# CLAUDE.md
- Always write production grade code.
- Never introduce a regression.
- Be thorough, consider edge cases.
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5 ways your CLAUDE.md rules quietly fail
Most agent rules read like aspiration. A few read like physics. Five ways a CLAUDE.md instruction breaks, and the one test that tells them apart.
TL;DRAI
Most CLAUDE.md files are 90% aspiration dressed as physics; the five failure modes—vague criteria, missing triggers, context decay, contradictions without precedence, stale references—expose why. A rule holds only when you can answer: what makes it fire, and what catches the violation.
850 words~4 min read
