Read model capabilities from the profile everywhere

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

@@ -92,10 +92,10 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
         // Read the model capabilities. Through the settings provider, so that the user's expert
         // capability overrides apply:
         var providerSettings = this.CreateSettingsProvider(chatModel);
-        var modelCapabilities = providerSettings.GetModelCapabilities();
+        var modelProfile = providerSettings.GetModelProfile();
         
         // Check if we are using the Responses API or the Chat Completion API:
-        var usingResponsesAPI = modelCapabilities.Contains(Capability.RESPONSES_API);
+        var usingResponsesAPI = modelProfile.Has(Capability.RESPONSES_API);
         
         // Prepare the request path based on the API we are using:
         var requestPath = usingResponsesAPI ? "responses" : "chat/completions";
@@ -115,7 +115,7 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
         var minimumWebSearchConfidence = toolRegistry?.GetMinimumProviderConfidence(ToolSelectionRules.WEB_SEARCH_TOOL_ID) ?? ConfidenceLevel.NONE;
         var isWebSearchAllowed = settingsManager.IsToolActive(ToolSelectionRules.WEB_SEARCH_TOOL_ID) &&
                                  ToolSelectionRules.IsProviderConfidenceAllowed(providerConfidence, minimumWebSearchConfidence);
-        IList<object> providerTools = modelCapabilities.Contains(Capability.WEB_SEARCH) && isWebSearchAllowed
+        IList<object> providerTools = modelProfile.Has(Capability.WEB_SEARCH) && isWebSearchAllowed
             ? [ ProviderTools.WEB_SEARCH ]
             : [];
         
@@ -133,8 +133,7 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
                                async (systemPrompt, apiParameters, tools) =>
                                {
                                    var messages = await chatThread.Blocks.BuildMessagesAsync(
-                                       this.Provider,
-                                       chatModel,
+                                       providerSettings,
                                        role => role switch
                                        {
                                            ChatRole.USER => "user",
@@ -198,7 +197,7 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
 
         // Build the list of messages:
         var messages = await chatThread.Blocks.BuildMessagesAsync(
-            this.Provider, chatModel,
+            providerSettings,
             role => role switch
             {
                 ChatRole.USER => "user",