Standalone instructions for whoever sets up testmodul.qrmaster.net on the production
server. Written to be followed without prior context: explicit paths, an upfront list of
what must not be touched, and a stop condition in step 2 if the host URLs point at
production, which would send staging clicks into the live app.
Contains no credentials - .env.test is handed over separately.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
