feat(platform-api): enforce request timeout

vehicle-data-platform/apps/api/internal/app/server.go

@@ -35,5 +35,12 @@ func NewServer(cfg config.Config) http.Handler {
 		}
 	}
 	api := platform.NewHandler(platform.NewService(store))
-	return static.Handler(cfg.StaticDir, api)
+	return withRequestTimeout(static.Handler(cfg.StaticDir, api), cfg.RequestTimeout)
+}
+
+func withRequestTimeout(next http.Handler, timeout time.Duration) http.Handler {
+	if timeout <= 0 {
+		return next
+	}
+	return http.TimeoutHandler(next, timeout, `{"error":{"code":"REQUEST_TIMEOUT","message":"请求处理超时"},"traceId":"timeout","timestamp":0}`)
 }