graph TD Start[Start: Receive Category & Timeframe] --> Oracle[Oracle Ask Question] Oracle --> ParseURLs[Parse URLs from Oracle Response] ParseURLs --> ValidateURLs{Valid URLs Found?} ValidateURLs -->|No| ErrorHandler[Handle Error: No Valid URLs] ValidateURLs -->|Yes| InitCrawl[Initialize URL Crawling] InitCrawl --> CrawlLoop[For Each Valid URL] CrawlLoop --> Crawl[Crawl Amazon URL] Crawl --> ExtractData[Extract Product Data] ExtractData --> MoreURLs{More URLs?} MoreURLs -->|Yes| CrawlLoop MoreURLs -->|No| MergeData[Merge All Extracted Data] MergeData --> FilterInit[Initialize Filtering] FilterInit --> ReviewFilter[Filter: Remove <3 Reviews] ReviewFilter --> PolicyFilter[Filter: Remove Policy Violations] PolicyFilter --> ValidateOutput{Valid Listings Remain?} ValidateOutput -->|No| ErrorHandler ValidateOutput -->|Yes| FormatOutput[Format Final Output] FormatOutput --> End[End: Return filtered-product-listings] ErrorHandler --> End subgraph Skills Oracle Crawl FilterInit end