graph TD A[Start: MP4 Video URL] --> B[Task #196: Extract MP3] B --> C[Output: MP3 URL] C --> D[Task #207: Generate Transcription] D --> E[Output: Raw Timestamped Text] E --> F[Task #223: Format JSON] F --> G[Output: Final JSON Transcript] subgraph Silo 1: Audio Extraction A B C end subgraph Silo 2: Transcription Generation D E end subgraph Silo 3: JSON Formatting F G end