/flipbook Command

<objective> Run the flipbook image viewer server in the background and open browser to view images.

Flipbook provides a browser-based interface for viewing and annotating images. </objective>

<process> 1. Parse user arguments to check if a port was specified with `-p` or `--port` 2. If no port specified, find an available port starting from 8080: - Check if port is in use: `lsof -i :PORT` - If in use, try next port (8081, 8082, etc.) 3. Start flipbook server in background with the available port: - Run: `python3 -m flipbook $ARGUMENTS -p PORT &` - Use Bash tool with `run_in_background: true` 4. Wait briefly for server to start (1-2 seconds) 5. Open browser to `http://127.0.0.1:PORT`: - macOS: `open http://127.0.0.1:PORT` 6. Report the server URL and background process info to user

Note: If user already specified -p or --port in their arguments, use that port and don't search for available ports. </process>

<success_criteria>

• Available port found (or user-specified port used)
• Flipbook server starts in background
• Browser opens to correct URL
• User informed of URL and how to stop the server </success_criteria>