alarm(lane): axon-announcement

[JSONbored]

axon-announcement has reported stale on every tick for 1.4h (1 consecutive verdicts).

fault	stale
since	2026-08-19T07:35:21.032Z
observed cadence	12.0h
watchdog said	SN126 107/166 axons (64%, 60 of 60 still announce -- they MOVED to an unroutable address rather than going dark)

SELECT datetime(checked_at/1000,'unixepoch') at, verdict, detail
FROM lane_health WHERE lane = 'axon-announcement'
ORDER BY checked_at DESC LIMIT 40;

Closed automatically on the first ok verdict.
Opened by the lane-health reader (src/lane-alarm.ts); the record it reads
is also served at GET /api/v1/self-health.

[linear-code]

JSO-8356