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Multi-page Vite build: index.html serves a new standalone landing (src/landing), app/index.html serves the app at /app/. The PWA service worker and manifest are scoped to /app/, so the landing stays uncontrolled and always-fresh; hash view-state routing is unchanged. The landing reuses src/core and the chart-renderer service only (never stores/orchestration/modals/components) and lazy-loads Vega. Its demos drive the real core: a hero snippet switcher over CHART_EXAMPLES, an interactive Chart Builder over a new profiled core fixture (sample-dataset), and a Theme Builder gallery with three from-scratch custom themes plus built-in presets.
Astrolabe
A browser-based snippet manager for Vega-Lite visualizations. Author chart specs as JSON, watch them render live, and keep a personal, searchable library — fully local, offline-capable, no account.
Astrolabe is a spec-driven rebuild on an architecture adapted from its sibling project Syto. The authoritative behavioral contract lives in
docs/spec/. See SOUL.md for the philosophy and docs/IMPLEMENTATION-PLAN.md for the build sequence.
Stack
Vite · TypeScript · React + Zustand · Monaco · Vega-Lite + vega-embed · IndexedDB · PWA (offline + installable).
Develop
npm install
npm run dev # dev server
npm run build # typecheck + production build (+ service worker)
npm run typecheck
npm test # Vitest
Status
M0 — Skeleton. Toolchain green (typecheck, tests, build, PWA). The three-pane shell renders; features land milestone by milestone per the implementation plan (MVP at end of M1).
License
TBD.