Narrative chaining: AI-generated video scene extensions with Veo3

Structured Setup Guide: Narrative Chaining with N8N + AI 1. Input Setup Use a Google Sheet as the control panel. Fields required: Video URL (starting clip, ends with .mp4) Number of clips to extend (e.g., 2 extra scenes) Aspect ratio (horizontal, vertical, etc.) Model (V3 or V3 Fast) Narrative theme (guidance for story flow) Special requests (scene-by-scene instructions) Status column (e.g., "For Production", "Done") 👉 Example scene inputs: Scene 1: Naruto walks out with ramen is his hands Scene 2: Joker joins with chips 2. Workflow in N8N Step 1: Fetch Input Get rows in sheet → fetch the next row where status = For Production. Clear sheet 2 → reset the sheet that stores generated scenes. E

Help me set up the n8n workflow "Narrative chaining: AI-generated video scene extensions with Veo3" (https://n8n.io/workflows/9145). It uses: Google Sheets, HTTP Request, AI Agent, OpenAI Chat Model, Structured Output Parser, Think Tool. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.