ChunkManager

Added

• Multiverse Support - Automatically detects Multiverse-Core and displays world aliases
• Per-World Settings - Configure each world independently with its own settings
• World Settings GUI - New menu to browse and configure all worlds
• World Edit Menu - Adjust radius, max chunks, safety radius, priority per world
• Heat Map Persistence - Chunk heat data now saves across restarts

Improved

• Smart Unloading - Now respects per-world settings and priorities
• Maintenance Mode - Properly respects manual on/off state, won't auto-toggle when manually set
• Race Condition Fix - Chunk unloading now waits for completion before reporting count
• Memory Management - Better GC handling with configurable thresholds
• GUI Cooldown - Reduced click spam issues

Fixed

• Maintenance mode staying off when manually disabled
• Duplicate chunk tracking causing memory bloat
• Smart unloader returning incorrect counts
• Memory threshold errors on some systems