Modernize Discord bot to v14 and Node.js 22

Major upgrades and architectural improvements:
- Upgrade Discord.js from v12 to v14.21.0
- Upgrade Node.js from 14 to 22 LTS
- Switch to pnpm package manager
- Complete rewrite with modern Discord API patterns

New Features:
- Hybrid command system: prefix commands + slash commands
- /sfx slash command with autocomplete for sound discovery
- Modern @discordjs/voice integration for audio
- Improved voice connection management
- Enhanced logging for SFX commands
- Multi-stage Docker build for optimized images

Technical Improvements:
- Modular architecture with services and command handlers
- Proper intent management for Discord gateway
- Better error handling and logging
- Hot-reload capability maintained
- Environment variable support
- Optimized Docker container with Alpine Linux

Breaking Changes:
- Moved main entry from index.js to src/index.js
- Updated configuration structure for v14 compatibility
- Replaced deprecated voice APIs with @discordjs/voice
- Updated audio dependencies (opus, ffmpeg)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -1,20 +1,28 @@
 {
   "name": "ghbot",
-  "version": "1.6.9",
+  "version": "2.0.0",
   "description": "",
-  "main": "index.js",
+  "main": "src/index.js",
   "dependencies": {
-    "axios": "^0.21.2",
-    "discord.js": "^12.5.3",
-    "libsodium-wrappers": "^0.7.9",
-    "node-schedule": "^2.0.0",
-    "opusscript": "^0.0.8"
+    "axios": "^1.11.0",
+    "discord.js": "^14.21.0",
+    "@discordjs/voice": "^0.18.0",
+    "@discordjs/opus": "^0.9.0",
+    "opusscript": "^0.1.1",
+    "ffmpeg-static": "^5.2.0",
+    "node-schedule": "^2.1.1",
+    "sodium-native": "^4.3.3"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "nodemon": "^3.1.9"
   },
-  "devDependencies": {},
   "scripts": {
-    "build": "docker build -t ghbot:latest .",
-    "start": "docker run -d --name ghbot ghbot:latest"
+    "start": "node src/index.js",
+    "dev": "nodemon src/index.js",
+    "docker:build": "docker build -t ghbot:${VERSION:-latest} .",
+    "docker:run": "docker run -d --name ghbot --restart always ghbot:${VERSION:-latest}"
   },
-  "author": "",
+  "author": "https://github.com/greenham",
   "license": "MIT"
 }