feat: Add game activity status (Experimental)

server/src/websocket/index.ts

@@ -13,6 +13,8 @@ import {
 } from './broadcast';
 import { handleWebSocketMessage } from './handler';
 
+type IncomingWebSocketMessage = Parameters<typeof handleWebSocketMessage>[1];
+
 /** How often to ping all connected clients (ms). */
 const PING_INTERVAL_MS = 30_000;
 /** Maximum time a client can go without a pong before we consider it dead (ms). */
@@ -89,12 +91,20 @@ export function setupWebSocket(server: Server<typeof IncomingMessage, typeof Ser
     });
 
     ws.on('message', async (data) => {
-      try {
-        const message = JSON.parse(data.toString());
+      let message: IncomingWebSocketMessage;
 
-        await handleWebSocketMessage(connectionId, message);
+      try {
+        message = JSON.parse(data.toString()) as IncomingWebSocketMessage;
       } catch (err) {
         console.error('Invalid WebSocket message:', err);
+
+        return;
+      }
+
+      try {
+        await handleWebSocketMessage(connectionId, message);
+      } catch (err) {
+        console.error('WebSocket message handler failed:', err);
       }
     });