Add --yes flag for auto-confirmation of cache deletion

Added --yes / -y argument that automatically answers 'yes' to confirmation
prompts when deleting cached models or clearing the entire cache.

Usage:
  videogen --remove-cached-model MODEL_ID --yes
  videogen --clear-cache --yes

videogen.py

@@ -780,8 +780,13 @@ def list_cached_models():
         return False
 
 
-def remove_cached_model(model_id):
-    """Remove a specific model from the local HuggingFace cache"""
+def remove_cached_model(model_id, yes=False):
+    """Remove a specific model from the local HuggingFace cache
+    
+    Args:
+        model_id: The model ID to remove
+        yes: If True, skip confirmation prompt and auto-delete
+    """
     try:
         from huggingface_hub import scan_cache_dir, HfApi
         import shutil
@@ -806,11 +811,14 @@ def remove_cached_model(model_id):
         for repo in matching_repos:
             print(f"   - {repo.repo_id} ({repo.size_on_disk / (1024 ** 3):.2f} GB)")
         
-        # Confirm deletion
-        confirm = input("\n⚠️  Are you sure you want to delete these models? (y/N): ").strip().lower()
-        if confirm != 'y' and confirm != 'yes':
-            print("✅ Aborted - models not deleted")
-            return False
+        # Confirm deletion (skip if --yes flag is set)
+        if not yes:
+            confirm = input("\n⚠️  Are you sure you want to delete these models? (y/N): ").strip().lower()
+            if confirm != 'y' and confirm != 'yes':
+                print("✅ Aborted - models not deleted")
+                return False
+        else:
+            print("  ⚠️  Auto-confirming deletion due to --yes flag")
         
         # Delete matching repos
         deleted_count = 0
@@ -833,8 +841,12 @@ def remove_cached_model(model_id):
         return False
 
 
-def clear_cache():
-    """Clear the entire local HuggingFace cache"""
+def clear_cache(yes=False):
+    """Clear the entire local HuggingFace cache
+    
+    Args:
+        yes: If True, skip confirmation prompt and auto-delete
+    """
     try:
         from huggingface_hub import scan_cache_dir
         import shutil
@@ -847,11 +859,14 @@ def clear_cache():
         total_size = cache_info.size_on_disk / (1024 ** 3)
         print(f"⚠️  Cache contains {len(cache_info.repos)} model(s) taking {total_size:.2f} GB")
         
-        # Confirm deletion
-        confirm = input("Are you sure you want to CLEAR THE ENTIRE CACHE? (y/N): ").strip().lower()
-        if confirm != 'y' and confirm != 'yes':
-            print("✅ Aborted - cache not cleared")
-            return False
+        # Confirm deletion (skip if --yes flag is set)
+        if not yes:
+            confirm = input("Are you sure you want to CLEAR THE ENTIRE CACHE? (y/N): ").strip().lower()
+            if confirm != 'y' and confirm != 'yes':
+                print("✅ Aborted - cache not cleared")
+                return False
+        else:
+            print("  ⚠️  Auto-confirming cache clear due to --yes flag")
         
         # Get cache directory path
         cache_dir = cache_info.repos.pop().repo_path.parent
@@ -7783,11 +7798,13 @@ def main(args):
         sys.exit(0)
     
     if args.remove_cached_model:
-        success = remove_cached_model(args.remove_cached_model)
+        yes_flag = getattr(args, 'yes', False)
+        success = remove_cached_model(args.remove_cached_model, yes=yes_flag)
         sys.exit(0 if success else 1)
     
     if args.clear_cache:
-        success = clear_cache()
+        yes_flag = getattr(args, 'yes', False)
+        success = clear_cache(yes=yes_flag)
         sys.exit(0 if success else 1)
     
     # Handle model disable/enable
@@ -9888,6 +9905,8 @@ List TTS voices:
                         help="Allow models larger than available VRAM by using system RAM for offloading (implies --offload_strategy sequential)")
     parser.add_argument("--clear-cache", action="store_true",
                         help="Clear the entire local HuggingFace cache")
+    parser.add_argument("--yes", "-y", action="store_true",
+                        help="Automatically answer yes to confirmation prompts (for cache deletion)")
     parser.add_argument("--update-models", action="store_true",
                         help="Search HuggingFace and update model database with I2V, T2V, and NSFW models")