{
  "status": "FAIL",
  "mode": "load-and-return",
  "trial_system": "/nix/store/fm8136gg0mfqywdz0hqnxlr8kq2wqflr-nixos-system-nixos-26.11.20260919.20b1ddd",
  "normal_system": "/nix/store/gnr36q39hmy4pq7ipwac1r1rpfbyqxd4-nixos-system-nixos-26.11.20260919.20b1ddd",
  "loads": [],
  "persistent_boot_selection_changed": false,
  "vector_execution_verified": false,
  "error": "staged trial preflight did not pass"
}