Fixes model switching bug where sisyphus_task with category would change the main session's model after completion. - Add parentModel to session.prompt body in notifyParentSession - Add test verifying model is included when parentModel is defined
Fixes model switching bug where sisyphus_task with category would change the main session's model after completion. - Add parentModel to session.prompt body in notifyParentSession - Add test verifying model is included when parentModel is defined