🎿 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! 🎿❄️

backend/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "snowworld-narrowcasting-backend",
+  "version": "1.0.0",
+  "description": "Backend server for SnowWorld narrowcasting system",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "nodemon server.js",
+    "test": "jest"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "socket.io": "^4.7.2",
+    "cors": "^2.8.5",
+    "multer": "^1.4.5-lts.1",
+    "sqlite3": "^5.1.6",
+    "uuid": "^9.0.0",
+    "path": "^0.12.7",
+    "fs-extra": "^11.1.1"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.1",
+    "jest": "^29.6.2"
+  },
+  "keywords": ["narrowcasting", "snowworld", "digital-signage"],
+  "author": "SnowWorld Development Team",
+  "license": "MIT"
+}