diff --git a/cecli/coders/base_coder.py b/cecli/coders/base_coder.py
index 2b2fbdb40be..4f6ef4736e0 100755
--- a/cecli/coders/base_coder.py
+++ b/cecli/coders/base_coder.py
@@ -1457,7 +1457,11 @@ async def _run_parallel(self, with_message=None, preproc=True):
         try:
             if with_message:
                 self.io.user_input(with_message)
-                await self.run_one(with_message, preproc)
+                self.output_running = True
+                self.user_message = (
+                    await self.preproc_user_input(with_message) if preproc else with_message
+                )
+                await self.output_task(preproc, single_run=True)
                 return self.partial_response_content
 
             # Initialize state for task coordination
@@ -1576,7 +1580,7 @@ async def input_task(self, preproc):
                 if self.verbose or self.args.debug:
                     print(e)
 
-    async def output_task(self, preproc):
+    async def output_task(self, preproc, single_run=False):
         """
         Handles output task generation and monitoring.
         This task manages the output loop and coordinates with input_task.
@@ -1621,6 +1625,9 @@ async def output_task(self, preproc):
                         # And stop monitoring the output task
                         await self.io.stop_output_task()
 
+                        if single_run:
+                            break
+
                 await self.auto_save_session()
                 await asyncio.sleep(0.1)  # Small yield to prevent tight loop
 
diff --git a/cecli/commands/spawn_agent.py b/cecli/commands/spawn_agent.py
index afde0c2e799..ff1809b89f9 100644
--- a/cecli/commands/spawn_agent.py
+++ b/cecli/commands/spawn_agent.py
@@ -6,6 +6,7 @@
 class SpawnAgentCommand(BaseCommand):
     NORM_NAME = "spawn-agent"
     DESCRIPTION = "Spawn a sub-agent without a prompt (waits for user input)"
+    show_completion_notification = False
 
     @classmethod
     async def execute(cls, io, coder, args, **kwargs):
diff --git a/cecli/commands/switch_agent.py b/cecli/commands/switch_agent.py
index 7f4697e0da2..4249aed88e4 100644
--- a/cecli/commands/switch_agent.py
+++ b/cecli/commands/switch_agent.py
@@ -8,6 +8,7 @@
 class SwitchAgentCommand(BaseCommand):
     NORM_NAME = "switch-agent"
     DESCRIPTION = "Switch to a specific agent by name"
+    show_completion_notification = False
 
     @classmethod
     async def execute(cls, io, coder, args, **kwargs):