feat(catalog): add product fulfillment flags and auto SKU

Enable online/cross-city/on-site purchase switches with trade gates, HQ and proxy UI, and server-generated DK SKUs.

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

apps/h5-partner/src/pages/ProxyOrderPage.tsx

@@ -151,6 +151,22 @@ export default function ProxyOrderPage() {
     autoReceive,
   ]);
 
+  const selectedProduct = options?.products.find((p) => p.id === productId);
+  const allowOnline = selectedProduct ? selectedProduct.allowOnlinePurchase !== false : true;
+  const allowOnSite = !!selectedProduct?.allowOnSitePickup;
+  const allowCrossCity = selectedProduct ? selectedProduct.allowCrossCityDelivery !== false : true;
+
+  useEffect(() => {
+    if (!selectedProduct) return;
+    if (!allowOnline && allowOnSite && deliveryMode !== 'ON_SITE_PICKUP') {
+      setDeliveryMode('ON_SITE_PICKUP');
+      return;
+    }
+    if (allowOnline && !allowOnSite && deliveryMode !== 'ADDRESS') {
+      setDeliveryMode('ADDRESS');
+    }
+  }, [selectedProduct, allowOnline, allowOnSite, deliveryMode]);
+
   useEffect(() => {
     if (!productId || quantity < 1) {
       setPreview(null);
@@ -169,8 +185,14 @@ export default function ProxyOrderPage() {
         }),
         silent: true,
       })
-        .then(setPreview)
-        .catch(() => setPreview(null))
+        .then((data) => {
+          setPreview(data);
+          setMsg('');
+        })
+        .catch((e) => {
+          setPreview(null);
+          setMsg(e instanceof Error ? e.message : '费用预览失败');
+        })
         .finally(() => setPreviewLoading(false));
     }, 300);
     return () => clearTimeout(timer);
@@ -180,11 +202,14 @@ export default function ProxyOrderPage() {
     if (!/^1\d{10}$/.test(phone.trim())) return '请输入有效手机号';
     if (!productId) return '请选择商品';
     if (deliveryMode === 'ADDRESS') {
+      if (!allowOnline) return '该商品不支持线上购买';
       if (!region?.province || !region?.city || !region?.district) return '请选择省市区';
       if (!addressDetail.trim()) return '请填写详细地址';
       if (!autoReceive) return '配送到址须勾选同意自动收货';
+    } else if (!allowOnSite) {
+      return '该商品不支持现场提货';
     }
-    if (!preview) return '请等待费用计算完成';
+    if (!preview) return msg || '请等待费用计算完成';
     return null;
   }
 
@@ -305,7 +330,6 @@ export default function ProxyOrderPage() {
     }
   }
 
-  const selectedProduct = options?.products.find((p) => p.id === productId);
   const deliveryLabel =
     preview?.deliveryType === 'ON_SITE_PICKUP'
       ? '现场提货'
@@ -477,25 +501,37 @@ export default function ProxyOrderPage() {
 
             <section className="partner-form-section">
               <label className="partner-form-label">履约方式</label>
-              <div className="partner-proxy-mode-tabs">
-                <button
-                  type="button"
-                  className={`partner-proxy-mode-tab${deliveryMode === 'ADDRESS' ? ' is-active' : ''}`}
-                  onClick={() => setDeliveryMode('ADDRESS')}
-                >
-                  配送到址
-                </button>
-                <button
-                  type="button"
-                  className={`partner-proxy-mode-tab${deliveryMode === 'ON_SITE_PICKUP' ? ' is-active' : ''}`}
-                  onClick={() => setDeliveryMode('ON_SITE_PICKUP')}
-                >
-                  现场提货
-                </button>
-              </div>
+              {allowOnline && allowOnSite ? (
+                <div className="partner-proxy-mode-tabs">
+                  <button
+                    type="button"
+                    className={`partner-proxy-mode-tab${deliveryMode === 'ADDRESS' ? ' is-active' : ''}`}
+                    onClick={() => setDeliveryMode('ADDRESS')}
+                  >
+                    配送到址
+                  </button>
+                  <button
+                    type="button"
+                    className={`partner-proxy-mode-tab${deliveryMode === 'ON_SITE_PICKUP' ? ' is-active' : ''}`}
+                    onClick={() => setDeliveryMode('ON_SITE_PICKUP')}
+                  >
+                    现场提货
+                  </button>
+                </div>
+              ) : (
+                <p className="label-md text-muted">
+                  {!allowOnline && allowOnSite
+                    ? '该商品仅支持现场提货'
+                    : allowOnline && !allowOnSite
+                      ? allowCrossCity
+                        ? '该商品仅支持配送到址（含跨城）'
+                        : '该商品仅支持配送到址（不可跨城）'
+                      : '该商品暂无可选履约方式'}
+                </p>
+              )}
             </section>
 
-            {deliveryMode === 'ADDRESS' ? (
+            {deliveryMode === 'ADDRESS' && allowOnline ? (
               <>
                 <section className="partner-form-section">
                   <label className="partner-form-label">收货人（选填）</label>