Predict-before-reveal tutor inside your Claude Code / Codex session: after AI writes your code, it picks the one decision you can't explain, makes you guess why, then teaches the why on your own code.
1 file for Codex and OpenCode: shadow-tutor AGENTS.md — 796 tokens loaded in every session.
AGENTS.md A 796 tok These files are lzfxxx/shadow-tutor's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.