v1 audit fixes: dead tokens, stale docs tables, blog corrections

[minimaldesign]

Final pre-tag audit fixes for v1.0. Everything from the audit is addressed except the display-tracking TODO in settings.tokens.css, which stays by request.

CSS bugs (same class as the recently deleted tokens)

• Removed the orphan --meter-color token from elements.form.css: nothing ever consumed it (the meter paints with --meter-color-track/low/med/high). Recorded in the changelog next to the --layout-aside-background-color removal. dist/ regenerated by the pre-commit hook.
• Removed the dead radius-demo rule in page.docs.css that referenced the nonexistent --radius-drawn token (the tokens page table has 6 rows; the CSS styled a 7th).

Docs

• tokens: the heading-sizes table was wrong on every row (one step smaller than the actual clamps); now matches the source (heading-1 is display-md → display-xl, etc.). Documented the new --highlight-500 token with a demo swatch and its relationship to --marker-color. Renamed the font-stack row monospace to the real token name mono. Fixed the confusing font-stack notice ("wether", two things called "the system default").
• media-queries: documented the entire user-preference and device-capability set (--OSdark/--OSlight, --motionOK, --touch/--mouse/--stylus/--pointer, --forcedColors, --HDcolor, etc.), fixed the mangled (width <section 768px) table cell, and noted that -phone variants stop at lg.
• start: the states example now follows the block_element syntax it sits under (form_input/form_submit instead of formInput/formSubmit), the postcss-preset-env mention now links to preset-env instead of postcss-mixins, and two typos are fixed (Targeting, properties).
• components/start: the zero-JavaScript claim now lists the real exceptions (header menu, banner, hero slideshow, TOC scrollspy, read progress bar fallback), and the intro no longer promises a table title the pages don't use.
• featuregrid: documented FeatureItem's titleClass/iconClass props (matching how section documents its equivalents).
• lastUpdate bumped on every page whose content changed; tokens and media-queries also bumped to version 1 since they now reflect the v1 framework.

Blog

• structure post: the layer list contradicted its own 2026 update note; the removed Pages layer is gone and the Theme layer is in.
• 1.0 post + changelog: component count corrected from 23 to 26 (22 pages documenting 26 components; the count predated the Cta page removal).
• colors post: the gradient demos used a br-sm helper that doesn't exist; radius moved into the inline style.
• select-mask post: GitHub line anchor updated for the current elements.form.css.
• BEM post: one sentence-construction em dash replaced with a colon.

House style

• CLAUDE.md's em dash rule clarified per Yann: legitimate typographic uses (ranges like h1–h6, quote attribution, table placeholders) are fine; sentence-construction dashes are not. The h1–h6 range in the elements docs was tidied to a closed-up en dash under the same rule.

Verification

• npm run build:css: dist/ regenerated cleanly (meter token gone from dist, layer invariants intact).
• npm run lint:css: clean.
• npm run build: 110 pages, no errors; corrected tables, new sections, and class fixes confirmed in the built HTML.
• npm run check: 0 errors, 0 warnings.

🤖 Generated with Claude Code

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