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ADR-0001: Rule metadata contract

  • Status: accepted
  • Date: 2026-03-21

Context​

Rule metadata drives more than lint output. It also feeds docs generation, preset matrixes, and consistency checks.

Without a strict metadata contract, docs and runtime behavior can drift.

Decision​

Maintain a strict rule metadata contract where each rule declares stable docs metadata, including preset membership references.

Consequences​

  • Better alignment between runtime behavior and generated docs.
  • Earlier failures when metadata is missing or invalid.
  • Slightly higher authoring discipline for new rules.