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/ToolCallingRequestedCall.cs

@@ -0,0 +1,17 @@
+namespace AIStudio.Tools.ToolCallingSystem.Harness;
+
+/// <summary>
+/// One tool call a model requested.
+/// </summary>
+/// <remarks>
+/// Invalid calls are carried through rather than dropped: the model has to learn that its call
+/// was rejected, otherwise it waits for a result that never arrives.
+/// </remarks>
+/// <param name="CallId">
+/// The ID correlating this call with its result. Empty when the provider did not supply one and
+/// the adapter cannot invent one, which makes the call unanswerable.
+/// </param>
+/// <param name="ToolName">The name of the tool the model asked for.</param>
+/// <param name="ArgumentsJson">The arguments as the model wrote them, to be treated as untrusted input.</param>
+/// <param name="IsValid">Whether name and arguments are usable at all.</param>
+public sealed record ToolCallingRequestedCall(string CallId, string ToolName, string ArgumentsJson, bool IsValid);