[FA-misc] Saga seems to work, fixed a UserNovelDataService bug

FictionArchive.Service.NovelService/Sagas/NovelImportSagaState.cs

@@ -0,0 +1,29 @@
+using MassTransit;
+using NodaTime;
+
+namespace FictionArchive.Service.NovelService.Sagas;
+
+public class NovelImportSagaState : SagaStateMachineInstance
+{
+    public Guid CorrelationId { get; set; }
+    public string CurrentState { get; set; } = null!;
+
+    // Identity
+    public string NovelUrl { get; set; } = null!;
+    public uint? NovelId { get; set; }
+
+    // Chapter tracking
+    public int ExpectedChapters { get; set; }
+    public int CompletedChapters { get; set; }
+
+    // Image tracking
+    public int ExpectedImages { get; set; }
+    public int CompletedImages { get; set; }
+
+    // Timestamps
+    public Instant StartedAt { get; set; }
+    public Instant? CompletedAt { get; set; }
+
+    // Error info
+    public string? ErrorMessage { get; set; }
+}