After the network test SuperRack sat in NA Ingest's session as
"initializing"; the hold saw it listed and did nothing ("already").
connect_peer now drops a listed-but-not-live peer and adds it back,
building the second write from the first so a slow re-read cannot leave
it dropped. Tested live today: DVS x4, APPS and INGEST holds, NET clear,
CAPTIONS and BRIDGE restart keys.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>