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Fail closed when a discovered route module cannot be read #2936

Job	Run time
Detect changed paths	11s
Dependency review	6s
Examples check (Node 22.19)	4m 56s
Release gates (Node 22.19)	5m 24s
Host install proofs (Node 22.19)	3m 31s
Host filesystem (windows-latest)	3m 12s
Host filesystem (ubuntu-latest)	1m 20s
Verify (integration-1, Node 24)	5m 19s
Verify (fast, Node 24)	4m 8s
Host filesystem (macos-latest)	1m 54s
RSC runtime micro-eval (Node 22.19)	45s
Verify (integration-2, Node 24)	5m 36s
Verify (fast, Node 26)	4m 12s
Verify gate	2s
	40m 36s