{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/alphazede/bearing-lite/schemas/event.schema.json",
  "title": "Bearing Lite evidence event",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "event_id",
    "source",
    "journey",
    "repository",
    "unit",
    "candidate_revision",
    "generation",
    "evidence",
    "transition",
    "occurred_at"
  ],
  "properties": {
    "schema_version": { "const": 1 },
    "event_id": { "type": "string", "minLength": 1 },
    "source": { "type": "string", "minLength": 1 },
    "journey": { "type": "string", "minLength": 1 },
    "repository": { "type": "string", "minLength": 1 },
    "unit": {
      "type": "object",
      "additionalProperties": false,
      "required": ["slice"],
      "properties": {
        "wave": { "type": "string", "minLength": 1 },
        "slice": { "type": "string", "minLength": 1 }
      }
    },
    "candidate_revision": { "type": "string", "minLength": 1 },
    "generation": { "type": "integer", "minimum": 0 },
    "evidence": {
      "type": "object",
      "additionalProperties": false,
      "required": ["ref", "sha256"],
      "properties": {
        "ref": { "type": "string", "minLength": 1 },
        "sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
      }
    },
    "transition": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "verdict"],
      "properties": {
        "kind": {
          "enum": ["implementation", "verification", "assurance", "acceptance", "merge", "issue_close"]
        },
        "verdict": { "type": "string", "minLength": 1 }
      }
    },
    "occurred_at": { "type": "string", "format": "date-time" }
  }
}