fix(lab): stream synchronized replay fragments

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

@@ -218,8 +218,11 @@
 }
 
 .m4-replay-threat-visual__overlay {
+  box-sizing: border-box;
   align-items: stretch;
-  gap: 0.35rem;
+  width: min(22rem, calc(33.333333% - 0.8rem));
+  grid-template-columns: minmax(0, 1fr);
+  gap: 0.3rem;
   background: transparent;
   padding: 0;
   backdrop-filter: none;
@@ -232,6 +235,12 @@
   backdrop-filter: blur(var(--nodedc-blur-control));
 }
 
+@media (max-width: 900px) {
+  .m4-replay-threat-visual__overlay {
+    width: min(22rem, calc(100% - 1.2rem));
+  }
+}
+
 .laboratory-metric-evidence-scene__viewport {
   position: absolute;
   inset: 0;