fix: IDisposable contract + zh-Hans webinterface translation

- Ui/Debugger.cs DebuggerWindow now declares IDisposable so the
  existing Dispose() method participates in disposal patterns
  (using-blocks, container cleanup). Previously the method existed
  but the type didn't advertise it, so callers had no way to invoke
  it correctly and the command-handler subscription leaked
- Resources/Language.zh-Hans.resx Webinterface_Start_Success
  contained "网页界面已停止。" (web interface stopped) for what is
  semantically the start-success message; corrected to
  "网页界面已启动。" (web interface started). String is unused in
  the Hellion fork (webinterface removed) but remains in the
  resource bundle for upstream compatibility

HellionChat/Resources/Language.zh-Hans.resx

@@ -1364,7 +1364,7 @@
         <value>启动</value>
     </data>
   <data name="Webinterface_Start_Success" xml:space="preserve">
-        <value>网页界面已停止。</value>
+        <value>网页界面已启动。</value>
     </data>
   <data name="Webinterface_Start_Failed" xml:space="preserve">
         <value>网页界面启动失败。检查 /xllog 获取更多信息。</value>

HellionChat/Ui/Debugger.cs

@@ -9,7 +9,7 @@ using Lumina.Text.ReadOnly;
 
 namespace HellionChat.Ui;
 
-public class DebuggerWindow : Window
+public class DebuggerWindow : Window, IDisposable
 {
     private readonly Plugin Plugin;
     private readonly ChatLogWindow ChatLogWindow;