feat: complete production hardening implementation, specialty canonicalization, google-genai migration, voice reliability, sqlite concurrency, and test suite consolidation

2026-09-07 12:57:54 +05:30
parent c23d979338
commit 92fa71ae4a
99 changed files with 5167 additions and 3550 deletions
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+"""
+Contextual negation and scope resolution engine.
+"""
+
+import re
+from typing import Dict, Any, Tuple
+
+
+# Family relations
+FAMILY_RELATIONS = [
+    ("father", "father"), ("dad", "father"), ("appa", "father"), ("அப்பா", "father"), ("पिता", "father"), ("नाना", "grandfather"),
+    ("mother", "mother"), ("mom", "mother"), ("amma", "mother"), ("அம்மா", "mother"), ("माँ", "mother"), ("माता", "mother"),
+    ("brother", "brother"), ("annaa", "brother"), ("தம்பி", "brother"), ("अண்ணன்", "brother"), ("भाई", "brother"),
+    ("sister", "sister"), ("akka", "sister"), ("அக்கா", "sister"), ("தங்கை", "sister"), ("बहन", "sister"),
+    ("parent", "parent"), ("grand-father", "grandfather"), ("grandfather", "grandfather"), ("grandmother", "grandmother"),
+]
+
+# Negation indicators
+NEGATION_PHRASES = [
+    "don't have", "do not have", "no history of", "no symptoms", "no allergies", "no allergy", "no medicine",
+    "no medications", "don't take", "do not take", "never had", "without", "denies", "absent",
+    "இல்லை", "எதுவும் இல்லை", "இல்லவே இல்லை", "மாத்திரை எதுவும் இல்லை", "நோயும் இல்லை",
+    "नहीं है", "कोई बीमारी नहीं", "कोई एलर्जी नहीं", "कोई दवा नहीं",
+    "లేవు", "ఏమీ లేదు", "ఇబ్బంది లేదు",
+    "ಇಲ್ಲ", "ಯಾವುದೇ ಇಲ್ಲ",
+]
+
+
+def is_negated(text: str) -> bool:
+    """Returns True if the text expresses explicit negation."""
+    if not text:
+        return False
+    msg_lower = text.lower().strip()
+    if msg_lower in ["no", "none", "nothing", "no more", "nil", "illness none", "nkda"]:
+        return True
+    return any(neg in msg_lower for neg in NEGATION_PHRASES)
+
+
+def extract_family_subject(text: str) -> Tuple[bool, str, str]:
+    """
+    Checks if text refers to family member rather than the patient.
+    Returns: (is_family_history, relation, condition_text)
+    """
+    if not text:
+        return False, "", text
+
+    msg_lower = text.lower().strip()
+    for rel_kw, rel_canonical in FAMILY_RELATIONS:
+        pattern = rf"\b{re.escape(rel_kw)}\b"
+        if re.search(pattern, msg_lower) or rel_kw in text:
+            # Check if patient explicitly negates disease for self in same turn
+            return True, rel_canonical, text
+
+    return False, "", text