Bundle from worker to grain

src/Managing.Application.Abstractions/Grains/IBundleBacktestGrain.cs

@@ -0,0 +1,19 @@
+using Orleans;
+
+namespace Managing.Application.Abstractions.Grains;
+
+/// <summary>
+/// Orleans grain interface for Bundle Backtest operations.
+/// This is a stateless worker grain that processes bundle backtest requests.
+/// Uses the bundle request ID as the primary key (Guid).
+/// The grain processes a single bundle request identified by its primary key.
+/// </summary>
+public interface IBundleBacktestGrain : IGrainWithGuidKey
+{
+    /// <summary>
+    /// Processes the bundle backtest request for this grain's RequestId
+    /// The RequestId is determined by the grain's primary key
+    /// </summary>
+    /// <returns>Task representing the async operation</returns>
+    Task ProcessBundleRequestAsync();
+}