MR-9 — Don't invent invariants

A subagent (or a human in agent mode) must not propose a new invariant without a spec citation or an explicit human ratification. The bootstrap prompt enforces this for the initial set; the planner enforces it for new ones surfaced mid-project.

The signal that you’re inventing: you can’t point to a line in docs/spec/ or a sentence the human said in conversation that the invariant ratifies. If you can’t, it’s not an invariant — it might be a convention (which goes in CLAUDE.md “Conventions specific to this repo”) or a style preference (which goes in .editorconfig or similar).

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