- Add `SequentialLoopStart` and `SequentialLoopTrigger` nodes in `loop.py`.
- Manage global loop index for memory persistence across cycles.
- Implement auto-queue HTTP POST trigger using local ComfyUI API `/prompt`.
- Add non-blocking timeout of 5s on urllib requests.
- Register new nodes in `__init__.py` under NODE_DISPLAY_NAME_MAPPINGS.