Fix --model-list-batch to actually work

The --model-list-batch option was added but wasn't being handled properly.
Now it correctly exits after printing the batch output, and is also
added to the list of options that don't require --prompt.

videogen.py

@@ -7850,8 +7850,9 @@ def main(args):
         sys.exit(0)
     
     # Handle model list
-    if args.model_list:
+    if args.model_list or args.model_list_batch:
         print_model_list(args)
+        sys.exit(0)
 
     # Handle show-model
     if args.show_model:
@@ -7940,7 +7941,7 @@ def main(args):
     character_ops = ['list_characters', 'show_character', 'create_character', 'train_lora']
     has_character_op = any(getattr(args, op, None) for op in character_ops)
     
-    if not getattr(args, 'auto', False) and not args.model_list and not args.tts_list and not args.search_models and not args.add_model and not args.validate_model and not has_character_op and not args.prompt:
+    if not getattr(args, 'auto', False) and not args.model_list and not args.model_list_batch and not args.tts_list and not args.search_models and not args.add_model and not args.validate_model and not has_character_op and not args.prompt:
         parser.error("the following arguments are required: --prompt")
     
     # Handle auto mode with retry support