refactor(sidebar): streamline conversation list with completed filter and expand toggle

Replace flat/grouped view toggle with a show-completed filter dropdown,
add expand/collapse-all control, extract status icon component, and
simplify the sidebar header.

src/components/conversations/sidebar-conversation-card.tsx

@@ -1,14 +1,22 @@
 "use client"
 
-import { memo, useState, useCallback, useMemo } from "react"
+import { memo, useState, useCallback } from "react"
-import { formatDistanceToNow } from "date-fns"
+import {
-import { enUS, zhCN, zhTW } from "date-fns/locale"
+  Pencil,
-import { GitBranch, Pencil, Trash2, Circle, Download, Plus } from "lucide-react"
+  Trash2,
-import { useLocale, useTranslations } from "next-intl"
+  Circle,
+  CircleAlert,
+  CircleCheck,
+  CircleDashed,
+  CircleX,
+  Download,
+  Plus,
+  type LucideIcon,
+} from "lucide-react"
+import { useTranslations } from "next-intl"
 import type { DbConversationSummary, ConversationStatus } from "@/lib/types"
-import { STATUS_ORDER, STATUS_COLORS } from "@/lib/types"
+import { STATUS_ORDER } from "@/lib/types"
 import { cn } from "@/lib/utils"
-import { AgentIcon } from "@/components/agent-icon"
 import {
   ContextMenu,
   ContextMenuTrigger,
@@ -38,10 +46,29 @@ import {
 } from "@/components/ui/alert-dialog"
 import { Button } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
+import {
+  SidebarStatusIcon,
+  conversationStatusToBead,
+} from "./sidebar-status-icon"
+
+const STATUS_ICONS: Record<ConversationStatus, LucideIcon> = {
+  in_progress: CircleDashed,
+  pending_review: CircleAlert,
+  completed: CircleCheck,
+  cancelled: CircleX,
+}
+
+const STATUS_ICON_COLORS: Record<ConversationStatus, string> = {
+  in_progress: "text-blue-500",
+  pending_review: "text-orange-500",
+  completed: "text-green-500",
+  cancelled: "text-red-500",
+}
 
 interface SidebarConversationCardProps {
   conversation: DbConversationSummary
   isSelected: boolean
+  timeLabel?: string
   onSelect: (id: number, agentType: string) => void
   onDoubleClick?: (id: number, agentType: string) => void
   onRename: (id: number, newTitle: string) => Promise<void>
@@ -55,6 +82,7 @@ interface SidebarConversationCardProps {
 export const SidebarConversationCard = memo(function SidebarConversationCard({
   conversation,
   isSelected,
+  timeLabel,
   onSelect,
   onDoubleClick,
   onRename,
@@ -65,23 +93,12 @@ export const SidebarConversationCard = memo(function SidebarConversationCard({
   importing,
 }: SidebarConversationCardProps) {
   const t = useTranslations("Folder.conversationCard")
+  const tSidebar = useTranslations("Folder.sidebar")
   const tStatus = useTranslations("Folder.statusLabels")
-  const locale = useLocale()
-  const dateFnsLocale =
-    locale === "zh-CN" ? zhCN : locale === "zh-TW" ? zhTW : enUS
   const [renameOpen, setRenameOpen] = useState(false)
   const [deleteOpen, setDeleteOpen] = useState(false)
   const [renameValue, setRenameValue] = useState("")
 
-  const timeAgo = useMemo(
-    () =>
-      formatDistanceToNow(new Date(conversation.updated_at), {
-        addSuffix: true,
-        locale: dateFnsLocale,
-      }),
-    [conversation.updated_at, dateFnsLocale]
-  )
-
   const handleClick = useCallback(() => {
     onSelect(conversation.id, conversation.agent_type)
   }, [onSelect, conversation.id, conversation.agent_type])
@@ -108,40 +125,83 @@ export const SidebarConversationCard = memo(function SidebarConversationCard({
     setDeleteOpen(false)
   }, [conversation.id, conversation.agent_type, onDelete])
 
+  const status = conversation.status as ConversationStatus
+  const beadStatus = conversationStatusToBead(conversation.status)
+  const isRunning = status === "in_progress"
+  const isFailed = status === "cancelled"
+
   return (
     <>
       <ContextMenu>
         <ContextMenuTrigger asChild>
-          <button
+          <div className="relative h-[2rem]">
-            data-conversation-id={conversation.id}
+            <button
-            onClick={handleClick}
+              data-conversation-id={conversation.id}
-            onDoubleClick={handleDblClick}
+              onClick={handleClick}
-            className={cn(
+              onDoubleClick={handleDblClick}
-              "w-full text-left px-3 py-2.5 mb-1 rounded-md transition-colors",
+              className={cn(
-              isSelected
+                "relative flex h-[1.9375rem] w-full items-center gap-[0.625rem] text-left outline-none",
-                ? "bg-sidebar-accent text-sidebar-accent-foreground"
+                "rounded-[0.375rem] text-sidebar-foreground",
-                : "hover:bg-sidebar-accent/50"
+                "transition-colors duration-[120ms]",
-            )}
+                "pr-[0.5rem] pl-[1.875rem]",
-          >
+                isSelected
-            <div className="flex items-center gap-1.5 min-w-0">
+                  ? "bg-sidebar-primary/15"
-              <AgentIcon
+                  : "hover:bg-[color-mix(in_oklab,var(--sidebar-accent),var(--sidebar-foreground)_2%)]"
-                agentType={conversation.agent_type}
+              )}
-                className="size-4 shrink-0"
+            >
+              <span
+                aria-hidden
+                className="pointer-events-none absolute top-0 bottom-0 rounded-[0.125rem] bg-sidebar-primary/5"
+                style={{ left: "0.9375rem", width: "0.125rem" }}
               />
-              <span className="text-sm font-medium truncate">
+              <SidebarStatusIcon status={beadStatus} />
+
+              <span
+                className={cn(
+                  "relative min-w-0 flex-1 truncate text-[0.875rem]",
+                  isSelected
+                    ? "font-semibold tracking-[-0.00625rem]"
+                    : "font-normal"
+                )}
+              >
                 {conversation.title || t("untitledConversation")}
               </span>
-            </div>
+
-            <div className="flex items-center gap-3 mt-1 text-xs text-muted-foreground">
+              {isRunning ? (
-              <span>{timeAgo}</span>
+                <span
-              {conversation.git_branch && (
+                  className={cn(
-                <span className="flex items-center gap-0.5 truncate">
+                    "relative shrink-0 rounded-[0.1875rem] px-[0.375rem] py-px",
-                  <GitBranch className="h-3 w-3 shrink-0" />
+                    "text-[0.6875rem] font-semibold tracking-[0.01875rem]",
-                  <span className="truncate">{conversation.git_branch}</span>
+                    "bg-amber-500/10 text-amber-600 dark:bg-amber-400/15 dark:text-amber-400"
+                  )}
+                >
+                  {tSidebar("statusRunningBadge")}
                 </span>
-              )}
+              ) : isFailed ? (
-            </div>
+                <span
-          </button>
+                  className={cn(
+                    "relative shrink-0 rounded-[0.1875rem] px-[0.375rem] py-px",
+                    "text-[0.6875rem] font-semibold tracking-[0.01875rem]",
+                    "bg-destructive/10 text-destructive"
+                  )}
+                >
+                  {tSidebar("statusFailedBadge")}
+                </span>
+              ) : timeLabel ? (
+                <span
+                  className={cn(
+                    "relative shrink-0 tabular-nums",
+                    "text-[0.71875rem]",
+                    isSelected
+                      ? "font-medium text-muted-foreground"
+                      : "font-normal text-muted-foreground/70"
+                  )}
+                >
+                  {timeLabel}
+                </span>
+              ) : null}
+            </button>
+          </div>
         </ContextMenuTrigger>
         <ContextMenuContent>
           {onNewConversation && (
@@ -165,20 +225,20 @@ export const SidebarConversationCard = memo(function SidebarConversationCard({
             </ContextMenuSubTrigger>
             <ContextMenuSubContent>
               {STATUS_ORDER.filter((s) => s !== conversation.status).map(
-                (s) => (
+                (s) => {
-                  <ContextMenuItem
+                  const StatusIcon = STATUS_ICONS[s]
-                    key={s}
+                  return (
-                    onSelect={() => onStatusChange(conversation.id, s)}
+                    <ContextMenuItem
-                  >
+                      key={s}
-                    <span
+                      onSelect={() => onStatusChange(conversation.id, s)}
-                      className={cn(
+                    >
-                        "w-2 h-2 rounded-full shrink-0",
+                      <StatusIcon
-                        STATUS_COLORS[s]
+                        className={cn("h-4 w-4", STATUS_ICON_COLORS[s])}
-                      )}
+                      />
-                    />
+                      {tStatus(s)}
-                    {tStatus(s)}
+                    </ContextMenuItem>
-                  </ContextMenuItem>
+                  )
-                )
+                }
               )}
             </ContextMenuSubContent>
           </ContextMenuSub>

src/components/conversations/sidebar-conversation-list.tsx

@@ -13,18 +13,12 @@ import {
 import { useTranslations } from "next-intl"
 import { toast } from "sonner"
 import { Virtualizer, type VirtualizerHandle } from "virtua"
-import {
+import { ChevronRight, Download, Loader2, Plus, XCircle } from "lucide-react"
-  CheckCheck,
-  ChevronRight,
-  Download,
-  Loader2,
-  Plus,
-  XCircle,
-} from "lucide-react"
 import { useActiveFolder } from "@/contexts/active-folder-context"
 import { useAppWorkspace } from "@/contexts/app-workspace-context"
 import { useTabContext } from "@/contexts/tab-context"
 import { useTaskContext } from "@/contexts/task-context"
+import { useZoomLevel } from "@/hooks/use-appearance"
 import {
   importLocalConversations,
   updateConversationTitle,
@@ -32,13 +26,12 @@ import {
   deleteConversation,
 } from "@/lib/api"
 import type { ConversationStatus, DbConversationSummary } from "@/lib/types"
-import { STATUS_ORDER, STATUS_COLORS } from "@/lib/types"
 import {
   loadFolderExpanded,
   saveFolderExpanded,
-  type SidebarViewMode,
 } from "@/lib/sidebar-view-mode-storage"
 import { SidebarConversationCard } from "./sidebar-conversation-card"
+import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Skeleton } from "@/components/ui/skeleton"
 import { ScrollArea } from "@/components/ui/scroll-area"
@@ -81,6 +74,23 @@ function compareByUpdatedAtDesc(
   return right.id - left.id
 }
 
+function formatRelative(iso: string): string {
+  const ts = parseTimestamp(iso)
+  if (!ts) return ""
+  const diff = Math.max(0, Date.now() - ts)
+  const m = Math.floor(diff / 60000)
+  if (m < 1) return "now"
+  if (m < 60) return `${m}m`
+  const h = Math.floor(m / 60)
+  if (h < 24) return `${h}h`
+  const d = Math.floor(h / 24)
+  if (d < 30) return `${d}d`
+  const mo = Math.floor(d / 30)
+  if (mo < 12) return `${mo}mo`
+  const y = Math.floor(mo / 12)
+  return `${y}y`
+}
+
 type FlatItem =
   | {
       type: "folder_header"
@@ -90,15 +100,9 @@ type FlatItem =
       count: number
       expanded: boolean
     }
-  | {
-      type: "status_header"
-      status: ConversationStatus
-      count: number
-      parentFolderId?: number
-    }
   | { type: "conversation"; conversation: DbConversationSummary }
 
-const CARD_HEIGHT = 62
+const CARD_HEIGHT_REM = 2
 
 const FolderHeader = memo(function FolderHeader({
   folderId,
@@ -128,31 +132,49 @@ const FolderHeader = memo(function FolderHeader({
   return (
     <ContextMenu>
       <ContextMenuTrigger asChild>
-        <button
+        <div className="relative h-[2rem]">
-          data-folder-id={folderId}
+          <button
-          onClick={() => onToggle(folderId)}
+            data-folder-id={folderId}
-          className={cn(
+            onClick={() => onToggle(folderId)}
-            "flex items-center gap-1.5 w-full px-1.5 py-1.5 text-xs font-medium cursor-pointer transition-all",
-            "text-foreground hover:bg-accent/50 rounded-sm",
-            highlighted && "ring-2 ring-primary ring-offset-1"
-          )}
-        >
-          <ChevronRight
             className={cn(
-              "h-3.5 w-3.5 shrink-0 transition-transform text-muted-foreground",
+              "flex h-[1.9375rem] w-full items-center gap-[0.5rem] cursor-pointer outline-none",
-              expanded && "rotate-90"
+              "rounded-[0.4375rem] px-[0.625rem]",
+              "text-sidebar-foreground hover:bg-[color-mix(in_oklab,var(--sidebar-accent),var(--sidebar-foreground)_2%)]",
+              "transition-[background-color,color] duration-150",
+              highlighted && "ring-2 ring-sidebar-primary ring-offset-1"
             )}
-          />
+          >
-          <span className="truncate flex-1 text-left">{folderName}</span>
+            <span
-          {branch && (
+              className={cn(
-            <span className="text-[10px] text-muted-foreground truncate max-w-[80px]">
+                "flex h-[0.75rem] w-[0.75rem] shrink-0 items-center justify-center text-muted-foreground/75",
-              {branch}
+                "transition-transform duration-[180ms] [transition-timing-function:cubic-bezier(.3,.7,.3,1)]",
+                expanded ? "rotate-90" : "rotate-0"
+              )}
+            >
+              <ChevronRight className="h-[0.625rem] w-[0.625rem]" />
             </span>
-          )}
+            <div className="flex min-w-0 flex-1 items-center gap-[0.375rem]">
-          <span className="text-muted-foreground/60 tabular-nums text-[10px]">
+              <span className="min-w-0 flex-shrink truncate text-left text-[0.875rem] font-semibold tracking-[-0.00625rem]">
-            ({count})
+                {folderName}
-          </span>
+              </span>
-        </button>
+              {branch && (
+                <Badge
+                  variant="outline"
+                  className={cn(
+                    "h-[1rem] max-w-[6.875rem] gap-0 px-[0.375rem] py-0",
+                    "text-[0.6875rem] font-medium leading-none tracking-[0.0125rem]",
+                    "border-sidebar-border text-muted-foreground/80"
+                  )}
+                >
+                  <span className="truncate">{branch}</span>
+                </Badge>
+              )}
+            </div>
+            <span className="shrink-0 text-[0.75rem] font-medium tabular-nums text-muted-foreground/70">
+              {count}
+            </span>
+          </button>
+        </div>
       </ContextMenuTrigger>
       <ContextMenuContent>
         <ContextMenuItem onSelect={() => onFocus(folderId)}>
@@ -174,96 +196,6 @@ const FolderHeader = memo(function FolderHeader({
   )
 })
 
-const StatusHeader = memo(function StatusHeader({
-  status,
-  count,
-  isOpen,
-  onToggle,
-  tStatus,
-}: {
-  status: ConversationStatus
-  count: number
-  isOpen: boolean
-  onToggle: (status: ConversationStatus) => void
-  tStatus: ReturnType<typeof useTranslations>
-}) {
-  return (
-    <button
-      onClick={() => onToggle(status)}
-      className="flex items-center gap-1.5 w-full px-1.5 py-1.5 text-xs font-medium text-muted-foreground hover:text-foreground transition-colors cursor-pointer"
-    >
-      <ChevronRight
-        className={cn(
-          "h-3.5 w-3.5 shrink-0 transition-transform",
-          isOpen && "rotate-90"
-        )}
-      />
-      <span
-        className={cn("w-2 h-2 rounded-full shrink-0", STATUS_COLORS[status])}
-      />
-      <span>{tStatus(status)}</span>
-      <span className="text-muted-foreground/60 tabular-nums">({count})</span>
-    </button>
-  )
-})
-
-const PendingReviewHeader = memo(function PendingReviewHeader({
-  count,
-  isOpen,
-  onToggle,
-  reviewConversationCount,
-  completingReview,
-  onCompleteReview,
-  tStatus,
-  t,
-}: {
-  count: number
-  isOpen: boolean
-  onToggle: (status: ConversationStatus) => void
-  reviewConversationCount: number
-  completingReview: boolean
-  onCompleteReview: () => void
-  tStatus: ReturnType<typeof useTranslations>
-  t: ReturnType<typeof useTranslations>
-}) {
-  return (
-    <ContextMenu>
-      <ContextMenuTrigger asChild>
-        <button
-          onClick={() => onToggle("pending_review")}
-          className="flex items-center gap-1.5 w-full px-1.5 py-1.5 text-xs font-medium text-muted-foreground hover:text-foreground transition-colors cursor-pointer"
-        >
-          <ChevronRight
-            className={cn(
-              "h-3.5 w-3.5 shrink-0 transition-transform",
-              isOpen && "rotate-90"
-            )}
-          />
-          <span
-            className={cn(
-              "w-2 h-2 rounded-full shrink-0",
-              STATUS_COLORS.pending_review
-            )}
-          />
-          <span>{tStatus("pending_review")}</span>
-          <span className="text-muted-foreground/60 tabular-nums">
-            ({count})
-          </span>
-        </button>
-      </ContextMenuTrigger>
-      <ContextMenuContent>
-        <ContextMenuItem
-          disabled={reviewConversationCount === 0 || completingReview}
-          onSelect={onCompleteReview}
-        >
-          <CheckCheck className="h-4 w-4" />
-          {t("completeAllSessions")}
-        </ContextMenuItem>
-      </ContextMenuContent>
-    </ContextMenu>
-  )
-})
-
 export interface SidebarConversationListHandle {
   scrollToActive: () => void
   expandAll: () => void
@@ -272,20 +204,19 @@ export interface SidebarConversationListHandle {
 }
 
 export interface SidebarConversationListProps {
-  viewMode?: SidebarViewMode
+  showCompleted?: boolean
-  searchQuery?: string
 }
 
 export function SidebarConversationList({
   ref,
-  viewMode = "flat",
+  showCompleted = true,
-  searchQuery = "",
 }: SidebarConversationListProps & {
   ref?: Ref<SidebarConversationListHandle>
 }) {
   const t = useTranslations("Folder.sidebar")
-  const tStatus = useTranslations("Folder.statusLabels")
   const tCommon = useTranslations("Folder.common")
+  const { zoomLevel } = useZoomLevel()
+  const cardHeightPx = (CARD_HEIGHT_REM * 16 * zoomLevel) / 100
   const {
     allFolders,
     conversations,
@@ -325,22 +256,13 @@ export function SidebarConversationList({
   }, [tabs, activeTabId])
 
   const [importing, setImporting] = useState(false)
-  const [completeReviewOpen, setCompleteReviewOpen] = useState(false)
-  const [completingReview, setCompletingReview] = useState(false)
-  const [groupExpanded, setGroupExpanded] = useState<
-    Record<ConversationStatus, boolean>
-  >({
-    in_progress: true,
-    pending_review: true,
-    completed: false,
-    cancelled: false,
-  })
   const [folderExpanded, setFolderExpanded] = useState<Record<number, boolean>>(
     {}
   )
   const [highlightedFolder, setHighlightedFolder] = useState<number | null>(
     null
   )
+  const [scrollOffset, setScrollOffset] = useState(0)
   const [removeConfirm, setRemoveConfirm] = useState<{
     folderId: number
     folderName: string
@@ -357,53 +279,25 @@ export function SidebarConversationList({
   const virtualizerRef = useRef<VirtualizerHandle>(null)
   const highlightTimerRef = useRef<number | null>(null)
 
-  const normalizedSearch = searchQuery.trim().toLowerCase()
   const filteredConversations = useMemo(() => {
-    if (!normalizedSearch) return conversations
+    if (showCompleted) return conversations
-    return conversations.filter((c) => {
+    return conversations.filter(
-      const title = (c.title ?? "").toLowerCase()
+      (c) => c.status !== "completed" && c.status !== "cancelled"
-      return title.includes(normalizedSearch)
+    )
-    })
+  }, [conversations, showCompleted])
-  }, [conversations, normalizedSearch])
 
-  const byStatus = useMemo(() => {
+  const byFolder = useMemo(() => {
-    const map = new Map<ConversationStatus, DbConversationSummary[]>()
+    const map = new Map<number, DbConversationSummary[]>()
     for (const conv of filteredConversations) {
-      const status = conv.status as ConversationStatus
+      const list = map.get(conv.folder_id)
-      const list = map.get(status)
       if (list) list.push(conv)
-      else map.set(status, [conv])
+      else map.set(conv.folder_id, [conv])
     }
     for (const list of map.values()) list.sort(compareByUpdatedAtDesc)
     return map
   }, [filteredConversations])
 
-  const byFolder = useMemo(() => {
-    const map = new Map<
-      number,
-      Map<ConversationStatus, DbConversationSummary[]>
-    >()
-    for (const conv of filteredConversations) {
-      const folderId = conv.folder_id
-      let inner = map.get(folderId)
-      if (!inner) {
-        inner = new Map<ConversationStatus, DbConversationSummary[]>()
-        map.set(folderId, inner)
-      }
-      const status = conv.status as ConversationStatus
-      const list = inner.get(status)
-      if (list) list.push(conv)
-      else inner.set(status, [conv])
-    }
-    for (const inner of map.values()) {
-      for (const list of inner.values()) list.sort(compareByUpdatedAtDesc)
-    }
-    return map
-  }, [filteredConversations])
-
   const orderedFolderIds = useMemo(() => {
-    // Show every folder in the workspace DB, even ones without conversations.
-    // Folders that only have orphan conversations still appear via byFolder.
     const seen = new Set<number>()
     const ids: number[] = []
     for (const f of allFolders) {
@@ -423,91 +317,83 @@ export function SidebarConversationList({
 
   const flatItems = useMemo<FlatItem[]>(() => {
     const items: FlatItem[] = []
-    if (viewMode === "grouped") {
+    for (const folderId of orderedFolderIds) {
-      for (const folderId of orderedFolderIds) {
+      const list = byFolder.get(folderId) ?? []
-        const inner = byFolder.get(folderId)
+      const folderName = folderIndex.get(folderId)?.name ?? String(folderId)
-        const totalCount = inner
+      const branch = branches.get(folderId) ?? null
-          ? Array.from(inner.values()).reduce(
+      const expanded = folderExpanded[folderId] ?? true
-              (sum, list) => sum + list.length,
+      items.push({
-              0
+        type: "folder_header",
-            )
+        folderId,
-          : 0
+        folderName,
-        const folderName = folderIndex.get(folderId)?.name ?? String(folderId)
+        branch,
-        const branch = branches.get(folderId) ?? null
+        count: list.length,
-        const expanded = folderExpanded[folderId] ?? true
+        expanded,
-        items.push({
+      })
-          type: "folder_header",
+      if (!expanded) continue
-          folderId,
+      for (const conv of list) {
-          folderName,
+        items.push({ type: "conversation", conversation: conv })
-          branch,
-          count: totalCount,
-          expanded,
-        })
-        if (!expanded || !inner) continue
-        for (const status of STATUS_ORDER) {
-          const list = inner.get(status)
-          if (!list || list.length === 0) continue
-          items.push({
-            type: "status_header",
-            status,
-            count: list.length,
-            parentFolderId: folderId,
-          })
-          if (groupExpanded[status]) {
-            for (const conv of list) {
-              items.push({ type: "conversation", conversation: conv })
-            }
-          }
-        }
-      }
-    } else {
-      for (const status of STATUS_ORDER) {
-        const list = byStatus.get(status)
-        if (!list || list.length === 0) continue
-        items.push({ type: "status_header", status, count: list.length })
-        if (groupExpanded[status]) {
-          for (const conv of list) {
-            items.push({ type: "conversation", conversation: conv })
-          }
-        }
       }
     }
     return items
-  }, [
+  }, [orderedFolderIds, byFolder, folderIndex, branches, folderExpanded])
-    viewMode,
-    orderedFolderIds,
-    byFolder,
-    folderIndex,
-    branches,
-    folderExpanded,
-    byStatus,
-    groupExpanded,
-  ])
 
-  const reviewConversations = useMemo(
+  const stickyState = useMemo<{
-    () => byStatus.get("pending_review") ?? [],
+    folder: Extract<FlatItem, { type: "folder_header" }> | null
-    [byStatus]
+    pushOffset: number
-  )
+  }>(() => {
-  const reviewConversationCount = reviewConversations.length
+    const vr = virtualizerRef.current
+    const startIdx = vr ? vr.findItemIndex(scrollOffset) : 0
+    let folderIdx = -1
+    for (let i = Math.min(startIdx, flatItems.length - 1); i >= 0; i--) {
+      if (flatItems[i]?.type === "folder_header") {
+        folderIdx = i
+        break
+      }
+    }
+    if (folderIdx < 0) {
+      return { folder: null, pushOffset: 0 }
+    }
+    const folder = flatItems[folderIdx] as Extract<
+      FlatItem,
+      { type: "folder_header" }
+    >
+    let pushOffset = 0
+    if (vr) {
+      const stickyHeight = vr.getItemSize(folderIdx) || cardHeightPx
+      for (let i = folderIdx + 1; i < flatItems.length; i++) {
+        if (flatItems[i].type === "folder_header") {
+          const nextRelativeY = vr.getItemOffset(i) - scrollOffset
+          if (nextRelativeY < stickyHeight) {
+            pushOffset = Math.min(0, nextRelativeY - stickyHeight)
+          }
+          break
+        }
+      }
+    }
+    return { folder, pushOffset }
+  }, [scrollOffset, flatItems, cardHeightPx])
+
+  const stickyFolderItem = stickyState.folder
 
   useImperativeHandle(ref, () => ({
     scrollToActive() {
       scrollToActiveRef.current()
     },
     expandAll() {
-      setGroupExpanded({
+      setFolderExpanded((prev) => {
-        in_progress: true,
+        const next: Record<number, boolean> = { ...prev }
-        pending_review: true,
+        for (const id of orderedFolderIds) next[id] = true
-        completed: true,
+        saveFolderExpanded(next)
-        cancelled: true,
+        return next
       })
     },
     collapseAll() {
-      setGroupExpanded({
+      setFolderExpanded((prev) => {
-        in_progress: false,
+        const next: Record<number, boolean> = { ...prev }
-        pending_review: false,
+        for (const id of orderedFolderIds) next[id] = false
-        completed: false,
+        saveFolderExpanded(next)
-        cancelled: false,
+        return next
       })
     },
     revealFolder(folderId: number) {
@@ -556,13 +442,7 @@ export function SidebarConversationList({
         (c) => c.id === targetId && c.agent_type === targetAgent
       )
       if (!conv) return
-      const status = conv.status as ConversationStatus
+      if (!(folderExpanded[conv.folder_id] ?? true)) {
-      if (!groupExpanded[status]) {
-        setGroupExpanded((prev) => ({ ...prev, [status]: true }))
-        pendingScrollRef.current = true
-        return
-      }
-      if (viewMode === "grouped" && !(folderExpanded[conv.folder_id] ?? true)) {
         setFolderExpanded((prev) => {
           const next = { ...prev, [conv.folder_id]: true }
           saveFolderExpanded(next)
@@ -589,18 +469,7 @@ export function SidebarConversationList({
       pendingScrollRef.current = false
       scrollToActiveRef.current()
     }
-  }, [
+  }, [selectedConversation, flatItems, conversations, folderExpanded])
-    selectedConversation,
-    flatItems,
-    conversations,
-    groupExpanded,
-    folderExpanded,
-    viewMode,
-  ])
-
-  const toggleGroup = useCallback((status: ConversationStatus) => {
-    setGroupExpanded((prev) => ({ ...prev, [status]: !prev[status] }))
-  }, [])
 
   const toggleFolder = useCallback((folderId: number) => {
     setFolderExpanded((prev) => {
@@ -655,11 +524,6 @@ export function SidebarConversationList({
     }
   }, [removeConfirm, closeTabsByFolder, removeFolderFromWorkspace, t])
 
-  const handleOpenCompleteReview = useCallback(
-    () => setCompleteReviewOpen(true),
-    []
-  )
-
   const handleSelect = useCallback(
     (id: number, agentType: string) => {
       const conv = conversations.find(
@@ -761,40 +625,8 @@ export function SidebarConversationList({
     }
   }, [importing, activeFolder, addTask, updateTask, refreshConversations, t])
 
-  const handleCompleteAllReview = useCallback(async () => {
+  const emptyAfterFilter =
-    if (completingReview || reviewConversationCount === 0) return
+    filteredConversations.length === 0 && conversations.length > 0
-    setCompletingReview(true)
-    try {
-      for (const conversation of reviewConversations) {
-        updateConversationLocal(conversation.id, { status: "completed" })
-      }
-      await Promise.all(
-        reviewConversations.map((conversation) =>
-          updateConversationStatus(conversation.id, "completed")
-        )
-      )
-      toast.success(
-        t("toasts.reviewCompleted", { count: reviewConversationCount })
-      )
-      setCompleteReviewOpen(false)
-    } catch (e) {
-      const msg = e instanceof Error ? e.message : String(e)
-      toast.error(t("toasts.completeReviewFailed", { message: msg }))
-      refreshConversations()
-    } finally {
-      setCompletingReview(false)
-    }
-  }, [
-    completingReview,
-    reviewConversationCount,
-    reviewConversations,
-    refreshConversations,
-    updateConversationLocal,
-    t,
-  ])
-
-  const emptyAfterSearch =
-    filteredConversations.length === 0 && normalizedSearch.length > 0
 
   return (
     <div className="relative flex flex-col flex-1 min-h-0">
@@ -856,7 +688,7 @@ export function SidebarConversationList({
             </ContextMenuItem>
           </ContextMenuContent>
         </ContextMenu>
-      ) : emptyAfterSearch ? (
+      ) : emptyAfterFilter ? (
         <div className="flex-1 flex items-center justify-center px-3">
           <p className="text-muted-foreground text-xs text-center">
             {t("noMatchingConversations")}
@@ -865,12 +697,50 @@ export function SidebarConversationList({
       ) : (
         <ContextMenu>
           <ContextMenuTrigger asChild>
-            <div className="flex-1 min-h-0">
+            <div className="flex-1 min-h-0 relative">
+              {stickyFolderItem && (
+                <div
+                  className="absolute top-0 left-0 right-0 z-10"
+                  style={{
+                    transform: `translateY(${stickyState.pushOffset}px)`,
+                  }}
+                >
+                  <div
+                    aria-hidden
+                    className="absolute inset-0 right-[0.5rem] bg-sidebar"
+                  />
+                  <div className="relative pl-[0.625rem] pr-[0.625rem]">
+                    <FolderHeader
+                      key={`sticky-${stickyFolderItem.folderId}`}
+                      folderId={stickyFolderItem.folderId}
+                      folderName={stickyFolderItem.folderName}
+                      branch={stickyFolderItem.branch}
+                      count={stickyFolderItem.count}
+                      expanded={stickyFolderItem.expanded}
+                      onToggle={toggleFolder}
+                      onFocus={focusFolder}
+                      onCloseFolderTabs={handleCloseFolderTabs}
+                      onRemoveFromWorkspace={handleRemoveFolder}
+                      highlighted={
+                        highlightedFolder === stickyFolderItem.folderId
+                      }
+                      t={t}
+                    />
+                  </div>
+                </div>
+              )}
               <ScrollArea
-                className={cn("h-full min-h-0 px-2", "[overflow-anchor:none]")}
+                className={cn(
+                  "h-full min-h-0 pl-[0.625rem] pr-[0.625rem] pt-[0.125rem] pb-[1.25rem]",
+                  "[overflow-anchor:none]"
+                )}
               >
-                <Virtualizer ref={virtualizerRef} itemSize={CARD_HEIGHT}>
+                <Virtualizer
-                  {flatItems.map((item, index) => {
+                  ref={virtualizerRef}
+                  itemSize={cardHeightPx}
+                  onScroll={setScrollOffset}
+                >
+                  {flatItems.map((item) => {
                     if (item.type === "folder_header") {
                       return (
                         <FolderHeader
@@ -889,52 +759,16 @@ export function SidebarConversationList({
                         />
                       )
                     }
-                    const indented =
-                      viewMode === "grouped" &&
-                      (item.type === "status_header"
-                        ? item.parentFolderId != null
-                        : true)
-                    if (item.type === "status_header") {
-                      const key = `status-${item.parentFolderId ?? "root"}-${item.status}-${index}`
-                      const headerNode =
-                        item.status === "pending_review" ? (
-                          <PendingReviewHeader
-                            key={key}
-                            count={item.count}
-                            isOpen={groupExpanded[item.status]}
-                            onToggle={toggleGroup}
-                            reviewConversationCount={reviewConversationCount}
-                            completingReview={completingReview}
-                            onCompleteReview={handleOpenCompleteReview}
-                            tStatus={tStatus}
-                            t={t}
-                          />
-                        ) : (
-                          <StatusHeader
-                            key={key}
-                            status={item.status}
-                            count={item.count}
-                            isOpen={groupExpanded[item.status]}
-                            onToggle={toggleGroup}
-                            tStatus={tStatus}
-                          />
-                        )
-                      return indented ? (
-                        <div key={key} className="pl-4">
-                          {headerNode}
-                        </div>
-                      ) : (
-                        headerNode
-                      )
-                    }
                     const conv = item.conversation
-                    const cardNode = (
+                    return (
                       <SidebarConversationCard
+                        key={`conv-${conv.id}`}
                         conversation={conv}
                         isSelected={
                           selectedConversation?.agentType === conv.agent_type &&
                           selectedConversation?.id === conv.id
                         }
+                        timeLabel={formatRelative(conv.updated_at)}
                         onSelect={handleSelect}
                         onDoubleClick={handleDoubleClick}
                         onRename={handleRename}
@@ -945,13 +779,6 @@ export function SidebarConversationList({
                         importing={importing}
                       />
                     )
-                    return indented ? (
-                      <div key={`conv-${conv.id}`} className="pl-4">
-                        {cardNode}
-                      </div>
-                    ) : (
-                      <div key={`conv-${conv.id}`}>{cardNode}</div>
-                    )
                   })}
                 </Virtualizer>
               </ScrollArea>
@@ -976,34 +803,6 @@ export function SidebarConversationList({
           </ContextMenuContent>
         </ContextMenu>
       )}
-      <AlertDialog
-        open={completeReviewOpen}
-        onOpenChange={(open) =>
-          !completingReview && setCompleteReviewOpen(open)
-        }
-      >
-        <AlertDialogContent>
-          <AlertDialogHeader>
-            <AlertDialogTitle>{t("completeAllReviewTitle")}</AlertDialogTitle>
-            <AlertDialogDescription>
-              {t("completeAllReviewDescription", {
-                count: reviewConversationCount,
-              })}
-            </AlertDialogDescription>
-          </AlertDialogHeader>
-          <AlertDialogFooter>
-            <AlertDialogCancel disabled={completingReview}>
-              {tCommon("cancel")}
-            </AlertDialogCancel>
-            <AlertDialogAction
-              disabled={completingReview || reviewConversationCount === 0}
-              onClick={handleCompleteAllReview}
-            >
-              {completingReview ? t("completing") : tCommon("confirm")}
-            </AlertDialogAction>
-          </AlertDialogFooter>
-        </AlertDialogContent>
-      </AlertDialog>
 
       <AlertDialog
         open={removeConfirm !== null}

src/components/conversations/sidebar-status-icon.tsx

@@ -0,0 +1,180 @@
+"use client"
+
+import { cn } from "@/lib/utils"
+
+export type SidebarBeadStatus = "done" | "active" | "running" | "failed"
+
+interface SidebarStatusIconProps {
+  status: SidebarBeadStatus
+  className?: string
+}
+
+export function SidebarStatusIcon({
+  status,
+  className,
+}: SidebarStatusIconProps) {
+  if (status === "running") {
+    return (
+      <div
+        className={cn(
+          "pointer-events-none absolute top-1/2",
+          "flex items-center justify-center",
+          "text-amber-600 dark:text-amber-400",
+          className
+        )}
+        style={{
+          left: "0.625rem",
+          width: "0.75rem",
+          height: "0.75rem",
+          transform: "translateY(-50%)",
+        }}
+        aria-hidden
+      >
+        <svg
+          width="0.75rem"
+          height="0.75rem"
+          viewBox="0 0 12 12"
+          className="absolute inset-0"
+        >
+          <circle
+            cx="6"
+            cy="6"
+            r="5.4"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1"
+            opacity="0.18"
+          />
+        </svg>
+        <svg width="0.625rem" height="0.625rem" viewBox="0 0 10 10">
+          <circle
+            cx="5"
+            cy="5"
+            r="3.6"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1.2"
+            opacity="0.28"
+          />
+          <path
+            d="M5 1.4 A 3.6 3.6 0 1 1 1.4 5"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1.4"
+            strokeLinecap="round"
+          >
+            <animateTransform
+              attributeName="transform"
+              type="rotate"
+              from="0 5 5"
+              to="360 5 5"
+              dur="1.1s"
+              repeatCount="indefinite"
+            />
+          </path>
+        </svg>
+      </div>
+    )
+  }
+
+  if (status === "failed") {
+    return (
+      <div
+        className={cn(
+          "pointer-events-none absolute top-1/2",
+          "flex items-center justify-center",
+          "text-destructive",
+          className
+        )}
+        style={{
+          left: "0.6875rem",
+          width: "0.625rem",
+          height: "0.625rem",
+          transform: "translateY(-50%)",
+        }}
+        aria-hidden
+      >
+        <svg width="0.625rem" height="0.625rem" viewBox="0 0 10 10">
+          <circle
+            cx="5"
+            cy="5"
+            r="3.8"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1.2"
+          />
+          <path
+            d="M3.5 3.5L6.5 6.5M6.5 3.5L3.5 6.5"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1.4"
+            strokeLinecap="round"
+          />
+        </svg>
+      </div>
+    )
+  }
+
+  if (status === "active") {
+    return (
+      <div
+        className={cn(
+          "pointer-events-none absolute top-1/2",
+          "flex items-center justify-center",
+          "text-sidebar-primary",
+          className
+        )}
+        style={{
+          left: "0.6875rem",
+          width: "0.625rem",
+          height: "0.625rem",
+          transform: "translateY(-50%)",
+        }}
+        aria-hidden
+      >
+        <svg width="0.625rem" height="0.625rem" viewBox="0 0 10 10">
+          <circle
+            cx="5"
+            cy="5"
+            r="3.8"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="1.2"
+            opacity="0.35"
+          />
+          <circle cx="5" cy="5" r="2" fill="currentColor" />
+        </svg>
+      </div>
+    )
+  }
+
+  return (
+    <div
+      className={cn(
+        "pointer-events-none absolute top-1/2 rounded-full bg-sidebar-primary/40",
+        className
+      )}
+      style={{
+        left: "0.8125rem",
+        width: "0.375rem",
+        height: "0.375rem",
+        transform: "translateY(-50%)",
+      }}
+      aria-hidden
+    />
+  )
+}
+
+export function conversationStatusToBead(status: string): SidebarBeadStatus {
+  switch (status) {
+    case "in_progress":
+      return "running"
+    case "pending_review":
+      return "active"
+    case "cancelled":
+      return "failed"
+    case "completed":
+    default:
+      return "done"
+  }
+}

src/components/layout/sidebar.tsx

@@ -1,29 +1,26 @@
 "use client"
 
-import { useCallback, useEffect, useRef, useState } from "react"
+import { useCallback, useEffect, useMemo, useRef, useState } from "react"
 import {
   ChevronsDownUp,
   ChevronsUpDown,
   Crosshair,
-  FolderPlus,
+  EllipsisVertical,
-  FolderTree,
-  Plus,
-  Rows3,
-  Search,
-  X,
 } from "lucide-react"
 import { useTranslations } from "next-intl"
-import { toast } from "sonner"
-import { useActiveFolder } from "@/contexts/active-folder-context"
-import { useAppWorkspace } from "@/contexts/app-workspace-context"
-import { useTabContext } from "@/contexts/tab-context"
 import { useSidebarContext } from "@/contexts/sidebar-context"
+import { useAppWorkspace } from "@/contexts/app-workspace-context"
 import {
   SidebarConversationList,
   type SidebarConversationListHandle,
 } from "@/components/conversations/sidebar-conversation-list"
 import { Button } from "@/components/ui/button"
-import { Input } from "@/components/ui/input"
+import {
+  DropdownMenu,
+  DropdownMenuCheckboxItem,
+  DropdownMenuContent,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
 import {
   Tooltip,
   TooltipContent,
@@ -31,165 +28,76 @@ import {
   TooltipTrigger,
 } from "@/components/ui/tooltip"
 import { useIsMobile } from "@/hooks/use-mobile"
-import { isDesktop, openFileDialog } from "@/lib/platform"
 import {
-  loadSidebarViewMode,
+  loadShowCompleted,
-  saveSidebarViewMode,
+  saveShowCompleted,
-  type SidebarViewMode,
 } from "@/lib/sidebar-view-mode-storage"
-import { cn } from "@/lib/utils"
 
 export function Sidebar() {
   const t = useTranslations("Folder.sidebar")
-  const { activeFolder } = useActiveFolder()
-  const { allFolders, conversations, openFolder } = useAppWorkspace()
-  const { openNewConversationTab } = useTabContext()
   const { isOpen, toggle } = useSidebarContext()
+  const { conversations } = useAppWorkspace()
   const isMobile = useIsMobile()
   const listRef = useRef<SidebarConversationListHandle>(null)
 
-  const [viewMode, setViewMode] = useState<SidebarViewMode>("flat")
+  const [showCompleted, setShowCompleted] = useState(false)
-  const [searchQuery, setSearchQuery] = useState("")
+  const [allExpanded, setAllExpanded] = useState(true)
+
+  const visibleCount = useMemo(() => {
+    if (showCompleted) return conversations.length
+    return conversations.filter(
+      (c) => c.status !== "completed" && c.status !== "cancelled"
+    ).length
+  }, [conversations, showCompleted])
 
   useEffect(() => {
     // Hydrate from localStorage after mount to keep SSR/CSR markup consistent.
     // eslint-disable-next-line react-hooks/set-state-in-effect
-    setViewMode(loadSidebarViewMode())
+    setShowCompleted(loadShowCompleted())
   }, [])
 
-  const handleSetViewMode = useCallback((mode: SidebarViewMode) => {
+  const handleSetShowCompleted = useCallback((value: boolean) => {
-    setViewMode(mode)
+    setShowCompleted(value)
-    saveSidebarViewMode(mode)
+    saveShowCompleted(value)
   }, [])
 
+  const handleToggleExpandAll = useCallback(() => {
+    if (allExpanded) {
+      listRef.current?.collapseAll()
+      setAllExpanded(false)
+    } else {
+      listRef.current?.expandAll()
+      setAllExpanded(true)
+    }
+  }, [allExpanded])
+
   useEffect(() => {
     const onReveal = (e: Event) => {
       const detail = (e as CustomEvent<{ folderId: number }>).detail
       if (!detail) return
-      if (viewMode !== "grouped") {
-        setViewMode("grouped")
-        saveSidebarViewMode("grouped")
-      }
       listRef.current?.revealFolder(detail.folderId)
     }
     window.addEventListener("sidebar:reveal-folder", onReveal)
     return () => {
       window.removeEventListener("sidebar:reveal-folder", onReveal)
     }
-  }, [viewMode])
+  }, [])
-
-  const handleNewConversation = useCallback(() => {
-    if (!activeFolder) return
-    openNewConversationTab(activeFolder.id, activeFolder.path)
-  }, [activeFolder, openNewConversationTab])
-
-  const handleOpenFolder = useCallback(async () => {
-    try {
-      if (!isDesktop()) {
-        toast.error(t("toasts.openFolderFailed"))
-        return
-      }
-      const result = await openFileDialog({
-        directory: true,
-        multiple: false,
-      })
-      if (!result) return
-      const selected = Array.isArray(result) ? result[0] : result
-      const detail = await openFolder(selected)
-      toast.success(t("toasts.folderOpened", { name: detail.name }))
-    } catch (err) {
-      console.error("[Sidebar] open folder failed:", err)
-      toast.error(t("toasts.openFolderFailed"))
-    }
-  }, [openFolder, t])
 
   if (!isOpen) return null
 
   return (
-    <aside className="group/sidebar flex h-full min-h-0 flex-col overflow-hidden bg-sidebar text-sidebar-foreground select-none">
+    <aside className="flex h-full min-h-0 flex-col overflow-hidden bg-sidebar text-sidebar-foreground select-none">
       <TooltipProvider>
-        <div className="flex items-center justify-between border-b border-border px-3 py-2 gap-2">
+        <div className="flex h-10 shrink-0 items-center justify-between gap-2 pl-[1.25rem] pr-2">
-          <div className="flex items-center gap-2 min-w-0 text-[11px] text-muted-foreground tabular-nums">
+          <div className="flex min-w-0 items-baseline gap-[0.375rem]">
-            <span className="truncate">
+            <h2 className="truncate text-[0.875rem] font-bold tracking-[-0.00625rem] text-sidebar-foreground">
-              {t("statsLabel", {
+              {t("title")}
-                folders: allFolders.length,
+            </h2>
-                convos: conversations.length,
+            <span className="shrink-0 text-[0.75rem] tabular-nums text-muted-foreground/70">
-              })}
+              {t("conversationCountUnit", { count: visibleCount })}
             </span>
           </div>
-          <Tooltip>
+          <div className="flex items-center gap-0.5">
-            <TooltipTrigger asChild>
-              <Button
-                variant="ghost"
-                size="icon"
-                className="h-6 w-6 shrink-0 text-muted-foreground"
-                onClick={handleOpenFolder}
-              >
-                <FolderPlus className="h-3.5 w-3.5" />
-              </Button>
-            </TooltipTrigger>
-            <TooltipContent side="bottom">{t("openFolder")}</TooltipContent>
-          </Tooltip>
-        </div>
-
-        <div className="flex items-center gap-1 border-b border-border px-2 py-1.5">
-          <div className="relative flex-1 min-w-0">
-            <Search className="absolute left-2 top-1/2 -translate-y-1/2 h-3 w-3 text-muted-foreground pointer-events-none" />
-            <Input
-              value={searchQuery}
-              onChange={(e) => setSearchQuery(e.target.value)}
-              placeholder={t("searchPlaceholder")}
-              className="h-7 pl-6 pr-6 text-xs"
-            />
-            {searchQuery && (
-              <button
-                type="button"
-                onClick={() => setSearchQuery("")}
-                className="absolute right-1.5 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground rounded-sm p-0.5"
-              >
-                <X className="h-3 w-3" />
-              </button>
-            )}
-          </div>
-          <Tooltip>
-            <TooltipTrigger asChild>
-              <Button
-                variant="ghost"
-                size="icon"
-                className={cn(
-                  "h-7 w-7 shrink-0 text-muted-foreground",
-                  viewMode === "flat" && "bg-accent text-foreground"
-                )}
-                onClick={() => handleSetViewMode("flat")}
-              >
-                <Rows3 className="h-3.5 w-3.5" />
-              </Button>
-            </TooltipTrigger>
-            <TooltipContent side="bottom">{t("viewFlat")}</TooltipContent>
-          </Tooltip>
-          <Tooltip>
-            <TooltipTrigger asChild>
-              <Button
-                variant="ghost"
-                size="icon"
-                className={cn(
-                  "h-7 w-7 shrink-0 text-muted-foreground",
-                  viewMode === "grouped" && "bg-accent text-foreground"
-                )}
-                onClick={() => handleSetViewMode("grouped")}
-              >
-                <FolderTree className="h-3.5 w-3.5" />
-              </Button>
-            </TooltipTrigger>
-            <TooltipContent side="bottom">{t("viewGrouped")}</TooltipContent>
-          </Tooltip>
-        </div>
-
-        <div className="flex items-center justify-between border-b border-border px-2 h-7">
-          <h2 className="text-xs font-bold text-muted-foreground truncate">
-            {t("title")}
-          </h2>
-          <div className="flex items-center gap-0.5 opacity-0 transition-opacity group-hover/sidebar:opacity-100">
             <Button
               variant="ghost"
               size="icon"
@@ -203,30 +111,43 @@ export function Sidebar() {
               variant="ghost"
               size="icon"
               className="h-6 w-6 shrink-0 text-muted-foreground"
-              onClick={() => listRef.current?.expandAll()}
+              onClick={handleToggleExpandAll}
-              title={t("expandAllGroups")}
+              title={
+                allExpanded ? t("collapseAllGroups") : t("expandAllGroups")
+              }
             >
-              <ChevronsUpDown className="h-3.5 w-3.5" />
+              {allExpanded ? (
-            </Button>
+                <ChevronsDownUp className="h-3.5 w-3.5" />
-            <Button
+              ) : (
-              variant="ghost"
+                <ChevronsUpDown className="h-3.5 w-3.5" />
-              size="icon"
+              )}
-              className="h-6 w-6 shrink-0 text-muted-foreground"
-              onClick={() => listRef.current?.collapseAll()}
-              title={t("collapseAllGroups")}
-            >
-              <ChevronsDownUp className="h-3.5 w-3.5" />
-            </Button>
-            <Button
-              variant="ghost"
-              size="icon"
-              className="h-6 w-6 shrink-0 text-muted-foreground"
-              onClick={handleNewConversation}
-              disabled={!activeFolder}
-              title={t("newConversation")}
-            >
-              <Plus className="h-3.5 w-3.5" />
             </Button>
+            <DropdownMenu>
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <DropdownMenuTrigger asChild>
+                    <Button
+                      variant="ghost"
+                      size="icon"
+                      className="h-6 w-6 shrink-0 text-muted-foreground"
+                    >
+                      <EllipsisVertical className="h-3.5 w-3.5" />
+                    </Button>
+                  </DropdownMenuTrigger>
+                </TooltipTrigger>
+                <TooltipContent side="bottom">
+                  {t("moreOptions")}
+                </TooltipContent>
+              </Tooltip>
+              <DropdownMenuContent align="end">
+                <DropdownMenuCheckboxItem
+                  checked={showCompleted}
+                  onCheckedChange={handleSetShowCompleted}
+                >
+                  {t("showCompleted")}
+                </DropdownMenuCheckboxItem>
+              </DropdownMenuContent>
+            </DropdownMenu>
           </div>
         </div>
       </TooltipProvider>
@@ -245,11 +166,7 @@ export function Sidebar() {
             : undefined
         }
       >
-        <SidebarConversationList
+        <SidebarConversationList ref={listRef} showCompleted={showCompleted} />
-          ref={listRef}
-          viewMode={viewMode}
-          searchQuery={searchQuery}
-        />
       </div>
     </aside>
   )

src/i18n/messages/ar.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} مجلدات · {convos} محادثة",
       "openFolder": "فتح مجلد",
       "searchPlaceholder": "بحث عن محادثات...",
-      "viewFlat": "عرض مسطح",
+      "showCompleted": "عرض المحادثات المكتملة",
-      "viewGrouped": "تجميع حسب المجلد",
+      "moreOptions": "المزيد من الخيارات",
+      "statusRunningBadge": "قيد التشغيل",
+      "statusFailedBadge": "فشل",
+      "conversationCountUnit": "{count} محادثة",
+      "emptyFolderHint": "لا توجد محادثات",
       "noMatchingConversations": "لا توجد محادثات مطابقة",
       "removeFolderConfirmTitle": "إزالة المجلد من مساحة العمل؟",
       "removeFolderConfirmDescription": "إزالة \"{name}\" من مساحة العمل؟ سيتم إغلاق علامات التبويب والمحطات المرتبطة.",

src/i18n/messages/de.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} Ordner · {convos} Konversationen",
       "openFolder": "Ordner öffnen",
       "searchPlaceholder": "Konversationen suchen...",
-      "viewFlat": "Flache Ansicht",
+      "showCompleted": "Abgeschlossene Konversationen anzeigen",
-      "viewGrouped": "Nach Ordner gruppieren",
+      "moreOptions": "Weitere Optionen",
+      "statusRunningBadge": "Läuft",
+      "statusFailedBadge": "Fehlgeschlagen",
+      "conversationCountUnit": "{count, plural, one {# Konversation} other {# Konversationen}}",
+      "emptyFolderHint": "Keine Konversationen",
       "noMatchingConversations": "Keine passenden Konversationen",
       "removeFolderConfirmTitle": "Ordner aus Arbeitsbereich entfernen?",
       "removeFolderConfirmDescription": "\"{name}\" aus dem Arbeitsbereich entfernen? Zugehörige Tabs und Terminals werden geschlossen.",

src/i18n/messages/en.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} folders · {convos} conversations",
       "openFolder": "Open Folder",
       "searchPlaceholder": "Search conversations...",
-      "viewFlat": "Flat view",
+      "showCompleted": "Show completed conversations",
-      "viewGrouped": "Grouped by folder",
+      "moreOptions": "More options",
+      "statusRunningBadge": "Running",
+      "statusFailedBadge": "Failed",
+      "conversationCountUnit": "{count, plural, one {# conversation} other {# conversations}}",
+      "emptyFolderHint": "No conversations",
       "noMatchingConversations": "No matching conversations",
       "removeFolderConfirmTitle": "Remove folder from workspace?",
       "removeFolderConfirmDescription": "Remove \"{name}\" from the workspace? Its tabs and terminals will close.",

src/i18n/messages/es.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} carpetas · {convos} conversaciones",
       "openFolder": "Abrir carpeta",
       "searchPlaceholder": "Buscar conversaciones...",
-      "viewFlat": "Vista plana",
+      "showCompleted": "Mostrar conversaciones completadas",
-      "viewGrouped": "Agrupar por carpeta",
+      "moreOptions": "Más opciones",
+      "statusRunningBadge": "Ejecutando",
+      "statusFailedBadge": "Fallido",
+      "conversationCountUnit": "{count, plural, one {# conversación} other {# conversaciones}}",
+      "emptyFolderHint": "Sin conversaciones",
       "noMatchingConversations": "No hay conversaciones coincidentes",
       "removeFolderConfirmTitle": "¿Eliminar carpeta del espacio de trabajo?",
       "removeFolderConfirmDescription": "¿Eliminar \"{name}\" del espacio de trabajo? Sus pestañas y terminales se cerrarán.",

src/i18n/messages/fr.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} dossiers · {convos} conversations",
       "openFolder": "Ouvrir le dossier",
       "searchPlaceholder": "Rechercher des conversations...",
-      "viewFlat": "Vue à plat",
+      "showCompleted": "Afficher les conversations terminées",
-      "viewGrouped": "Grouper par dossier",
+      "moreOptions": "Plus d'options",
+      "statusRunningBadge": "En cours",
+      "statusFailedBadge": "Échec",
+      "conversationCountUnit": "{count, plural, one {# conversation} other {# conversations}}",
+      "emptyFolderHint": "Aucune conversation",
       "noMatchingConversations": "Aucune conversation correspondante",
       "removeFolderConfirmTitle": "Retirer le dossier de l'espace de travail ?",
       "removeFolderConfirmDescription": "Retirer \"{name}\" de l'espace de travail ? Les onglets et terminaux associés seront fermés.",

src/i18n/messages/ja.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} フォルダ · {convos} 会話",
       "openFolder": "フォルダを開く",
       "searchPlaceholder": "会話を検索...",
-      "viewFlat": "フラット表示",
+      "showCompleted": "完了した会話を表示",
-      "viewGrouped": "フォルダでグループ化",
+      "moreOptions": "その他のオプション",
+      "statusRunningBadge": "実行中",
+      "statusFailedBadge": "失敗",
+      "conversationCountUnit": "{count} 件",
+      "emptyFolderHint": "会話がありません",
       "noMatchingConversations": "一致する会話がありません",
       "removeFolderConfirmTitle": "このフォルダをワークスペースから削除しますか？",
       "removeFolderConfirmDescription": "\"{name}\" をワークスペースから削除しますか？関連するタブとターミナルが閉じられます。",

src/i18n/messages/ko.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders}개 폴더 · {convos}개 대화",
       "openFolder": "폴더 열기",
       "searchPlaceholder": "대화 검색...",
-      "viewFlat": "평면 보기",
+      "showCompleted": "완료된 대화 표시",
-      "viewGrouped": "폴더별 그룹",
+      "moreOptions": "더 많은 옵션",
+      "statusRunningBadge": "실행 중",
+      "statusFailedBadge": "실패",
+      "conversationCountUnit": "{count}개",
+      "emptyFolderHint": "대화 없음",
       "noMatchingConversations": "일치하는 대화가 없습니다",
       "removeFolderConfirmTitle": "이 폴더를 워크스페이스에서 제거하시겠습니까?",
       "removeFolderConfirmDescription": "워크스페이스에서 \"{name}\"을(를) 제거하시겠습니까? 관련 탭과 터미널이 닫힙니다.",

src/i18n/messages/pt.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} pastas · {convos} conversas",
       "openFolder": "Abrir pasta",
       "searchPlaceholder": "Buscar conversas...",
-      "viewFlat": "Visualização plana",
+      "showCompleted": "Mostrar conversas concluídas",
-      "viewGrouped": "Agrupar por pasta",
+      "moreOptions": "Mais opções",
+      "statusRunningBadge": "Executando",
+      "statusFailedBadge": "Falhou",
+      "conversationCountUnit": "{count, plural, one {# conversa} other {# conversas}}",
+      "emptyFolderHint": "Sem conversas",
       "noMatchingConversations": "Nenhuma conversa correspondente",
       "removeFolderConfirmTitle": "Remover pasta do espaço de trabalho?",
       "removeFolderConfirmDescription": "Remover \"{name}\" do espaço de trabalho? As abas e terminais relacionados serão fechados.",

src/i18n/messages/zh-CN.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} 个文件夹 · {convos} 个会话",
       "openFolder": "打开文件夹",
       "searchPlaceholder": "搜索会话...",
-      "viewFlat": "平铺视图",
+      "showCompleted": "显示已完成会话",
-      "viewGrouped": "按文件夹分组",
+      "moreOptions": "更多选项",
+      "statusRunningBadge": "运行中",
+      "statusFailedBadge": "失败",
+      "conversationCountUnit": "{count} 条",
+      "emptyFolderHint": "暂无会话",
       "noMatchingConversations": "未找到匹配的会话",
       "removeFolderConfirmTitle": "从工作区移除该文件夹？",
       "removeFolderConfirmDescription": "从工作区移除 \"{name}\"？其相关 Tab 与终端将会关闭。",

src/i18n/messages/zh-TW.json

@@ -834,8 +834,12 @@
       "statsLabel": "{folders} 個資料夾 · {convos} 個對話",
       "openFolder": "開啟資料夾",
       "searchPlaceholder": "搜尋對話...",
-      "viewFlat": "平鋪視圖",
+      "showCompleted": "顯示已完成對話",
-      "viewGrouped": "依資料夾分組",
+      "moreOptions": "更多選項",
+      "statusRunningBadge": "運行中",
+      "statusFailedBadge": "失敗",
+      "conversationCountUnit": "{count} 條",
+      "emptyFolderHint": "暫無對話",
       "noMatchingConversations": "找不到符合的對話",
       "removeFolderConfirmTitle": "從工作區移除此資料夾？",
       "removeFolderConfirmDescription": "從工作區移除 \"{name}\"？相關分頁與終端機將會關閉。",

src/lib/sidebar-view-mode-storage.ts

@@ -1,29 +1,7 @@
 "use client"
 
-export type SidebarViewMode = "flat" | "grouped"
-
-const VIEW_MODE_KEY = "workspace:sidebar-view-mode"
 const FOLDER_EXPANDED_KEY = "workspace:sidebar-folder-expanded"
-
+const SHOW_COMPLETED_KEY = "workspace:sidebar-show-completed"
-export function loadSidebarViewMode(): SidebarViewMode {
-  if (typeof window === "undefined") return "flat"
-  try {
-    const raw = localStorage.getItem(VIEW_MODE_KEY)
-    if (raw === "flat" || raw === "grouped") return raw
-  } catch {
-    /* ignore */
-  }
-  return "flat"
-}
-
-export function saveSidebarViewMode(mode: SidebarViewMode): void {
-  if (typeof window === "undefined") return
-  try {
-    localStorage.setItem(VIEW_MODE_KEY, mode)
-  } catch {
-    /* ignore */
-  }
-}
 
 export function loadFolderExpanded(): Record<number, boolean> {
   if (typeof window === "undefined") return {}
@@ -53,3 +31,23 @@ export function saveFolderExpanded(state: Record<number, boolean>): void {
     /* ignore */
   }
 }
+
+export function loadShowCompleted(): boolean {
+  if (typeof window === "undefined") return false
+  try {
+    const raw = localStorage.getItem(SHOW_COMPLETED_KEY)
+    if (raw === "true") return true
+  } catch {
+    /* ignore */
+  }
+  return false
+}
+
+export function saveShowCompleted(value: boolean): void {
+  if (typeof window === "undefined") return
+  try {
+    localStorage.setItem(SHOW_COMPLETED_KEY, String(value))
+  } catch {
+    /* ignore */
+  }
+}