refactor: decompose register page into component-driven architecture

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/pages/register.vue

@@ -1,134 +1,56 @@
 <script setup lang="ts">
-import { clientRegisterSchema } from 'shared/auth-schema'
-
-const formSchema = clientRegisterSchema
-
-const state = reactive({
-  username: '',
-  password: '',
-  confirmPassword: '',
-  captchaText: '',
-})
+const toast = useToast()
 
 const captchaToken = ref('')
 const captchaSvg = ref('')
-const loading = ref(false)
-const toast = useToast()
 
 async function fetchCaptcha() {
+  try {
     const res = await $fetch<{ code: number; data: { token: string; svg: string } }>(
       '/api/auth/captcha'
     )
     captchaToken.value = res.data.token
     captchaSvg.value = res.data.svg
-}
-
-async function onSubmit() {
-  if (loading.value) return
-  loading.value = true
-  try {
-    const res = await $fetch<{ code: number; message: string; data: unknown }>(
-      '/api/auth/register',
-      {
-        method: 'POST',
-        body: {
-          username: state.username,
-          password: state.password,
-          confirmPassword: state.confirmPassword,
-          captchaToken: captchaToken.value,
-          captchaText: state.captchaText,
-        },
-      }
-    )
-
-    if (res.code !== 0) {
-      toast.add({ title: res.message, color: 'error' })
-      if (res.message.includes('验证码')) {
-        fetchCaptcha()
-        state.captchaText = ''
-      }
-      return
+  } catch {
+    captchaSvg.value = ''
   }
+}
 
+function handleSuccess() {
   navigateTo('/login?registered=1')
-  } catch {
-    toast.add({ title: '注册失败，请稍后重试', color: 'error' })
-  } finally {
-    loading.value = false
-  }
 }
 
-onMounted(async () => {
-  try {
-    await fetchCaptcha()
-  } catch {
-    toast.add({ title: '验证码加载失败，请刷新页面', color: 'error' })
-  }
+function handleError(message: string) {
+  toast.add({ title: message, color: 'error' })
+}
+
+onMounted(() => {
+  fetchCaptcha()
 })
+
+useHead({ title: '注册' })
 </script>
 
 <template>
-  <div class="flex items-center justify-center py-8">
-    <UCard class="w-full max-w-[380px]">
+  <div class="flex items-center justify-center min-h-[calc(100vh-200px)] py-8">
+    <UCard class="w-full max-w-[400px]">
       <template #header>
-        <h1 class="text-xl font-semibold">Create Account</h1>
-        <p class="text-sm text-muted mt-1">Fill in the details to get started</p>
+        <h1 class="text-xl font-semibold">创建账号</h1>
+        <p class="text-sm text-(--ui-text-muted) mt-1">填写信息开始使用</p>
       </template>
 
-      <UForm :state="state" :schema="formSchema" @submit="onSubmit">
-        <UFormField name="username" label="Username" required class="mb-4">
-          <UInput v-model="state.username" placeholder="Enter your username" />
-        </UFormField>
-
-        <UFormField name="password" label="Password" required class="mb-4">
-          <UInput
-            v-model="state.password"
-            type="password"
-            placeholder="At least 8 characters"
+      <RegisterForm
+        :captcha-svg="captchaSvg"
+        :captcha-token="captchaToken"
+        @refresh-captcha="fetchCaptcha"
+        @success="handleSuccess"
+        @error="handleError"
       />
-        </UFormField>
-
-        <UFormField name="confirmPassword" label="Confirm Password" required class="mb-4">
-          <UInput
-            v-model="state.confirmPassword"
-            type="password"
-            placeholder="Re-enter your password"
-          />
-        </UFormField>
-
-        <UFormField name="captchaText" label="Captcha" required class="mb-4">
-          <div class="flex gap-2 items-start">
-            <!-- eslint-disable-next-line vue/no-v-html -->
-            <div
-              class="flex-1 h-10 border rounded-md overflow-hidden bg-[#f8f9fa]"
-              role="img"
-              aria-label="CAPTCHA verification code"
-              v-html="captchaSvg"
-            />
-            <UButton
-              variant="ghost"
-              color="neutral"
-              icon="i-lucide-refresh-cw"
-              square
-              @click="fetchCaptcha"
-            />
-          </div>
-          <UInput
-            v-model="state.captchaText"
-            placeholder="Enter the code above"
-            class="mt-2"
-          />
-        </UFormField>
-
-        <UButton type="submit" block :loading="loading" class="mt-6">
-          Create Account
-        </UButton>
-      </UForm>
 
       <template #footer>
-        <p class="text-sm text-center text-muted">
-          Already have an account?
-          <NuxtLink to="/login" class="text-primary hover:underline">Log in</NuxtLink>
+        <p class="text-sm text-center text-(--ui-text-muted)">
+          已有账号？
+          <NuxtLink to="/login" class="text-(--ui-primary) hover:underline">去登录</NuxtLink>
         </p>
       </template>
     </UCard>