feat: Add Label Input components (#10480)

app/javascript/dashboard/components-next/Label/story/AddLabel.story.vue

@@ -0,0 +1,27 @@
+<script setup>
+import AddLabel from '../AddLabel.vue';
+import { labelMenuItems } from './fixtures';
+
+function onUpdateLabel(label) {
+  console.log('Label updated:', label);
+}
+</script>
+
+<template>
+  <Story title="Components/Label/Add Label">
+    <Variant title="Default (button with label menu items with active state)">
+      <div class="h-[300px] p-4">
+        <AddLabel
+          :label-menu-items="labelMenuItems"
+          @update-label="onUpdateLabel"
+        />
+      </div>
+    </Variant>
+
+    <Variant title="Empty List (button with empty label menu)">
+      <div class="h-[300px] p-4">
+        <AddLabel :label-menu-items="[]" @update-label="onUpdateLabel" />
+      </div>
+    </Variant>
+  </Story>
+</template>