Revert "perf(desktop): cut per-keystroke layout + listener churn in chat composer"

This reverts commit bff1b3261d.

apps/desktop/scripts/reload-renderer.mjs

@@ -1,25 +0,0 @@
-// Reload the renderer via CDP so it picks up the latest from Vite.
-const list = await (await fetch('http://127.0.0.1:9222/json/list')).json()
-const tgt = list.find(t => t.type === 'page' && t.url.startsWith('http'))
-const ws = new WebSocket(tgt.webSocketDebuggerUrl)
-let id = 0
-const pending = new Map()
-ws.addEventListener('message', ev => {
-  const m = JSON.parse(ev.data)
-  if (m.id != null && pending.has(m.id)) {
-    pending.get(m.id)(m)
-    pending.delete(m.id)
-  }
-})
-await new Promise(r => ws.addEventListener('open', r))
-const send = (method, params = {}) =>
-  new Promise(r => {
-    const i = ++id
-    pending.set(i, r)
-    ws.send(JSON.stringify({ id: i, method, params }))
-  })
-await send('Page.enable')
-await send('Page.reload', { ignoreCache: true })
-console.log('reload requested')
-await new Promise(r => setTimeout(r, 200))
-ws.close()