docs(website): trim comments that restated the a11y/contrast code (#614 deslop)

[ScriptedAlchemy]

Comments-only follow-up to #614, from the owner's deslop rule (every PR runs a deslop lane over its diff before review; #614 had already merged when the rule arrived, so its edits land here). No behaviour, selector, colour, ARIA attribute or workflow step changes — website/theme/index.tsx and website/styles/index.css comments only. skip-changeset: website is private.

Deslop: cursor-grok-4.6-high-fast, 8 edits — JSDoc that restated the function it sat on (contentId, socialLinkName), prop restatements and a "class names kept for CSS" aside in the SwitchAppearance JSDoc, "assistive technology reads the live DOM" after a setAttribute, #590 citations and cross-file references in CSS block comments (the file's existing comments cite neither), and a failing-ratio list already repeated next to each token. Kept: every why — why the switch stays a div, why aria-pressed waits for mount, the contrast ratios beside each value.

Self-review

Reviewer: claude-fable-5-1-thinking-high (deslop lane: cursor-grok-4.6-high-fast). Verified mechanically that the comment-stripped CSS and TSX are byte-identical to main; typecheck and lint pass. Two low findings, both fixed (7193dfa): the removed "class names are kept so the theme's CSS still applies" sentence was the only statement of the contract with @rspress/core's CSS and the index.css focus selector — restored as a half-sentence; the removed "assistive technology reads the live DOM" justified setting aria-label in an effect rather than in the SSG HTML — restored as a clause. Reflow stub line fixed.

Refs #614, #590.

[changeset-bot]

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commit: 7193dfa

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-05T09:29:12.545963Z	7193dfa	Draft marked ready

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