Plan step 39 (part 5). Tailwind no longer clears its own breakpoint scale anywhere in the stack, so the guard's rationale changes from "a leftover sm: compiles to nothing" to "a browser drops the invalid class or wrong-width rule just as silently" — the scans themselves already worked over plain files and needed no change. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9