Update components/document_preview.py

components/document_preview.py

@@ -1,6 +1,9 @@
-
 # components/document_preview.py
-def enhanced_document_preview(doc: Dict):
+import streamlit as st
+from typing import Dict, List, Optional, Any
+from datetime import datetime
+
+def enhanced_document_preview(doc: Dict[str, Any]):
     """Enhanced document preview component."""
     with st.container():
         # Header with metadata
@@ -46,4 +49,4 @@ def enhanced_document_preview(doc: Dict):
             with col2:
                 st.write("**Collections**")
                 for collection in doc.get('collections', []):
-                    st.write(f"• {collection}")
+                    st.write(f"• {collection}")