Web Shader Extractor Index for WebGL / WebGPU / Canvas rendering investigation and local replay. Start from the target visual. Lock the surface group. Trace source or runtime facts. Build a runnable baseline. Then projectize. Router Contract This file is the index. Do not treat it as the full operating manual. Before task action, read: - - Then load only the focused references needed by the current state. Keep large evidence, captures, and generated outputs out of the conversation. Store them in the user's output directory. Use This For - Extracting a webpage WebGL, WebGPU, Canvas2D, Offscree…