Create qa_store.py

qa_store.py

@@ -0,0 +1,32 @@
+# qa_store.py
+from typing import List, Dict, Any
+import re
+
+# Textbook chunks
+ENTRIES: List[Dict[str, Any]] = []
+RAW_KNOWLEDGE: str = ""
+
+# QA from textbook JSONL
+AUTO_QA_KNOWLEDGE: List[Dict[str, Any]] = []
+
+# Manual QA managed by teacher
+MANUAL_QA_LIST: List[Dict[str, Any]] = []
+MANUAL_QA_INDEX: Dict[str, Dict[str, Any]] = {}
+
+# Combined index for fast lookup
+QA_INDEX: Dict[str, str] = {}
+ALL_QA_KNOWLEDGE: List[Dict[str, Any]] = []
+
+# Counter for new manual IDs
+NEXT_MANUAL_ID: int = 1
+
+
+def normalize_question(q: str) -> str:
+    """
+    Normalize Lao/English question text for matching.
+    Lowercase + remove punctuation + collapse spaces.
+    """
+    q = (q or "").lower()
+    q = re.sub(r"[?!？！\.\,\:\;\"“”'‘’]", " ", q)
+    q = re.sub(r"\s+", " ", q)
+    return q.strip()