A comprehensive auction system that enables secure player-to-player trading through an intuitive GUI interface with full Vault economy integration.

Core Features
Auction System

• Item Listing: Players can auction any item from their inventory with custom pricing
• Time-Based Expiration: Configurable auction duration with automatic expiration handling
• Auction Limits: Configurable maximum active auctions per player
• Broadcast Notifications: Server-wide announcements when new auctions are created

Advanced GUI Interface

• Main Auction House: Browse all active auctions with detailed item information
• Sell Menu: Dedicated interface for creating new auctions with item preview
• Expired Items: Separate menu for reclaiming unsold items
• Confirmation Dialogs: Secure purchase and cancellation confirmation screens
• Visual Design: Professional interface with colored glass panes and clear navigation

Economic Integration

• Vault Economy: Full integration with server economy systems
• Secure Transactions: Automatic money transfers with balance validation
• Price Controls: Configurable minimum/maximum price limits
• Transaction Safety: Complete error handling with automatic rollbacks

Management Features

• Owner Controls: Sellers can cancel their own auctions and reclaim items
• Buyer Protection: Confirmation system prevents accidental purchases
• Automatic Cleanup: Expired auctions are automatically moved to recovery menu
• Real-time Updates: Live auction status updates and notifications

Database & Storage

• SQLite Database: Persistent storage for all auction data
• Item Serialization: Complete preservation of item metadata and enchantments
• Automatic Backups: Regular data saving to prevent loss
• Concurrent Safety: Thread-safe operations for multiple simultaneous users

Audio & Visual Effects

• Sound System: Configurable audio feedback for all player actions
• Visual Feedback: Color-coded messages and interface elements
• Entry/Exit Notifications: Clear indication of auction interactions
• Professional Design: Consistent visual theme throughout all menus

Administrative Tools

• Configuration System: Extensive YAML configuration with live reload
• Permission Management: Granular permissions for different user levels
• Monitoring Tools: Built-in logging and performance optimization
• Multi-World Support: Works across multiple server worlds

Security Features

• Anti-Exploit Protection: Prevents command usage during auction creation
• Input Validation: Strict validation of all user inputs
• Session Management: Secure handling of active auction sessions
• Error Recovery: Automatic item recovery in case of failures