feat: 初始化居家上门服务系统完整项目代码

- Spring Boot 后端服务 (hss-home-service)
- delivery-miniapp 配送小程序
- website 官网 (Nuxt)
- docs 架构设计文档
- Docker 容器化部署配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

hss-home-service/delivery-miniapp/common/api.js

@@ -0,0 +1,26 @@
+const BASE_URL = 'http://localhost:18080/api/hss';
+
+function getHeaders() {
+  const token = uni.getStorageSync('token');
+  return {
+    'Authorization': token ? 'Bearer ' + token : '',
+    'X-User-Role': 'STAFF',
+    'Content-Type': 'application/json'
+  };
+}
+
+function generateIdempotencyKey() {
+  return 'idem-' + Date.now() + '-' + Math.random().toString(36).substr(2, 9);
+}
+
+function apiGet(path, params = {}) {
+  return uni.request({ url: BASE_URL + path, method: 'GET', data: params, header: getHeaders() });
+}
+
+function apiPost(path, data = {}) {
+  const headers = getHeaders();
+  headers['Idempotency-Key'] = generateIdempotencyKey();
+  return uni.request({ url: BASE_URL + path, method: 'POST', data, header: headers });
+}
+
+module.exports = { BASE_URL, apiGet, apiPost, generateIdempotencyKey };