Automate UGC Ad Videos with AI (Full Workflow + System Design)

What this builds An automated pipeline that: generates ad scripts creates voice + video outputs ready-to-use UGC ads Architecture `Input Idea ↓ AI Script Generator ↓ Voice Generation ↓ Video Generation ↓ Editing Layer ↓ Final Output` Step 1 — Script Generation Use LLM (Gemini / GPT) Structure: Hook