Is your feature request related to a problem? Please describe.
Our current CLI commands are too verbose. When it concerns tests, this is annoying. Also, when error occurs, the error message is the only thing I see.

Describe the solution you'd like
I want to run commands silently and, if an error occurs, be able to trace the problem.

Describe alternatives you've considered
I suggest adding two flags to all commands:
1 - --silent: supress comand messages;
2 - --debug: use console.trace intead of console.error.

Additional context
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