I don't follow what OP says in the write-up, "I fed it the spec to my language." How? What would that prompt look like? How long did that take? How many prompts

I don't follow what OP says in the write-up, "I fed it the spec to my language." How? What would that prompt look like? How long did that take? How many prompts? How was it verified that the spec had been understood properly? Etc, etc...