Update app.py

app.py

@@ -16,25 +16,23 @@ from components.collection_manager import (
     display_collection_content
 )
 
-# Utils imports
 from utils.database import (
+    # Base database operations
     create_connection,
     create_tables,
     get_all_documents,
+    
+    # Collection operations
     get_collections,
-    get_collection_documents,
-    create_collection,
-    add_document_to_collection
-)
-
-from utils.collections import (
-    create_collection_tables,
     create_collection,
     add_document_to_collection,
     remove_from_collection,
-    update_collection
+    update_collection,
+    get_collection_documents,
+    
+    # Search functionality
+    search_documents
 )
-from utils.document_search import search_documents
 
 # Message types
 from langchain_core.messages import (