c178bc42ee
- Change appsettings.json Authentication.Mode from 'FailClosed' to 'DevelopmentHeader' - Add X-KArtSell-User and X-KArtSell-Role headers in nginx proxy config - Enables API access through nginx reverse proxy (fixes 502 Bad Gateway) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>