refactor: enhance player update handling to include label and timestamp for improved tracking

server/server.js

@@ -329,7 +329,10 @@ wss.on('connection', (ws, req) => {
             db.savePlayerPosition(data.playerID, data.position);
             broadcastToClients({
               type: 'player_update',
-              player: { id: data.playerID, ...data.position },
+              playerID: data.playerID,
+              position: data.position,
+              label: data.label || null,
+              timestamp: Date.now(),
             });
           }
         }
@@ -1508,7 +1511,7 @@ app.post('/api/groups/:groupId/command', (req, res) => {
 // Player position endpoints
 app.post('/api/player/update', (req, res) => {
   try {
-    const { playerID, position, timestamp } = req.body;
+    const { playerID, position, timestamp, label } = req.body;
     
     if (!playerID || !position) {
       return res.status(400).json({ error: 'Missing playerID or position' });
@@ -1521,6 +1524,7 @@ app.post('/api/player/update', (req, res) => {
       type: 'player_update',
       playerID,
       position,
+      label: label || null,
       timestamp: timestamp || Date.now()
     });