Comparing Branches Visually

Create a visual before/after comparison of UI changes between two branches.

Workflow

1. Set Up Two Worktrees

Use best-of-n-runner subagents or git worktrees to run both branches simultaneously:

# Create a worktree for the base branch
git worktree add /tmp/branch-compare-base main

# The current working directory has the feature branch

2. Start Both Servers