Initial commit: JSON Loader (Dynamic) ComfyUI node

Auto-discovers JSON keys and exposes them as typed output slots.
Includes JS frontend for refresh, connection-safe updates, and
workflow persistence of keys and types.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

__init__.py

@@ -0,0 +1,5 @@
+from .json_loader_dynamic import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+
+WEB_DIRECTORY = "./web"
+
+__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS', 'WEB_DIRECTORY']