Convex-only Slice 1: clients talk to Convex, Flue is a private worker (#20)

apps/web/src/index.css

@@ -75,6 +75,19 @@ html.slice-one-viewport-lock body {
   min-height: 1.75rem;
 }
 
+.route-progress-bar {
+  animation: route-progress 900ms ease-in-out infinite;
+}
+
+@keyframes route-progress {
+  from {
+    transform: translateX(-100%);
+  }
+  to {
+    transform: translateX(400%);
+  }
+}
+
 @keyframes response-dot {
   0%,
   60%,