feat: 羚牛 BI 报表服务初始版本

- Hono + TypeScript 后端，连接 MySQL 数据库
- React + Vite + Tailwind 前端
- 车辆资产实时汇总（按车型/品牌型号分组）
- 本周交车/还车/替换统计（关联业务单据）
- 车牌号详情弹窗
- Dockerfile + Woodpecker CI 流水线

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/api.ts

@@ -0,0 +1,49 @@
+import type {
+  SummaryData,
+  TypeSummary,
+  VehicleListItem,
+} from './types';
+
+const BASE = '/api/vehicles';
+
+async function fetchJson<T>(url: string): Promise<T> {
+  const res = await fetch(url);
+  if (!res.ok) throw new Error(`API error: ${res.status} ${res.statusText}`);
+  return res.json();
+}
+
+export async function fetchSummary(): Promise<SummaryData> {
+  return fetchJson<SummaryData>(`${BASE}/summary`);
+}
+
+export async function fetchByType(): Promise<TypeSummary[]> {
+  return fetchJson<TypeSummary[]>(`${BASE}/by-type`);
+}
+
+export async function fetchVehicleList(params: {
+  batch?: string;
+  model?: string;
+  location?: string;
+  status?: string;
+  category?: string;
+}): Promise<VehicleListItem[]> {
+  const query = new URLSearchParams();
+  if (params.batch) query.set('batch', params.batch);
+  if (params.model) query.set('model', params.model);
+  if (params.location) query.set('location', params.location);
+  if (params.status) query.set('status', params.status);
+  if (params.category) query.set('category', params.category);
+  return fetchJson<VehicleListItem[]>(`${BASE}/list?${query.toString()}`);
+}
+
+export interface WeeklyDetailItem {
+  truck_id: number;
+  plate_number: string;
+  handover_date: string | null;
+  contract_type: string | null;
+  customer_name: string | null;
+}
+
+export async function fetchWeeklyDetail(type: string): Promise<WeeklyDetailItem[]> {
+  return fetchJson<WeeklyDetailItem[]>(`${BASE}/weekly-detail?type=${type}`);
+}