Allow assistants to run in the background (#828)

app/MindWork AI Studio/Tools/AssistantSessions/AssistantSessionStatus.cs

@@ -0,0 +1,37 @@
+namespace AIStudio.Tools.AssistantSessions;
+
+/// <summary>
+/// Describes the lifecycle state of an assistant session.
+/// </summary>
+public enum AssistantSessionStatus
+{
+    /// <summary>
+    /// No session state is available.
+    /// </summary>
+    NONE,
+
+    /// <summary>
+    /// The assistant session is running.
+    /// </summary>
+    RUNNING,
+
+    /// <summary>
+    /// Cancellation was requested and the assistant is shutting down.
+    /// </summary>
+    CANCELING,
+
+    /// <summary>
+    /// The assistant session completed successfully.
+    /// </summary>
+    COMPLETED,
+
+    /// <summary>
+    /// The assistant session was canceled.
+    /// </summary>
+    CANCELED,
+
+    /// <summary>
+    /// The assistant session failed.
+    /// </summary>
+    FAILED,
+}