release: 7.18.0 — unified running-agents tree, no search/poll freezes, a11y + security fixes, desktop nvm launch (merges #282 #283 #285 #286 #287 #288 #289 #290) - #284

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/