Guided Demo Pattern Add a self-narrating walkthrough to any HTML/web application. A declarative step array drives a loop that toggles CSS classes on DOM elements and writes text character-by-character into a fixed panel. The engine overlays the existing page without modifying its code. When the demo stops, all state resets. About 100 lines of JS and 30 lines of CSS for the core. Interstitials, speed controls, keyboard shortcuts, and progress bar are optional layering. Before implementing Ask the user these questions (skip any already answered in conversation): 1. What are the sections? Tabs,…