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/Components/JsonTreeView.razor.cs

@@ -0,0 +1,73 @@
+using System.Text.Json;
+using System.Text.Json.Nodes;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components;
+
+public partial class JsonTreeView : ComponentBase
+{
+    [Parameter]
+    public JsonNode? Value { get; set; }
+
+    private IReadOnlyCollection<TreeItemData<JsonTreeNode>> items = [];
+
+    protected override void OnParametersSet()
+    {
+        this.items = [CreateTreeItem("$", this.Value)];
+    }
+
+    private static TreeItemData<JsonTreeNode> CreateTreeItem(string label, JsonNode? value)
+    {
+        var children = CreateChildren(value);
+        return new TreeItemData<JsonTreeNode>
+        {
+            Expanded = false,
+            Expandable = children.Count > 0,
+            Value = new JsonTreeNode
+            {
+                Text = $"{label}: {FormatValue(value)}",
+                Icon = GetIcon(value),
+                Expandable = children.Count > 0,
+            },
+            Children = children,
+        };
+    }
+
+    private static List<TreeItemData<JsonTreeNode>> CreateChildren(JsonNode? value) => value switch
+    {
+        JsonObject jsonObject => jsonObject
+            .Select(property => CreateTreeItem(JsonSerializer.Serialize(property.Key), property.Value))
+            .ToList(),
+        JsonArray jsonArray => jsonArray
+            .Select((item, index) => CreateTreeItem($"[{index}]", item))
+            .ToList(),
+        _ => [],
+    };
+
+    private static string FormatValue(JsonNode? value) => value switch
+    {
+        JsonObject jsonObject when jsonObject.Count == 0 => "{}",
+        JsonObject => "{...}",
+        JsonArray jsonArray when jsonArray.Count == 0 => "[]",
+        JsonArray => "[...]",
+        null => "null",
+        _ => value.ToJsonString(),
+    };
+
+    private static string GetIcon(JsonNode? value) => value switch
+    {
+        JsonObject => Icons.Material.Filled.DataObject,
+        JsonArray => Icons.Material.Filled.DataArray,
+        _ => Icons.Material.Filled.Code,
+    };
+
+    private sealed class JsonTreeNode
+    {
+        public string Text { get; init; } = string.Empty;
+
+        public string Icon { get; init; } = string.Empty;
+
+        public bool Expandable { get; init; }
+    }
+}