Changelog

Fix M3U Plus playlist: handle XUI_ID placeholder for backward compatibility

License protection hardening: startup check, DB grace period, embedded heartbeat, SPKI pinning, BIOS serial, anomaly detection, streaming license check, nginx access log

• Security: unique Redis password, SSL cert per installation
• Security: removed hardcoded TMDb API key, GitHub token
• Feature: xline.sh admin panel + ghost login

Update error messages: show actual API error for free plan, improved sysctl alignment

• Aligned sysctl across install script and root_signals.php
• Added modprobe tcp_bbr for kernel module loading

• Optimized sysctl for IPTV streaming: BBR congestion control, 256MB TCP buffers
• Replaced legacy XUI sysctl values

• FFmpeg default changed to 7.1
• Security hardening: flood protection, brute force limits enabled by default

• Fixed database.sql defaults (total_clients, security settings)
• PHP 8.4 compatibility fixes
• Install script server config improvements

• Migrated update system to xline.sh
• Removed GitHub dependency for updates

• Initial xline.sh update system
• Removed xc_vm symlink dependency
• Fixed nginx_rtmp prefix path