Rebuilt how AI Studio knows what a model can do (#960)

app/MindWork AI Studio/Models/ModelVendor.cs

@@ -0,0 +1,53 @@
+namespace AIStudio.Models;
+
+/// <summary>
+/// Who built a model, as opposed to who serves it.
+/// </summary>
+/// <remarks>
+/// The two are different questions, and mixing them up is what made the old rules delegate between
+/// vendors until they called each other in circles. A provider is where a request goes; a vendor is
+/// whose model answers it. Llama comes from Meta whether it arrives through Groq, Fireworks, or a
+/// local Ollama.
+///
+/// A rule may bind itself to a vendor, which matters where the same name means two different models
+/// depending on who made it. It is also what a gateway declares when it unwraps a name such as
+/// "anthropic/claude-sonnet-4-0".
+///
+/// This list grows with the families being ported. Only vendors whose models the app already has
+/// rules for are named here; adding a member is part of adding the family, not a step of its own.
+/// </remarks>
+public enum ModelVendor
+{
+    /// <summary>
+    /// We do not know who built this model. This is the answer for everything not recognized.
+    /// </summary>
+    UNKNOWN,
+
+    OPEN_AI,
+    ANTHROPIC,
+    GOOGLE,
+    MISTRAL_AI,
+    ALIBABA,
+    DEEP_SEEK,
+    PERPLEXITY,
+    XAI,
+    META,
+    MICROSOFT,
+    NVIDIA,
+    IBM,
+    COHERE,
+    MOONSHOT_AI,
+    TENCENT,
+    Z_AI,
+    MINIMAX,
+    AI2,
+    BYTE_DANCE,
+    TII,
+    INCLUSION_AI,
+    BAIDU,
+    HUGGING_FACE,
+    SERVICE_NOW,
+    SHANGHAI_AI_LAB,
+    SWISS_AI,
+    NOMIC_AI,
+}