LP6 完善请假采购体验与审批说明

client/src/api/errorMessages.ts

@@ -299,6 +299,10 @@ export function mapApiErrorMessage(
       return "当前报销金额超出预算，系统已阻断提交。";
     }
 
+    if (details?.budget === "missing_budget_pool") {
+      return "未匹配到预算池；当前强预算校验已阻断提交，请联系管理员补充预算配置。";
+    }
+
     if (details?.leave === "conflict_range") {
       return "当前时间段与已有请假记录冲突，请调整后再提交。";
     }

client/src/api/leave.ts

@@ -66,6 +66,28 @@ export type LeaveRequestItem = {
     employeeNo: string;
     name: string;
   } | null;
+  pendingWorkflow: {
+    instanceId: string;
+    currentStatus: string;
+    currentStepId: string;
+    task: {
+      id: string;
+      stepId: string;
+      stepName: string;
+      assigneeId: string | null;
+      assigneeRole: string | null;
+    } | null;
+  } | null;
+  approvalHistory: Array<{
+    id: string;
+    taskId: string | null;
+    actorId: string;
+    actorName: string | null;
+    actorEmployeeNo: string | null;
+    action: string;
+    comment: string | null;
+    createdAt: string | null;
+  }>;
   createdAt: string | null;
   updatedAt: string | null;
 };

client/src/api/purchaseRequests.ts

@@ -199,6 +199,16 @@ export type PurchaseRequestDetail = PurchaseRequestSummary & {
       assigneeRole: string | null;
     } | null;
   } | null;
+  approvalHistory: Array<{
+    id: string;
+    taskId: string | null;
+    actorId: string;
+    actorName: string | null;
+    actorEmployeeNo: string | null;
+    action: string;
+    comment: string | null;
+    createdAt: string | null;
+  }>;
   archiveOrder: PurchaseOrderArchive | null;
   permissions: {
     canEditDraft: boolean;