Dev Environment Setup has moved 📦

This guide now lives in the Project Sidewalk repository so it stays versioned alongside the code, is searchable by tooling, and doesn't drift:

➡️ docs/dev-environment.md

(Troubleshooting and the City ID → Database User table moved there too — see the Troubleshooting and City IDs sections.)

Please update your bookmarks. This page is kept only as a redirect. See issue #4252 for why we moved core developer docs into the repo.