fix(admin): restore Vite admin source files

assets/admin/src/components/captcha/CloudflareConfig.vue

@@ -0,0 +1,44 @@
+<template>
+  <n-form label-placement="left" label-width="130">
+    <n-space vertical style="width:100%">
+      <n-form-item label="Site Key">
+        <n-input v-model:value="model.site_key" placeholder="Cloudflare Turnstile Site Key" autocomplete="off" />
+      </n-form-item>
+      <n-form-item label="Secret Key">
+        <n-input v-model:value="model.secret_key" type="password" show-password-on="click" autocomplete="current-password" />
+      </n-form-item>
+      <n-form-item label="自定义域名">
+        <n-input v-model:value="model.domain" placeholder="留空使用默认域名" autocomplete="url" />
+      </n-form-item>
+      <n-form-item label="主题">
+        <n-select v-model:value="model.theme" :options="themeOptions" clearable />
+      </n-form-item>
+      <n-form-item label="尺寸">
+        <n-select v-model:value="model.size" :options="sizeOptions" clearable />
+      </n-form-item>
+      <n-tag v-if="isConfigured" type="success" size="small">✓ 已完整配置</n-tag>
+      <n-tag v-else type="warning" size="small">未完成配置</n-tag>
+    </n-space>
+  </n-form>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+
+const model = defineModel({ type: Object, default: () => ({}) })
+
+const isConfigured = computed(() => {
+  const c = model.value
+  return !!(c.site_key && c.secret_key)
+})
+
+const themeOptions = [
+  { label: '自动', value: 'auto' },
+  { label: '浅色', value: 'light' },
+  { label: '深色', value: 'dark' },
+]
+const sizeOptions = [
+  { label: '正常', value: 'normal' },
+  { label: '紧凑', value: 'compact' },
+]
+</script>