feat: 添加 SignalR 客户端与订单大厅 API 模块

- 安装 @microsoft/signalr 依赖
- 新增 useSignalR Hook（自动重连 + 断线补偿回调）
- 新增订单大厅 API 模块（board/stats/pending-since + 接单/拒单/出餐/确认）

apps/web-antd/src/api/order-board/index.ts

@@ -0,0 +1,100 @@
+/**
+ * 文件职责：订单大厅（看板）接口与类型定义。
+ */
+import { requestClient } from '#/api/request';
+
+/** 订单看板卡片。 */
+export interface OrderBoardCard {
+  acceptedAt?: null | string;
+  channel: number;
+  createdAt: string;
+  customerName?: null | string;
+  customerPhone?: null | string;
+  deliveryType: number;
+  id: string;
+  isUrged: boolean;
+  itemsSummary?: null | string;
+  orderNo: string;
+  paidAmount: number;
+  queueNumber?: null | string;
+  readyAt?: null | string;
+  status: number;
+  storeId: string;
+  tableNo?: null | string;
+  urgeCount: number;
+}
+
+/** 订单看板结果（四列）。 */
+export interface OrderBoardResult {
+  completed: OrderBoardCard[];
+  delivering: OrderBoardCard[];
+  making: OrderBoardCard[];
+  pending: OrderBoardCard[];
+}
+
+/** 订单看板统计。 */
+export interface OrderBoardStats {
+  completedCount: number;
+  deliveringCount: number;
+  makingCount: number;
+  pendingCount: number;
+  todayTotal: number;
+}
+
+/** 获取完整看板数据。 */
+export async function getOrderBoardApi(params: {
+  channel?: string;
+  storeId: string;
+}) {
+  return requestClient.get<OrderBoardResult>('/order-board/board', { params });
+}
+
+/** 获取看板统计。 */
+export async function getOrderBoardStatsApi(params: { storeId: string }) {
+  return requestClient.get<OrderBoardStats>('/order-board/stats', { params });
+}
+
+/** 重连补偿拉取。 */
+export async function getPendingSinceApi(params: {
+  since: string;
+  storeId: string;
+}) {
+  return requestClient.get<OrderBoardCard[]>('/order-board/pending-since', {
+    params,
+  });
+}
+
+/** 接单。 */
+export async function acceptOrderApi(orderId: string) {
+  return requestClient.post<OrderBoardCard>(
+    `/order-board/${orderId}/accept`,
+    {},
+  );
+}
+
+/** 拒单。 */
+export async function rejectOrderApi(
+  orderId: string,
+  data: { reason: string },
+) {
+  return requestClient.post<OrderBoardCard>(
+    `/order-board/${orderId}/reject`,
+    data,
+  );
+}
+
+/** 出餐完成。 */
+export async function completePreparationApi(orderId: string) {
+  return requestClient.post<OrderBoardCard>(
+    `/order-board/${orderId}/complete-preparation`,
+    {},
+  );
+}
+
+/** 确认送达/取餐。 */
+export async function confirmDeliveryApi(orderId: string) {
+  return requestClient.post<OrderBoardCard>(
+    `/order-board/${orderId}/confirm-delivery`,
+    {},
+  );
+}