fix: guard against page-navigation race + deprecation warning

- playerInfo refresh() now early-returns if DOM elements are gone
  (happens when navigating away while getPlayers RCON is in flight)
- swiched donutLabelsOutside(false) → labelsOutside(false) to
  silence NVD3 deprecation warning

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

js/pages/playerInfo.js

@@ -40,19 +40,25 @@ function PlayerInfoPage(params, container) {
 
   function refresh() {
     Rcon.getPlayers(function (players) {
+      // Guard against navigation away while waiting for RCON response
+      var nf = document.getElementById('pi-notfound');
+      var fields = document.getElementById('pi-fields');
+      var actions = document.getElementById('pi-actions');
+      if (!nf || !fields || !actions) return;
+
       var info = null;
       for (var i = 0; i < players.length; i++) {
         if (String(players[i].SteamID) === userid) { info = players[i]; break; }
       }
 
       if (!info) {
-        document.getElementById('pi-notfound').style.display = 'block';
-        document.getElementById('pi-fields').innerHTML = '';
-        document.getElementById('pi-actions').style.display = 'none';
+        nf.style.display = 'block';
+        fields.innerHTML = '';
+        actions.style.display = 'none';
         return;
       }
-      document.getElementById('pi-notfound').style.display = 'none';
-      document.getElementById('pi-actions').style.display = 'block';
+      nf.style.display = 'none';
+      actions.style.display = 'block';
 
       // Fix known Rust RCON quirk: VoiationLevel → ViolationLevel
       if (info.VoiationLevel !== undefined) {
@@ -64,7 +70,8 @@ function PlayerInfoPage(params, container) {
       delete info.CurrentLevel;
       delete info.UnspentXp;
 
-      document.getElementById('pi-username').textContent = info.DisplayName || userid;
+      var un = document.getElementById('pi-username');
+      if (un) un.textContent = info.DisplayName || userid;
 
       var fieldsHtml = '';
       for (var key in info) {
@@ -79,7 +86,7 @@ function PlayerInfoPage(params, container) {
           fieldsHtml += '<div class="col-sm-4"><p>' + key + ': <span class="badge">' + value + '</span></p></div>';
         }
       }
-      document.getElementById('pi-fields').innerHTML = fieldsHtml;
+      fields.innerHTML = fieldsHtml;
     });
   }
 

js/pages/serverInfo.js

@@ -93,7 +93,7 @@ function ServerInfoPage(params, container) {
       .y(function (d) { return d.y; })
       .showLabels(true)
       .donut(true)
-      .donutLabelsOutside(false)
+      .labelsOutside(false)
       .duration(500)
       .height(250)
       .color(['#a78bfa', '#7c3aed', '#e879f9', '#2d1f3d'])