feat: 初始提交

src/api/department/index.ts

@@ -0,0 +1,13 @@
+import webClient from "@/service/web-client"
+import type { TreeNode } from "@/types/tree"
+import type { Department } from "@/types/entity"
+
+export async function fetchDepartmentTree(): Promise<TreeNode<Department>> {
+  const { data } = await webClient.get<TreeNode<Department>>("/departments/tree")
+  return data
+}
+
+export async function fetchDepartments(): Promise<Department[]> {
+  const { data } = await webClient.get<Department[]>("/departments")
+  return data
+}