graph TD A[Start DataExtractor] --> B[Receive Product URL] B --> C[Parse URL Domain] C --> D{Is Amazon URL?} C --> E{Is Etsy URL?} D -->|Yes| F[Apply Amazon HTML Parser] E -->|Yes| G[Apply Etsy HTML Parser] F --> H[Extract Title] F --> I[Extract Bullet Points] F --> J[Extract Description] F --> K[Extract Main Image URL] G --> L[Extract Title] G --> M[Extract Bullet Points] G --> N[Extract Description] G --> O[Extract Main Image URL] H --> P[Structure Data] I --> P J --> P K --> P L --> P M --> P N --> P O --> P P --> Q[Format JSON Output] Q --> R[Validate Data Completeness] R --> S{Data Complete?} S -->|No| T[Log Error] S -->|Yes| U[Return Structured Data] T --> V[Request Manual Review] U --> W[End DataExtractor]