{
  "description": "Dependency-boundary rule for the EPPP workspace. Enforced by tests/architecture-import.test.mjs. Groups classify workspace packages by directory; boundaries declare which from-group -> to-group import edges are forbidden.",
  "groups": {
    "apps": { "path": "apps/" },
    "packages": { "path": "packages/" },
    "extensions": { "path": "extensions/" }
  },
  "boundaries": [
    {
      "from": "packages",
      "to": "extensions",
      "allow": false,
      "reason": "Core packages must not import concrete extensions. Core depends only on extension contracts (abstract APIs); concrete extensions are wired in by the app layer."
    }
  ]
}