Refactor logging functions in broadcast.js to create logs directory if it doesn't exist. Update setupBroadcast function to pass __dirname for correct path resolution. This enhances log management and ensures logs are stored in the appropriate directory.

server/index.js

@@ -96,7 +96,7 @@ setupSEORoutes(app, __dirname);
 setupRoutes(app, __dirname);
 
 // Socket.IO-Handling
-setupBroadcast(io);
+setupBroadcast(io, __dirname);
 
 // In Production: Serviere auch die gebauten Client-Dateien
 // SPA-Fallback muss nach allen anderen Routen stehen