↓ 2 callersFunctionrender_overlayRender draw-items into (IMAGE [1,H,W,3], MASK [1,H,W]), both float 0..1.
backend/utils/overlay.py:266
↓ 1 callersFunction_parse_idsParse a 1-based selection like "1, 3, 5-7" to [1, 3, 5, 6, 7] (ranges either order, de-duped).
backend/nodes/bbox_select.py:10