Added sharing a BeyondFacts Lab session with the research team (#1196)

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

@@ -0,0 +1,9 @@
+namespace AIStudio.Assistants.BeyondFactsLab;
+
+/// <summary>
+/// What the anonymizer of the BeyondFacts Lab replaced in a text, and how often.
+/// </summary>
+/// <param name="Placeholder">The placeholder which stands in the text now, e.g., "[Person 1]".</param>
+/// <param name="Original">What stood there before, as it was written.</param>
+/// <param name="Count">How often it was replaced.</param>
+public sealed record BflReplacement(string Placeholder, string Original, int Count);