{
  "workload": "P3-S25.1AR",
  "chunks": [
    738,
    759
  ],
  "session": {
    "session_start_utc": "2026-09-06T07:30:00Z",
    "workload_start_utc": "2026-09-06T07:47:36.982224+00:00",
    "workload_end_utc": "2026-09-06T08:03:40.179585+00:00",
    "session_end_utc": "2026-09-06T08:20:00Z",
    "workload_elapsed_seconds": 966,
    "session_elapsed_seconds": 3000,
    "session_non_workload_seconds": 2034
  },
  "resources": {
    "logical_processors": 24,
    "requested_worker_processes": 24,
    "actual_worker_processes": 22,
    "non_empty_workers": 22,
    "ram_total_bytes": 51468738560,
    "ram_available_before_bytes": 38896832512,
    "aggregate_worker_rss": 2332266496,
    "coordinator_rss": 35950592,
    "worker_imbalance": 1.0667,
    "dispatch_spawn_seconds": 19.1987,
    "parallel_span_seconds": 15.8387,
    "merge_seconds": 0.1105
  },
  "efficiency": {
    "command_failures": 0,
    "edit_primary_failures": 0,
    "edit_fallbacks": 1,
    "edit_repeats": 0,
    "script_corrections": 1,
    "validation_corrections": 0,
    "non_routine_interventions": 2,
    "necessary_interventions": 1,
    "avoidable_interventions": 1
  },
  "token_telemetry": {
    "input": "UNAVAILABLE",
    "output": "UNAVAILABLE",
    "total": "UNAVAILABLE"
  },
  "interventions": [
    {
      "trigger": "Preparation subagent (task 20260906_5) ran 17 min / 10533 turns without creating the prep file (inefficient re-reads of large files).",
      "observed_evidence": "s251_prep_wl45.py not created; subagent was still rewriting its transform script.",
      "finding": "Delegating the mechanical prep derivation to a subagent was inefficient and not converging.",
      "decision_basis": "Cancel the subagent and derive the AR prep script directly under the coordinator's control (deterministic patcher with count assertions).",
      "action": "Cancelled subagent; copied s251_prep_wl44.py to s251_prep_wl45.py; wrote scratch/s251_patch_wl45_prep.py (ordered, count-asserted replacements); patched and syntax-checked.",
      "result": "AR prep script produced and ran; qualification QUALIFIED (0 checks failed).",
      "state_impact": "None beyond intended prep artifact in scratch.",
      "authorization_status": "authorized",
      "necessary_or_avoidable": "avoidable"
    },
    {
      "trigger": "Prep qualification failed once: stale_scan_clean reported {'715': 1}.",
      "observed_evidence": "The candidate output contains one bare '715' which is a substring of the legitimate checkpoint sha a783787feafbe3bff224cb9a671ab345b71514a8a3b1d1a06d368ed94f6913b1 ('...b7151...').",
      "finding": "The bare-digit stale anchors '716','715' (carried from the AQ prep which used '694','693') false-positive on the AR checkpoint SHA because it contains '715'. Not a workload/canonical-logic defect.",
      "decision_basis": "Minimal deterministic correction of the disposable prep script's STALE_ANCHORS: drop the bare '716','715' entries (the specific anchors CHK715/chunk715/CHUNK 715/chunk 715/CHUNK 716/chunk 716/next_chunk 716/716 / byte already cover all meaningful stale references). Canonical parser/algorithm/aggregator unchanged.",
      "action": "Edited scratch/s251_prep_wl45.py STALE_ANCHORS to remove the bare-digit line; re-ran prep.",
      "result": "Re-run PREPARATION_QUALIFICATION = QUALIFIED, checks FAILED: 0.",
      "state_impact": "None beyond the disposable scratch prep script.",
      "authorization_status": "authorized",
      "necessary_or_avoidable": "necessary"
    }
  ],
  "workload_result": {
    "run_id": "P3_S251_REAL_TICK_RUN_001",
    "byte_start": 17905484850,
    "nominal_target": 18442355762,
    "byte_end": 18442355762,
    "bytes_consumed": 536870912,
    "bytes_over_nominal": 0,
    "n_atomic_chunks": 22,
    "atomic_chunk_ids": [
      738,
      739,
      740,
      741,
      742,
      743,
      744,
      745,
      746,
      747,
      748,
      749,
      750,
      751,
      752,
      753,
      754,
      755,
      756,
      757,
      758,
      759
    ],
    "rows_processed": 11187581,
    "malformed": {
      "column_count": 0,
      "timestamp_malformed": 0,
      "timestamp_invalid": 0,
      "non_numeric_price": 0,
      "invalid_volume": 0,
      "bid_ask_relationship": 0,
      "non_positive_price": 0,
      "non_monotonic_timestamp": 0
    },
    "m15_rows_emitted": 5038,
    "m30_rows_emitted": 2520,
    "first_timestamp": 1600774128,
    "last_timestamp": 1607436129,
    "raw_sha256": "23ac0f5ef9a11e8d2eb09735505829be16513c9523c2a4a57b95b8f712b87e5a",
    "parsed_sha256": "e1c4ff3be646c50fb2b8c5dd7c4fdc6df89f76361b6435270c3aaefb6cab3dc7",
    "m15_hash": "f4799fe2f374cb55d99aeeda93fd7b0f15b064fe3f88c99b811db61ca601fb2c",
    "m30_hash": "71f9b01576c2a8e1b468972b1689cf550d8b5c0db704b345334f8f0bc4081cb9",
    "output_hash": "d7540a20e9610bb34cfe0863d84d4a591bdd09f6d74e578b21a55b50b9809570",
    "final_state_hash": "170e5c2bae957b0fbe618c5ac0a4a34b99cb342e13e1f0ae8db161606e4cf292",
    "m15_csv_sha256": "e11d8d63678e050df4b2c60fc445b53700c07b427f9fb4c9e9e4f709dce356ca",
    "m30_csv_sha256": "db34bec3248fc3f403918048ad25f6a90c83293a2d5fc138fb4297670fc65aa1",
    "output_carry_m15": {
      "ts": 1607436000,
      "open": 1864.708,
      "high": 1866.338,
      "low": 1864.575,
      "close": 1866.068,
      "ticks": 662,
      "first_ts": 1607436000,
      "last_ts": 1607436129
    },
    "output_carry_m30": null,
    "runner_total_elapsed_seconds": 966.6,
    "rows_per_second": 11574.6,
    "bytes_per_second": 555450.6,
    "process_span_seconds": 15.8387,
    "dispatch_wall_seconds": 19.1987,
    "merge_seconds": 0.1105,
    "worker_imbalance_max_over_mean": 1.0667,
    "aggregate_worker_rss_bytes": 2332266496,
    "coordinator_rss_bytes": 35950592,
    "checkpoint_sha_before": "a783787feafbe3bff224cb9a671ab345b71514a8a3b1d1a06d368ed94f6913b1",
    "checkpoint_sha_after": "1b0be1cd84ac9be88186d8a8ff2675a8f123a3a75f37a7f48b2118c6d9bd363f"
  },
  "validation": {
    "gates_15_of_15": true,
    "parallel_equals_canonical_atomic": true,
    "parallel_equals_canonical_stream": true,
    "canonical_atomic_equals_stream": true,
    "interruption_all_match": true,
    "mutation_detection": "8/8",
    "mutation_all_detected": true,
    "process_lasso": "NOT RUNNING"
  },
  "checkpoint": {
    "last_completed_chunk_before": 737,
    "last_completed_chunk_after": 759,
    "next_chunk_after": 760,
    "next_byte_start_after": 18442355762,
    "advanced_exactly_once": true,
    "read_back_matches": true,
    "sha_recomputed_matches": true
  },
  "final_classification": "A - REAL 24-WORKER WORKLOAD VERIFIED",
  "mandatory_statement": "No P3-S25.1AS / chunk 760 workload was executed in this session."
}