Separate vessel records and acquisition from scene resources

docs/CODE-BOUNDARIES.md

@@ -497,3 +497,9 @@ ownership boundary. Military observations retain their aviation-foot readout,
 source-time fallback and model-owned ground policy. The renderer supplies that
 ownership fact and handles stale-ground lifting, Cesium history and primitives;
 record reconciliation does not import the engine or application.
+
+`layers/vessels/records` owns plain AIS metadata, stable MMSI identity and bounded
+retention. `layers/vessels/ingestion` owns source requests and feed state through
+explicit operations. Both exports exclude Cesium, DOM and application assembly.
+The snapshot renderer applies record changes; rendering owns a weak map of
+geometry and billboard resources used by cards, picking and trails.

docs/CURRENT-STATE.md

@@ -1,5 +1,10 @@
 # God's Eye View Current State
 
+Vessels separate plain, stable MMSI records and source acquisition from scene
+resources. The renderer owns geometry and billboards; cards, picking and trails
+resolve those resources through it. Partial-feed retention, selected-vessel
+pinning, first-position grace, source time and sea-surface placement are unchanged.
+
 Military flights also separate portable records and source acquisition from
 Cesium snapshot application. The metadata owner retains aviation feet, source
 fix times, sticky fields and partial-feed retention. Rendering retains ground