feat(P25-2/P25-3/P26-2/P28-1/P24-2/P29-3): 落地内部OA够用版前端入口与运营页面

关联 Issue: P25-2, P25-3, P25-4, P26-2, P26-4, P28-1, P28-2, P28-3, P28-4, P24-2, P29-3

client/src/api/workflowDefinitions.ts

@@ -0,0 +1,45 @@
+import { apiRequestData } from "./http";
+
+export type WorkflowDefinitionEditorModel = {
+  id: string;
+  entityType: "reimbursement" | "leave" | "purchase_request" | "travel_request";
+  name: string;
+  version: number;
+  status: "draft" | "published" | "archived" | "derived_readonly";
+  steps: Array<{
+    id: string;
+    name: string;
+    assigneeRule:
+      | { type: "department_manager" }
+      | { type: "role"; value: string }
+      | { type: "specific_user"; value: string };
+  }>;
+  notes?: string;
+  source: "manual" | "approval_rules_projection";
+  createdAt: string | null;
+  updatedAt: string | null;
+  publishedAt: string | null;
+  archivedAt: string | null;
+};
+
+export async function fetchWorkflowDefinitions() {
+  return apiRequestData<{ items: WorkflowDefinitionEditorModel[] }>("/api/workflow-definitions");
+}
+export async function fetchWorkflowDefinition(id: string) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}`);
+}
+export async function fetchActiveWorkflowDefinition(entityType: WorkflowDefinitionEditorModel["entityType"]) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel | null }>(`/api/workflow-definitions/entity/${entityType}/active`);
+}
+export async function createWorkflowDefinition(payload: { entityType: WorkflowDefinitionEditorModel["entityType"]; name: string; steps: WorkflowDefinitionEditorModel["steps"]; notes?: string }) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>("/api/workflow-definitions", { method: "POST", body: JSON.stringify(payload) });
+}
+export async function updateWorkflowDefinition(id: string, payload: Partial<{ name: string; steps: WorkflowDefinitionEditorModel["steps"]; notes?: string }>) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}`, { method: "PATCH", body: JSON.stringify(payload) });
+}
+export async function publishWorkflowDefinition(id: string) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}/publish`, { method: "POST", body: JSON.stringify({}) });
+}
+export async function archiveWorkflowDefinition(id: string) {
+  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}/archive`, { method: "POST", body: JSON.stringify({}) });
+}