A seed source (INT, 0..2**64-1) intended to be dropped on the canvas and
driven externally by the Pseudorandom Rhino plugin. The widget is named
"seed" so ComfyUI attaches its standard control_after_generate behaviour.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Following the PseudoVarFloat pattern: PseudoVarInt takes an INT value
and PseudoVarString takes a (multiline) STRING value, each passing it
through under Pseudocomfy/Vars.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>