Fixed GPT-6 Sol and Luna, and the system prompt role of newer OpenAI models (#1010)

app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs

@@ -63,38 +63,16 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
         if(!requestedSecret.Success)
             yield break;
         
-        // Unfortunately, OpenAI changed the name of the system prompt based on the model.
-        // All models that start with "o" (the omni aka reasoning models), all GPT4o models,
-        // and all newer models have the system prompt named "developer". All other models
-        // have the system prompt named "system". We need to check this to get the correct
-        // system prompt.
-        //
-        // To complicate it even more: The early versions of reasoning models, which are released
-        // before the 17th of December 2024, have no system prompt at all. We need to check this
-        // as well.
-        
-        // Apply the basic rule first:
-        var systemPromptRole =
-            chatModel.Id.StartsWith('o') ||
-            chatModel.Id.StartsWith("gpt-5", StringComparison.Ordinal) ||
-            chatModel.Id.Contains("4o") ? "developer" : "system";
-        
-        // Check if the model is an early version of the reasoning models:
-        systemPromptRole = chatModel.Id switch
-        {
-            "o1-mini" => "user",
-            "o1-mini-2024-09-12" => "user",
-            "o1-preview" => "user",
-            "o1-preview-2024-09-12" => "user",
-            
-            _ => systemPromptRole,
-        };
-
         // Read the model capabilities. Through the settings provider, so that the user's expert
         // capability overrides apply:
         var providerSettings = this.CreateSettingsProvider(chatModel);
         var modelProfile = providerSettings.GetModelProfile();
-        
+
+        // OpenAI changed the role of the system prompt from one generation to the next, and the
+        // early reasoning models take no system prompt at all. Which role a model takes is stated
+        // by the OpenAI families in Models/OpenAI:
+        var systemPromptRole = modelProfile.SystemPromptRole.ToOpenAIRole();
+
         // Check if we are using the Responses API or the Chat Completion API:
         var usingResponsesAPI = modelProfile.Has(Capability.RESPONSES_API);