{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://skylattice.dev/schemas/decision.schema.json",
  "title": "SkyLatticeDecision",
  "type": "object",
  "required": ["id", "applies_to", "rationale", "status", "created_at"],
  "additionalProperties": false,
  "properties": {
    "id": {
      "type": "string",
      "description": "Stable decision id, e.g. 2026-07-15-finance-prod-read"
    },
    "applies_to": {
      "type": "string",
      "description": "Intent path or TF address this decision covers."
    },
    "rationale": { "type": "string", "minLength": 1 },
    "alternatives_rejected": {
      "type": "array",
      "items": { "type": "string" },
      "default": []
    },
    "status": {
      "type": "string",
      "enum": ["active", "superseded", "expired"],
      "default": "active"
    },
    "expires_on": {
      "type": ["string", "null"],
      "description": "ISO date when this exception should be revisited."
    },
    "client_constraint": { "type": ["string", "null"] },
    "created_at": { "type": "string" },
    "created_by": { "type": ["string", "null"] },
    "superseded_by": { "type": ["string", "null"] }
  }
}