Migrate tidy/lint to precious

[oalders]

Lands precious as the canonical tidy/lint driver for this distribution, via the kitchen-sink:tune-precious recipe. Each transform is its own commit so any single change is independently revertable.

What changed

Commit	Transform
precious: add canonical config	New precious.toml (perltidy, perlvars, omegasort-gitignore) + [PruneFiles] so it stays out of the CPAN tarball
perltidy: consolidate profile to .perltidyrc and drop -b	git mv perltidyrc .perltidyrc; stripped standalone -b (precious manages backups)
tidyall: delete config files and ignore entries	Removed stray tidyall.ini line from .gitignore
dist.ini: add App::perlvars develop prereq for precious	Added App::perlvars to [Prereqs / DevelopRequires]
ci: add precious lint job	New .github/workflows/lint.yml running precious lint --all
hooks: add scripts/pre-commit for precious lint	Self-installing scripts/pre-commit (run scripts/pre-commit --init once per clone); pruned from the dist

Scope decisions

• 3 command blocks in precious.toml: perltidy, perlvars, omegasort-gitignore.
• Not wired: perlcritic (no enforcement remained — Test::Perl::Critic is already -removed in the bundle, no .perlcriticrc), typos (no typos config), omegasort-stopwords (no .stopwords).
• No [RemovePrereqs] needed — the @Author::OALDERS bundle already removes the tidyall plugins/prereqs.

Verification

• precious config list passes (kebab-case keys throughout).
• lint.yml parses; branches: [master]; projects: = precious + omegasort; all action tags resolve (checkout@v7, actions-setup-perl@v1, install-ubi-action@v0.0.6, install-with-cpm@v2).
• dzil build --no-tgz clean; precious.toml, .perltidyrc, and scripts/pre-commit all confirmed absent from the built dist.
• scripts/pre-commit is executable with default_branch="master".

Note

Contributors run scripts/pre-commit --init once per clone to activate the hook.

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