Question about Gemma4 + opencode on consumer hardware

I've been experimenting with running gemma4:26b with 16 ctx as a coding agent for Opencode on my Mac mini 24G. It's a tight fit memory-wise, but it kinda works. The problem is: it is almost there. It can read GitHub tickets, create feature branches, break up the assignment into multiple steps and even handle a few of those steps. But it has two big quirks: 1. It needs a lot of human handholding. "I will tackle TaskPlanner.php next" "OK, do that then. " "Do you want me to modify that file?" "Yes!" *finally does a bit of coding* 2.