Worker islands — React, Vue, imperative, real libraries

transport:
mounting islands…
React-shell edition — React components rendered inside workers (<Island/>) →
app: controlsworker …
app: data-tableworker …
app: data-table (second instance — same microfrontend, different worker + props)worker …
app: statsworker …
app: vanilla (imperative proxy DOM)worker …
app: vue-notes (real Vue 3 createRenderer)worker …
app: charts (real recharts — unmodified — namespaced SVG ops)worker …
app: map (real Leaflet 1.9 — unmodified — on the proxy DOM)worker …