{
    "contract_id": "execution_ledger_contract",
    "version": "v1.0",
    "status": "PASS",
    "created_at": "2026-06-11T22:11:16+00:00",
    "store": "/home/yeff/public_html/devon/canon/execution/state/execution_ledger.jsonl",
    "endpoint": "/home/yeff/public_html/devon/canon/execution/ui/ledger.php",
    "mode": "append_only_jsonl",
    "auth": {
        "required": true,
        "cookie": "DEVON_EXECUTION_CONSOLE",
        "unauthenticated_status": "AUTH_REQUIRED"
    },
    "event_schema": {
        "event_id": "generated",
        "contract_id": "execution_ledger_event",
        "version": "v1.0",
        "action": "non_empty_string",
        "target": "non_empty_string",
        "status": [
            "PASS",
            "FAIL",
            "MISSING"
        ],
        "evidence_path": "string optional",
        "summary": "string optional",
        "created_at": "UTC ISO-8601"
    },
    "validation": [
        "append event creates durable row",
        "event row includes event_id action target status evidence_path created_at",
        "unauthenticated endpoint returns AUTH_REQUIRED",
        "PHP lint passes"
    ]
}