update

docs/agent_loop_sequence_diagram.md

@@ -225,15 +225,14 @@ sequenceDiagram
             end
             
             alt Pending messages exist
-                continue loop
+                loop Main Agent Loop
-            end
+                    Note over AgentLoop: Continue loop
-            
+                end
-            Note over AgentLoop: 9. Get Follow-up Messages
+            else Follow-up messages exist
-            AgentLoop->>AgentLoop: drain(follow_up_queue)
-            
-            alt Follow-up messages exist
                 AgentLoop->>AgentLoop: set pending_messages = follow_up
-                continue loop
+                loop Main Agent Loop
+                    Note over AgentLoop: Continue loop
+                end
             end
             
             break