feat(ux): explicit cancel affordance on first-run wizard (F8.1+F8.2)

Splits accept from close: OnClose no longer silently sets
FirstRunCompleted, so the X-button leaves the wizard pending and it
reopens on the next plugin load. A new footer 'Later — keep defaults'
button is the explicit path to dismiss the wizard without picking a
profile; defaults stay active and the choice persists.

Strings are bilingual (EN + DE) with a tooltip explaining the
behaviour. Card height now reserves room for the footer separator.

HellionChat/Resources/HellionStrings.Designer.cs

@@ -114,6 +114,8 @@ internal class HellionStrings
     internal static string Wizard_Profile_FullHistory_GdprWarning => Get(nameof(Wizard_Profile_FullHistory_GdprWarning));
     internal static string Wizard_Profile_FullHistory_Apply => Get(nameof(Wizard_Profile_FullHistory_Apply));
     internal static string Wizard_Reopen_Button => Get(nameof(Wizard_Reopen_Button));
+    internal static string Wizard_Cancel_Label => Get(nameof(Wizard_Cancel_Label));
+    internal static string Wizard_Cancel_Tooltip => Get(nameof(Wizard_Cancel_Tooltip));
 
     internal static string Export_Heading => Get(nameof(Export_Heading));
     internal static string Export_Help => Get(nameof(Export_Help));

HellionChat/Resources/HellionStrings.de.resx

@@ -222,6 +222,12 @@
   <data name="Wizard_Reopen_Button" xml:space="preserve">
     <value>Wizard erneut zeigen</value>
   </data>
+  <data name="Wizard_Cancel_Label" xml:space="preserve">
+    <value>Später — Defaults behalten</value>
+  </data>
+  <data name="Wizard_Cancel_Tooltip" xml:space="preserve">
+    <value>Schließt den Wizard ohne Profil-Auswahl. Die Plugin-Defaults bleiben aktiv und der Wizard erscheint beim nächsten Plugin-Reload erneut.</value>
+  </data>
   <data name="Export_Heading" xml:space="preserve">
     <value>Export (DSGVO Art. 15 — Auskunftsrecht)</value>
   </data>

HellionChat/Resources/HellionStrings.resx

@@ -222,6 +222,12 @@
   <data name="Wizard_Reopen_Button" xml:space="preserve">
     <value>Show wizard again</value>
   </data>
+  <data name="Wizard_Cancel_Label" xml:space="preserve">
+    <value>Later — keep defaults</value>
+  </data>
+  <data name="Wizard_Cancel_Tooltip" xml:space="preserve">
+    <value>Close the wizard without selecting a profile. The plugin defaults stay active and the wizard returns on next plugin load.</value>
+  </data>
   <data name="Export_Heading" xml:space="preserve">
     <value>Export (GDPR Art. 15 — Right of access)</value>
   </data>

HellionChat/Ui/FirstRunWizard.cs

@@ -30,14 +30,10 @@ public sealed class FirstRunWizard : Window
 
     public override void OnClose()
     {
-        // Closing the wizard without picking anything = the user accepts
+        // OnClose fires on explicit X-click and on plugin dispose. We never
-        // whatever defaults are already in place. Mark as complete so we
+        // implicitly accept the defaults here — the explicit "Later" button
-        // don't pester them again on the next launch.
+        // does that. If the user hasn't picked a profile yet, the wizard
-        if (!Plugin.Config.FirstRunCompleted)
+        // reopens on the next plugin load.
-        {
-            Plugin.Config.FirstRunCompleted = true;
-            Plugin.SaveConfig();
-        }
     }
 
     public override void Draw()
@@ -49,7 +45,12 @@ public sealed class FirstRunWizard : Window
 
         var avail = ImGui.GetContentRegionAvail();
         var cardWidth = (avail.X - ImGui.GetStyle().ItemSpacing.X * 2) / 3f;
-        var cardHeight = avail.Y - ImGui.GetTextLineHeightWithSpacing();
+        // Reserve room for the footer separator + cancel button below the cards.
+        var footerReserve =
+            ImGui.GetStyle().ItemSpacing.Y * 3
+            + ImGui.GetTextLineHeight()
+            + ImGui.GetFrameHeightWithSpacing();
+        var cardHeight = avail.Y - footerReserve;
 
         DrawCard(
             "privacy-first",
@@ -87,6 +88,20 @@ public sealed class FirstRunWizard : Window
             HellionStrings.Wizard_Profile_FullHistory_Apply,
             ApplyFullHistory
         );
+
+        ImGui.Spacing();
+        ImGui.Separator();
+        ImGui.Spacing();
+
+        if (ImGui.Button(HellionStrings.Wizard_Cancel_Label))
+        {
+            Plugin.Config.FirstRunCompleted = true;
+            Plugin.SaveConfig();
+            IsOpen = false;
+        }
+
+        if (ImGui.IsItemHovered())
+            ImGuiUtil.Tooltip(HellionStrings.Wizard_Cancel_Tooltip);
     }
 
     private void DrawCard(