under200

Enforce NASA-style "Power of Ten" software engineering discipline on any code being written or modified, with a hard guideline that no source file exceeds 200 lines so a reviewer can read it top-to-bottom in one editor screen without jumping around. Use this skill whenever writing new source files, refactoring existing ones, reviewing code, splitting modules, or setting up a new project — even if the user does not explicitly say "under 200" or "NASA". If the user mentions file length, file size, "this file is too long", complexity, readability, code-review friendliness, or asks to set up linters/formatters/CI, apply this skill. Also apply proactively whenever any source f…