R3.2.8.6-R1.3C-RU5 Four-Language DOCX References Heading Unnumbered

utils/docx_builder.py

@@ -11,6 +11,21 @@ class DocxBuildError(RuntimeError):
     """Raised when markdown cannot be rendered into a valid DOCX document."""
 
 
+_UNNUMBERED_REFERENCE_HEADINGS = frozenset({
+    "references",
+    "参考文献",
+    "литература",
+    "список литературы",
+    "пайдаланылған әдебиеттер",
+})
+
+
+def _normalize_heading_label(text):
+    """Normalize a heading for exact front/back-matter label matching."""
+    value = " ".join(str(text or "").replace("\u00a0", " ").split()).casefold()
+    return value.rstrip(" :：")
+
+
 class DocxRenderer(mistune.HTMLRenderer):
     def __init__(self):
         super().__init__()
@@ -46,9 +61,11 @@ class DocxRenderer(mistune.HTMLRenderer):
     def heading(self, text, level):
         clean_text = BeautifulSoup(text, 'html.parser').get_text().strip()
         lower_text = clean_text.lower()
+        normalized_text = _normalize_heading_label(clean_text)
         skip_keywords = APP_CONFIG["blacklists"]["meta_sections"]
+        exact_reference_heading = normalized_text in _UNNUMBERED_REFERENCE_HEADINGS
         
-        if any(kw in lower_text for kw in skip_keywords) or (level == 1 and self.is_first_h1):
+        if exact_reference_heading or any(kw in lower_text for kw in skip_keywords) or (level == 1 and self.is_first_h1):
             if level == 1: 
                 self.is_first_h1 = False
             self.doc.add_heading(clean_text, level=1)