1 files changed, 19 insertions, 0 deletions
diff --git a/src/Agent.Core/Runtime/IAgentRuntimeObserver.cs b/src/Agent.Core/Runtime/IAgentRuntimeObserver.cs
new file mode 100644
index 0000000..e4e26e3
--- /dev/null
+++ b/src/Agent.Core/Runtime/IAgentRuntimeObserver.cs
@@ -0,0 +1,19 @@
+using Agent.Core.Ollama;
+using Agent.Core.Tools;
+
+namespace Agent.Core.Runtime;
+
+public interface IAgentRuntimeObserver
+{
+    void LlmRequest(Guid taskId, int iteration, IReadOnlyList<OllamaMessage> messages);
+    void LlmResponse(Guid taskId, int iteration, OllamaResult result);
+    void ToolResult(Guid taskId, string toolName, ToolExecutionResult result);
+}
+
+public sealed class NullAgentRuntimeObserver : IAgentRuntimeObserver
+{
+    public static NullAgentRuntimeObserver Instance { get; } = new();
+    public void LlmRequest(Guid taskId, int iteration, IReadOnlyList<OllamaMessage> messages) { }
+    public void LlmResponse(Guid taskId, int iteration, OllamaResult result) { }
+    public void ToolResult(Guid taskId, string toolName, ToolExecutionResult result) { }
+}