CRMR: replace @lyricalstring/gale with stylelint

[codebend3r]

• bun install --frozen-lockfile failed in CI: @lyricalstring/gale's postinstall fetches a binary from github.com/LyricalString/gale/releases, and that upstream repo is now deleted (404 on the repo itself, not just the release)
• drop @lyricalstring/gale, add stylelint + stylelint-config-standard-scss (installed from npm, no external binary download at install time)
• .stylelintrc.json extends stylelint-config-standard-scss; disable selector-class-pattern since this repo's CSS Modules classes are intentionally camelCase, and exempt font-family/--font-* from value-keyword-case since font names aren't CSS keywords
• lint:css/lint:css:fix and the lint-staged *.{css,scss} entry now call stylelint instead of gale
• stylelint --fix modernized rgba() to rgb() space/percentage syntax across global.css and a few *.module.css files, plus blank lines between rules per stylelint-config-standard-scss
• fixed deprecated word-break: break-word to overflow-wrap: anywhere in DesignSystem.module.css

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