feat: 完成整体内容开发

app/components/ui/select/SelectScrollDownButton.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+import type { SelectScrollDownButtonProps } from 'reka-ui'
+
+import type { HTMLAttributes } from 'vue'
+import { reactiveOmit } from '@vueuse/core'
+import { ChevronDownIcon } from 'lucide-vue-next'
+import { SelectScrollDownButton, useForwardProps } from 'reka-ui'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<SelectScrollDownButtonProps & { class?: HTMLAttributes['class'] }>()
+
+const delegatedProps = reactiveOmit(props, 'class')
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <SelectScrollDownButton
+    data-slot="select-scroll-down-button"
+    v-bind="forwardedProps"
+    :class="cn('bg-popover z-10 flex cursor-default items-center justify-center py-1 [&_svg:not([class*=size-])]:size-4', props.class)"
+  >
+    <slot>
+      <ChevronDownIcon />
+    </slot>
+  </SelectScrollDownButton>
+</template>