Run a local Architecture pass on the code that just changed — read the diff as a design, decide which concerns deserve their own module, who owns each piece of state, and which way data flows, then restructure the changed code to match without changing behavior, verify it, and record the result.
Install
npx skills add StepenkoAnatoli/Fetchproof --skill architecture-passnpx skills add StepenkoAnatoli/Fetchproof --skill architecture-pass -a claude-code -gnpx skills add StepenkoAnatoli/Fetchproof --skill architecture-pass -a codex -ggemini skills install https://github.com/StepenkoAnatoli/Fetchproof.git --path fetchproof/skills/architecture-passgh skill install StepenkoAnatoli/Fetchproof architecture-passgit clone --depth 1 https://github.com/StepenkoAnatoli/Fetchproof /tmp/StepenkoAnatoli__Fetchproof
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/architecture-pass ~/.claude/skills/architecture-pass # Claude Code
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/architecture-pass ~/.agents/skills/architecture-pass # Codex, Cursor, Gemini CLI, Copilot, OpenCode