移动端下载器改版：重构为底部三标签的信息架构

- 以 TabBar + 三个视图（任务/搜索/设置）替换原有 DashBoard/Side/HentaiSearch 单页结构
- 拆分 TaskView / TaskRow / TaskDetailSheet / SearchView / SettingsView / AuthScreen
- 统一 theme.css 视觉规范，补 AppIcon 与缩略图工具 thumbnail.js 及其单测
- 提交弹层默认选中最高可用分辨率，缩略图加载失败走占位
- E站搜索结果与远端抽屉补回「在线看」入口

src/components/TaskRow.vue

@@ -0,0 +1,63 @@
+<script setup>
+import {computed} from "vue";
+import store from "../store/index.js";
+
+const props = defineProps({
+  gallery: {type: Object, required: true},
+  retrying: {type: Boolean, default: false},
+});
+
+defineEmits(["open", "download", "retry"]);
+
+// Only a running download reports a percentage; everything else uses the status text.
+const percent = computed(() => {
+  const gallery = props.gallery;
+  if (!gallery || gallery.status !== "下载中" || !gallery.pages) return null;
+  const done = Number(gallery.proceeding) || 0;
+  return Math.min(100, Math.max(0, Math.round((done / gallery.pages) * 100)));
+});
+
+const title = computed(() => {
+  return store.state.galleryNameType === "name" ? props.gallery.name : props.gallery.shortName;
+});
+
+// States arrive as Chinese labels from the backend; map them to pill colours.
+const statusClass = computed(() => {
+  const status = props.gallery.status;
+  if (status === "下载完成") return "is-done";
+  if (status === "下载中" || status === "压缩中") return "is-running";
+  return "is-waiting";
+});
+</script>
+
+<template>
+  <div class="task-row">
+    <button type="button" class="task-row-open" @click="$emit('open', gallery)">
+      <span class="task-thumb">
+        <img v-if="gallery.thumb_link" :src="gallery.thumb_link" alt="" loading="lazy">
+      </span>
+      <span class="task-body">
+        <span class="task-title">{{ title }}</span>
+        <span class="task-meta">{{ gallery.pages }} 页 · {{ gallery.language }} · {{ gallery.fileSize }}</span>
+      </span>
+      <span class="task-foot">
+        <span class="status-pill" :class="statusClass">{{ gallery.status }}</span>
+      </span>
+    </button>
+
+    <span v-if="percent !== null" class="task-side task-side-num">{{ percent }}%</span>
+    <button v-else-if="gallery.status === '下载完成'"
+            type="button"
+            class="task-side task-side-act"
+            aria-label="下载文件"
+            @click="$emit('download', gallery)">下载</button>
+    <button v-else
+            type="button"
+            class="task-side task-side-muted"
+            :disabled="retrying"
+            aria-label="重试任务"
+            @click="$emit('retry', gallery)">{{ retrying ? "重试中" : "重试" }}</button>
+
+    <span v-if="percent !== null" class="task-row-edge"><i :style="{width: percent + '%'}"></i></span>
+  </div>
+</template>