Checkpoint Passthrough + Notes (Arctenox's Essentials)

Passes through checkpoint components (MODEL, CLIP, VAE) with optional documentation. Features: • Pass-through routing for MODEL, CLIP, and VAE together • Optional notes field for workflow documentation • Maintains full compatibility with all checkpoint types • Zero processing overhead - direct passthrough Use Cases: • Organizing checkpoint flows in complex workflows • Adding documentation to checkpoint sections • Creating clean connection points for checkpoints • Workflow readability improvements