feat(cps): 新建淘宝活动支持上传/选择落地页图 + 列表缩略图

- ActivityFormModal 淘宝分支加 ImagePicker(上传新图 / 选已有 / 预览),必填
- 活动列表加落地页图缩略图列
- types: CpsActivity.image_url

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/(main)/cps/page.tsx

@@ -19,6 +19,7 @@ import {
   Tabs,
   Tag,
   Typography,
+  Upload,
   message,
 } from 'antd';
 import { api, errMsg } from '@/lib/api';
@@ -556,6 +557,17 @@ function ActivitiesTab() {
       ellipsis: true,
       render: (v: string | null) => v || '-',
     },
+    {
+      title: '落地页图',
+      dataIndex: 'image_url',
+      width: 80,
+      render: (v: string | null) =>
+        v ? (
+          <img src={v} alt="" style={{ width: 36, height: 46, objectFit: 'cover', borderRadius: 4 }} />
+        ) : (
+          '-'
+        ),
+    },
     {
       title: '状态',
       dataIndex: 'status',
@@ -587,13 +599,86 @@ function ActivitiesTab() {
           showTotal: (t) => `共 ${t} 个活动`,
           onChange,
         }}
-        scroll={{ x: 1000 }}
+        scroll={{ x: 1080 }}
       />
       <ActivityFormModal open={createOpen} onClose={() => setCreateOpen(false)} onDone={reload} />
     </div>
   );
 }
 
+// 淘宝活动落地页图选择器:上传新图 或 点选已有图。受控组件(value = image_url 绝对 URL)。
+function ImagePicker({ value, onChange }: { value?: string | null; onChange?: (v: string) => void }) {
+  const [existing, setExisting] = useState<string[]>([]);
+  const [uploading, setUploading] = useState(false);
+
+  useEffect(() => {
+    api
+      .get<{ images: string[] }>('/admin/api/cps/activity-images')
+      .then((r) => setExisting(r.data.images || []))
+      .catch(() => {});
+  }, []);
+
+  const upload = async (file: File) => {
+    setUploading(true);
+    try {
+      const fd = new FormData();
+      fd.append('file', file);
+      const r = await api.post<{ url: string }>('/admin/api/cps/upload-image', fd);
+      onChange?.(r.data.url);
+      setExisting((prev) => (prev.includes(r.data.url) ? prev : [r.data.url, ...prev]));
+      message.success('图片已上传');
+    } catch (e) {
+      message.error(errMsg(e, '上传失败'));
+    } finally {
+      setUploading(false);
+    }
+  };
+
+  const thumb = (u: string, w: number, selected: boolean) => (
+    <img
+      key={u}
+      src={u}
+      alt="落地页图"
+      onClick={() => onChange?.(u)}
+      style={{
+        width: w,
+        height: Math.round(w * 1.27),
+        objectFit: 'cover',
+        borderRadius: 6,
+        cursor: 'pointer',
+        border: selected ? '2px solid #ff4d4f' : '2px solid #f0f0f0',
+      }}
+    />
+  );
+
+  return (
+    <div>
+      <Upload
+        accept="image/*"
+        showUploadList={false}
+        beforeUpload={(file) => {
+          upload(file);
+          return false; // 阻止 antd 默认上传,走我们自己的端点
+        }}
+      >
+        <Button loading={uploading}>上传新图</Button>
+      </Upload>
+      {value && (
+        <div style={{ marginTop: 8, display: 'flex', alignItems: 'center', gap: 8 }}>
+          <span style={{ fontSize: 12, color: '#999' }}>当前:</span>
+          {thumb(value, 90, true)}
+        </div>
+      )}
+      {existing.length > 0 && (
+        <div style={{ marginTop: 10 }}>
+          <div style={{ fontSize: 12, color: '#999', marginBottom: 6 }}>或选择已有图:</div>
+          <Space wrap>{existing.map((u) => thumb(u, 56, u === value))}</Space>
+        </div>
+      )}
+    </div>
+  );
+}
+
 function ActivityFormModal({
   open,
   onClose,
@@ -655,13 +740,22 @@ function ActivityFormModal({
           </>
         )}
         {platform === 'taobao' && (
-          <Form.Item
-            name="payload"
-            label="淘口令(整段,运营从淘宝联盟复制,落地页原样复制给用户)"
-            rules={[{ required: true, message: '请填淘口令' }]}
-          >
-            <Input.TextArea rows={4} placeholder="如:8￥abcXYZ￥ https://m.tb.cn/h.xxx 长按复制本条..." maxLength={4096} />
-          </Form.Item>
+          <>
+            <Form.Item
+              name="payload"
+              label="淘口令(整段,运营从淘宝联盟复制,落地页原样复制给用户)"
+              rules={[{ required: true, message: '请填淘口令' }]}
+            >
+              <Input.TextArea rows={4} placeholder="如:8￥abcXYZ￥ https://m.tb.cn/h.xxx 长按复制本条..." maxLength={4096} />
+            </Form.Item>
+            <Form.Item
+              name="image_url"
+              label="落地页图(用户点链接后看到的页面主图,上传新图或选已有)"
+              rules={[{ required: true, message: '请上传或选择落地页图' }]}
+            >
+              <ImagePicker />
+            </Form.Item>
+          </>
         )}
         {platform === 'jd' && (
           <Form.Item

src/lib/types.ts

@@ -323,6 +323,7 @@ export interface CpsActivity {
   act_id: string | null; // 美团活动物料 ID
   product_view_sign: string | null;
   payload: string | null; // 淘宝整段淘口令 / 京东链接
+  image_url: string | null; // 淘宝落地页主视觉图(绝对 URL)
   status: string;
   remark: string | null;
   created_at: string;