🎿 Complete SnowWorld Narrowcasting System - MBO Challenge 18

✅ Full-stack narrowcasting platform implementation
✅ Real-time WebSocket communication for instant updates
✅ Zone-specific content distribution (reception, restaurant, skislope, lockers, shop)
✅ Professional admin dashboard with content management interface
✅ Beautiful client display with winter/snow theme matching SnowWorld branding
✅ Comprehensive technical documentation and test suite
✅ Docker deployment support with CI/CD pipeline
✅ All system tests passing successfully

🏗️ Technical Implementation:
- Backend: Node.js/Express with SQLite database
- Frontend: Vanilla HTML/CSS/JavaScript (no frameworks)
- Real-time: Socket.io WebSocket communication
- Database: Complete schema with content, schedule, zones, logs tables
- Security: File validation, input sanitization, CORS protection
- Performance: Optimized for fast loading and real-time updates

🚀 Features Delivered:
- Content upload (images, videos) with drag-and-drop interface
- Content scheduling and planning system
- Weather widget with real-time snow information
- Responsive design for all screen sizes
- Comprehensive error handling and fallback mechanisms
- Professional winter theme with snow animations
- Keyboard shortcuts and accessibility features

📁 Project Structure:
- /backend: Complete Node.js server with API and WebSocket
- /admin: Professional admin dashboard interface
- /client: Beautiful client display application
- /deployment: Docker and deployment configurations
- /docs: Comprehensive technical documentation
- /test_system.js: Complete test suite (all tests passing)

🧪 Testing Results:
- Server health: ✅ Online and responsive
- API endpoints: ✅ All endpoints functional
- Database operations: ✅ All operations successful
- WebSocket communication: ✅ Real-time updates working
- Zone distribution: ✅ 6 zones correctly loaded
- Weather integration: ✅ Weather data available

Ready for production deployment at SnowWorld! 🎿❄️

.gitignore

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+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage
+.grunt
+
+# Bower dependency directory
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons
+build/Release
+
+# Dependency directories
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+.env.production
+
+# parcel-bundler cache
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+public
+
+# Storybook build outputs
+.out
+.storybook-out
+
+# Temporary folders
+tmp/
+temp/
+
+# Logs
+logs
+*.log
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Uploaded files (keep structure but not content)
+public/uploads/images/*
+public/uploads/videos/*
+!public/uploads/images/.gitkeep
+!public/uploads/videos/.gitkeep
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Windows
+Desktop.ini
+$RECYCLE.BIN/
+
+# Linux
+.directory