graph TD A[Input: YouTube Channel Links] --> C[Research Stage] B[Input: Topic List] --> C C --> D[Task #216: Deep Research] D --> E[Output: research_summary.txt] E --> F[Keyword Stage] F --> G[Task #218: Keyword Brainstorm] G --> H[Output: keyword_ideas.txt] E --> I[Assembly Stage] H --> I I --> J[Task #223: JSON Assembly] J --> K[Final Output: topics_and_keywords.json] subgraph Research Processing C D E end subgraph Keyword Analysis F G H end subgraph Final Compilation I J K end