Add one model host per provider and the unwrapping walk

app/MindWork AI Studio/Models/Hosting/Hosts/HostMistral.cs

@@ -0,0 +1,20 @@
+using AIStudio.Provider;
+
+namespace AIStudio.Models.Hosting.Hosts;
+
+/// <summary>
+/// Mistral's own platform, which by now also serves models Mistral did not build.
+/// </summary>
+/// <remarks>
+/// It names those under their plain names rather than prefixing them, so there is nothing to
+/// unwrap here. Which model it is remains a question for the rules; what this host settles is that
+/// whatever answers, it answers through Mistral's own API.
+/// </remarks>
+public sealed class HostMistral : ModelHost
+{
+    /// <inheritdoc />
+    public override LLMProviders Provider => LLMProviders.MISTRAL;
+
+    /// <inheritdoc />
+    public override ModelSource Source => new("https://docs.mistral.ai/api/", new DateOnly(2026, 9, 11), "Models are named plainly, its own and the open weights it hosts alike.");
+}