
Zone-transition overlay. Draws a configured polygon on Image and labels each [(Rectangle<Double>, UInt64)] tuple as Entry (code 1), Exit (code 2), or box-only; emits annotated Image. Pair with detect_zone_transition.
Restricted-zone overlay from tracking and zone detection.
polygon must match the polygon used by detect_zone_transition upstream. Mismatches make the visualisation misleading.polygon is captured once at first invocation; runtime changes have no effect.Automated release