Accept authoritative empty vessel coverage without an outage

docs/CURRENT-STATE.md

@@ -1,5 +1,11 @@
 # God's Eye View Current State
 
+Vessel sources can report healthy empty coverage using a current, complete
+snapshot with zero raw rows, a healthy transport and a positive last-message
+time. This clears obsolete contacts and settles startup without manufacturing
+position timestamps. Stale, incomplete and malformed empty results retain the
+existing recovery behavior.
+
 Catalog source contracts and their consuming layers are declared in
 `src/app/sourceComposition.js`. Omitted or null acquisition sources preserve layer
 registration and serialization, report unavailable, and are refused by the existing