{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "rstack.dev/evidence/v1alpha1",
  "title": "RStack evidence ledger event (one line of evidence.jsonl)",
  "description": "One JSON line of .rstack/runs/<run_id>/evidence.jsonl. Derived from validateEvidenceEvent / EVIDENCE_REQUIRED_FIELDS / EVIDENCE_STATUSES in src/core/harness/evidence.js. Readers are tolerant (#294): a corrupt line is skipped, and well-formed JSON that fails this schema is filtered out by readEvidenceEvents.",
  "type": "object",
  "required": ["task_id", "kind", "status", "evidence"],
  "properties": {
    "ts": {
      "type": "string",
      "description": "ISO-8601 timestamp stamped by appendEvidenceEvent at write time."
    },
    "task_id": {
      "type": "string",
      "description": "Task the evidence belongs to."
    },
    "kind": {
      "type": "string",
      "description": "Evidence kind, e.g. 'validation', 'command', 'artifact'. Free-form by design — the code does not enumerate kinds."
    },
    "status": {
      "type": "string",
      "enum": ["PASS", "FAIL", "BLOCKED", "INFO"],
      "description": "EVIDENCE_STATUSES."
    },
    "evidence": {
      "description": "The proof itself — a path, a command, or a structured payload. The code requires presence, not a shape."
    }
  },
  "additionalProperties": true
}