feat: Implement metadata collection and processing framework with debug node for verification

py/metadata_collector/__init__.py

@@ -0,0 +1,18 @@
+import os
+import importlib
+from .metadata_hook import MetadataHook
+from .metadata_registry import MetadataRegistry
+
+def init():
+    # Install hooks to collect metadata during execution
+    MetadataHook.install()
+    
+    # Initialize registry
+    registry = MetadataRegistry()
+    
+    print("ComfyUI Metadata Collector initialized")
+    
+def get_metadata(prompt_id=None):
+    """Helper function to get metadata from the registry"""
+    registry = MetadataRegistry()
+    return registry.get_metadata(prompt_id)