feat(toc): add constellation variant#21
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stanley-910 wants to merge 2 commits intotoc-variantsfrom
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Adds a fourth TableOfContents variant that renders headings as a star map: dots laid out deterministically per-post (seeded PRNG), connected by faint amber edges in reading order. Active node glows; active edge brightens. - lib/toc-starmap.ts: seeded mulberry32 + repulsion layout so each post gets stable positions across reloads. - toc.css: scoped .toc-variant-constellation block (dot, label, edge, active states); extends shared positioning with the other variants. - toc.tsx: ConstellationToc sub-component. Auto-falls back to staffline when headings.length > 12 or prefers-reduced-motion. No post opts in yet — ship behind explicit variant="constellation".
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Opts the RNN post into variant="constellation" for a visible demo of the new star-map TOC. Nine headings is at the upper edge of what the narrow sidebar handles cleanly — labels can overlap when a pair of stars lands close in a horizontal row. If that becomes a problem we can either widen the sidebar, shorten headings, or drop back to the vim variant.
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Stacked on #20 — merge that first.
Summary
TableOfContentsvariant that renders section headings as a star map: dots laid out deterministically per-post (seeded PRNG, mulberry32 + repulsion), connected by faint amber edges in reading order. Active node glows amber; the active → next edge brightens from 0.2 → 0.5 opacity.lib/toc-starmap.tshelper owns the layout (hashStr + mulberry32 + rejection sampling). Seed is the post pathname, so positions are stable across reloads.headings.length > 12(constellation breaks visually past ~10 nodes) or when the user hasprefers-reduced-motion: reduce.variant="constellation"yet, and the tag → variant map is unchanged. Enable per-post later.Test plan
variant="constellation"on the Whitten post (4 headings), renders 4 nodes + 3 edges; labels in Instrument Serif, dots muted until active.variant="constellation"), falls back to staffline list.