thank you , yeah I think im overthinking this
No one's going to look unless you ask them to look. If you already have a big audience (over 100+ people daily using things you've built) no one is going to "get curious" about your projects. So just post them so folks can see them.
This is it should be. It takes time and effort to try someone’s idea.
Regarding the fear someone does take it and claim it as their own. Who cares? You’re in no worse of a position than the code being private and then not doing it. It’s not relevant.