No worries :)

Here’s what I found on the readme on the nvim repo

Catppuccin is excellent in terms of features, plugin support, and customizing highlight groups/palette colours

I believe the reason is that bash is backwards compatible with sh and sh only has [ ], not [[ ]]

Try putting # vim:ft=yaml.ansible at the top of your file then re-opening it

Can you paste the output of :LspInfo when opening an ansible file? Wait a few seconds after opening the file to give the language server time to load