{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://hunter-harness.dev/contracts/ci-metrics.schema.json",
  "title": "Hunter Harness CI Metrics",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schemaVersion",
    "runner",
    "source",
    "suites",
    "passed",
    "failed",
    "skipped",
    "setupErrors",
    "durationMs",
    "headSha"
  ],
  "properties": {
    "schemaVersion": { "const": 1 },
    "runner": { "enum": ["junit", "vitest", "playwright"] },
    "source": { "type": ["string", "null"] },
    "suites": { "type": ["integer", "null"], "minimum": 0 },
    "passed": { "type": ["integer", "null"], "minimum": 0 },
    "failed": { "type": ["integer", "null"], "minimum": 0 },
    "skipped": { "type": ["integer", "null"], "minimum": 0 },
    "setupErrors": { "type": ["integer", "null"], "minimum": 0 },
    "durationMs": { "type": ["integer", "null"], "minimum": 0 },
    "headSha": {
      "anyOf": [
        { "type": "null" },
        { "type": "string", "pattern": "^[0-9a-f]{40}([0-9a-f]{24})?$" }
      ]
    }
  }
}