Ask HN: My product makes money, AI does the coding, and I feel useless

A solo founder who built a SaaS platform in 2019 on nights and weekends says it now earns enough to replace his old salary, but most of the code is fixed and AI handles most of what remains, including a harness he wrote for AI to replace him. He asks where others found the part of the work that still needs them, and how they located the place where they were needed today.