add ToggleButton component

web/src/components/ui/toggle-button.tsx

@@ -0,0 +1,29 @@
+import { cn } from "@/lib/utils";
+
+export default function ToggleButton({
+  active,
+  onClick,
+  children,
+  disabled,
+}: {
+  active: boolean;
+  onClick: () => void;
+  children: React.ReactNode;
+  disabled: boolean;
+}) {
+  return (
+    <button
+      className={cn(
+        "rounded-md px-3 py-1 text-sm font-medium transition-colors",
+        active && !disabled
+          ? "bg-selected text-white"
+          : "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        disabled && "cursor-not-allowed opacity-50",
+      )}
+      onClick={onClick}
+      disabled={disabled}
+    >
+      {children}
+    </button>
+  );
+}