{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://stella-ops.org/notify/schemas/rule.schema.json",
  "title": "Notify Rule",
  "type": "object",
  "required": [
    "schema_version",
    "tenant_id",
    "rule_id",
    "name",
    "sources",
    "predicates",
    "actions",
    "approvals_required"
  ],
  "properties": {
    "schema_version": { "type": "string", "pattern": "^v[0-9]+\\.[0-9]+$" },
    "tenant_id": { "type": "string", "minLength": 1 },
    "rule_id": { "type": "string", "pattern": "^[A-Z0-9_-]{4,64}$" },
    "name": { "type": "string", "minLength": 1 },
    "description": { "type": "string" },
    "severity": { "type": "string", "enum": ["info", "low", "medium", "high", "critical"] },
    "sources": { "type": "array", "items": { "type": "string" }, "minItems": 1 },
    "predicates": { "type": "array", "items": { "type": "object" }, "minItems": 1 },
    "actions": {
      "type": "array",
      "items": { "type": "object" },
      "minItems": 1
    },
    "approvals_required": { "type": "integer", "minimum": 0, "maximum": 3 },
    "quiet_hours": { "type": "array", "items": { "type": "string" } },
    "simulation_required": { "type": "boolean", "default": true },
    "created_at": { "type": "string", "format": "date-time" },
    "updated_at": { "type": "string", "format": "date-time" }
  },
  "additionalProperties": false
}