Claude process lifecycle: 7e565c510d
Environment: Linux; default no-op AgentScope (macOS lifecycle path)
Real query runner + SDK; synthetic CLI; no credentials or model calls

T+0.5s: CLI running; sleep is in a separate process group
PID     PPID    PGID    STATE COMMAND
70413   70391   70413 Ssl  node-MainThread
  70422   70413   70422 Ss   sleep

T+4.5s: CLI exited naturally 3 seconds ago
PID     PPID    PGID    STATE COMMAND
70422    1274   70422 Ss   sleep
OBSERVED: escaped sleep STILL RUNNING (bug)

Close the session
PID     PPID    PGID    STATE COMMAND
70422    1274   70422 Ss   sleep
Cleanup complete