R55 A1-A6：报销统计仪表盘与批量审批

client/src/api/reimbursements.ts

@@ -53,6 +53,17 @@ export type ReimbursementListItem = {
     projectNo: string;
     name: string;
   } | null;
+  pendingWorkflow: {
+    instanceId: string;
+    stepId: string;
+    allowedActions: Array<"approve" | "reject" | "return" | "transfer">;
+    task: {
+      id: string;
+      stepName: string;
+      assigneeId: string | null;
+      assigneeRole: string | null;
+    } | null;
+  } | null;
   createdAt: string | null;
   updatedAt: string | null;
 };
@@ -147,6 +158,49 @@ export type ReimbursementListQuery = {
   scope?: "own" | "all";
 };
 
+export type ReimbursementStatsQuery = {
+  dateFrom?: string;
+  dateTo?: string;
+  departmentId?: string;
+};
+
+export type ReimbursementStatsGranularity = "month" | "week";
+
+export type ReimbursementStatsSummary = {
+  totalCount: number;
+  totalAmount: string;
+  byStatus: Record<
+    ReimbursementStatus,
+    {
+      count: number;
+      totalAmount: string;
+    }
+  >;
+  avgProcessingDays: number | null;
+};
+
+export type ReimbursementStatsTrendItem = {
+  period: string | null;
+  count: number;
+  amount: string;
+  paidCount: number;
+  paidAmount: string;
+};
+
+export type ReimbursementTopExpenseTypeItem = {
+  expenseTypeId: string;
+  expenseTypeName: string;
+  count: number;
+  totalAmount: string;
+};
+
+export type ReimbursementApprovalBottleneckItem = {
+  assigneeId: string | null;
+  assigneeName: string;
+  pendingCount: number;
+  oldestPendingDays: number;
+};
+
 export type ReimbursementPayPayload = {
   paymentVoucherNo?: string;
   paymentDate?: string;
@@ -214,6 +268,34 @@ export async function fetchReimbursements(query: ReimbursementListQuery = {}) {
   );
 }
 
+export async function fetchReimbursementStatsSummary(query: ReimbursementStatsQuery = {}) {
+  return apiRequestData<ReimbursementStatsSummary>(
+    `/api/reimbursements/stats/summary${toQueryString(query as Record<string, string | number | undefined>)}`,
+  );
+}
+
+export async function fetchReimbursementStatsTrend(
+  query: ReimbursementStatsQuery & { granularity?: ReimbursementStatsGranularity } = {},
+) {
+  return apiRequestData<{ items: ReimbursementStatsTrendItem[] }>(
+    `/api/reimbursements/stats/trend${toQueryString(query as Record<string, string | number | undefined>)}`,
+  );
+}
+
+export async function fetchReimbursementTopExpenseTypes(
+  query: ReimbursementStatsQuery & { limit?: number } = {},
+) {
+  return apiRequestData<{ items: ReimbursementTopExpenseTypeItem[] }>(
+    `/api/reimbursements/stats/top-expense-types${toQueryString(query as Record<string, string | number | undefined>)}`,
+  );
+}
+
+export async function fetchReimbursementApprovalBottleneck(query: ReimbursementStatsQuery = {}) {
+  return apiRequestData<{ items: ReimbursementApprovalBottleneckItem[] }>(
+    `/api/reimbursements/stats/approval-bottleneck${toQueryString(query as Record<string, string | number | undefined>)}`,
+  );
+}
+
 export async function fetchReimbursementDetail(reimbursementId: string) {
   return apiRequestData<ReimbursementDetail>(`/api/reimbursements/${reimbursementId}`);
 }

client/src/api/workflow.ts

@@ -201,6 +201,24 @@ export type WorkflowApproverQuery = {
   pageSize?: number;
 };
 
+export type WorkflowBatchActionResult = {
+  taskId: string;
+  outcome: "approved" | "rejected" | "skipped" | "error";
+  reason?: string;
+};
+
+export type WorkflowBatchActionSummary = {
+  approved: number;
+  rejected?: number;
+  skipped: number;
+  errored: number;
+};
+
+export type WorkflowBatchActionResponse = {
+  results: WorkflowBatchActionResult[];
+  summary: WorkflowBatchActionSummary;
+};
+
 function toQueryString(query: Record<string, string | number | undefined>) {
   const params = new URLSearchParams();
   for (const [key, value] of Object.entries(query)) {
@@ -255,3 +273,17 @@ export async function transferWorkflowTask(taskId: string, toApproverId: string,
     body: JSON.stringify({ toApproverId, reason }),
   });
 }
+
+export async function batchApproveWorkflowTasks(payload: { taskIds: string[]; comment?: string }) {
+  return apiRequestData<WorkflowBatchActionResponse>("/api/workflow/batch-approve", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}
+
+export async function batchRejectWorkflowTasks(payload: { taskIds: string[]; comment: string }) {
+  return apiRequestData<WorkflowBatchActionResponse>("/api/workflow/batch-reject", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}