feat: implement basic web app

frontend/src/components/workspace/streaming-indicator.tsx

@@ -0,0 +1,34 @@
+import { cn } from "@/lib/utils";
+
+export function StreamingIndicator({
+  className,
+  size = "normal",
+}: {
+  className?: string;
+  size?: "normal" | "sm";
+}) {
+  const dotSize = size === "sm" ? "w-1.5 h-1.5 mx-0.5" : "w-2 h-2 mx-1";
+
+  return (
+    <div className={cn("flex", className)}>
+      <div
+        className={cn(
+          dotSize,
+          "animate-bouncing rounded-full bg-[#a3a1a1] opacity-100",
+        )}
+      />
+      <div
+        className={cn(
+          dotSize,
+          "animate-bouncing rounded-full bg-[#a3a1a1] opacity-100 [animation-delay:0.2s]",
+        )}
+      />
+      <div
+        className={cn(
+          dotSize,
+          "animate-bouncing rounded-full bg-[#a3a1a1] opacity-100 [animation-delay:0.4s]",
+        )}
+      />
+    </div>
+  );
+}