Visual Feedback Loop Capture, inspect, and compare visual output from a running web app during iterative development. How It Works Agent can't access the browser directly. Server relays: GET triggers → SSE notifies browser → browser captures and POSTs back → GET resolves. Usage Capture current view: Capture with params (app-specific — browser client interprets them): Then read the result. Response includes (timestamped file) and (convenience copy): Visual Regression (pixel diff) Compare against a ground truth screenshot using ImageMagick: RMSE output: = 1% difference (rendering noise), = visi…