{
  "format": 1,
  "kind": "pager-recall-ranking-paired",
  "testedCommit": "a0a33db5319ead359b089b3f5fb585212245e044",
  "baselineCommit": "c05dd120cf2adc129390b9bd8662ba310143004c",
  "baselineCoreCommit": "bfeee596cc7a06fd304b025b0b031de05bbd2f12",
  "archive": {
    "recordsPerSeed": 2000,
    "assignedTokensPerRecord": 5000,
    "assignedTokensPerSeed": 10000000,
    "coldRecordsPerSeed": 1000,
    "warning": "assigned tokens, repetitive filler; not tokenizer-measured or real sessions"
  },
  "design": {
    "seeds": [
      301,
      302,
      303,
      304,
      305,
      401,
      402,
      403,
      404,
      405
    ],
    "probesPerSeed": 40,
    "baselineSampling": "20 resident and 20 nonresident targets per seed",
    "query": "natural-language question containing exact cardcue",
    "conditions": "rule now prioritizes bounded search hits; hybrid prioritizes lexical query coverage and uses learned score on ties",
    "budgetTokens": 1800,
    "pageTokenCap": 400,
    "learnedPageMaxTokens": 700,
    "learnedTopK": 8,
    "searchLimit": 8,
    "counter": "chars/4 estimate",
    "forcedCoreIds": []
  },
  "cohorts": {
    "node25": {
      "probes": 200,
      "fullQuerySearchHit1": 200,
      "candidateSetsEqual": 200,
      "budgetViolations": 0,
      "conditions": {
        "before-rule": {
          "candidate": 100,
          "selected": 12,
          "fact": 12,
          "medianMs": 5.98
        },
        "after-rule": {
          "candidate": 200,
          "selected": 200,
          "fact": 200,
          "medianMs": 11.271
        },
        "before-hybrid": {
          "candidate": 100,
          "selected": 0,
          "fact": 0,
          "medianMs": 6.761
        },
        "after-hybrid": {
          "candidate": 200,
          "selected": 200,
          "fact": 200,
          "medianMs": 12.014
        }
      }
    },
    "node24": {
      "probes": 200,
      "fullQuerySearchHit1": 200,
      "candidateSetsEqual": 200,
      "budgetViolations": 0,
      "conditions": {
        "before-rule": {
          "candidate": 100,
          "selected": 10,
          "fact": 10,
          "medianMs": 4.917
        },
        "after-rule": {
          "candidate": 200,
          "selected": 200,
          "fact": 200,
          "medianMs": 9.618
        },
        "before-hybrid": {
          "candidate": 100,
          "selected": 0,
          "fact": 0,
          "medianMs": 5.552
        },
        "after-hybrid": {
          "candidate": 200,
          "selected": 200,
          "fact": 200,
          "medianMs": 10.372
        }
      }
    },
    "all": {
      "probes": 400,
      "fullQuerySearchHit1": 400,
      "candidateSetsEqual": 400,
      "budgetViolations": 0,
      "conditions": {
        "before-rule": {
          "candidate": 200,
          "selected": 22,
          "fact": 22,
          "medianMs": 5.588
        },
        "after-rule": {
          "candidate": 400,
          "selected": 400,
          "fact": 400,
          "medianMs": 10.745
        },
        "before-hybrid": {
          "candidate": 200,
          "selected": 0,
          "fact": 0,
          "medianMs": 6.123
        },
        "after-hybrid": {
          "candidate": 400,
          "selected": 400,
          "fact": 400,
          "medianMs": 11.422
        }
      }
    }
  },
  "rankingAblation": {
    "description": "old and new hybrid on identical post-fix candidate pages",
    "probes": 400,
    "oldFact": 0,
    "newFact": 400
  },
  "topicFixture": {
    "cases": 20,
    "design": "8 topics: 8 explicit, 8 paraphrased and 4 lexical-disjoint questions; target records precede 50 distractors; no target injection; 4 cold targets",
    "groups": {
      "explicit-topic": {
        "cases": 8,
        "facts": {
          "before-rule": 0,
          "before-hybrid": 0,
          "after-rule": 8,
          "after-hybrid": 8
        }
      },
      "paraphrase": {
        "cases": 8,
        "facts": {
          "before-rule": 0,
          "before-hybrid": 0,
          "after-rule": 8,
          "after-hybrid": 8
        }
      },
      "lexical-disjoint": {
        "cases": 4,
        "facts": {
          "before-rule": 0,
          "before-hybrid": 0,
          "after-rule": 0,
          "after-hybrid": 0
        }
      }
    }
  },
  "verification": {
    "rerunProbes": 400,
    "mismatches": 0,
    "copiedBodyFilesChecked": 20000,
    "copiedBodyFileMismatches": 0,
    "copiedMetadataRowsChecked": 20000,
    "topicCasesRerun": 20,
    "topicMismatches": 0
  },
  "load": {
    "quietGateMet": 0,
    "runs": 10,
    "gate": "two consecutive five-second samples: CPU busy <=20% and load1 <=4.5; up to two attempts"
  },
  "limitations": [
    "the target cue is an exact lexical match in the 10M fixture",
    "target sampling is deliberately 50% resident and 50% nonresident",
    "both candidate and selection policies changed; the ranking ablation isolates the latter only on post-fix candidates",
    "the topic fixture is synthetic, small, and has no human or model answers",
    "original synthetic stores are retained locally and are not published; record IDs are random so exact public reconstruction is not guaranteed",
    "shared-host timing is not a controlled performance comparison"
  ],
  "archiveCardProbe": {
    "kind": "synthetic-archive-card-omission",
    "candidate": true,
    "included": true,
    "factPresent": false,
    "source": "record-card",
    "originalBodyHasFact": true,
    "budgetTokens": 600,
    "pageTokenCap": 100,
    "note": "Query cue and fact occur deep in an oversized episode body; the archive card is constructed before query-aware page excerpting."
  }
}