销');
@@ -349,6 +359,25 @@ export default function HomePage() {
 
 
 
+  async function openStoreAndContinue() {
+    if (opening) return;
+    setOpening(true);
+    try {
+      await request('SHOP_H5', '/shop/store/status', {
+        method: 'PUT',
+        body: JSON.stringify({ status: 'OPEN' }),
+      });
+      setShowOpenModal(false);
+      setScanMsg('');
+      void loadDashboard(); // 刷新门店状态为营业中，扫码按钮可再次使用
+    } catch (e) {
+      setShowOpenModal(false);
+      setScanMsg(e instanceof Error ? e.message : '开启营业失败');
+    } finally {
+      setOpening(false);
+    }
+  }
+
   async function startWechatAuth() {
 
     setAuthLoading(true);
@@ -615,6 +644,33 @@ export default function HomePage() {
 
       />
 
+      {showOpenModal && (
+        <div className="shop-redeem-modal" role="dialog" aria-modal="true">
+          <div className="shop-redeem-modal-card">
+            <h4 className="shop-redeem-modal-title">门店休息中</h4>
+            <p className="shop-redeem-modal-desc">门店目前休息中无法核销，是否开启营业？</p>
+            <div className="shop-redeem-modal-actions">
+              <button
+                type="button"
+                className="shop-redeem-modal-cancel"
+                disabled={opening}
+                onClick={() => setShowOpenModal(false)}
+              >
+                取消
+              </button>
+              <button
+                type="button"
+                className="shop-redeem-modal-confirm"
+                disabled={opening}
+                onClick={() => void openStoreAndContinue()}
+              >
+                {opening ? '开启中…' : '确认开启'}
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
+
     </PullToRefresh>
 
   );