fix(header): wire multi-function page-type enable like zibll

Connect header_components_show_on through aksrt_header_slide_is_show with
zibll page-type matching, drop the homepage-only gate, align admin options,
apply nav color, enqueue by is_show, remove dead float-btn schema, and
consume footer_tabbar_single extend mode on post singles.

assets/admin/src/pages/content/HeroManager.vue

@@ -5,21 +5,13 @@
     <n-card class="aksrt-section-card" style="margin-bottom:16px;">
       <template #header>
         <div class="aksrt-card-header-row">
-          <strong>Hero 显示开关</strong>
-          <n-button size="small" secondary @click="goHeaderComponents">顶部多功能组件（搜索/卡片/轮播参数）</n-button>
+          <strong>显示范围</strong>
+          <n-button size="small" secondary @click="goHeaderComponents">顶部多功能组件（页面类型/搜索/卡片）</n-button>
         </div>
       </template>
-      <n-form label-placement="left" label-width="160" class="aksrt-form">
-        <n-form-item label="显示首页 Hero">
-          <div class="aksrt-inline-setting">
-            <n-switch v-model:value="heroEnabled" :disabled="settingsLoading || settingsSaving" />
-            <span class="aksrt-inline-setting__hint">关闭后，首页 Hero 区块将不再渲染。</span>
-          </div>
-        </n-form-item>
-      </n-form>
-      <div class="aksrt-inline-setting__actions">
-        <n-button type="primary" :loading="settingsSaving" :disabled="settingsLoading" @click="saveHeroSettings">保存 Hero 开关</n-button>
-      </div>
+      <p class="aksrt-inline-setting__hint" style="margin:0;">
+        幻灯片内容在此维护。页面类型启用、设备规则、搜索覆盖层与图标卡片请到「顶部多功能组件」配置；全不选页面类型即为关闭。
+      </p>
     </n-card>
 
     <n-spin :show="loading" style="width:100%; min-height:200px;">
@@ -216,10 +208,7 @@ function goHeaderComponents() {
 }
 const loading = ref(true)
 const saving = ref(false)
-const settingsLoading = ref(false)
-const settingsSaving = ref(false)
 const slides = ref([])
-const heroEnabled = ref(true)
 
 const modalShow = ref(false)
 const editing = ref(emptyForm())
@@ -348,36 +337,7 @@ async function loadSlides() {
   }
 }
 
-async function loadHeroSettings() {
-  settingsLoading.value = true
-  try {
-    const res = await api.getHomepageSettings()
-    const data = res?.data || {}
-    heroEnabled.value = data.homepage_module_hero_enabled !== false
-  } catch (e) {
-    message.error(e.message || '加载 Hero 开关失败')
-  } finally {
-    settingsLoading.value = false
-  }
-}
 
-async function saveHeroSettings() {
-  settingsSaving.value = true
-  try {
-    const res = await api.saveHomepageSettings({
-      homepage_module_hero_enabled: heroEnabled.value,
-    })
-    if (res?.code === 'success') {
-      message.success('Hero 开关已保存')
-      return
-    }
-    throw new Error(res?.message || '保存 Hero 开关失败')
-  } catch (e) {
-    message.error(e.message || '保存 Hero 开关失败')
-  } finally {
-    settingsSaving.value = false
-  }
-}
 
 function openCreate() {
   editing.value = emptyForm()
@@ -495,7 +455,6 @@ function handleDelete(row) {
 
 onMounted(() => {
   loadSlides()
-  loadHeroSettings()
 })
 </script>