[
  {
    "harness_version": 1,
    "edge": "E3b",
    "app": "bookstack",
    "note": "AUTHORED step: engine half alone",
    "from": {
      "bookstack": "lscr.io/linuxserver/bookstack:26.05.2",
      "bookstack-db": "mariadb:11.6"
    },
    "to": {
      "bookstack": "lscr.io/linuxserver/bookstack:26.05.2",
      "bookstack-db": "mariadb:12.3"
    },
    "verdict": "proven",
    "seed_read_before": true,
    "seed_read_after": true,
    "healthy_after": true,
    "migration_observed": "bookstack-db  | 2026-09-06 17:37:09+02:00 [Note] [Entrypoint]: MariaDB upgrade (mariadb-upgrade or creating healthcheck users) required, but skipped due to $MARIADB_AUTO_UPGRADE setting",
    "abort": "starts-and-serves",
    "abort_detail": null,
    "engine_state_after": {
      "bookstack-db": {
        "image": "mariadb:12.3",
        "probe": "datadir version | the engine's own upgrade verdict",
        "answer": "11.6.2-MariaDB| Major version upgrade detected from 11.6.2-MariaDB to 12.3.3-MariaDB. Check required! [exit=0]",
        "probe_rc": 0
      }
    },
    "duration_s": 0.2,
    "measured_at": "2026-09-06T15:37:22Z",
    "evidence": "evidence/E3b",
    "total_s": 49.0
  }
]