feat(brand): 品牌检测任务统一轮询驱动并展示行级实时进度

任务面板状态改为独立轮询（getTaskPollIntervalMs 节奏），刷新/提交/取消/删除后
按是否有运行中任务自动续轮询或停表；运行中任务通过详情接口拉取 Redis 行级进度，
进度按"已处理品牌行/总行（含查询失败）"推进并展示 crawling/assembling/uploading 阶段文案

frontend-vue/src/pages/brand/components/BrandBrandTab.vue

@@ -68,7 +68,7 @@
 
         <section class="right-panel">
           <div class="panel-actions-row">
-            <button type="button" class="btn-refresh" @click="loadTasks">刷新任务状态</button>
+            <button type="button" class="btn-refresh" @click="syncTasksAndResumePolling">刷新任务状态</button>
           </div>
           <TaskCenterPanel
             :on-batch-delete="batchDeleteHistory"
@@ -113,6 +113,7 @@ import { getPywebviewApi } from '@/shared/bridges/pywebview'
 import {
   cancelBrandTask,
   deleteBrandTask,
+  getBrandTask,
   getBrandTaskDownloadUrl,
   getBrandTasks,
   runBrandNow,
@@ -120,6 +121,8 @@ import {
 } from '@/shared/api/brand'
 import { checkSelectedFiles, EXCEL_EXTENSIONS } from '@/shared/dispatch-guard.ts'
 import { passGuard } from '@/shared/dispatch-guard-ui'
+import { getTaskPollIntervalMs } from '@/shared/task-progress-config'
+import { createCategorizedTimers } from '@/shared/utils/categorized-timers'
 import type { UploadFileVo } from '@/shared/api/upload.ts'
 import type { UploadedFileRef } from '@/shared/api/types/upload.ts'
 import type { BrandExpandFolderItem } from '@/shared/api/types/modules/brand'
@@ -147,8 +150,79 @@ function baseName(path: string) {
   return path.split(/[\\/]/).pop() || path
 }
 
+const timers = createCategorizedTimers('brand-brand-task')
 let pollTimer: number | null = null
+/** taskId -> 行级进度快照（按“已处理品牌行 / 总品牌行”推进，成功或查询失败都计入完成数） */
+const lineProgressMap = ref<Record<string, { current: number; total: number; phase?: string }>>({})
 
+const BRAND_PHASE_TEXT: Record<string, string> = {
+  crawling: '品牌查询中',
+  assembling: '结果生成中',
+  uploading: '结果上传中',
+  failed: '处理失败',
+}
+
+function hasBusyBrandTask() {
+  return tasks.value.some(isBusyBrandTask)
+}
+
+function stopPolling() {
+  if (pollTimer != null) {
+    timers.clearTimer('task-poll', pollTimer)
+    pollTimer = null
+  }
+}
+
+function scheduleNextPoll() {
+  if (pollTimer != null) return
+  pollTimer = timers.setTimeout('task-poll', () => {
+    pollTimer = null
+    void pollOnce()
+  }, getTaskPollIntervalMs())
+}
+
+async function pollOnce() {
+  await loadTasks()
+  const busy = tasks.value.filter(isBusyBrandTask)
+  if (!busy.length) {
+    stopPolling()
+    return
+  }
+  // 清理已不在运行集合的任务旧快照，并拉取运行中任务的实时行级进度
+  for (const key of Object.keys(lineProgressMap.value)) {
+    if (!busy.some((b) => String(b.id) === key)) delete lineProgressMap.value[key]
+  }
+  for (const item of busy) {
+    const id = Number(item.id)
+    if (!id) continue
+    try {
+      const res = await getBrandTask(id)
+      const lp = res?.line_progress
+      if (lp?.has_progress && lp.info) {
+        lineProgressMap.value[String(id)] = {
+          current: Number(lp.info.current_line) || 0,
+          total: Number(lp.info.total_lines) || 0,
+          phase: lp.info.phase,
+        }
+      } else {
+        delete lineProgressMap.value[String(id)]
+      }
+    } catch {
+      // 单条详情失败不中断整轮轮询
+    }
+  }
+  scheduleNextPoll()
+}
+
+/** 拉一次列表；若仍有运行/排队任务则保持自动轮询，否则停表 */
+async function syncTasksAndResumePolling() {
+  await loadTasks()
+  if (hasBusyBrandTask()) {
+    scheduleNextPoll()
+  } else {
+    stopPolling()
+  }
+}
 
 function isRunning(item: BrandTaskItem) {
   return (item.status || '').toLowerCase() === 'running'
@@ -227,8 +301,33 @@ function itemSource(item: TaskItemView): BrandTaskItem {
 }
 
 function toBrandTaskView(item: BrandTaskItem): TaskItemView {
-  const total = Number(item.progress_total) || 0
-  const current = Number(item.progress_current) || 0
+  const totalFiles = Number(item.progress_total) || 0
+  const doneFiles = Number(item.progress_current) || 0
+  const lp = isRunning(item) ? lineProgressMap.value[String(item.id)] : undefined
+  const lineTotal = lp?.total || 0
+  const lineCurrent = lp?.current || 0
+  const extraLines = [
+    ...(item.file_paths?.length ? [`文件：${item.file_paths.length} 个`] : []),
+    ...(lp && lineTotal > 0 ? [`已处理 ${lineCurrent} 行 / 共 ${lineTotal} 行（含查询失败）`] : []),
+    ...(errorMessage(item) ? [`错误：${errorMessage(item)}`] : []),
+  ]
+  // 行级进度优先：完成数 = 已处理品牌行（成功或查询失败都计入），进度 = 完成数 / 总数 * 100
+  let progress: TaskItemView['progress'] = null
+  if (isRunning(item)) {
+    if (lp && lineTotal > 0) {
+      progress = {
+        percent: Math.max(0, Math.min(100, Math.round((lineCurrent / lineTotal) * 100))),
+        stage: (lp.phase && BRAND_PHASE_TEXT[lp.phase]) || '品牌检测中',
+        countLabel: `${lineCurrent}/${lineTotal}`,
+      }
+    } else {
+      progress = {
+        percent: taskProgress(item),
+        stage: '任务进度',
+        countLabel: totalFiles > 0 ? `${doneFiles}/${totalFiles}` : undefined,
+      }
+    }
+  }
   return {
     key: `brand-${item.id}`,
     title: (item.desc || '').trim() || '品牌检测',
@@ -237,17 +336,8 @@ function toBrandTaskView(item: BrandTaskItem): TaskItemView {
     finishedAt: isTerminal(item) ? formatDateTime(item.updated_at) : '',
     statusText: statusText(item.status),
     statusClass: statusClass(item.status),
-    extraLines: [
-      ...(item.file_paths?.length ? [`文件：${item.file_paths.length} 个`] : []),
-      ...(errorMessage(item) ? [`错误：${errorMessage(item)}`] : []),
-    ],
-    progress: isRunning(item)
-      ? {
-          percent: taskProgress(item),
-          stage: '任务进度',
-          countLabel: total > 0 ? `${current}/${total}` : undefined,
-        }
-      : null,
+    extraLines,
+    progress,
     source: item,
   }
 }
@@ -360,7 +450,7 @@ async function submitRun() {
       throw new Error((res as { error?: string }).error || '运行失败')
     }
     uploadedFiles.value = []
-    await loadTasks()
+    await syncTasksAndResumePolling()
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '提交失败')
   } finally {
@@ -392,7 +482,7 @@ async function cancelTask(item: BrandTaskItem) {
     const res = await cancelBrandTask(item.id)
     if (!res.success) throw new Error((res as { error?: string }).error || '取消失败')
     ElMessage.success('已取消')
-    await loadTasks()
+    await syncTasksAndResumePolling()
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '取消失败')
   }
@@ -408,7 +498,7 @@ async function deleteTask(item: BrandTaskItem) {
     const res = await deleteBrandTask(item.id)
     if (!res.success) throw new Error((res as { error?: string }).error || '删除失败')
     ElMessage.success('已删除')
-    await loadTasks()
+    await syncTasksAndResumePolling()
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '删除失败')
   }
@@ -461,14 +551,11 @@ async function downloadTemplate(kind: 'xlsx' | 'zip') {
 }
 
 onMounted(() => {
-  void loadTasks()
+  void syncTasksAndResumePolling()
 })
 
 onBeforeUnmount(() => {
-  if (pollTimer) {
-    window.clearTimeout(pollTimer)
-    pollTimer = null
-  }
+  stopPolling()
 })
 
 /**

frontend-vue/src/shared/api/types/modules/brand.ts

@@ -45,9 +45,28 @@ export interface BrandTaskListResponse {
   error?: string
 }
 
+/** Java 详情接口返回的行级进度（Redis 实时进度，每提交一个分片推进 current_line） */
+export interface BrandLineProgressInfo {
+  file_index?: number
+  file_total?: number
+  file_name?: string
+  /** 已处理行/品牌数 */
+  current_line?: number
+  /** 总行/品牌数 */
+  total_lines?: number
+  /** crawling / assembling / uploading / failed */
+  phase?: string
+}
+
+export interface BrandLineProgress {
+  has_progress?: boolean
+  info?: BrandLineProgressInfo
+}
+
 export interface BrandTaskDetailResponse {
   success: boolean
   task?: BrandTaskItem
+  line_progress?: BrandLineProgress
   error?: string
 }