fix: phone negative lookbehind, docx runs guard, 15 tests

site/services/drhider.py

@@ -25,7 +25,7 @@ log = logging.getLogger("drhider")
 # ═══════════════════════════════════════════
 
 ENTITY_PATTERNS: Dict[str, str] = {
-    "phone": r'\b(?:\+7|8)[\s\-]?\(?\d{3}\)?[\s\-]?\d{3}[\s\-]?\d{2}[\s\-]?\d{2}\b',
+    "phone": r'(?<!\d)(?:\+7|8)[\s\-]?\(?\d{3}\)?[\s\-]?\d{3}[\s\-]?\d{2}[\s\-]?\d{2}(?!\d)',
     "email": r'\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}\b',
     # 12-значный ИНН ДО 10-значного (иначе 12-значный матчится как 10)
     "inn_fl": r'ИНН\s*\d{12}',
@@ -396,11 +396,13 @@ class TwoPassObfuscator:
     # --- Проход 2: замена ---
 
     def _replace_in_docx(self, doc) -> bytes:
-        """Заменить сущности в docx-документе. Склеиваем runs → заменяем → пишем в первый run, остальные очищаем."""
+        """Заменить сущности в docx. Склеиваем runs → заменяем → пишем в первый run, очищаем остальные."""
         for para in doc.paragraphs:
+            if not para.runs:
+                continue
             full_text = "".join(run.text for run in para.runs)
             replaced = self._apply_replacements(full_text)
-            if replaced != full_text and para.runs:
+            if replaced != full_text:
                 para.runs[0].text = replaced
                 for run in para.runs[1:]:
                     run.text = ""
@@ -409,9 +411,11 @@ class TwoPassObfuscator:
             for row in table.rows:
                 for cell in row.cells:
                     for para in cell.paragraphs:
+                        if not para.runs:
+                            continue
                         full_text = "".join(run.text for run in para.runs)
                         replaced = self._apply_replacements(full_text)
-                        if replaced != full_text and para.runs:
+                        if replaced != full_text:
                             para.runs[0].text = replaced
                             for run in para.runs[1:]:
                                 run.text = ""