What the manager hands a loader beside the response (2026-09-11): the
request's cancellation signal, type-erased the way the manager's own
transport call erases it, so a loader that fetches sub-resources (glTF's
.bin and images) can forward it — until then a cancelled glTF load kept
its child requests running to completion.
What the manager hands a loader beside the response (2026-09-11): the request's cancellation signal, type-erased the way the manager's own transport call erases it, so a loader that fetches sub-resources (glTF's
.binand images) can forward it — until then a cancelled glTF load kept its child requests running to completion.