graph TD A[Keywords Raw CSV Input] --> B[SILO 1: Retrieve SEO Metrics] B --> C[Use LLM to Generate Metrics] C --> D[Search Volume Estimation] C --> E[Competition Score Calculation] D --> F[SILO 2: Generate CSV] E --> F F --> G[Format Data] G --> H[Create CSV Structure] H --> I[Write Final Output] I --> J[keywords_with_metrics.csv] subgraph Metrics Generation C --> D C --> E end subgraph CSV Creation F --> G G --> H H --> I end style A fill:#f9f,stroke:#333 style J fill:#9f9,stroke:#333