feat: Implement Walmart scraper and integrate with existing architecture

- Added Walmart scraper to scrape product data from Walmart.com, including category pages and product details.
- Introduced a stealth browser module to handle bot protection and improve scraping reliability.
- Created a SQLite database for tracking product history, price changes, stock events, and user favorites.
- Developed a Discord bot for user interaction, allowing location setting and stock checking at local stores.
- Implemented a favorites system to manage priority products and categories with custom notification settings.
- Added news aggregation module to fetch and analyze Pokemon TCG news from various sources.
- Created tools for API discovery and monitoring, including a backend monitor for detecting new products.
- Added unit tests for database operations, product filtering, and API endpoints to ensure functionality.
- Enhanced existing modules with improved error handling and logging for better maintainability.

dashboard/app.py

@@ -0,0 +1,77 @@
+"""
+Flask dashboard for Pokemon Stock Monitor.
+Provides web UI for stats visualization and favorites management.
+"""
+
+import os
+import sys
+from pathlib import Path
+
+# Add parent directory to path for imports
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from flask import Flask, render_template, jsonify, request
+from flask_cors import CORS
+
+from src.database import get_database
+from src.favorites import get_favorites_manager
+from .api import api_bp
+
+# Create Flask app
+app = Flask(__name__)
+CORS(app)
+
+# Register API blueprint
+app.register_blueprint(api_bp, url_prefix='/api')
+
+
+@app.route('/')
+def dashboard():
+    """Main dashboard page"""
+    return render_template('index.html')
+
+
+@app.route('/products')
+def products_page():
+    """Products listing page"""
+    return render_template('index.html', page='products')
+
+
+@app.route('/news')
+def news_page():
+    """News aggregation page"""
+    return render_template('index.html', page='news')
+
+
+@app.route('/analytics')
+def analytics_page():
+    """Analytics page"""
+    return render_template('index.html', page='analytics')
+
+
+@app.route('/favorites')
+def favorites_page():
+    """Favorites management page"""
+    return render_template('index.html', page='favorites')
+
+
+@app.route('/settings')
+def settings_page():
+    """Settings page"""
+    return render_template('index.html', page='settings')
+
+
+@app.route('/users')
+def users_page():
+    """Users management page"""
+    return render_template('index.html', page='users')
+
+
+def run_dashboard(host: str = '0.0.0.0', port: int = 5000, debug: bool = False):
+    """Run the dashboard server"""
+    print(f"Starting Pokemon Stock Monitor Dashboard on http://{host}:{port}")
+    app.run(host=host, port=port, debug=debug, threaded=True)
+
+
+if __name__ == '__main__':
+    run_dashboard(debug=True)