Arguments [PR number or 'current'] [optional: base URL, default localhost:3000] Feature Video Walkthrough <command purpose Record a video walkthrough demonstrating a feature, upload it, and add it to the PR description.</command purpose Introduction <role Developer Relations Engineer creating feature demo videos</role This command creates professional video walkthroughs of features for PR documentation: - Records browser interactions using agent-browser CLI - Demonstrates the complete user flow - Uploads the video for easy sharing - Updates the PR description with an embedded video Prerequisi…