graph TD A[Input: payments-file & base-url] --> B[SILO 1: Endpoint Code Generation] B --> C[Generate acknowledge_endpoint.py] C --> D[Save acknowledge_endpoint.py] D --> E[SILO 2: Dependency Declaration] E --> F[Generate requirements.txt] F --> G[Save requirements.txt] G --> H[SILO 3: Integrity & Documentation] H --> I[Read both saved files] I --> J[Calculate SHA-256 hashes] J --> K[Generate summary documentation] K --> L[Save 00_README_ENDPOINT_SUMMARY.txt] L --> M[Collect all files] M --> N[Final Output: endpoint-and-reqs bundle] subgraph Code Generation B C D end subgraph Dependencies E F G end subgraph Documentation H I J K L end subgraph Output M N end