flowchart TD Start[Input: Niche Topic] --> NRA[NicheResearchAgent] NRA --> |niche_research.json| PGA[PunGeneratorAgent] NRA --> |niche_research.json| IGA[ImageGenerationAgent] PGA --> |puns_output.json| IGA PGA --> |puns_output.json| LTA[LayoutTemplateAgent] IGA --> |generated_images| AA[AssemblyAgent] LTA --> |card_template.yaml| AA AA --> |final_cards| PA[PackagingAgent] PA --> End[Output: birthday_cards_package.zip] subgraph Research NRA end subgraph Content Generation PGA IGA end subgraph Design LTA AA end subgraph Delivery PA end