sandboxing agent actions: worth it?

[kernelmike]

I'd approach it in a boring order. Before rebuilding anything, I'd test one clean baseline with Qwen and compare from there.

I'd approach it in a boring order. On M3 Max, the easiest win is often to back off the aggressive settings and see whether the problem survives. Once you know the plain path works, then add the faster path back in piece by piece.