{
  "version": 4,
  "program": "traceback_context_v4",
  "title": "Read context at the deepest repository traceback frame",
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  "split": {
    "method": "SHA256('autotoken-v4:'+instance_id)%5==0 discovery; remaining issues validation, grouped across models",
    "policyFrozenBeforeValidation": true,
    "caveat": "The larger corpus was previously used by the project; not untouched external validation."
  },
  "sourceManifestSha256": "73cccd8079f5c3150015207a7d102f1a4409c7996f0ea9ae1305f1b45239247b",
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  "limitations": [
    "Plans use current failed command and completed output only; next calls are replay labels.",
    "Exactly one traceback required; deepest eligible repository source frame is chosen without consulting future read arguments.",
    "Runtime regular-file, no-symlink, unchanged-state and byte bounds are not reconstructed from historical traces.",
    "Exact next range/path/read shape means a whole singleton response with an observed bounded successful read; multi-tool/bundled calls are excluded.",
    "Broader coverage is reported separately: more context can cost tokens or hit the byte cap, so no net savings are credited.",
    "Exception text and path selection may be unhelpful even when syntactically valid; proposal match rate is not task-quality validation.",
    "Matched calls can include needed reasoning; removal is a conditional gross estimate before routing/execution/false-positive and future cache costs.",
    "Recorded cache/creation and reasoning counts are subsets, not added again to totals.",
    "No recorded commands executed or paid inference."
  ]
}
