Use when reporting that a piece of software work is finished. Makes the agent report what it watched happen in logs, data or on a real device, and say exactly what it could not check, instead of calling work done because tests pass.
Install
npx skills add Bubblegunn/product-engineer --skill done-means-observednpx skills add Bubblegunn/product-engineer --skill done-means-observed -a claude-code -gnpx skills add Bubblegunn/product-engineer --skill done-means-observed -a codex -ggemini skills install https://github.com/Bubblegunn/product-engineer.git --path skills/done-means-observedgh skill install Bubblegunn/product-engineer done-means-observedgit clone --depth 1 https://github.com/Bubblegunn/product-engineer /tmp/Bubblegunn__product-engineer
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Bubblegunn__product-engineer/skills/done-means-observed ~/.claude/skills/done-means-observed # Claude Code
cp -R /tmp/Bubblegunn__product-engineer/skills/done-means-observed ~/.agents/skills/done-means-observed # Codex, Cursor, Gemini CLI, Copilot, OpenCode