fix: Rename ResetApp method to HandleReset to avoid name conflict

- Method name 'ResetApp' conflicted with class name
- Caused build error: CS0542
- Renamed to HandleReset to resolve conflict
- Frontend now builds and runs successfully

Author: FiftyEightSoftware

ai_mate_blazor/Pages/ResetApp.razor

@@ -9,7 +9,7 @@
     {
         <p style="margin-bottom: 32px;">This will clear all localStorage data and reset the app to onboarding state.</p>
 
-        <button class="btn" @onclick="ResetApp" style="background: #ff6b6b; color: white; padding: 12px 24px;">
+        <button class="btn" @onclick="HandleReset" style="background: #ff6b6b; color: white; padding: 12px 24px;">
             Reset App & Reload
         </button>
 
@@ -26,7 +26,7 @@
 @code {
     private bool _isReset = false;
 
-    private async Task ResetApp()
+    private async Task HandleReset()
     {
         try
         {