fix: record message confirmations in context

backend/services/brains/workflow_brain.py

@@ -58,6 +58,7 @@ from services.message_stage import (
     MessageStageResult,
     MessageStageRunner,
     MessageStageSpec,
+    confirmation_context_message,
 )
 from services.runtime_variables import DynamicVariableError, DynamicVariableStore
 from services.system_tools import state_update_properties, system_tool_kind
@@ -1421,6 +1422,12 @@ class WorkflowBrain(BaseBrain):
                 context_message = fixed_speech_context_message(result.speech)
                 if context_message is not None:
                     context_messages.append(context_message)
+            confirmation_message = confirmation_context_message(
+                result,
+                source=f"workflow-message:{continuation.node_id}",
+            )
+            if confirmation_message is not None:
+                context_messages.append(confirmation_message)
 
             if not self._engine.has_outgoing(continuation.node_id):
                 self._state.enter(