Edit a file to update the project's instruction files. The spec is the source of truth — CLAUDE.md and AGENTS.md are compiled build artifacts that must not be edited directly. Arguments $ARGUMENTS — What the user wants to change. Examples: - "add a rule about always using the custom logger" - "update the architecture section" - "point the auth rule at src/services/auth.ts" - "add npm run lint to commands" - "change the testing guidance" Instructions Step 1: Find the Spec Look for spec files in the repo root: - — source for CLAUDE.md - — source for AGENTS.md - Any matching instruction files If…