年糕小豆汤

Not support by now.

`cSpell.enabledLanguageIds` is an options, you can change in coc-settings.json

I don't know what your mean by run `coc-codeaction`. If you mean `(coc-codeaction)` it will display all code actions in the buffer. And it's coc.nvim behavior, i can do nothing....

Can not reproduce

Disable others extensions and test only with this extension.

set `"cSpell.trace.server": "verbose"` and checkout output channel of cSpell.

No, change your coc-settings.json and https://github.com/neoclide/coc.nvim/wiki/Debug-language-server#using-output-channel

> I have made the change but nothing is reported by `:CocCommand workspace.showOutput` Don't know what happen with your coc.nvim.

`:CocFix` is fast means this extension response is fast, and the actions window is not show by this extension, it only offer code actions for coc.nvim. So it's not the...

The mapping is coc's thing. Other way you can use `:call CocActionAsync('codeAction')`