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/Web/WebPageRetrievalOptions.cs

@@ -0,0 +1,34 @@
+using AIStudio.Provider;
+
+namespace AIStudio.Tools.Web;
+
+public sealed class WebPageRetrievalOptions
+{
+    public required int TimeoutSeconds { get; init; }
+
+    /// <summary>
+    /// Whether the user named this exact URL, as opposed to a model asking for it.
+    /// </summary>
+    /// <remarks>
+    /// Lifts the restrictions on which targets may be reached — private networks, loopback, and
+    /// hosts named localhost — because those exist to keep a model from reaching into the user's
+    /// network, and the user is not a model. The network-level protections stay: the connection
+    /// is still bound to validated addresses, redirects are still checked, the response size is
+    /// still capped, and only HTML is still accepted.<br/><br/>
+    /// Never set this for a URL that reached AI Studio through a model, however plausible it
+    /// looks.
+    /// </remarks>
+    public bool TargetChosenByUser { get; init; }
+
+    public bool PublicTargetsOnly { get; init; }
+
+    public ConfidenceLevel ProviderConfidence { get; init; } = ConfidenceLevel.NONE;
+
+    public bool ProviderIsTrustedByConfiguration { get; init; }
+
+    public bool UseOsSso { get; init; }
+
+    public Func<string, bool>? IsPrivateHostAllowed { get; init; }
+
+    public Func<Uri, ConfidenceLevel, Task>? OnPrivateHostProviderBlockAsync { get; init; }
+}