Coming out of a worldport unable to walk was a story, because nothing in the log said whether
the hold was the settle, a lost mover or a pending reseat. `movement_suppressors` named six
states and was only ever printed by the logout smoke test; `settling` was missing from it
although the settle hold is a mover hold (`mover.rs`), and a cross-map worldport is exactly
where it fires.
One line per settle, on the frame it ends, naming the hold or `none` — so the next transfer
reports its own cause. Instrument only; no gate reads either list.
chairmanpow
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