feat(cps): 活动表单支持编辑 + 列表加编辑按钮

- ActivityFormModal 改 create+edit 双模式(回填字段, 编辑走 PATCH, 加状态切换)
- 活动列表操作列加「编辑」

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

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

@@ -556,6 +556,7 @@ function ActivitiesTab() {
   );
   const canManage = canDo(['operator']);
   const [createOpen, setCreateOpen] = useState(false);
+  const [editing, setEditing] = useState<CpsActivity | null>(null);
 
   const delActivity = async (a: CpsActivity) => {
     try {
@@ -613,17 +614,20 @@ function ActivitiesTab() {
             title: '操作',
             key: 'op',
             fixed: 'right' as const,
-            width: 80,
+            width: 120,
             render: (_: unknown, a: CpsActivity) => (
-              <Popconfirm
-                title="删除这个活动?"
-                description="已生成的链接仍可用;淘宝活动删除后其落地页改用默认图。"
-                okText="删除"
-                okButtonProps={{ danger: true }}
-                onConfirm={() => delActivity(a)}
-              >
-                <a style={{ color: '#cf1322' }}>删除</a>
-              </Popconfirm>
+              <Space>
+                <a onClick={() => setEditing(a)}>编辑</a>
+                <Popconfirm
+                  title="删除这个活动?"
+                  description="已生成的链接仍可用;淘宝活动删除后其落地页改用默认图。"
+                  okText="删除"
+                  okButtonProps={{ danger: true }}
+                  onConfirm={() => delActivity(a)}
+                >
+                  <a style={{ color: '#cf1322' }}>删除</a>
+                </Popconfirm>
+              </Space>
             ),
           },
         ] as ColumnsType<CpsActivity>)
@@ -652,9 +656,10 @@ function ActivitiesTab() {
           showTotal: (t) => `共 ${t} 个活动`,
           onChange,
         }}
-        scroll={{ x: 1160 }}
+        scroll={{ x: 1200 }}
       />
-      <ActivityFormModal open={createOpen} onClose={() => setCreateOpen(false)} onDone={reload} />
+      <ActivityFormModal open={createOpen} activity={null} onClose={() => setCreateOpen(false)} onDone={reload} />
+      <ActivityFormModal open={!!editing} activity={editing} onClose={() => setEditing(null)} onDone={reload} />
     </div>
   );
 }
@@ -734,22 +739,38 @@ function ImagePicker({ value, onChange }: { value?: string | null; onChange?: (v
 
 function ActivityFormModal({
   open,
+  activity,
   onClose,
   onDone,
 }: {
   open: boolean;
+  activity: CpsActivity | null;
   onClose: () => void;
   onDone: () => void;
 }) {
   const [form] = Form.useForm();
+  const isEdit = !!activity;
   const platform = (Form.useWatch('platform', form) as string | undefined) || 'meituan';
 
   useEffect(() => {
     if (open) {
-      form.resetFields();
-      form.setFieldsValue({ platform: 'meituan' });
+      if (activity) {
+        form.setFieldsValue({
+          name: activity.name,
+          platform: activity.platform,
+          act_id: activity.act_id,
+          product_view_sign: activity.product_view_sign,
+          payload: activity.payload,
+          image_url: activity.image_url,
+          remark: activity.remark,
+          status: activity.status,
+        });
+      } else {
+        form.resetFields();
+        form.setFieldsValue({ platform: 'meituan' });
+      }
     }
-  }, [open, form]);
+  }, [open, activity, form]);
 
   const submit = async () => {
     const v = await form.validateFields();
@@ -763,8 +784,13 @@ function ActivityFormModal({
       return;
     }
     try {
-      await api.post('/admin/api/cps/activities', v);
-      message.success('已新建活动');
+      if (isEdit && activity) {
+        await api.patch(`/admin/api/cps/activities/${activity.id}`, v);
+        message.success('已更新活动');
+      } else {
+        await api.post('/admin/api/cps/activities', v);
+        message.success('已新建活动');
+      }
       onClose();
       onDone();
     } catch (e) {
@@ -773,7 +799,7 @@ function ActivityFormModal({
   };
 
   return (
-    <Modal title="新建活动" open={open} onOk={submit} onCancel={onClose} destroyOnHidden>
+    <Modal title={isEdit ? '编辑活动' : '新建活动'} open={open} onOk={submit} onCancel={onClose} destroyOnHidden>
       <Form form={form} layout="vertical" initialValues={{ platform: 'meituan' }}>
         <Form.Item name="name" label="活动名" rules={[{ required: true }]}>
           <Input placeholder="如:点我领取大额红包" />
@@ -823,6 +849,16 @@ function ActivityFormModal({
         <Form.Item name="remark" label="备注">
           <Input.TextArea rows={2} maxLength={256} />
         </Form.Item>
+        {isEdit && (
+          <Form.Item name="status" label="状态">
+            <Select
+              options={[
+                { value: 'active', label: '启用(active)' },
+                { value: 'archived', label: '归档(archived)' },
+              ]}
+            />
+          </Form.Item>
+        )}
       </Form>
     </Modal>
   );