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/CodeToolDefinitionSource.cs

@@ -0,0 +1,19 @@
+namespace AIStudio.Tools.ToolCallingSystem;
+
+/// <summary>
+/// Supplies the definitions of the tools written in C#.
+/// </summary>
+/// <remarks>
+/// For a tool implemented in the app itself, the definition and the implementation are one
+/// object: the implementation states what it is. That removes the string key that used to join a
+/// definition file to its class, and with it the failure where a typo in that key made the tool
+/// disappear with nothing but a warning in the log.
+/// </remarks>
+public sealed class CodeToolDefinitionSource(IEnumerable<IToolImplementation> implementations) : IToolDefinitionSource
+{
+    /// <inheritdoc />
+    public string SourceName => "code";
+
+    /// <inheritdoc />
+    public IEnumerable<ToolDefinition> GetDefinitions() => implementations.Select(implementation => implementation.GetDefinition());
+}