Optional ReadonlycooldownRing-memory window (minutes); absent in an older session → the default.
Optional ReadonlyholdThe pre-#116 spelling (minutes). Ignored when holdSeconds is present.
Optional ReadonlyholdPer-channel cap on auto-planted bands.
Optional ReadonlymergeMerge radius (cents); absent in an older session → the default.
Arming mode; off = the watcher never reads this channel.
Optional ReadonlynotchPlanted-notch width; absent in a pre-tunable session → the default (116).
Optional ReadonlysensitivityDetection sensitivity; absent in a pre-tunable session → the default (today's gates).
A persisted FBS state as an OLDER build may have written it: pre-#116 the hold rode the session (and the wire) in MINUTES under
holdMinutes. Only the session-restore seam should ever see this shape — see normalizeFbsChannelState.