Triggers URL force scheme and proxy trust whenever APP_URL starts
with https://, regardless of APP_ENV value.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Set APP_URL to production HTTPS URL, force URL scheme and trust proxy
headers in production to prevent mixed content errors.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>