graph TD A[Start] --> B[Input Handling] B --> C[Parse MP4 URL] B --> D[Parse Six Timestamps] C --> E[Initialize Screenshot Array] D --> E E --> F[Loop Through Timestamps] F --> G[Call SKILL #202] G --> H[Extract Screenshot at Current Timestamp] H --> I[Save Screenshot URL] I --> J{More Timestamps?} J -->|Yes| F J -->|No| K[Collect All Screenshot URLs] K --> L[Format Output Array] L --> M[Return six-screenshots] M --> N[End]