Drakma returns a byte vector, not a string. The code was passing
this directly to cl-json:decode-json-from-string which expects
a string, causing the lookup to silently fail.
- Add geo IP lookup for listener locations (ip-api.com)
- Add geo stats table with country flags to admin dashboard
- Fix listener stats table alignment with proper centering
- Fix Now Playing display to update without requiring audio playback
- Add caching for geo lookups to reduce API calls
- Add database schema for listener snapshots, sessions, and aggregates
- Implement background polling of Icecast admin XML stats
- Add API endpoints for current, daily, and geo stats
- Add listener stats section to admin dashboard with auto-refresh
- GDPR compliant: IP hashing, data retention cleanup