== sample: S0 baseline ==
               udev     185   5.82K       0    390M     235K
           propstng     493   19.3K       0    390M     235K
        prop_string     307   2.55K       0    390M     505K
           propnmbr     416   22.8K       0    390M      416
           propdict     333   62.4K       0    390M     235K
    prop_dictionary     143   35.8K       0    390M    1.18M
churn: 30000 pty cycles in 4s
harness: initiated; stalling 25s with fd held...
harness: closing WITHOUT reading
harness: fd closed
== sample: S1 after close-without-read (cycle 1) ==
               udev     213   6.70K       0    390M     293K
           propstng   58.9K   2.30M       0    390M     293K
        prop_string   58.9K    471K       0    390M     564K
           propnmbr     432   23.6K       0    390M      432
           propdict   58.8K   11.0M       0    390M     293K
    prop_dictionary   58.7K   10.1M       0    390M    1.27M
== sample: S2 after close + 10s idle (leak must persist) ==
               udev     213   6.70K       0    390M     293K
           propstng   58.9K   2.30M       0    390M     293K
        prop_string   58.9K    471K       0    390M     564K
           propnmbr     432   23.6K       0    390M      432
           propdict   58.8K   11.0M       0    390M     293K
    prop_dictionary   58.7K   10.1M       0    390M    1.27M
churn: 30000 pty cycles in 3s
harness: initiated; stalling 25s with fd held...
harness: closing WITHOUT reading
harness: fd closed
== sample: S3 after close-without-read (cycle 2) - ~2x S1 delta expected ==
               udev     241   7.57K       0    390M     351K
           propstng    118K   4.59M       0    390M     352K
        prop_string    117K    940K       0    390M     623K
           propnmbr     434   23.7K       0    390M      434
           propdict    117K   22.0M       0    390M     352K
    prop_dictionary    117K   20.2M       0    390M    1.35M
churn: 30000 pty cycles in 4s
harness: read 60000 events (46260000 bytes) in 25s
harness: fd closed
== sample: S4 after active-drain control (should stay ~= S3) ==
               udev     213   6.70K       0    390M     351K
           propstng    118K   4.59M       0    390M     352K
        prop_string    117K    940K       0    390M     681K
           propnmbr     441   24.1K       0    390M      441
           propdict    117K   22.0M       0    390M     352K
    prop_dictionary    117K   20.2M       0    390M    1.50M
DONE