refactor:

- dedupe flash / highlighting logic
- codemirror logic now lives only in codemirror package
- remove old highlighting logic
- use codemirror package in react package
- cleanup CodeMirror6.jsx
- pull setMiniLocations into useHighlighting
- migrate MiniRepl, nano-repl + Repl to new highlighting

packages/react/examples/nano-repl/src/App.jsx

@@ -82,9 +82,10 @@ function App() {
     code,
     defaultOutput: webaudioOutput,
     getTime,
+    afterEval: ({ meta }) => setMiniLocations(meta.miniLocations),
   });
 
-  useHighlighting({
+  const { setMiniLocations } = useHighlighting({
     view,
     pattern,
     active: started && !activeCode?.includes('strudel disable-highlighting'),