first commit, i i have no idea what i have done

management-ui/src/components/ui/combobox/ComboboxGroup.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+import type { ComboboxGroupProps } from 'reka-ui'
+import type { HTMLAttributes } from 'vue'
+import { reactiveOmit } from '@vueuse/core'
+import { ComboboxGroup, ComboboxLabel } from 'reka-ui'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<ComboboxGroupProps & {
+  class?: HTMLAttributes['class']
+  heading?: string
+}>()
+
+const delegatedProps = reactiveOmit(props, 'class')
+</script>
+
+<template>
+  <ComboboxGroup
+    data-slot="combobox-group"
+    v-bind="delegatedProps"
+    :class="cn('overflow-hidden p-1 text-foreground', props.class)"
+  >
+    <ComboboxLabel v-if="heading" class="px-2 py-1.5 text-xs font-medium text-muted-foreground">
+      {{ heading }}
+    </ComboboxLabel>
+    <slot />
+  </ComboboxGroup>
+</template>