Looking at the log of my solo project, I could say the formula of my commit message is Verb the Subject, the Verb being Added/Tweaked/Removed, etc., and the subject of what is being changed. As I'm using git commit -m 'Message' GNU Bash every time (none of the clients tend to work well for me + git self-hosting practice over SSH), I just try to make one-liners and without entering an external editor.

Although my professional experience is scarce. For most of the time, I've been creating but not maintaining my projects. My projects do not have a decent high-level structure, I do not test my codebase, I learn my code by heart and follow intuition. I tend to think in algorithms, rather than structural design patterns. Even for my newest project, the main.rs is bloated, the functions are not in the correct modules (a.k.a. files), the modules are improperly named. Alhough, I cannot believe in myself I am approaching 3.5K lines of code (separated over two repositories) but I can still navigate....