Refactor code structure for improved readability and maintainability

backend/services/roomService.js

@@ -23,8 +23,21 @@ const createNewRoom = async data => {
     return room;
 };
 
+const deleteRoom = async roomId => {
+    return await Room.findByIdAndDelete(roomId).exec();
+};
+
 Room.watch().on('change', async data => {
-    sendToPlayersData(await getRoom(data.documentKey._id));
+    // Ignore delete operations
+    if (data.operationType === 'delete') {
+        console.log('🗑️ Room deleted, skipping sendToPlayersData');
+        return;
+    }
+    
+    const room = await getRoom(data.documentKey._id);
+    if (room) {
+        sendToPlayersData(room);
+    }
 });
 
-module.exports = { getRoom, getRooms, updateRoom, getJoinableRoom, createNewRoom };
+module.exports = { getRoom, getRooms, updateRoom, getJoinableRoom, createNewRoom, deleteRoom };