legacy-checkpoint.json

{
  "schemaVersion": 1,
  "id": "words-legacy-1.0.0-rc.1",
  "status": "frozen-checkpoint-unreleased",
  "date": "2026-09-28",
  "reference": "words-mk270-1f2f0fb",
  "upstreamCommit": "1f2f0fb0867a896d7b9284a03d615ed635d6f992",
  "engineVersion": "1.0.0-rc.1",
  "comparisonProfile": "upstream-tests-v1",
  "qualificationEngineSha256": "f986b62a0746d1f57c3cc14957c472648bc427039e169075eac6f862409a7ba1",
  "predecessor": {
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    "path": "docs/backend-baseline.json",
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  "changedPaths": [
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  ],
  "changes": {
    "src/english.ts": "Restore native String_Before_Dash preprocessing, including its column-one exception.",
    "src/model.ts": "Identify the unreleased final legacy checkpoint; no application release implied."
  },
  "qualification": {
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    "latinNormalMatches": 4144873,
    "latinNativeErrorMatches": 2,
    "latinComparatorExclusions": 2,
    "latinDifferences": 0,
    "latinRegressions": 0,
    "englishObservations": 24000,
    "englishMatches": 24000,
    "englishNativeFailureObservations": 5,
    "inputSessions": 456,
    "inputComparableMatches": 454,
    "inputSingleLookupBoundaries": 2,
    "inputNativeFailureSessions": 123,
    "booleanOptionCombinations": 4096,
    "sequenceSessions": 2048,
    "fullClassicalTextCorpus": "deferred"
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