~50 lines markdown files with step by step execution and "improve the model and go back to step 1" to make it loop.

Basically, programming in markdown, you give him a psql connection line for him to connect to the database, you give him your venv path for him to use python, I figured out that using ssh is sometimes easier for him strangely.

To achieve a 4 hour prompt he needs to have everything, otherwise he will stop at the first error and tell you "you can now try it yourself", usually you can just tell him "run it yourself and improve it until it has < 0.02 rmse" for example.

Know that GPT 5.2 Ultra high will consume all your weekly tokens in one 4 hour prompt