graph TD A[Raw Topic/Style Description] --> B[Prompt Optimization] B --> C[Enhanced Prompt] C --> D[Initial Image Generation] D --> E[Avatar Image URL] E --> F[Image Analysis] F --> G{Quality Check} G -->|Needs Improvement| H[Image Regeneration] H --> E G -->|Passes| I[Image Resizing] I --> J[Final Avatar PNG] subgraph SILO 1 - PROMPT A --> B B --> C end subgraph SILO 2 - GENERATION C --> D D --> E end subgraph SILO 3 - QC E --> F F --> G G --> H end subgraph SILO 4 - FORMAT G --> I I --> J end