Claude has a good database of LCS and LCB that it can write a library or widget with just some prompting. It's helpful to know what it is doing, but with the easy syntax of LCS it's easy enough to figure out what it's doing.
Yes, all controls and other imported binary data would be lost. The revMenubar shows how to create a stack with controls and images from a script only stack.
Going from a script only stack to a binary stack would just require you to copy and paste the code into the stack/card script (or where ever)
Step 1: Use any good AI e.g. https://gemini.google.com/ . Be aware that AI usage is not free. I found Google to be affordable.
If you use OpenCode https://opencode.ai and use their Big Pickle model, it is free. I didn't find it all that great compared to Claude, but I'm sure if you put the time ...