Opencode is great as a full replacement. Works out of the box.
Pi code agent[1] is even better, if you spend some time in it, you can customize is to your liking. It's a vi and Emacs combined for agents.
[1] https://pi.dev
Claude Code is not developer friendly.
Why Anthropic can't provide such a setting, we will never know!
"spinnerVerbs": {
"mode": "replace",
"verbs": ["Working"]
}
They bothered to let you override default nonsense messages with custom messages, but they still don't want to let you see what you are actually interested in. The actual information is kept hidden.
Luckily, new open weight models from China caught up with Anthropic, so you can use a sane harness with a much cheaper subscription and never look back.