feat(api): 新增客户端添加功能并优化路由加载

- 新增客户端添加 API，实现客户端信息的添加和处理
- 重构路由加载函数，支持递归加载子目录中的路由文件
- 添加日志记录，便于调试和监控
- 优化 HTTP 请求处理，增加错误处理和状态码检查

app.js

@@ -12,20 +12,46 @@ app.use(bodyParser()); // 添加在路由中间件之前
 const router = new Router();
 
 // 自动加载API路由函数
-const loadAPIRoutes = () => {
-  const apiDir = path.join(__dirname, "api");
-  const files = fs.readdirSync(apiDir);
+const loadAPIRoutes = (baseDir = 'api', baseRoute = '/api') => {
+  const scanDirectory = (dir, routePrefix) => {
+    const entries = fs.readdirSync(dir, { withFileTypes: true });
 
-  files.forEach((file) => {
-    if (file.endsWith(".js") && file !== "index.js") {
-      const routePath = `/api/${file.replace(".js", "")}`;
-      const handler = require(path.join(apiDir, file));
+    entries.forEach(entry => {
+      const fullPath = path.join(dir, entry.name);
+      const relativePath = path.relative(baseDir, dir);
+      
+      // 构建路由路径：工程目录结构 -> URL路径
+      const routePath = path.join(
+        routePrefix,
+        relativePath,
+        entry.name.replace(/\.js$/, '')
+      ).replace(/\\/g, '/'); // Windows路径转URL路径
 
-      router.post(routePath, async (ctx) => {
-        await handler(ctx);
-      });
+      if (entry.isDirectory()) {
+        scanDirectory(fullPath, routePrefix); // 递归扫描子目录
+      } else if (
+        entry.isFile() && 
+        path.extname(entry.name) === '.js' &&
+        entry.name !== 'index.js'
+      ) {
+        registerRoute(fullPath, routePath);
+      }
+    });
+  };
+
+  // 路由注册器（支持扩展其他HTTP方法）
+  const registerRoute = (filePath, routePath) => {
+    try {
+      const handler = require(filePath);
+      router.post(routePath, async ctx => await handler(ctx));
+      console.log(`[Route] POST ${routePath} -> ${filePath}`);
+    } catch (err) {
+      console.error(`[Error] Failed to load route ${routePath}:`, err);
     }
-  });
+  };
+
+  // 初始化扫描
+  scanDirectory(path.join(__dirname, baseDir), baseRoute);
 };
 
 // 公开路由
@@ -50,7 +76,6 @@ app.use(async (ctx, next) => {
   }
   await next();
 });
-
 // JWT中间件（保护下方所有路由）
 app.use(
   koaJwt({