chore: update knip config & prep for prod mode

[webpro]

Not using production mode may hide issues, as this PR shows. At the same time, some consider it good to be strict in fast-pacing projects, and others only annoying. Let me know if you want me to add it to CI anyway.

• Bumped Knip
  • A package.json#scripts.postinstall no longer requires production dependencies (simple-git-hooks, lint-staged), so it won't flag these in production mode
• Did not actually add pnpm knip --production to CI, but prepared for that:
  • Re-added a bunch of exclamation marks
  • Removed unused exports
  • Added @internal for exports only imported by tests
  • One issue remains: isn't unocss a dev dependency?

❯ pnpm knip --production
Unused dependencies (2)
@unocss/preset-wind4  package.json:63:6
unocss                package.json:87:6

No need to decide/fix now, as the changes don't affect how Knip is currently used in default/dev mode (but I'd be happy to if you agree!).

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[danielroe]

none of the dependencies in a nuxt project are actually used in prod so I tend to separate dev vs prod deps between lint/tooling stuff and the stuff required to actually build nuxt (which includes uno)

[webpro]

Production mode isn't about dependencies actually being installed or imported at runtime. It's about what's imported from production source code (regardless of getting bundled or not).

[webpro]

But yeah, some "faux production entries" are a result of that strategy, and that's fine from a Knip perspective, provided the ! suffixes everywhere are acceptable.

[webpro]

Rebased. Added a bunch of @internal tags for exports only imported in tests. A11y audit gives

TimeoutError: Navigation timeout of 60000 ms exceeded

[danielroe]

more than happy to enable --production if you think it gives us some extra protection 🙏

[webpro]

yeah it's just that we'd need both and run it twice

I'll open a separate PR for that