feat: 建立前端 TS 类型系统与 API 请求服务层

frontend/src/services/dashboardApi.ts

@@ -0,0 +1,17 @@
+import api from "./api";
+
+export interface DashboardStats {
+  products_total: number;
+  products_pending: number;
+  products_in_progress: number;
+  products_completed: number;
+  tasks_total: number;
+  tasks_pending: number;
+  tasks_in_progress: number;
+  tasks_completed: number;
+}
+
+export async function fetchDashboardStats(): Promise<DashboardStats> {
+  const { data } = await api.get<DashboardStats>("/dashboard/stats");
+  return data;
+}

frontend/src/services/orderApi.ts

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+import api from "./api";
+
+export interface OrderOption {
+  id: string;
+  order_no: string;
+}
+
+/** 获取订单列表（供下拉选择） */
+export async function listOrders(): Promise<OrderOption[]> {
+  const { data } = await api.get<OrderOption[]>("/orders/");
+  return data;
+}

frontend/src/services/productApi.ts

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+import api from "./api";
+import type { ProductScanResponse } from "../types/api";
+
+/** 扫码查询 — 根据 16 位序列号查产品 + 顶层任务 */
+export async function scanProduct(serialNumber: string): Promise<ProductScanResponse> {
+  const { data } = await api.get<ProductScanResponse>(
+    `/products/scan/${encodeURIComponent(serialNumber)}`
+  );
+  return data;
+}

frontend/src/services/taskApi.ts

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+import api from "./api";
+import type {
+  TaskResponse,
+  TaskCompleteResponse,
+  TaskListResponse,
+} from "../types/api";
+
+// ============================================================
+// 请求体类型
+// ============================================================
+
+export interface SubtaskCreatePayload {
+  task_name: string;
+  assignee_id: string | null;
+  notify_parent_on_complete: boolean;
+}
+
+export interface TaskCompletePayload {
+  operator_id: string | null;
+  next_assignee_id: string | null;
+  next_task_name: string | null;
+  remark: string | null;
+}
+
+// ============================================================
+// API 方法
+// ============================================================
+
+/** 获取任务详情 — 递归包含子任务树 */
+export async function getTask(taskId: string): Promise<TaskResponse> {
+  const { data } = await api.get<TaskResponse>(`/tasks/${taskId}`);
+  return data;
+}
+
+/** 获取任务列表（可按产品筛选） */
+export async function listTasks(productId?: string): Promise<TaskListResponse> {
+  const params = productId ? { product_id: productId } : {};
+  const { data } = await api.get<TaskListResponse>("/tasks/", { params });
+  return data;
+}
+
+/** 创建子任务 */
+export async function createSubtask(
+  parentTaskId: string,
+  payload: SubtaskCreatePayload
+): Promise<TaskResponse> {
+  const { data } = await api.post<TaskResponse>(
+    `/tasks/${parentTaskId}/subtasks`,
+    payload
+  );
+  return data;
+}
+
+/** 完成任务 + 转交 */
+export async function completeTask(
+  taskId: string,
+  payload: TaskCompletePayload
+): Promise<TaskCompleteResponse> {
+  const { data } = await api.post<TaskCompleteResponse>(
+    `/tasks/${taskId}/complete`,
+    payload
+  );
+  return data;
+}