Months of work on a 3-app Marvel ecosystem — React 19, Three.js globe, PWA, i18n, monorepo

Hi everyone, hope y'all having a great day ! Side project I've been building for months during my own MCU marathon. Not a weekend vibe-code — real architecture, hand-curated data, iterative development with AI assistance. Three apps, one dataset, pnpm monorepo: Marathon — PWA viewing tracker (Zustand, localStorage + Supabase sync, 3 view modes) Map — 3D globe (react-globe.gl, Three.js, pin clustering, TopoJSON) Hub — landing portal (Framer Motion, live stats) Stack: React 19, TypeScript 5.9, Vit