{
  "candidate": "acdc97ff851f67aff931750d8dde96ae0bfaacd0",
  "classification": "Post-publication ten-year append at native ROW reuse candidate. Failed first attempts retained even when retry converges; not Phase 2 or G04 acceptance. Diagnostic counters absent in v7 remain null.",
  "runs": [
    {
      "version": "v6",
      "status": "fail",
      "functionProfiling": "all (recorded by worker instrumentation)",
      "startedAt": "2026-09-11T12:03:15.023Z",
      "finishedAt": "2026-09-11T12:05:47.727Z",
      "executedScenarios": [
        "today_append"
      ],
      "unexecuted": "Eight later scenarios, full replay, one- and four-year profiles",
      "generation": {
        "before": 2609,
        "after": 2610,
        "applied": 2610
      },
      "factsUnchanged": true,
      "recovery": {
        "status": "fail",
        "convergence": "pass",
        "failures": 1,
        "wallMs": 151233.4098,
        "samples": [
          {
            "stage": "claim",
            "status": "claimed",
            "serverMs": 4.382,
            "errorCode": null
          },
          {
            "stage": "compute",
            "status": "failed",
            "serverMs": 60263.575,
            "errorCode": "57014"
          },
          {
            "stage": "claim",
            "status": "claimed",
            "serverMs": 6.67,
            "errorCode": null
          },
          {
            "stage": "compute",
            "status": "computed",
            "serverMs": 59369.544,
            "errorCode": null
          },
          {
            "stage": "publish",
            "status": "completed",
            "serverMs": 1128.675,
            "errorCode": null
          }
        ]
      }
    },
    {
      "version": "v7",
      "status": "fail",
      "functionProfiling": "none",
      "startedAt": "2026-09-11T12:13:28.342Z",
      "finishedAt": "2026-09-11T12:16:00.725Z",
      "executedScenarios": [
        "today_append"
      ],
      "unexecuted": "Eight later scenarios, full replay, one- and four-year profiles",
      "generation": {
        "before": 2609,
        "after": 2610,
        "applied": 2610
      },
      "factsUnchanged": true,
      "recovery": {
        "status": "fail",
        "convergence": "pass",
        "failures": 1,
        "wallMs": 150842.0966,
        "samples": [
          {
            "stage": "claim",
            "status": "claimed",
            "serverMs": 3.466,
            "errorCode": null
          },
          {
            "stage": "compute",
            "status": "failed",
            "serverMs": 60241.177,
            "errorCode": "57014"
          },
          {
            "stage": "claim",
            "status": "claimed",
            "serverMs": 4.538,
            "errorCode": null
          },
          {
            "stage": "compute",
            "status": "computed",
            "serverMs": 58622.603,
            "errorCode": null
          },
          {
            "stage": "publish",
            "status": "completed",
            "serverMs": 1080.79,
            "errorCode": null
          }
        ]
      }
    }
  ],
  "artifacts": [
    {
      "source": "r04-results/postsave-history-v6/history-10y/public-delta.json",
      "sourceSha256": "659abb3e6721ea85ae8fc2de5951a1ce8a63d5b4e7b8b58e1c515a3f991330a4",
      "published": "v6-history-10y-public-delta.json.gz",
      "publishedSha256": "a5d8d39b1505f07e279ccea521bd95e3001531bf54970cf183b9b2b3576d97b7",
      "compressedSha256": "d2ac95abf16fd7b71e3598e38f27d90973a0c1ca9f78991461390643958121cb"
    },
    {
      "source": "r04-results/postsave-history-v7/history-10y/public-delta.json",
      "sourceSha256": "8f7d13303ed808b3b0373476130fa02d4ffdd09c1a27709de73133dffe740e59",
      "published": "v7-history-10y-public-delta.json.gz",
      "publishedSha256": "ca16459996f050b0a8e4454d8815f177dbf534f70e9d9810eaee9b523dd1cf14",
      "compressedSha256": "92814146640446acca80f3ed260e51197bd3bb41f58b01e061f0774be295d063"
    }
  ],
  "stageDiagnostic": {
    "sourceSha256": "ff3abebaff9dea11f64a59cfc3a2444c52c638c592917c4aee00c6d6a0ffcc9a",
    "definitionSha256": "56b4a0a63e666cc20d66085f40eb2bcb5f4b463184bf5722ab71733d8fd03167",
    "method": "Rollback-only next-save diagnostic on settled v7 ten-year fixture. Sparse stage notices plus exception context, original 3/60 second limits, track_functions=none. Not a committed latency sample.",
    "restored": true,
    "status": "diagnostic-complete",
    "computeMs": 58985,
    "notices": [
      "NOTICE:  R04_TABLE user_exercise_set_observations elapsed_ms 1.312000",
      "NOTICE:  R04_TABLE user_exercise_session_rollups elapsed_ms 181.297000",
      "NOTICE:  R04_TABLE user_exercise_records elapsed_ms 236.102000",
      "NOTICE:  R04_TABLE user_exercise_stats elapsed_ms 279.735000",
      "NOTICE:  R04_TABLE user_exercise_period_stats elapsed_ms 284.496000",
      "NOTICE:  R04_TABLE user_exercise_pr_events elapsed_ms 408.644000",
      "NOTICE:  R04_TABLE user_exercise_pr_states elapsed_ms 416.046000",
      "NOTICE:  R04_TABLE user_exercise_strength_observations elapsed_ms 419.480000",
      "NOTICE:  R04_TABLE user_exercise_strength_daily elapsed_ms 684.565000",
      "NOTICE:  R04_TABLE user_exercise_strength_states elapsed_ms 705.662000",
      "NOTICE:  R04_TABLE user_exercise_set_score_states elapsed_ms 709.599000",
      "NOTICE:  R04_TABLE user_exercise_max_rep_observations elapsed_ms 711.166000",
      "NOTICE:  R04_TABLE user_training_period_stats elapsed_ms 781.711000",
      "NOTICE:  R04_TABLE user_calendar_day_summaries elapsed_ms 800.452000",
      "NOTICE:  R04_TABLE user_calendar_summary_dirty_dates elapsed_ms 811.890000",
      "NOTICE:  R04_TABLE user_pr_overview_snapshot_headers elapsed_ms 813.186000",
      "NOTICE:  R04_TABLE user_pr_exercise_summary_snapshots elapsed_ms 815.750000",
      "NOTICE:  R04_TABLE user_pr_overview_rollover_state elapsed_ms 820.874000",
      "NOTICE:  R04_TABLE user_stats_sequential_days elapsed_ms 823.145000",
      "NOTICE:  R04_PROJECTORS_START elapsed_ms 885.880000",
      "NOTICE:  R04_TABLE user_exercise_set_observations elapsed_ms 56672.830000",
      "NOTICE:  R04_TABLE user_exercise_session_rollups elapsed_ms 57128.760000",
      "NOTICE:  R04_TABLE user_exercise_records elapsed_ms 57239.394000",
      "NOTICE:  R04_TABLE user_exercise_stats elapsed_ms 57328.389000",
      "NOTICE:  R04_TABLE user_exercise_period_stats elapsed_ms 57329.866000",
      "NOTICE:  R04_TABLE user_exercise_pr_events elapsed_ms 57890.837000",
      "NOTICE:  R04_TABLE user_exercise_pr_states elapsed_ms 57892.196000",
      "NOTICE:  R04_TABLE user_exercise_strength_observations elapsed_ms 57893.173000",
      "NOTICE:  R04_TABLE user_exercise_strength_daily elapsed_ms 58476.534000",
      "NOTICE:  R04_TABLE user_exercise_strength_states elapsed_ms 58572.048000",
      "NOTICE:  R04_TABLE user_exercise_set_score_states elapsed_ms 58574.282000",
      "NOTICE:  R04_TABLE user_exercise_max_rep_observations elapsed_ms 58575.773000",
      "NOTICE:  R04_TABLE user_training_period_stats elapsed_ms 58722.754000",
      "NOTICE:  R04_TABLE user_calendar_day_summaries elapsed_ms 58761.677000",
      "NOTICE:  R04_TABLE user_calendar_summary_dirty_dates elapsed_ms 58798.019000",
      "NOTICE:  R04_TABLE user_pr_overview_snapshot_headers elapsed_ms 58798.529000",
      "NOTICE:  R04_TABLE user_pr_exercise_summary_snapshots elapsed_ms 58799.717000",
      "NOTICE:  R04_TABLE user_pr_overview_rollover_state elapsed_ms 58803.248000",
      "NOTICE:  R04_TABLE user_stats_sequential_days elapsed_ms 58804.211000"
    ],
    "limitation": "Sparse rollback diagnostic completed; it did not reproduce the first-attempt timeout and does not establish a failing SQL statement."
  }
}