feat: 完成P6-P8前端能力闭环（V3,D2,D3,B3）

client/src/api/integrations.ts

@@ -0,0 +1,62 @@
+import { apiRequestData } from "./http";
+
+export async function triggerErpSync(reimbursementId: string, runNow = true) {
+  return apiRequestData<{
+    outboxId: string;
+    status: string;
+    duplicated: boolean;
+  }>(`/api/integrations/erp/sync/${reimbursementId}?runNow=${runNow ? "1" : "0"}`, {
+    method: "POST",
+    body: JSON.stringify({}),
+  });
+}
+
+export async function importTravelOrders(payload: {
+  orders: Array<{
+    source: string;
+    externalOrderNo: string;
+    employeeId: string;
+    linkedReimbursementId?: string;
+    occurredAt?: string;
+    amount?: number;
+    currency?: string;
+  }>;
+}) {
+  return apiRequestData<{
+    requested: number;
+    imported: number;
+    skipped: Array<{ source: string; externalOrderNo: string; reason: string }>;
+    items: Array<{
+      id: string;
+      source: string;
+      externalOrderNo: string;
+      employeeId: string;
+      linkedReimbursementId: string | null;
+    }>;
+  }>(`/api/travel/orders/import`, {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}
+
+export async function testNotificationChannel(payload: {
+  channelType: string;
+  name: string;
+}) {
+  return apiRequestData<{
+    channel: {
+      id: string;
+      channelType: string;
+      name: string;
+      enabled: boolean;
+    };
+    testResult: {
+      ok: boolean;
+      code: string;
+      response?: Record<string, unknown>;
+    };
+  }>(`/api/notifications/channels/test`, {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}