Added confirmed work states to the BeyondFacts Lab (#1182)

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflWorkStateStatus.cs

@@ -0,0 +1,28 @@
+namespace AIStudio.Assistants.BeyondFactsLab;
+
+/// <summary>
+/// Where the work state of a step stands, see BflStaleness.
+/// </summary>
+public enum BflWorkStateStatus
+{
+    /// <summary>
+    /// The person has not confirmed a work state for the step.
+    /// </summary>
+    NOT_CONFIRMED,
+
+    /// <summary>
+    /// The person confirmed the work state, and nothing it builds on changed since.
+    /// </summary>
+    CONFIRMED,
+
+    /// <summary>
+    /// The person changed their details in the form of the step since they confirmed the work state.
+    /// </summary>
+    DETAILS_CHANGED,
+
+    /// <summary>
+    /// The work state of an earlier step changed since the person confirmed this one: it was confirmed for the first
+    /// time, confirmed anew, or withdrawn.
+    /// </summary>
+    OUTDATED,
+}