Harden serial driver I/O behavior and request safety - #2

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cursor/driver-hardening-f19e

Commits on Apr 18, 2026

test: add regression coverage for partial transfers and invalid request directions

cursoragent
and
coxep
committed
41e8feb
test: capture red-state for partial transfer and direction checks

cursoragent
and
coxep
committed
74f319a
fix: harden serial transfers and enforce request direction safety

cursoragent
and
coxep
committed
1a1c17c