Fix activity log refresh losing scroll position and selection

tests/SpamGuard.Tests/Services/EmailClassifierTests.cs

@@ -8,6 +8,7 @@ using Microsoft.Extensions.Options;
 using SpamGuard.Configuration;
 using SpamGuard.Models;
 using SpamGuard.Services;
+using SpamGuard.State;
 
 public class EmailClassifierTests
 {
@@ -35,7 +36,8 @@ public class EmailClassifierTests
         var classifier = new EmailClassifier(
             Options.Create(DefaultOptions),
             new NullLogger<EmailClassifier>(),
-            new HttpClient()
+            new HttpClient(),
+            new OverrideStore(Path.GetTempPath())
         );
 
         var prompt = classifier.BuildPrompt(SampleEmail);
@@ -54,7 +56,8 @@ public class EmailClassifierTests
         var classifier = new EmailClassifier(
             Options.Create(DefaultOptions),
             new NullLogger<EmailClassifier>(),
-            new HttpClient()
+            new HttpClient(),
+            new OverrideStore(Path.GetTempPath())
         );
 
         var prompt = classifier.BuildPrompt(email);