feat(lab): add bounded local SLAM surface

apps/control-station/src/styles/m4-replay-threat.css

@@ -66,6 +66,10 @@
   margin-left: auto;
 }
 
+.m4-replay-threat-visual__layer-controls .nodedc-segmented__item {
+  padding-inline: 0.72rem;
+}
+
 .m4-replay-threat-evidence-viewer .laboratory-evidence-viewer__transport {
   bottom: 0.3rem;
 }
@@ -155,3 +159,8 @@
   border: 1px solid rgb(var(--nodedc-accent-rgb));
   background: transparent;
 }
+
+.laboratory-metric-evidence-scene__legend span[data-decision="local-surface"]::before {
+  background: rgb(var(--nodedc-accent-rgb));
+  opacity: 0.72;
+}