Update scripts, docs, nginx configs, and release-gate safety checks after the Studio server public IP changed from 58.38.22.103.
Co-authored-by: Cursor <cursoragent@cursor.com>
Document the completed Docker-to-native goosed pool cutover on 103, add the production migrate script with backup/rollback paths, and extend local native pool soak/metrics helpers used as migration gates.
Co-authored-by: Cursor <cursoragent@cursor.com>