Quality pass: green baseline, tests, content validator (+42 content fixes), perf & a11y#3

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NeoVand merged 16 commits into

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improvement-pass-1

Jun 19, 2026

Commits on Jun 19, 2026

docs: add improvement plan and bundle baseline metrics

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fix(types): resolve svelte-check errors and reactivity/a11y warnings

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fix(lint): clear all non-formatting ESLint errors

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fix(content): remove 537 unnecessary string escapes via position-driven codemod

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style: apply prettier across source + scope prettier to code

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ci: gate check + lint + build on PRs and before deploy

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fix(simulator): load sim state once via untrack, not in an $effect

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test: add Vitest unit suite + Playwright e2e critical paths

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feat(validate): build-time cross-reference validator + fix 42 broken refs

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perf(bundle): lazy-load highlight.js out of the initial paint

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chore(assets): shrink og-image, delete unused screenshot.png

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a11y: honor prefers-reduced-motion across all CSS animation

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fix(engine): sync simulation positions by id, not array index

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refactor(mermaid): centralize init in a loadMermaid() helper

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fix(content): bare [[id]]/{{concept}} strips to its label, not empty

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feat(validate): detect duplicate ids; surface 18 shadowed concepts

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