Share link input with visibility selector and copy action

<!--
  Расхождение с апстримом: `IconPlaceholder` заменена инлайновым `<svg>`
  (lucide-react v0.545.0 "link"/"chevron-down"/"copy") — см.
  docs/PORTING.md §5. Плавающий слой (`DropdownMenuContent`) не
  раскрывается в кейсе.
-->
<script setup lang="ts">
import { ref } from "vue"
import { DropdownMenu, DropdownMenuContent, DropdownMenuGroup, DropdownMenuItem, DropdownMenuTrigger } from "@/components/ui/dropdown-menu"
import { Field } from "@/components/ui/field"
import { InputGroup, InputGroupAddon, InputGroupButton, InputGroupInput } from "@/components/ui/input-group"

const visibilityOptions = ["Private", "Team", "Public"]
const visibility = ref(visibilityOptions[0])
</script>

<template>
  <Field class="max-w-sm">
    <InputGroup>
      <InputGroupAddon align="inline-start">
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width="24"
          height="24"
          viewBox="0 0 24 24"
          fill="none"
          stroke="currentColor"
          stroke-width="2"
          stroke-linecap="round"
          stroke-linejoin="round"
          class="lucide lucide-link size-4 opacity-60"
          aria-hidden="true"
        >
          <path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71" />
          <path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71" />
        </svg>
      </InputGroupAddon>

      <InputGroupInput value="agentflow.ai/runbooks/q2-review" aria-label="Share link" />

      <InputGroupAddon align="inline-end" class="gap-1">
        <DropdownMenu>
          <DropdownMenuTrigger as-child>
            <InputGroupButton variant="ghost" size="xs" class="gap-1.5" aria-label="Select visibility">
              {{ visibility }}
              <svg
                xmlns="http://www.w3.org/2000/svg"
                width="24"
                height="24"
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                stroke-width="2"
                stroke-linecap="round"
                stroke-linejoin="round"
                class="lucide lucide-chevron-down size-3 opacity-60"
                aria-hidden="true"
              >
                <path d="m6 9 6 6 6-6" />
              </svg>
            </InputGroupButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end" class="w-28">
            <DropdownMenuGroup>
              <DropdownMenuItem v-for="item in visibilityOptions" :key="item" @click="visibility = item">{{ item }}</DropdownMenuItem>
            </DropdownMenuGroup>
          </DropdownMenuContent>
        </DropdownMenu>

        <InputGroupButton variant="ghost" size="icon-xs" aria-label="Copy link">
          <svg
            xmlns="http://www.w3.org/2000/svg"
            width="24"
            height="24"
            viewBox="0 0 24 24"
            fill="none"
            stroke="currentColor"
            stroke-width="2"
            stroke-linecap="round"
            stroke-linejoin="round"
            class="lucide lucide-copy"
            aria-hidden="true"
          >
            <rect width="14" height="14" x="8" y="8" rx="2" ry="2" />
            <path d="M4 16c-1.1 0-2-.9-2-2V4c0-1.1.9-2 2-2h10c1.1 0 2 .9 2 2" />
          </svg>
        </InputGroupButton>
      </InputGroupAddon>
    </InputGroup>
  </Field>
</template>