feat(i18n): add translations for pipeline status UI

lightrag_webui/src/components/documents/PipelineStatusDialog.tsx

@@ -150,27 +150,27 @@ export default function PipelineStatusDialog({
           {/* Pipeline Status */}
           <div className="flex items-center gap-4">
             <div className="flex items-center gap-2">
-              <div className="text-sm font-medium">Busy:</div>
+              <div className="text-sm font-medium">{t('documentPanel.pipelineStatus.busy')}:</div>
               <div className={`h-2 w-2 rounded-full ${status?.busy ? 'bg-green-500' : 'bg-gray-300'}`} />
             </div>
             <div className="flex items-center gap-2">
-              <div className="text-sm font-medium">Request Pending:</div>
+              <div className="text-sm font-medium">{t('documentPanel.pipelineStatus.requestPending')}:</div>
               <div className={`h-2 w-2 rounded-full ${status?.request_pending ? 'bg-green-500' : 'bg-gray-300'}`} />
             </div>
           </div>
 
           {/* Job Information */}
           <div className="rounded-md border p-3 space-y-2">
-            <div>Job Name: {status?.job_name || '-'}</div>
+            <div>{t('documentPanel.pipelineStatus.jobName')}: {status?.job_name || '-'}</div>
             <div className="flex justify-between">
-              <span>Start Time: {status?.job_start ? new Date(status.job_start).toLocaleString() : '-'}</span>
+              <span>{t('documentPanel.pipelineStatus.startTime')}: {status?.job_start ? new Date(status.job_start).toLocaleString() : '-'}</span>
-              <span>Progress: {status ? `${status.cur_batch}/${status.batchs}` : '-'}</span>
+              <span>{t('documentPanel.pipelineStatus.progress')}: {status ? `${status.cur_batch}/${status.batchs}` : '-'}</span>
             </div>
           </div>
 
           {/* Latest Message */}
           <div className="space-y-2">
-            <div className="text-sm font-medium">Latest Message:</div>
+            <div className="text-sm font-medium">{t('documentPanel.pipelineStatus.latestMessage')}:</div>
             <div className="font-mono text-sm rounded-md bg-zinc-800 text-zinc-100 p-3">
               {status?.latest_message || '-'}
             </div>
@@ -178,7 +178,7 @@ export default function PipelineStatusDialog({
 
           {/* History Messages */}
           <div className="space-y-2">
-            <div className="text-sm font-medium">History Messages:</div>
+            <div className="text-sm font-medium">{t('documentPanel.pipelineStatus.historyMessages')}:</div>
             <div 
               ref={historyRef}
               onScroll={handleScroll}

lightrag_webui/src/features/DocumentManager.tsx

@@ -130,10 +130,10 @@ export default function DocumentManager() {
               variant="outline"
               onClick={() => setShowPipelineStatus(true)}
               side="bottom"
-              tooltip="View pipeline status"
+              tooltip={t('documentPanel.documentManager.pipelineStatusTooltip')}
               size="sm"
             >
-              <ActivityIcon /> Pipeline Status
+              <ActivityIcon /> {t('documentPanel.documentManager.pipelineStatusButton')}
             </Button>
           </div>
           <div className="flex-1" />

lightrag_webui/src/locales/ar.json

@@ -59,6 +59,8 @@
       "title": "إدارة المستندات",
       "scanButton": "مسح ضوئي",
       "scanTooltip": "مسح المستندات ضوئيًا",
+      "pipelineStatusButton": "حالة خط المعالجة",
+      "pipelineStatusTooltip": "عرض حالة خط المعالجة",
       "uploadedTitle": "المستندات المرفوعة",
       "uploadedDescription": "قائمة المستندات المرفوعة وحالاتها.",
       "emptyTitle": "لا توجد مستندات",
@@ -89,6 +91,19 @@
       "hideButton": "إخفاء",
       "showFileNameTooltip": "عرض اسم الملف",
       "hideFileNameTooltip": "إخفاء اسم الملف"
+    },
+    "pipelineStatus": {
+      "title": "حالة خط المعالجة",
+      "busy": "مشغول",
+      "requestPending": "الطلب معلق",
+      "jobName": "اسم المهمة",
+      "startTime": "وقت البدء",
+      "progress": "التقدم",
+      "latestMessage": "آخر رسالة",
+      "historyMessages": "سجل الرسائل",
+      "errors": {
+        "fetchFailed": "فشل في جلب حالة خط المعالجة\n{{error}}"
+      }
     }
   },
   "graphPanel": {

lightrag_webui/src/locales/fr.json

@@ -59,6 +59,8 @@
       "title": "Gestion des documents",
       "scanButton": "Scanner",
       "scanTooltip": "Scanner les documents",
+      "pipelineStatusButton": "État du Pipeline",
+      "pipelineStatusTooltip": "Voir l'état du pipeline",
       "uploadedTitle": "Documents téléchargés",
       "uploadedDescription": "Liste des documents téléchargés et leurs statuts.",
       "emptyTitle": "Aucun document",
@@ -84,6 +86,19 @@
         "scanFailed": "Échec de la numérisation des documents\n{{error}}",
         "scanProgressFailed": "Échec de l'obtention de la progression de la numérisation\n{{error}}"
       }
+    },
+    "pipelineStatus": {
+      "title": "État du Pipeline",
+      "busy": "Occupé",
+      "requestPending": "Requête en attente",
+      "jobName": "Nom du travail",
+      "startTime": "Heure de début",
+      "progress": "Progression",
+      "latestMessage": "Dernier message",
+      "historyMessages": "Historique des messages",
+      "errors": {
+        "fetchFailed": "Échec de la récupération de l'état du pipeline\n{{error}}"
+      }
     }
   },
   "graphPanel": {

lightrag_webui/src/locales/zh.json

@@ -59,6 +59,8 @@
       "title": "文档管理",
       "scanButton": "扫描",
       "scanTooltip": "扫描文档",
+      "pipelineStatusButton": "流水线状态",
+      "pipelineStatusTooltip": "查看流水线状态",
       "uploadedTitle": "已上传文档",
       "uploadedDescription": "已上传文档列表及其状态",
       "emptyTitle": "无文档",
@@ -89,6 +91,19 @@
       "hideButton": "隐藏",
       "showFileNameTooltip": "显示文件名",
       "hideFileNameTooltip": "隐藏文件名"
+    },
+    "pipelineStatus": {
+      "title": "流水线状态",
+      "busy": "忙碌",
+      "requestPending": "请求等待中",
+      "jobName": "作业名称",
+      "startTime": "开始时间",
+      "progress": "进度",
+      "latestMessage": "最新消息",
+      "historyMessages": "历史消息",
+      "errors": {
+        "fetchFailed": "获取流水线状态失败\n{{error}}"
+      }
     }
   },
   "graphPanel": {