1) None.

2) Yes, trying different models and harnesses through many providers (free/trial). mimo-v2.6-flash, minimax-m3.1-flash, glm-5.3-flash, deepseek-v4.1-flash, gpt-oss:120b, nemotron-3.5.-super-vl.120b-a12b, and others.

3) Mostly eca.dev on Emacs, and Claude Code at work. Now trying the OpenCode one too.

4) No.

5) No.