graph TD
A[Start] --> B[Receive Avatar Description]
B --> C[Create Dalle Image]
C --> D[Generate 1024x1024 PNG]
D --> E[Add Transparent Background]
E --> F[Return Image URL]
F --> G[End]
style A fill:#f9f,stroke:#333,stroke-width:2px
style G fill:#f9f,stroke:#333,stroke-width:2px
style C fill:#bbf,stroke:#333,stroke-width:2px
style D fill:#bbf,stroke:#333,stroke-width:2px
style E fill:#bbf,stroke:#333,stroke-width:2px