diff --git a/nanobot/agent/loop.py b/nanobot/agent/loop.py
index 0a4d09d49..e6811ee65 100644
--- a/nanobot/agent/loop.py
+++ b/nanobot/agent/loop.py
@@ -1270,6 +1270,11 @@ class AgentLoop:
                 )
             ctx.state = next_state
 
+        logger.debug(
+            "[turn {}] Turn completed after {} states",
+            ctx.turn_id,
+            len(ctx.trace),
+        )
         return ctx.outbound
 
     def _assemble_outbound(