Reworked the Hugging Face provider (#944)

app/MindWork AI Studio/Settings/ProviderExtensions.cs

@@ -1,4 +1,5 @@
 using AIStudio.Provider;
+using AIStudio.Provider.HuggingFace;
 
 namespace AIStudio.Settings;
 
@@ -53,21 +54,27 @@ public static partial class ProviderExtensions
             LLMProviders.DEEP_SEEK => GetModelCapabilitiesDeepSeek(model),
             LLMProviders.ALIBABA_CLOUD => GetModelCapabilitiesAlibaba(model),
             LLMProviders.PERPLEXITY => GetModelCapabilitiesPerplexity(model),
-            LLMProviders.OPEN_ROUTER => GetModelCapabilitiesOpenRouter(model),
+            LLMProviders.OPEN_ROUTER => GetModelCapabilitiesGateway(model),
             LLMProviders.HETZNER or LLMProviders.IONOS => GetModelCapabilitiesOpenSource(model),
             
             //
             // LiteLLM is a gateway just like OpenRouter, and it names its models the same way:
             // "vendor/model", e.g. "anthropic/claude-opus-5" or "azure/gpt-5.6". So we let the
-            // OpenRouter detection handle it, which resolves the vendor prefix and asks the
+            // gateway detection handle it, which resolves the vendor prefix and asks the
             // provider who really knows the model. Everything it cannot place is treated as
             // an open source model, which is the right fallback for a freely named alias:
             //
-            LLMProviders.LITE_LLM => GetModelCapabilitiesOpenRouter(model),
+            LLMProviders.LITE_LLM => GetModelCapabilitiesGateway(model),
 
-            LLMProviders.GROQ => GetModelCapabilitiesOpenSource(model),
-            LLMProviders.FIREWORKS => GetModelCapabilitiesOpenSource(model),
-            LLMProviders.HUGGINGFACE => GetModelCapabilitiesOpenSource(model),
+            LLMProviders.GROQ or LLMProviders.FIREWORKS => GetModelCapabilitiesOpenSource(model),
+
+            //
+            // Hugging Face names its models the way the hub does, "org/model", which is the same
+            // shape the other gateways use. So we let the gateway detection resolve the organization
+            // and ask the provider implementation which really knows the model. The routing suffix
+            // has to go first: it says which inference provider answers, not what the model is.
+            //
+            LLMProviders.HUGGINGFACE => GetModelCapabilitiesGateway(model.WithoutRoutingSuffix()),
         
             LLMProviders.HELMHOLTZ => GetModelCapabilitiesOpenSource(model),
             LLMProviders.GWDG => GetModelCapabilitiesOpenSource(model),