refactor: 重构设置、API、图库与存储页面前端结构。

将操作日志并入设置侧栏，补齐检查更新提示与版本接口刷新；拆分各模块组件并修复图库搜索分页变量。

app/components/settings/SettingsToggleRow.vue

@@ -0,0 +1,34 @@
+<script setup lang="ts">
+defineProps<{
+  title?: string
+  hint?: string
+  disabled?: boolean
+}>()
+
+const model = defineModel<boolean>({ required: true })
+</script>
+
+<template>
+  <div class="flex items-start justify-between gap-4 px-4 py-4 sm:px-5">
+    <div class="min-w-0 flex-1 pr-2">
+      <p class="text-sm font-medium text-highlighted">
+        <slot name="title">
+          {{ title }}
+        </slot>
+      </p>
+      <p
+        v-if="hint || $slots.hint"
+        class="mt-1 text-xs leading-relaxed text-muted"
+      >
+        <slot name="hint">
+          {{ hint }}
+        </slot>
+      </p>
+    </div>
+    <USwitch
+      v-model="model"
+      :disabled="disabled"
+      class="mt-0.5 shrink-0"
+    />
+  </div>
+</template>