Added tool calling support (#731)

Co-authored-by: krut_ni <nils.kruthoff@dlr.de>
Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/ToolCallingSystem/Harness/ToolCallingRound.cs

@@ -0,0 +1,10 @@
+namespace AIStudio.Tools.ToolCallingSystem.Harness;
+
+/// <summary>
+/// The outcome of one non-streamed round of a tool calling conversation, in a shape that no
+/// longer depends on the provider API it came from.
+/// </summary>
+/// <param name="TextOutput">The text the model produced, empty when it only requested tool calls.</param>
+/// <param name="Calls">The tool calls the model requested, empty when it answered instead.</param>
+/// <param name="Sources">Sources the provider itself attached, such as those of a provider-native web search.</param>
+public sealed record ToolCallingRound(string TextOutput, IReadOnlyList<ToolCallingRequestedCall> Calls, IReadOnlyList<ISource> Sources);