Migration visualization tools – monolithic to composable/headless

Hi,

I have a large migration project – monolithic to headless. I need a visualization tool that will help me map out the migration of functionality. We have functional and business requirements on a high level, nothing on the story level beyond people just banging away at keyboards. There's no templated structure to stories, people are just winging it. And as a result, things are getting wonky. Does anyone have any visualization tools so that we can see gaps in the functionality migration? We use Jira and Confluence for documentation.