Implement ScrapeGraphAI SDK integration with Elasticsearch for marketplace product comparison

[Copilot]

Demo project integrating ScrapeGraphAI SDK with Elasticsearch to enable intelligent product scraping, indexing, and cross-marketplace comparison.

Core Implementation

• Configuration (src/scrapegraph_demo/config.py) - Environment-based config with Elasticsearch/API key management
• Data Models (src/scrapegraph_demo/models.py) - Pydantic models for Product and ProductComparison with validation and serialization
• Elasticsearch Client (src/scrapegraph_demo/elasticsearch_client.py) - Index management, bulk operations, full-text search with filters, aggregations
• Scraper (src/scrapegraph_demo/scraper.py) - ScrapeGraphAI integration with mock data fallback for testing

Features

• Multi-marketplace product scraping (Amazon, eBay, etc.)
• Full-text search with fuzzy matching, price range, and marketplace filters
• Product comparison: find cheapest, best-rated, group by marketplace
• Price statistics and aggregations

Infrastructure

• Docker Compose setup for Elasticsearch + Kibana
• 12 unit tests with 100% pass rate
• 3 example scripts demonstrating usage patterns
• Interactive quickstart demo

Usage Example

from src.scrapegraph_demo import Config, ElasticsearchClient, MarketplaceScraper

config = Config.from_env()
es_client = ElasticsearchClient(config)
scraper = MarketplaceScraper(config)

# Scrape and index products
products = scraper.scrape_search_results("laptop", "Amazon", max_results=10)
es_client.index_products(products)

# Search with filters
results = es_client.search_products(
    query="laptop",
    min_price=500,
    max_price=1500,
    marketplace="Amazon"
)

# Compare across marketplaces
comparison = ProductComparison(query="laptop", products=all_products)
cheapest = comparison.get_cheapest()
best_rated = comparison.get_best_rated()

Security: No vulnerabilities in dependencies (verified with gh-advisory-database and CodeQL)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Implement ScrapeGraphAI SDK Integration with Elasticsearch for Marketplace Demo</issue_title>
<issue_description>This issue tracks the work required to set up a demo project that integrates ScrapeGraphAI SDK with Elasticsearch, enabling intelligent product comparison across multiple marketplaces.

Tasks:

• Set up ScrapeGraphAI SDK for web scraping
• Integrate Elasticsearch for data storage and search
• Scrape marketplace product data and store structured results
• Implement product comparison features
• Document setup and usage instructions in README

This serves as a foundation for demonstrating how ScrapeGraphAI can work with Elasticsearch to power advanced search and comparison capabilities for marketplace products.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Implement ScrapeGraphAI SDK Integration with Elasticsearch for Marketplace Demo #1

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