made the errors more descriptive than just 'status code 500' #48

Job	Run time
Security: Disk Cleanup (Storage Exhaustion)	1m 1s
Resilience: Inode Exhaustion Safety	58s
Resource: Fork Bomb Containment	1m 2s
Resilience: Signal Trap Uses SIGKILL Timeout	58s
Security: Memory Limit (Hard OOM)	54s
Security: Filesystem Isolation (File Privacy)	57s
Resilience: Privileged Syscall Denial	1m 4s
Security: Network Namespace (Localhost Bridge)	1m 1s
Resilience: I/O Flood (Bounded Stderr)	1m 6s
Resilience: Orphan Grandchild Reaping	1m 1s
	10m 2s

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