My personal projects are the outcomes (solving problems), not the code. The code is just a sometimes necessary means to an end. If the robot solves my problems, tremendous! It means I can solve more problems that tickle my brain faster. This is why I desire a continuously improving robot: we solve problems together, mostly for fun and rarely for profit.
Pick puzzles that are most fun for you. If the puzzles are not fun, look for novel puzzles to explore.
LLMs have let me knock out a few of the ones on The Big List that have been there for years and are now usable tools in my repertoire, and I think that's great. They're not human-quality artisinal code, but so what? It's mine and it works and I can now keep using it and polishing as I proceed.. it wouldn't have been available at all without the LLM assistance.