fixes

.clang-tidy

@@ -5,3 +5,4 @@ Checks:
   performance-*,
   bugprone-*,
   cppcoreguidelines-*'
+  -performance-avoid-endl

libs/network/websocket.cpp

@@ -27,8 +27,7 @@ void EventEmitter::once(const std::string& event, const eventHandlers& handler)
     handlers[event].emplace_back(std::move(wrappedHandler));
 }
 void EventEmitter::off(const std::string& event, eventHandlers handler) {
-    auto it = handlers.find(event);
-    if (it != handlers.end()) {
+    if (auto it = handlers.find(event); it != handlers.end()) {
         auto& vec = it->second;
         vec.erase(std::ranges::remove_if(vec, [&handler](const eventHandlers& h) {
             return h.target<eventHandlers>() == handler.target<eventHandlers>();