fix: clean up pop-out window when auto-tell tab is LRU-dropped

ChatTwo/AutoTellTabsService.cs

@@ -183,6 +183,22 @@ internal sealed class AutoTellTabsService : IDisposable
             return;
         }
 
+        // v0.6.1 — if the victim is currently popped out, tear down the
+        // matching Popout window first. Otherwise the window stays in
+        // PopOutWindows + WindowSystem and renders empty / re-spawns on the
+        // next AddPopOutsToDraw tick. Latent since pop-outs were introduced;
+        // becomes visible with AutoTellTabsOpenAsPopout where dropping a
+        // popped tab is now a routine code path.
+        if (victim.Tab.PopOut)
+        {
+            var popout = _plugin.ChatLogWindow.ActivePopouts
+                .FirstOrDefault(p => p.TabIdentifier == victim.Tab.Identifier);
+            if (popout != null)
+            {
+                popout.IsOpen = false;
+            }
+        }
+
         Plugin.Config.Tabs.RemoveAt(victim.Index);
 
         // Re-anchor the active tab so the user does not silently end up on

ChatTwo/Ui/Popout.cs

@@ -22,6 +22,11 @@ internal class Popout : Window
     public ChatInputBar? InputBar { get; private set; }
     public bool HasFocusedInputBar => InputBar?.IsFocused ?? false;
 
+    // Hellion Chat — v0.6.1 expose just the tab identifier (not the whole Tab
+    // reference) so AutoTellTabsService.DropOldestTempTab can locate the
+    // matching pop-out window when an LRU temp tab gets evicted.
+    internal Guid TabIdentifier => Tab.Identifier;
+
     public Popout(ChatLogWindow chatLogWindow, Tab tab, int idx) : base($"{tab.Name}##popout")
     {
         ChatLogWindow = chatLogWindow;