Add per-answer thinking disclosure

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

@@ -57,6 +57,7 @@ public sealed class ResponsesToolCallingAdapter(Model chatModel, IList<object> b
         this.lastResponse = response;
         return new ToolCallingRound(
             response.GetTextOutput(),
+            response.GetThinkingOutput(),
             response.GetFunctionCalls()
                 .Select(call => new ToolCallingRequestedCall(
                     call.CallId ?? string.Empty,
@@ -102,4 +103,4 @@ public sealed class ResponsesToolCallingAdapter(Model chatModel, IList<object> b
             .Concat(runnableTools.Select(x => (object)ProviderToolAdapters.ToResponsesTool(x.Definition)))
             .ToList();
     }
-}
+}