after refactor cleanup

DiunaBI.UI.Shared/Services/WebGoogleAuthService.cs

@@ -0,0 +1,30 @@
+using Microsoft.JSInterop;
+
+namespace DiunaBI.UI.Shared.Services;
+
+/// <summary>
+/// Web implementation of Google authentication using JavaScript SDK
+/// </summary>
+public class WebGoogleAuthService : IGoogleAuthService
+{
+    private readonly IJSRuntime _jsRuntime;
+
+    public WebGoogleAuthService(IJSRuntime jsRuntime)
+    {
+        _jsRuntime = jsRuntime;
+    }
+
+    public async Task<bool> SignInAsync()
+    {
+        try
+        {
+            await _jsRuntime.InvokeVoidAsync("requestGoogleSignIn");
+            return true;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"❌ Web Google Sign-In error: {ex.Message}");
+            return false;
+        }
+    }
+}