feat(storybook): migrate stories to react

src/lib/ui/stories/SignalTrace.stories.tsx

@@ -0,0 +1,16 @@
+import type { Meta, StoryObj } from "@storybook/react-vite";
+import { SignalTrace } from "../components/SignalTrace";
+
+const meta = {
+  title: "UI/SignalTrace",
+  component: SignalTrace,
+  args: {
+    tone: "accent",
+    orientation: "horizontal",
+  },
+} satisfies Meta<typeof SignalTrace>;
+
+export default meta;
+type Story = StoryObj<typeof meta>;
+
+export const Horizontal: Story = {};