{
  "schema_version": "1.0.0",
  "item_id": "HF-PP-2026-W11",
  "scenario_id": "failure_scenario_003",
  "scenario_kind": "synthetic",
  "model_execution_status": "NOT_RUN_SYNTHETIC_OUTPUTS",
  "scenario_bundle_version": "1.1",
  "created_on": "2026-10-29",
  "timezone": "Europe/Kyiv",
  "review": {
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    "human_approval_claimed": false,
    "authority": "Explicit user prepare-and-publish Failure Scenario003+v1.1; subsequent continue"
  },
  "source_methods": [
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      "verification": "Fuzz each schema with extra fields, type confusion, oversized payloads and instruction-bearing strings; confirm invalid records never reach an execution boundary.",
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      "verification_basis": "Exact canonical-source bytes retained in current anonymously downloaded immutable Hugging Face source snapshot; SHA256 matches row and snapshot. Direct raw GitHub request failed with network routing error, not an HTTP content verdict."
    },
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      "control_id": "DRIFT-SCHEMA",
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      "source_data_hash": "sha256:30588884b6d39f24b3dbdd929b221d3bd27d936d2eb6a334c3039ded119dcf6a",
      "action": "Compare first-attempt and final outputs separately. Inspect schema and model versions.",
      "verification": "100 \u00d7 outputs passing the versioned required schema / requests that require that schema. Include missing, truncated and unparsable outputs as failures. Track endpoint errors separately.",
      "source_payload_json": "{\"comparator\": \"lt\", \"definition\": \"100 \\u00d7 outputs passing the versioned required schema / requests that require that schema. Include missing, truncated and unparsable outputs as failures. Track endpoint errors separately.\", \"id\": \"schema\", \"max\": 100, \"min\": 0, \"name\": \"Schema conformance\", \"rationale\": \"Successful HTTP responses can still break downstream consumers.\", \"response\": \"Compare first-attempt and final outputs separately. Inspect schema and model versions.\", \"rollback\": \"Revert the implicated model, prompt or schema change if the prior compatible bundle restores validation without violating current requirements.\", \"sampleClass\": \"requests\", \"sourceReferences\": [{\"checked\": \"2026-09-08\", \"id\": \"S1\", \"url\": \"https://pharosproduction.com/insights/engineering/state-of-production-ai-engineering-2026/\"}, {\"checked\": \"2026-09-08\", \"id\": \"S6\", \"url\": \"https://docs.evidentlyai.com/docs/platform/monitoring_overview\"}], \"sources\": [\"S1\", \"S6\"], \"systems\": [\"chat\", \"rag\", \"agent\"], \"threshold\": 99, \"thresholdBasis\": \"Illustrative setting. Calibrate against local baseline and error budget.\", \"unit\": \"%\"}",
      "verification_basis": "Exact canonical-source bytes retained in current anonymously downloaded immutable Hugging Face source snapshot; SHA256 matches row and snapshot. Direct raw GitHub request failed with network routing error, not an HTTP content verdict."
    }
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        "exit_status": 1,
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      "coverage_note": "Grouped24 malformed cases map distinct closed-shape/scalar-bound/enum/finite-JSON/dangerous-key/cycle/size branches at pure validator boundary, no Cartesian product."
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    "Fictional model identities/revisions and authored outputs. No inference or client incident.",
    "Exact-field comparison is not answer-quality or model-accuracy measurement.",
    "Hashes do not authenticate source truth or execution."
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  "release_eligible": false
}