Update v9.3.1: Enhanced UX and Environment Configuration

- Incremented version to 9.3.1 (versionCode: 93100)
- Added copy token button in blocked dialog for better UX
- Fixed environment variable configuration for Telegram integration
- Improved clipboard functionality for token sharing
- Enhanced dashboard environment handling with dotenv
- Corrected variable names for Telegram configuration
- Improved error handling for token copy operations

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

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

dashboard/package.json

@@ -11,6 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "axios": "^1.6.7",
+    "dotenv": "^16.4.5",
     "cors": "^2.8.5",
     "express": "^4.18.2",
     "geoip-lite": "^1.4.6",