- Fix auth bypass in UpdatePost/DeletePost (missing return after auth check)
- Remove Spotify access token from callback response
- Replace internal error messages with generic responses in all handlers
- Harden GraphQL: complexity limit, disable playground/introspection in prod
- Add security headers (X-Frame-Options, HSTS, etc.) to nginx
- Disable Hasura console/dev mode in production
- Add DOMPurify sanitization to Markdown component
- Fix cookie removal to use correct domain/path from auth config
- Fix nil dereference in rowing handler when Claude API errors
- Fix wildcard CORS on stamp endpoint
- Pin nginx and certbot Docker image versions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Generate self-signed certs for local HTTPS, add port 443 and full SSL
server block to dev nginx config, add Spotify redirect URI env var,
improve Spotify token error handling, and fix Chat/Steam mobile sizing.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>