graph TD A[Start] --> B[Receive MP4 URL] B --> C[Get Full Transcription] C --> D[Extract Key Timestamps] D --> E[Parse Into Six Steps] E --> F[Structure Output] F --> G[Return Six Steps List] G --> H[End] subgraph Input B end subgraph Processing C D E F end subgraph Output G end style A fill:#f9f,stroke:#333 style H fill:#f9f,stroke:#333 style B fill:#bbf,stroke:#333 style C fill:#ddd,stroke:#333 style D fill:#ddd,stroke:#333 style E fill:#ddd,stroke:#333 style F fill:#ddd,stroke:#333 style G fill:#bfb,stroke:#333