feat: add pipeline status monitoring dialog

- Add pipeline status API and types
- Create PipelineStatusDialog component with position control
- Unify modal overlay style across components

lightrag_webui/src/api/lightrag.ts

@@ -141,6 +141,20 @@ export type AuthStatusResponse = {
   api_version?: string
 }
 
+export type PipelineStatusResponse = {
+  autoscanned: boolean
+  busy: boolean
+  job_name: string
+  job_start?: string
+  docs: number
+  batchs: number
+  cur_batch: number
+  request_pending: boolean
+  latest_message: string
+  history_messages?: string[]
+  update_status?: Record<string, any>
+}
+
 export type LoginResponse = {
   access_token: string
   token_type: string
@@ -424,6 +438,11 @@ export const getAuthStatus = async (): Promise<AuthStatusResponse> => {
   }
 }
 
+export const getPipelineStatus = async (): Promise<PipelineStatusResponse> => {
+  const response = await axiosInstance.get('/documents/pipeline_status')
+  return response.data
+}
+
 export const loginToServer = async (username: string, password: string): Promise<LoginResponse> => {
   const formData = new FormData();
   formData.append('username', username);

lightrag_webui/src/components/ApiKeyAlert.tsx

@@ -5,7 +5,8 @@ import {
   AlertDialogContent,
   AlertDialogDescription,
   AlertDialogHeader,
-  AlertDialogTitle
+  AlertDialogTitle,
+  AlertDialogOverlay
 } from '@/components/ui/AlertDialog'
 import Button from '@/components/ui/Button'
 import Input from '@/components/ui/Input'
@@ -50,6 +51,7 @@ const ApiKeyAlert = ({ open: opened, onOpenChange: setOpened }: ApiKeyAlertProps
 
   return (
     <AlertDialog open={opened} onOpenChange={setOpened}>
+      <AlertDialogOverlay className="bg-black/30" />
       <AlertDialogContent>
         <AlertDialogHeader>
           <AlertDialogTitle>{t('apiKeyAlert.title')}</AlertDialogTitle>

lightrag_webui/src/components/documents/PipelineStatusDialog.tsx

@@ -0,0 +1,196 @@
+import { useState, useEffect, useRef } from 'react'
+import { useTranslation } from 'react-i18next'
+import { toast } from 'sonner'
+import { X, AlignLeft, AlignCenter, AlignRight } from 'lucide-react'
+
+import {
+  AlertDialog,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  AlertDialogOverlay
+} from '@/components/ui/AlertDialog'
+import Button from '@/components/ui/Button'
+import { getPipelineStatus, PipelineStatusResponse } from '@/api/lightrag'
+import { errorMessage } from '@/lib/utils'
+import { cn } from '@/lib/utils'
+
+type DialogPosition = 'left' | 'center' | 'right'
+
+interface PipelineStatusDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+}
+
+export default function PipelineStatusDialog({
+  open,
+  onOpenChange
+}: PipelineStatusDialogProps) {
+  const { t } = useTranslation()
+  const [status, setStatus] = useState<PipelineStatusResponse | null>(null)
+  const [position, setPosition] = useState<DialogPosition>('center')
+  const [isUserScrolled, setIsUserScrolled] = useState(false)
+  const historyRef = useRef<HTMLDivElement>(null)
+
+  // Reset position when dialog opens
+  useEffect(() => {
+    if (open) {
+      setPosition('center')
+      setIsUserScrolled(false)
+    }
+  }, [open])
+
+  // Handle scroll position
+  useEffect(() => {
+    const container = historyRef.current
+    if (!container || isUserScrolled) return
+
+    container.scrollTop = container.scrollHeight
+  }, [status?.history_messages, isUserScrolled])
+
+  const handleScroll = () => {
+    const container = historyRef.current
+    if (!container) return
+
+    const isAtBottom = Math.abs(
+      (container.scrollHeight - container.scrollTop) - container.clientHeight
+    ) < 1
+    
+    if (isAtBottom) {
+      setIsUserScrolled(false)
+    } else {
+      setIsUserScrolled(true)
+    }
+  }
+
+  // Refresh status every 2 seconds
+  useEffect(() => {
+    if (!open) return
+
+    const fetchStatus = async () => {
+      try {
+        const data = await getPipelineStatus()
+        setStatus(data)
+      } catch (err) {
+        toast.error(t('documentPanel.pipelineStatus.errors.fetchFailed', { error: errorMessage(err) }))
+      }
+    }
+
+    fetchStatus()
+    const interval = setInterval(fetchStatus, 2000)
+    return () => clearInterval(interval)
+  }, [open, t])
+
+  return (
+    <AlertDialog open={open} onOpenChange={onOpenChange}>
+      <AlertDialogOverlay className="bg-black/30" />
+      <AlertDialogContent 
+        className={cn(
+          'sm:max-w-[600px] transition-all duration-200',
+          position === 'left' && '!left-4 !translate-x-0',
+          position === 'center' && '!left-1/2 !-translate-x-1/2',
+          position === 'right' && '!right-4 !left-auto !translate-x-0'
+        )}
+      >
+        <AlertDialogHeader className="flex flex-row items-center justify-between">
+          <AlertDialogTitle>
+            {t('documentPanel.pipelineStatus.title')}
+          </AlertDialogTitle>
+          
+          {/* Position control buttons and close button */}
+          <div className="flex items-center gap-2">
+            <div className="flex items-center gap-1">
+              <Button
+                variant="ghost"
+                size="icon"
+                className={cn(
+                  'h-6 w-6',
+                  position === 'left' && 'bg-zinc-200 text-zinc-800 hover:bg-zinc-300 dark:bg-zinc-700 dark:text-zinc-200 dark:hover:bg-zinc-600'
+                )}
+                onClick={() => setPosition('left')}
+              >
+                <AlignLeft className="h-4 w-4" />
+              </Button>
+              <Button
+                variant="ghost"
+                size="icon"
+                className={cn(
+                  'h-6 w-6',
+                  position === 'center' && 'bg-zinc-200 text-zinc-800 hover:bg-zinc-300 dark:bg-zinc-700 dark:text-zinc-200 dark:hover:bg-zinc-600'
+                )}
+                onClick={() => setPosition('center')}
+              >
+                <AlignCenter className="h-4 w-4" />
+              </Button>
+              <Button
+                variant="ghost"
+                size="icon"
+                className={cn(
+                  'h-6 w-6',
+                  position === 'right' && 'bg-zinc-200 text-zinc-800 hover:bg-zinc-300 dark:bg-zinc-700 dark:text-zinc-200 dark:hover:bg-zinc-600'
+                )}
+                onClick={() => setPosition('right')}
+              >
+                <AlignRight className="h-4 w-4" />
+              </Button>
+            </div>
+            <Button
+              variant="ghost"
+              size="icon"
+              className="h-6 w-6"
+              onClick={() => onOpenChange(false)}
+            >
+              <X className="h-4 w-4" />
+            </Button>
+          </div>
+        </AlertDialogHeader>
+
+        {/* Status Content */}
+        <div className="space-y-4 pt-4">
+          {/* 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={`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={`h-2 w-2 rounded-full ${status?.request_pending ? 'bg-green-500' : 'bg-gray-300'}`} />
+            </div>
+          </div>
+
+          {/* Job Information */}
+          <div className="rounded-md border p-3 space-y-2">
+            <div>Job Name: {status?.job_name || '-'}</div>
+            <div className="flex justify-between">
+              <span>Start Time: {status?.job_start ? new Date(status.job_start).toLocaleString() : '-'}</span>
+              <span>Progress: {status ? `${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="font-mono text-sm rounded-md bg-zinc-800 text-zinc-100 p-3">
+              {status?.latest_message || '-'}
+            </div>
+          </div>
+
+          {/* History Messages */}
+          <div className="space-y-2">
+            <div className="text-sm font-medium">History Messages:</div>
+            <div 
+              ref={historyRef}
+              onScroll={handleScroll}
+              className="font-mono text-sm rounded-md bg-zinc-800 text-zinc-100 p-3 h-[20em] overflow-y-auto"
+            >
+              {status?.history_messages?.map((msg, idx) => (
+                <div key={idx}>{msg}</div>
+              )) || '-'}
+            </div>
+          </div>
+        </div>
+      </AlertDialogContent>
+    </AlertDialog>
+  )
+}

lightrag_webui/src/components/ui/AlertDialog.tsx

@@ -30,7 +30,6 @@ const AlertDialogContent = React.forwardRef<
   React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Content>
 >(({ className, ...props }, ref) => (
   <AlertDialogPortal>
-    <AlertDialogOverlay />
     <AlertDialogPrimitive.Content
       ref={ref}
       className={cn(

lightrag_webui/src/features/DocumentManager.tsx

@@ -20,8 +20,9 @@ import { errorMessage } from '@/lib/utils'
 import { toast } from 'sonner'
 import { useBackendState } from '@/stores/state'
 
-import { RefreshCwIcon } from 'lucide-react'
+import { RefreshCwIcon, ActivityIcon } from 'lucide-react'
 import { DocStatusResponse } from '@/api/lightrag'
+import PipelineStatusDialog from '@/components/documents/PipelineStatusDialog'
 
 const getDisplayFileName = (doc: DocStatusResponse, maxLength: number = 20): string => {
   // Check if file_path exists and is a non-empty string
@@ -45,6 +46,7 @@ const getDisplayFileName = (doc: DocStatusResponse, maxLength: number = 20): str
 };
 
 export default function DocumentManager() {
+  const [showPipelineStatus, setShowPipelineStatus] = useState(false)
   const { t } = useTranslation()
   const health = useBackendState.use.health()
   const [docs, setDocs] = useState<DocsStatusesResponse | null>(null)
@@ -114,18 +116,33 @@ export default function DocumentManager() {
       </CardHeader>
       <CardContent className="space-y-4">
         <div className="flex gap-2">
-          <Button
-            variant="outline"
-            onClick={scanDocuments}
-            side="bottom"
-            tooltip={t('documentPanel.documentManager.scanTooltip')}
-            size="sm"
-          >
-            <RefreshCwIcon /> {t('documentPanel.documentManager.scanButton')}
-          </Button>
+          <div className="flex gap-2">
+            <Button
+              variant="outline"
+              onClick={scanDocuments}
+              side="bottom"
+              tooltip={t('documentPanel.documentManager.scanTooltip')}
+              size="sm"
+            >
+              <RefreshCwIcon /> {t('documentPanel.documentManager.scanButton')}
+            </Button>
+            <Button
+              variant="outline"
+              onClick={() => setShowPipelineStatus(true)}
+              side="bottom"
+              tooltip="View pipeline status"
+              size="sm"
+            >
+              <ActivityIcon /> Pipeline Status
+            </Button>
+          </div>
           <div className="flex-1" />
           <ClearDocumentsDialog />
           <UploadDocumentsDialog />
+          <PipelineStatusDialog
+            open={showPipelineStatus}
+            onOpenChange={setShowPipelineStatus}
+          />
         </div>
 
         <Card>