id: sdlc/env-parity-matrix
name: Deployment environment has Tech Stack Parity Matrix
description: Environment template must show matching tech stacks across dev/staging/prod (Factor X)
severity: warn
applies-to:
  glob: "**/deployment-environment*.md"
checks:
  - type: pattern-match
    pattern: "Tech Stack Parity|Parity Matrix|Parity Status"