fix: add missing strip_html_if_needed utility for vector store

app/utils/__init__.py

@@ -1 +1,9 @@
 """Utility functions"""
+
+from .helpers import (
+    generate_id, 
+    sanitize_filename, 
+    format_datetime, 
+    truncate_text,
+    strip_html_if_needed
+)

app/utils/helpers.py

@@ -23,3 +23,26 @@ def truncate_text(text: str, max_length: int = 200) -> str:
     if len(text) <= max_length:
         return text
     return text[:max_length-3] + "..."
+
+import re
+
+def strip_html_if_needed(text: str) -> str:
+    """
+    Remove HTML tags from text if present.
+    
+    Args:
+        text: Input text that might contain HTML
+        
+    Returns:
+        Clean text without HTML tags
+    """
+    if not text or not isinstance(text, str):
+        return ""
+    
+    # Check if looks like HTML (contains < and >)
+    if '<' in text and '>' in text:
+        # Simple regex to strip tags
+        clean = re.compile('<.*?>')
+        return re.sub(clean, '', text)
+    
+    return text