sayanvanish v2

[Syrent]

This PR introduces a comprehensive internal rewrite focused on modernizing the architecture, improving performance, and preparing the project for future scalability. Major improvements include a coroutine-based database layer, a new messaging infrastructure, and a fully modular caching and configuration system with a complete new api.

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Tasks

• Rewrite database layer using Exposed with Kotlin coroutine support
• Implement new messaging service with Redis and WebSocket support for inter-server synchronization
• Add centralized in-memory cache service
• Replace configuration system with kotlinx.serialization and Kaml for comment support
• Restore Bukkit module functionality
• Write unit tests for API module
• Write unit tests for Bukkit module
• Implement a custom event system and think of something for event sync (probably call events using messaging service)
• Restore Velocity module functionality
• Implement new health check and troubleshooting system using the new messaging service
• Rework the update feature
• Add ktlint
• Add license header
• Write KDoc for all classes
• Host a KDoc site
• Write a new wiki using Starlight
• Perform code cleanup and refactoring

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Will Close

This PR will close the following issues:

• [Error] Could not pass event BukkitUserVanishEvent #393
• [Bug] [Performance] Database Calls on Main Thread #381
• Entire server hangs when db access stalls #374
• Update version check problem for release builds #369
• After shutting down the server #396
• "condition" booleans get serialized into configs #397
• LibertyBans conflict #351
• Suggestion: Hide vanished players from all commands (universal method) #400

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Consider for v2

The following issues are being considered for version 2:

• Update player view immediately on permission, access, and level change #353
• ADD BOSSBAR FEATURE #372