📝 Changelog - Version 2.0.0

🎭 Class & Passive System

Implemented a unique passive progression system. Players now unlock powerful abilities automatically at Levels 10, 30, 60, and 90.

• Warrior: Focuses on damage mitigation, health regeneration, and crowd control (Stun).
• Archer: Specialist in movement speed, stacking damage marks, and piercing area-of-effect arrows.
• Assassin: Master of stealth, poisoning, and evasion, featuring the new "Ghost" invisibility mechanic.

🚀 Performance & Optimization

• Memory Management: Introduced an "On-Demand" data loading system. The server now only holds data for online players in RAM, automatically clearing memory upon logout.
• Data Persistence: Critical fix to the saving system. Implemented a security lock that prevents JSON files from being overwritten with empty values, ensuring player progress is never lost.
• Code Refactoring: Optimized ticking systems to significantly reduce CPU overhead on dedicated servers.

⚖️ Balancing & Attributes

• Attribute Costs: The point system has been simplified for player freedom. By default, upgrading attributes like Health and Stamina now costs 1 point, removing the previous level-based cost scaling.

💎 Visuals & UI

• Nameplate Levels: Player levels are now dynamically displayed above their heads next to their username: [Lv. 50] PlayerName.
• Visual Effects: Added high-fidelity particles, lightning strikes, and smoke effects triggered by combat passives.
• Cooldown Notifications: A new visual alert system notifies players when high-impact abilities (such as Crushing Blow or Ghost) are off cooldown and ready for use.

🔧 Bug Fixes

• Memory Leak: Resolved a leak caused by class cooldown maps not being cleared on player disconnect.