VelocityShield

Critical Fixes: - Fixed telemetry - Fixed memory leak - IPCache shutdown now properly called on plugin disable - Fixed deprecated JsonParser usage New Features: - Unified command system with /vshield and tab completion - Statistics command (/vshield stats) - view uptime, blocks, cache status - IP lookup command (/vshield lookup <ip>) - manually check any IP - Cache clear command (/vshield cache clear) - Whitelist list command (/vshield whitelist list) - Command aliases: /vs as shorthand for /vshield Improvements: - Increased default cache duration from 10 seconds to 24 hours (90% fewer API calls) - Added configurable API timeouts (connection and read) - Better error handling with LogHelper utility - Improved logging with contextual information - Updated all dependencies New Config Options: - api-connection-timeout: 5000 - api-read-timeout: 5000 - cache-duration: 24 - cache-time-unit: "HOURS" BACKWARDS COMPATIBLE