PR Walkthrough Create a local static HTML/CSS/JavaScript walkthrough that orients a reviewer to the current branch's pull request as four separate interactive D3 views. The walkthrough should help the reviewer understand the affected code and the PR from four distinct views: - System overview view : a concise standalone code overview for the subsystem touched by the PR. It should not feel like a graph. Present it as a small set of expanded component cards that give the reviewer just enough architectural context to get their bearings before reviewing the PR. Do not mention the PR, changed file…