Let's get some terminology straight. If you aren't creating your own block templates, you are not "solo" mining. If a pool is creating your block templates, but you are the one who would get the full block reward (minus pool fees), then you are lottery mining but not solo mining.

The only one of those options that allows you to solo mine is nostr:npub1qtvl2em0llpnnllffhat8zltugwwz97x79gfmxfz4qk52n6zpk3qq87dze. However, I don't think you need a pool at all if your intent is to solo mine AND lottery mine. nostr:npub1wnlu28xrq9gv77dkevck6ws4euej4v568rlvn66gf2c428tdrptqq3n3wr, am I correct that Datum can be set up to cut out the pool altogether, solo mining your own block templates and receiving the full reward if you find a block?