fix: protect code cell options from formatting

[mcanouil]

Implement a mechanism to prevent code cell options from being formatted, ensuring that only relevant code is affected during formatting operations.

[cscheid]

Thanks for the PR.

I assume this was done to prevent black and other Python auto-formatting tools from mangling our #| syntax. Is that the case? If so, I wonder if a more targeted, Python-only fix is better.

[cscheid]

Another thought here is that this kind of PR really makes me wish we had a test suite in this repo.

[mcanouil]

I assume this was done to prevent black and other Python auto-formatting tools from mangling our #| syntax. Is that the case? If so, I wonder if a more targeted, Python-only fix is better.

I was thinking about making it specific at first but then I realised that the expected comments are all hardcoded, so I reconsidered, and made a general protection for the comments symbols (hardcoded in two places).

Another thought here is that this kind of PR really makes me wish we had a test suite in this repo.

I'm not yet very familiar on this part, but I can't agree more with this.
That's on my personal roadmap before releasing Quarto Wizard 1.0.0.

• Add tests mcanouil/quarto-wizard#5

I did "manual tests" as far as this approach can go.

[mcanouil]

Let's hold on on this PR as the behaviour is not new at all so it can wait a bit for me to implement a test soon as I get some spare time.