feat(ui): complete Avalonia UI port with 7 main pages, tool settings & top MenuBar

tests/ClawdDotNet.Core.Tests/Infrastructure/InMemoryAuditRepository.cs

@@ -0,0 +1,40 @@
+using System.Collections.Concurrent;
+using ClawdDotNet.Core.Audit;
+
+namespace ClawdDotNet.Core.Tests.Infrastructure;
+
+/// <summary>
+/// In-Memory-Attrappe des Audit-Logs für Engine-Tests — hält Einträge und Belege in
+/// Listen, damit ein Test prüfen kann, was die Engine stempelt, ohne eine Datei.
+/// </summary>
+internal sealed class InMemoryAuditRepository : IAuditRepository
+{
+    public ConcurrentQueue<AuditEntry> Entries { get; } = new();
+    public ConcurrentQueue<RunReceipt> Receipts { get; } = new();
+
+    public Task AppendAsync(AuditEntry entry, CancellationToken ct)
+    {
+        Entries.Enqueue(entry);
+        return Task.CompletedTask;
+    }
+
+    public Task RecordReceiptAsync(RunReceipt receipt, CancellationToken ct)
+    {
+        Receipts.Enqueue(receipt);
+        return Task.CompletedTask;
+    }
+
+    public Task<IReadOnlyList<AuditEntry>> ListRecentAsync(int limit, CancellationToken ct)
+        => Task.FromResult<IReadOnlyList<AuditEntry>>(Entries.Reverse().Take(limit).ToList());
+
+    public Task<IReadOnlyList<AuditEntry>> ListForRunAsync(string runId, CancellationToken ct)
+        => Task.FromResult<IReadOnlyList<AuditEntry>>(Entries.Where(e => e.RunId == runId).ToList());
+
+    public Task<RunReceipt?> GetReceiptForRunAsync(string runId, CancellationToken ct)
+        => Task.FromResult(Receipts.LastOrDefault(r => r.RunId == runId));
+
+    public Task<IReadOnlyList<RunReceipt>> ListReceiptsForTaskAsync(string taskId, CancellationToken ct)
+        => Task.FromResult<IReadOnlyList<RunReceipt>>(Receipts.Where(r => r.TaskId == taskId).ToList());
+
+    public Task<int> CountAsync(CancellationToken ct) => Task.FromResult(Entries.Count);
+}