diff --git a/agent/modes/separated/composer.py b/agent/modes/separated/composer.py
index e38e9a4a..f5addbdf 100644
--- a/agent/modes/separated/composer.py
+++ b/agent/modes/separated/composer.py
@@ -3,6 +3,7 @@
 """Composer agent: compose_slides tool with parallel execution, prefetch, and post-build."""
 
 import json
+import logging
 import os
 import queue
 import time
@@ -18,6 +19,8 @@
 from modes import MODES  # imported lazily in compose_slides if needed
 from resilience import call_tool_with_retry
 
+logger = logging.getLogger("sdpm.agent")
+
 
 # Soft-stop signal: the webui cancel button sends InvokeAgentRuntimeCommand
 # to `touch /tmp/compose_stops/{parent_tool_use_id}` inside this microVM.