Fix data transfer routing to the selected backend - #80

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aditya-dl wants to merge 3 commits into

onnxruntime:mainfrom

aditya-dl:fix/lazy-data-transfer-resolution

Commits on Aug 11, 2026

Resolve the umbrella DataTransfer's backend lazily and re-check it

aditya-dl
and
claude
committed
f0ffe5e

Commits on Aug 12, 2026

Freeze per-session DataTransfer to its own backend
aditya-dl
committed
196cccc

Commits on Aug 13, 2026

Resolve allocators through the EP instance, not the shared backend slot
aditya-dl
committed
7163acc