fix: Clean up orphaned sub-agents when the parent agent

src/config/mod.rs

@@ -1,10 +1,10 @@
 mod agent;
 mod input;
 mod macros;
+mod prompts;
 mod role;
 mod session;
 pub(crate) mod todo;
-mod prompts;
 
 pub use self::agent::{Agent, AgentVariables, complete_agent_variables, list_agents};
 pub use self::input::Input;
@@ -1898,6 +1898,10 @@ impl Config {
         self.exit_session()?;
         self.load_functions()?;
         if self.agent.take().is_some() {
+            if let Some(ref supervisor) = self.supervisor {
+                supervisor.read().cancel_all();
+            }
+            self.supervisor.take();
             self.rag.take();
             self.discontinuous_last_message();
         }

src/function/supervisor.rs

@@ -305,6 +305,10 @@ fn run_child_agent(
             input = input.merge_tool_results(output, tool_results);
         }
 
+        if let Some(ref supervisor) = child_config.read().supervisor {
+            supervisor.read().cancel_all();
+        }
+
         Ok(accumulated_output)
     })
 }