Design and build Canvely's responsive design editor from the frozen prompt, rules, document data, and requirements, including zoom around the pointer, shape-accurate selection, snapping, rotated resize, groups, and undo history without a canvas, drag-and-drop, or geometry library.
Difficulty: Hardweb-app
An exact model and reasoning setting per Configuration and no subagents, but no shared sandbox: Codex used its own, and Claude Code and OpenCode had none until 2026-09-24. Runs are compared only within one protocol. How the protocols differ
workflow-subscription-v2. Results of another protocol are not shown in their place, because Runs are compared only within one protocol. Pick another protocol above, or read how the protocols differ.