Viral video creator: Fal.ai AI videos → TikTok, YouTube & Instagram automation

[ "Section: Input and Ideation", "Trigger: Start Daily Content Generation", "AI Agent: Generate Creative Video Idea", "Tool: Inject Creative Perspective (Idea)", "LLM: Generate Raw Idea (GPT-4.1)", "Parse AI Output (Idea, Environment, Sound)", "Save Idea & Metadata to Google Sheets", "AI Agent: Generate Detailed Video Prompts", "LLM: Draft Video Prompt Details (GPT-4.1)", "Tool: Refine and Validate Prompts", "Parse Structured Video Prompt Output", "Parse Scene Prompts into Individual Items", "Generate Video Clips (Wavespeed AI)", "Generate ASMR Sound (Fal AI)", "Extract Video URL from Generation Response", "Merge Clips into Final Video (Fal AI)", "Wait for Video Processing (20s)", "Save Final Video URL to Sheets", "Configure Social Media Account IDs", "Retrieve Final Video Data", "Upload Video to Blotato", "Publish to Instagram", "Publish to TikTok", "Check if Video Generation Complete", "Wait for Video Generation (20s)", "Poll Video Generation Status", "Build Video Status Check URL", "Fetch Generated Video from Fal.ai Queue", "Fetch Final Merged Video from Fal.ai", "Check if Sound Generation Complete", "Wait for Sound Generation (20s)", "Check if Merge Complete", "Poll Sound Generation Status", "Fetch Generated Audio from Fal.ai Queue", "Poll Merge Status", "Section: Video Creation", "Section: Sound Creation", "Section: Merge Video and Sound", "Section: Social Media Publishing" ]