[
  {
    "name": "lockstep-001-unanimous-commit",
    "description": "All 4 nodes in the cluster agree on the post-frame state hash. The BFT threshold is floor(2n/3)+1 = 3, so 4-of-4 trivially commits. The expected_state_hash is the hash all four nodes reported.",
    "node_count": 4,
    "frame_number": 184237,
    "ordered_transitions": [
      {
        "byte_said": "EBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
        "from_pubkey": "1111111111111111111111111111111111111111111111111111111111111111",
        "to_pubkey":   "3333333333333333333333333333333333333333333333333333333333333333",
        "signature": "44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444"
      },
      {
        "byte_said": "ECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
        "from_pubkey": "3333333333333333333333333333333333333333333333333333333333333333",
        "to_pubkey":   "5555555555555555555555555555555555555555555555555555555555555555",
        "signature": "66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666"
      }
    ],
    "node_hashes": {
      "node_1": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
      "node_2": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
      "node_3": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
      "node_4": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
    },
    "expected_commit": true,
    "expected_state_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
    "expected_dissent": []
  },
  {
    "name": "lockstep-002-supermajority-commit",
    "description": "3 of 4 nodes agree on the post-frame state hash; the 4th node reports a different hash (either Byzantine or simply lagging on input ordering). floor(2*4/3)+1 = 3, threshold met, frame commits at the majority hash. The dissenting node's hash is recorded in the dissent log (spec §14) but does not block commit.",
    "node_count": 4,
    "frame_number": 184238,
    "ordered_transitions": [
      {
        "byte_said": "EBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
        "from_pubkey": "5555555555555555555555555555555555555555555555555555555555555555",
        "to_pubkey":   "7777777777777777777777777777777777777777777777777777777777777777",
        "signature": "88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888"
      }
    ],
    "node_hashes": {
      "node_1": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
      "node_2": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
      "node_3": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
      "node_4": "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
    },
    "expected_commit": true,
    "expected_state_hash": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
    "expected_dissent": [
      {
        "node": "node_4",
        "reported_hash": "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD",
        "majority_hash": "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
        "frame": 184238
      }
    ]
  },
  {
    "name": "lockstep-003-threshold-not-met",
    "description": "Only 2 of 4 nodes agree on a single state hash. floor(2*4/3)+1 = 3, threshold not met, frame does NOT commit. The cluster must re-run input gathering or escalate per spec §13. The expected_state_hash is null because no single hash reached supermajority.",
    "node_count": 4,
    "frame_number": 184239,
    "ordered_transitions": [
      {
        "byte_said": "ECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
        "from_pubkey": "7777777777777777777777777777777777777777777777777777777777777777",
        "to_pubkey":   "9999999999999999999999999999999999999999999999999999999999999999",
        "signature": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
      }
    ],
    "node_hashes": {
      "node_1": "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
      "node_2": "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
      "node_3": "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD",
      "node_4": "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
    },
    "expected_commit": false,
    "expected_state_hash": null,
    "expected_dissent": [
      {
        "node": "node_1",
        "reported_hash": "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
        "majority_hash": null,
        "frame": 184239
      },
      {
        "node": "node_2",
        "reported_hash": "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
        "majority_hash": null,
        "frame": 184239
      },
      {
        "node": "node_3",
        "reported_hash": "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD",
        "majority_hash": null,
        "frame": 184239
      },
      {
        "node": "node_4",
        "reported_hash": "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE",
        "majority_hash": null,
        "frame": 184239
      }
    ]
  }
]