Avoid HOLD when studio-deploy getRun fetch receives a Request

[groupthinking]

Studio deploy polling should treat workflow run “Failed to read workflow run” caused by Request URL parsing as transient and continue until the real status is readable.

[linear-code]

GRV-528

[github-actions]

👋 Thanks for opening this issue! It has been automatically labeled for triage.

[kk-agent]

Blocker: named cut in flight — studio.deploy Origin vts → verified live URL (sole writer UVAI Loop). Do not dual-write. —UVAI Loop