Port the Mistral families, including the release date logic

app/MindWork AI Studio/Models/Mistral/MinistralFamily.cs

@@ -0,0 +1,33 @@
+using static AIStudio.Provider.Capability;
+
+namespace AIStudio.Models.Mistral;
+
+/// <summary>
+/// Ministral, the small ones, which see from the third generation on and never reason.
+/// </summary>
+/// <remarks>
+/// The name is one letter away from the rest of the range and shares no name part with it, which
+/// the previous rules had to say out loud: the Ministral check sat above the Mistral block because
+/// "ministral" does not contain "mistral". Here that is not a question anybody has to ask -- the
+/// rules answer for the name part they were written for and for no other.
+/// </remarks>
+public sealed class MinistralFamily : MistralReleaseDatedFamily
+{
+    /// <inheritdoc />
+    public override ModelSource Source => new("https://docs.mistral.ai/getting-started/models/models_overview/", new DateOnly(2026, 9, 11), "Ported unchanged from the rules in ProviderExtensions.Mistral.cs: images from Ministral 3 on, and no reasoning in any release.");
+
+    /// <inheritdoc />
+    protected override int VisionSince => 2512;
+
+    /// <inheritdoc />
+    protected override int ReasoningSince => MistralReleases.NEVER;
+
+    /// <inheritdoc />
+    protected override int LatestRelease => 2512;
+
+    /// <inheritdoc />
+    protected override void Declare(ModelFamilyBuilder builder) =>
+        builder.Rule("ministral").AsSegment()
+            .Capabilities(WHAT_THEY_COULD_ALWAYS_DO)
+            .Apis(CHAT_COMPLETION_API);
+}