Port the Mistral open weights and the GLM family

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

@@ -0,0 +1,37 @@
+using static AIStudio.Provider.Capability;
+
+namespace AIStudio.Models.Mistral;
+
+/// <summary>
+/// The Mistral models which carry no further family name: Mistral 7B, Mistral 3, and their kin.
+/// </summary>
+/// <remarks>
+/// The open weights are where these live. Mistral's own API sells the named ranges -- Small,
+/// Medium, Large -- while the plain checkpoints are the ones people run themselves, which is why
+/// nothing here is dated: those names carry a size and a quantization instead of a release.
+///
+/// A substring, and it has to be one: this is the fallback of the whole range, and every family
+/// with a name of its own beats it by saying more. What it must not do is claim Ministral or
+/// Magistral, and it does not -- neither of those two names contains "mistral".
+/// </remarks>
+public sealed class MistralFamily : ModelFamily
+{
+    /// <inheritdoc />
+    public override ModelVendor Vendor => ModelVendor.MISTRAL_AI;
+
+    /// <inheritdoc />
+    public override ModelSource Source => new("https://docs.mistral.ai/getting-started/models/weights/", new DateOnly(2026, 9, 11), "Ported unchanged from the Mistral block of ProviderExtensions.OpenSource.cs: its default answer, and the rule for the 3 line.");
+
+    /// <inheritdoc />
+    protected override void Declare(ModelFamilyBuilder builder)
+    {
+        builder.Rule("mistral").AsSubstring()
+            .Capabilities(TEXT_INPUT | TEXT_OUTPUT | FUNCTION_CALLING)
+            .Apis(CHAT_COMPLETION_API);
+
+        // The 3 line reads images and thinks when it is asked to:
+        builder.Rule("mistral-3").AsSegment().Inherits()
+            .Capabilities(MULTIPLE_IMAGE_INPUT)
+            .Reasoning(ReasoningSupport.OPTIONAL);
+    }
+}

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

@@ -49,7 +49,9 @@ public static class MistralReleases
     /// <remarks>
     /// Mistral serves some models under their marketing version as well, and writes the version
     /// separator both ways: mistral-medium-3.5 and mistral-medium-3-5 are the same model. Those
-    /// names carry no release date, so they are mapped onto the release they stand for.
+    /// names carry no release date, so they are mapped onto the release they stand for. Ollama
+    /// leaves the separator out altogether for the Small checkpoints, which is a third spelling of
+    /// the same statement.
     ///
     /// The order matters, and it is the one place in this rebuild where it still does: these are
     /// read as plain text rather than as patterns, so "mistral-medium-3" would answer for
@@ -71,6 +73,11 @@ public static class MistralReleases
         ("mistral-small-3.1", 2503),
         ("mistral-small-3-1", 2503),
         ("mistral-small-3", 2501),
+
+        ("mistral-small4", 2603),
+        ("mistral-small3.2", 2506),
+        ("mistral-small3.1", 2503),
+        ("mistral-small3", 2501),
     ];
 
     /// <summary>

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

@@ -5,6 +5,12 @@ namespace AIStudio.Models.Mistral;
 /// <summary>
 /// Mistral Small, which gained images with 3.1 and reasoning with 4.
 /// </summary>
+/// <remarks>
+/// The one family of the range whose name arrives glued to its version: Ollama publishes the open
+/// weights as "mistral-small3.1" and "mistral-small3.2", without the separator Mistral's own API
+/// writes. A substring covers both spellings, and it stays specific enough that nothing else in the
+/// range can be mistaken for it.
+/// </remarks>
 public sealed class MistralSmallFamily : MistralReleaseDatedFamily
 {
     /// <inheritdoc />
@@ -21,7 +27,7 @@ public sealed class MistralSmallFamily : MistralReleaseDatedFamily
 
     /// <inheritdoc />
     protected override void Declare(ModelFamilyBuilder builder) =>
-        builder.Rule("mistral-small").AsSegment()
+        builder.Rule("mistral-small").AsSubstring()
             .Capabilities(WHAT_THEY_COULD_ALWAYS_DO)
             .Apis(CHAT_COMPLETION_API);
 }