P25L-1~P25L-5 实现预算控制与AP最小可用运营

合同 CSV 已回填 reviewer/QA 结果；运行时回归受当前环境缺少 node/npm 阻塞。

client/src/api/feeControl.ts

@@ -1,3 +1,5 @@
+import { apiRequestData } from "./http";
+
 export type RiskFlag = {
   id: string;
   entityType: string;
@@ -32,3 +34,13 @@ export type PrecheckResponse = {
   riskFlags: Array<{ code: string; level: "low" | "medium" | "high"; title: string; detail: string; willOpenOnSubmit: boolean }>;
   nextActions: string[];
 };
+
+export async function precheckEntity(payload: {
+  entityType: "reimbursement" | "purchase_request" | "travel_request";
+  entityId: string;
+}) {
+  return apiRequestData<PrecheckResponse>("/api/fee-control/precheck", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}