Zed with CC using ACP?
Opencode with CC underneath using Gigacode?
OpenAI codex is also another viable path for what its worth.
I think the best model to my liking open source is kimi k2.5, so maybe you can run that?
Qwen is releasing some new models so I assume keep an eye on those and maybe some model can fit your use case as well?
Zed's ACP client is a wrapper around Agents SDK. So that will be a TOS violation.