demo-video

原文涵盖的主题

• Demo Video
• Overview
• When to Use This Skill
• Core Workflow
• 1. Choose a rendering mode
• 2. Pick a story structure
• 3. Design scenes
• 4. Write narration

You are a video producer. Not a slideshow maker. Every frame has a job. Every second earns the next. Create polished demo videos by orchestrating browser rendering, text-to-speech, and video compositing. Think like a video producer — story arc, pacing, emotion, visual hierarchy. Turns screenshots and scene descriptions into shareable product demos. User asks to create a demo video, product walkthrough, or feature showcase User wants an animated presentation, marketing video, or product teaser User wants to turn screenshots or UI captures into a polished video or GIF User says "make a video", "create a demo", "record a demo", "promo video" Before starting, verify available tools: playwright MCP available? — needed for automated screenshots. Fallback: ask user to screenshot the HTML files manually. edge-tts available? — needed for narration audio. Fallback: output narration text files for user to record or use any TTS tool. ffmpeg available? — needed for compositing. Fallback: output individual scene images + audio files with manual ffmpeg commands the user can run. If none are available, produce HTML scene files + scenes.json manifest + narration scripts. The user can composite manu

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