made the errors more descriptive than just 'status code 500' #47

Job	Run time
Resilience: I/O Flood (Bounded Stderr)	52s
Security: Disk Cleanup (Storage Exhaustion)	59s
Security: Network Namespace (Localhost Bridge)	56s
Resource: Fork Bomb Containment	58s
Security: Memory Limit (Hard OOM)	53s
Security: Filesystem Isolation (File Privacy)	52s
Resilience: Privileged Syscall Denial	55s
Resilience: Orphan Grandchild Reaping	58s
Resilience: Signal Trap Uses SIGKILL Timeout	55s
Resilience: Inode Exhaustion Safety	1m 0s
	9m 18s

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