✔ Completely rewritten Item NBT validation system
✔ Added full protection for enchants, attributes, and item flags
✔ Added PersistentDataContainer (PDC) abuse detection
✔ Added UTF-8 based overflow detection for all item metadata
✔ Improved BookMeta protection (pages, authors, titles, unicode abuse)
✔ Added illegal character filtering for all item components
✔ Added strict item stack size validation
✔ Enhanced lore & display-name overflow protection
✔ Improved serialized metadata analysis system
✔ Better detection of corrupted or malformed item data
✔ Fully rewritten Netty injection logic for safer pipeline ordering
✔ Improved crash + packet flood separation layers
✔ Higher accuracy with reduced false positives
✔ Better performance and cleaner validation pipeline

This update significantly strengthens item-level security and improves packet-layer stability through a redesigned Netty injection system and enhanced NBT inspection logic.