graph TD A[Start VideoAssemblerAI] --> B{Check Parameters} B --> |Short-Form Only| C[Short-Form Silo] B --> |Both Formats| D[Both Silos] C --> E[Input: voice_over.mp3] C --> F[Input: short_form_script.txt] E & F --> G[Task #201: Generate Base Vertical] G --> H[Output: base_short_form.mp4] H --> I{Stock Footage?} I --> |Yes| J[Task #205: Get Vertical Stock] J --> K[Task #199: Combine Footage] I --> |No| L[Skip Stock Footage] L --> M[final_short_form.mp4] K --> M D --> N[Long-Form Branch] N --> O[Input: long_form_voiceover.mp3] N --> P[Input: long_form_script.txt] O & P --> Q[Task #200: Generate Base Horizontal] Q --> R[Output: base_long_form.mp4] R --> S{Stock Footage?} S --> |Yes| T[Task #204: Get Horizontal Stock] T --> U[Task #199: Combine Footage] S --> |No| V[Skip Stock Footage] V --> W[final_long_form.mp4] U --> W M --> X[Task #223: Generate Summary] W --> X X --> Y[Output: video_assembly_summary.json] Y --> Z[End VideoAssemblerAI]