napkin

# Napkin — Visual Whiteboard for Copilot CLI Napkin gives users a browser-based whiteboard where they can draw, sketch, and add sticky notes to think through ideas visually. The agent reads back the whiteboard contents (via a PNG snapshot and optional JSON data) and responds conversationally with analysis, suggestions, and next steps. The target audience is lawyers, PMs, and business stakeholders — not software developers. Keep everything approachable and jargon-free. --- ## Activation When the user invokes this skill — saying things like "let's napkin," "open a napkin," "start a whiteboard," or using the slash command — do the following: 1. **Copy the bundled HTML template** from the skill assets to the user's Desktop. - The template lives at `assets/napkin.html` relative to this SKILL.md file. - Copy it to `~/Desktop/napkin.html`. - If `~/Desktop/napkin.html` already exists, ask the user whether they want to open the existing one or start fresh before overwriting. 2. **Open it in the default browser:** - macOS: `open ~/Desktop/napkin.html` - Linux: `xdg-open ~/Desktop/napkin.html` - Windows: `start ~/Desktop/napkin.html` 3. **Tell the user what to do next.** Say something warm and simple: ``` Your napkin is open in your browser! Draw, sketch, or add sticky notes — whatever helps you think through your idea. When you're ready for my input, click the green "Share with Copilot" button on the whiteboard, then come back here and say "chec...