add presentation mode enhancements: refine visuals, integrate HTML-based interface for presentation mode, align assets display and player states, and handle real-time JS callbacks

cmd/client/main.go

@@ -300,6 +300,9 @@ func (g *Game) Update() error {
 			// Generate QR Code URL
 			joinURL := "https://escape-from-school.de/?room=" + g.roomID
 			g.presQRCode = generateQRCode(joinURL)
+
+			// WASM: Notify JS
+			g.notifyPresentationStarted_Platform(g.roomID)
 		}
 	}
 
@@ -361,9 +364,11 @@ func (g *Game) Update() error {
 		g.updateLeaderboard()
 	case StatePresentation:
 		g.updatePresentation()
+		g.updatePresentationState_Platform()
 	}
+
 	return nil
-}
+	}
 
 func (g *Game) updateMenu() {
 	g.handleMenuInput()