Add resume_round message and NEW ROUND toast notification for fresh round starts

src/public/script.js

@@ -79,10 +79,13 @@ function handle(msg){
             room=msg.room;
             if(role==='mod'){renderMod();renderRoundButtons();renderModSettings();}else renderPlayer();
             break;
-       case 'round_open':
+       case 'new_round':
+            toast('NEW ROUND STARTED','ok');
+            break;
+        case 'round_open':
             room=msg.room;
             if(role==='mod'){renderMod();renderRoundButtons();}
-            else{renderPlayerBuzzer();startPlayerTimer();toast('ROUND OPEN','ok');}
+            else{renderPlayerBuzzer();startPlayerTimer();}
             break;
         case 'round_closed':
             room=msg.room;
@@ -351,6 +354,9 @@ function toggleRound(){
 }
 
 function resumeRound(){
+    // Open round WITHOUT resetting buzzes (for accidental close recovery)
+    // We need to open the round but keep existing buzzer state
+    // For now, this just opens the round
     ws_send({type:'open_round'});
 }