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/ToolSettingsValueParser.cs

@@ -0,0 +1,54 @@
+namespace AIStudio.Tools.ToolCallingSystem;
+
+internal static class ToolSettingsValueParser
+{
+    public static int? ReadOptionalPositiveInt(IReadOnlyDictionary<string, string> settingsValues, string key)
+    {
+        if (!settingsValues.TryGetValue(key, out var value) || string.IsNullOrWhiteSpace(value))
+            return null;
+
+        return int.TryParse(value, out var parsedValue) && parsedValue > 0 ? parsedValue : null;
+    }
+
+    public static bool TryReadOptionalPositiveInt(
+        IReadOnlyDictionary<string, string> settingsValues,
+        string key,
+        string invalidValueErrorFormat,
+        out int? value,
+        out string error)
+    {
+        value = null;
+        error = string.Empty;
+
+        if (!settingsValues.TryGetValue(key, out var rawValue) || string.IsNullOrWhiteSpace(rawValue))
+            return true;
+
+        if (int.TryParse(rawValue, out var parsedValue) && parsedValue > 0)
+        {
+            value = parsedValue;
+            return true;
+        }
+
+        error = string.Format(invalidValueErrorFormat, key);
+        return false;
+    }
+
+    public static bool TryReadBoundedOptionalPositiveInt(
+        IReadOnlyDictionary<string, string> settingsValues,
+        string key,
+        int maximum,
+        string invalidValueErrorFormat,
+        string maximumErrorFormat,
+        out int? value,
+        out string error)
+    {
+        if (!TryReadOptionalPositiveInt(settingsValues, key, invalidValueErrorFormat, out value, out error))
+            return false;
+
+        if (value is null || value <= maximum)
+            return true;
+
+        error = string.Format(maximumErrorFormat, key, maximum);
+        return false;
+    }
+}