decouple core data from CLI formatting

chromy/handlers/list_collections.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from chromy.chroma_functions import list_collections
-from chromy.utilities import print_lines
+from chromy.output import format_collection_names, print_lines
 
 
 def handle_list_collections() -> int:
@@ -11,6 +11,6 @@ def handle_list_collections() -> int:
         print("No collections found.")
         return 0
 
-    print_lines(collections)
+    print_lines(format_collection_names(collections))
 
     return 0