If the goal of your e-commerce replatform is to simply copy-paste what you have over to the new platform, you’re getting it wrong.
Instead, you should aim to treat the replatform as a catalyst: use this moment to take stock of your entire digital operation and understand what is truly adding value and what is historical cruft you can get rid of.
In turn, this will allow you to drastically simplify your replatforming project (e.g., by steering you away from composable commerce).