Capture and analyze Chrome/Chromium performance traces with Playwright around a concrete browser interaction. Use when Codex needs to answer where frame time is spent during an update, drag, rotation, scroll, animation, camera movement, light movement, DOM/CSS render change, or other performance-sensitive UI action…
Use when hunting for OBJ/GLB/glTF/VOX parser compatibility issues by streaming candidate models, parsing each immediately, deleting clean files, and retaining only actionable failures, unknown warnings, or unexplained zero-polygon outputs. Especially useful in the polycss repo with scripts/compat-hunter.mjs.
Build PolyCSS scenes that render 3D meshes, primitive shapes, or custom polygons as DOM/CSS polygon elements. Use when asked to create, port, debug, or explain PolyCSS code in vanilla JavaScript, React, or Vue.
Analyze a poster or layout design image to detect its underlying grid system and export grid guide overlays. Use when the user wants to (1) identify the layout grid of a poster/design image (Swiss modular, N-column, asymmetric, baseline, golden ratio, rule of thirds, diagonal, radial, freeform, etc.), (2) get detected…