fix(#HIF-37): 修复备注表单提交时未携带完整用户数据

备注保存前获取完整用户详情构造请求体，TC03 清空备注场景不再丢失其他字段。
拆出 RemarkForm 组件，增加保存中禁用态和失败错误提示。

apps/admin/src/sections/user/user-basic-info-payload.ts

@@ -0,0 +1,26 @@
+import type { UpdateUserBasicInfoBody } from "@workspace/ui/services/admin/user";
+
+export type UserBasicInfoPayload = Omit<UpdateUserBasicInfoBody, "remark"> & {
+  remark: string;
+};
+
+export function buildUserBasicInfoPayload(
+  user: API.User,
+  remark: string
+): UserBasicInfoPayload {
+  return {
+    user_id: user.id,
+    avatar: user.avatar,
+    balance: user.balance,
+    commission: user.commission,
+    referral_percentage: user.referral_percentage,
+    only_first_purchase: user.only_first_purchase,
+    gift_amount: user.gift_amount,
+    telegram: user.telegram,
+    refer_code: user.refer_code,
+    referer_id: user.referer_id,
+    enable: user.enable,
+    is_admin: user.is_admin ?? false,
+    remark,
+  };
+}