feat(sidebar): add conversation management dialog with filtering and bulk actions

src/components/conversations/conversation-manage-dialog.tsx

@@ -0,0 +1,500 @@
+"use client"
+
+import { useCallback, useEffect, useMemo, useState } from "react"
+import { useTranslations } from "next-intl"
+import { toast } from "sonner"
+import {
+  CheckSquare,
+  ChevronDown,
+  ListChecks,
+  Loader2,
+  Square,
+  Trash2,
+} from "lucide-react"
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { ScrollArea } from "@/components/ui/scroll-area"
+import { Skeleton } from "@/components/ui/skeleton"
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select"
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog"
+import { AgentIcon } from "@/components/agent-icon"
+import { useAppWorkspace } from "@/contexts/app-workspace-context"
+import { useTabContext } from "@/contexts/tab-context"
+import {
+  deleteConversation,
+  listAllConversations,
+  updateConversationStatus,
+} from "@/lib/api"
+import type {
+  AgentType,
+  ConversationStatus,
+  DbConversationSummary,
+} from "@/lib/types"
+import {
+  AGENT_LABELS,
+  ALL_AGENT_TYPES,
+  STATUS_COLORS,
+  STATUS_ORDER,
+} from "@/lib/types"
+import { cn } from "@/lib/utils"
+
+interface ConversationManageDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  folderId: number
+  folderName: string
+}
+
+function parseTimestamp(value: string): number {
+  const ts = Date.parse(value)
+  return Number.isNaN(ts) ? 0 : ts
+}
+
+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`
+}
+
+export function ConversationManageDialog({
+  open,
+  onOpenChange,
+  folderId,
+  folderName,
+}: ConversationManageDialogProps) {
+  const t = useTranslations("Folder.sidebar.manageConversations")
+  const tCommon = useTranslations("Folder.common")
+  const tStatus = useTranslations("Folder.statusLabels")
+
+  const { refreshConversations } = useAppWorkspace()
+  const { closeConversationTab } = useTabContext()
+
+  const [search, setSearch] = useState("")
+  const [agentFilter, setAgentFilter] = useState<AgentType | "all">("all")
+  const [statusFilter, setStatusFilter] = useState<ConversationStatus | "all">(
+    "all"
+  )
+  const [rows, setRows] = useState<DbConversationSummary[]>([])
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [selected, setSelected] = useState<Set<number>>(new Set())
+  const [pending, setPending] = useState(false)
+  const [refreshKey, setRefreshKey] = useState(0)
+  const [confirmDelete, setConfirmDelete] = useState(false)
+
+  // Reset state on open/close transitions
+  useEffect(() => {
+    if (!open) {
+      setSearch("")
+      setAgentFilter("all")
+      setStatusFilter("all")
+      setSelected(new Set())
+      setConfirmDelete(false)
+      setError(null)
+    }
+  }, [open])
+
+  // Debounced data fetch
+  useEffect(() => {
+    if (!open) return
+    const timer = setTimeout(async () => {
+      setLoading(true)
+      try {
+        const data = await listAllConversations({
+          folder_ids: [folderId],
+          search: search.trim() || null,
+          agent_type: agentFilter === "all" ? null : agentFilter,
+          status: statusFilter === "all" ? null : statusFilter,
+        })
+        setRows(data)
+        setError(null)
+      } catch (e) {
+        setError(e instanceof Error ? e.message : String(e))
+      } finally {
+        setLoading(false)
+      }
+    }, 300)
+    return () => clearTimeout(timer)
+  }, [open, folderId, search, agentFilter, statusFilter, refreshKey])
+
+  const toggleOne = useCallback((id: number) => {
+    setSelected((prev) => {
+      const next = new Set(prev)
+      if (next.has(id)) next.delete(id)
+      else next.add(id)
+      return next
+    })
+  }, [])
+
+  const allVisibleSelected = useMemo(
+    () => rows.length > 0 && rows.every((r) => selected.has(r.id)),
+    [rows, selected]
+  )
+
+  const toggleSelectAll = useCallback(() => {
+    if (allVisibleSelected) {
+      setSelected((prev) => {
+        const next = new Set(prev)
+        for (const r of rows) next.delete(r.id)
+        return next
+      })
+    } else {
+      setSelected((prev) => {
+        const next = new Set(prev)
+        for (const r of rows) next.add(r.id)
+        return next
+      })
+    }
+  }, [allVisibleSelected, rows])
+
+  const afterBulkOp = useCallback(() => {
+    setSelected(new Set())
+    setRefreshKey((k) => k + 1)
+    refreshConversations()
+  }, [refreshConversations])
+
+  const selectedIds = useMemo(() => [...selected], [selected])
+  const selectedCount = selected.size
+
+  const handleBulkDelete = useCallback(async () => {
+    if (selectedIds.length === 0) return
+    setPending(true)
+    try {
+      const affected = rows.filter((r) => selected.has(r.id))
+      await Promise.all(selectedIds.map((id) => deleteConversation(id)))
+      for (const conv of affected) {
+        closeConversationTab(conv.folder_id, conv.id, conv.agent_type)
+      }
+      toast.success(t("toastDeleted", { count: selectedIds.length }))
+      afterBulkOp()
+    } catch (e) {
+      toast.error(
+        t("toastOpFailed", {
+          message: e instanceof Error ? e.message : String(e),
+        })
+      )
+    } finally {
+      setPending(false)
+      setConfirmDelete(false)
+    }
+  }, [selectedIds, rows, selected, closeConversationTab, t, afterBulkOp])
+
+  const handleBulkStatus = useCallback(
+    async (status: ConversationStatus) => {
+      if (selectedIds.length === 0) return
+      setPending(true)
+      try {
+        await Promise.all(
+          selectedIds.map((id) => updateConversationStatus(id, status))
+        )
+        toast.success(t("toastStatusUpdated", { count: selectedIds.length }))
+        afterBulkOp()
+      } catch (e) {
+        toast.error(
+          t("toastOpFailed", {
+            message: e instanceof Error ? e.message : String(e),
+          })
+        )
+      } finally {
+        setPending(false)
+      }
+    },
+    [selectedIds, t, afterBulkOp]
+  )
+
+  return (
+    <>
+      <Dialog open={open} onOpenChange={onOpenChange}>
+        <DialogContent className="max-w-3xl">
+          <DialogHeader>
+            <DialogTitle>{t("title", { name: folderName })}</DialogTitle>
+          </DialogHeader>
+
+          {/* Filter row */}
+          <div className="flex items-center justify-between gap-2">
+            <Input
+              value={search}
+              onChange={(e) => setSearch(e.target.value)}
+              placeholder={t("searchPlaceholder")}
+              className="h-9 w-64"
+            />
+            <div className="flex items-center gap-2">
+              <Select
+                value={agentFilter}
+                onValueChange={(v) => setAgentFilter(v as AgentType | "all")}
+              >
+                <SelectTrigger className="h-9 w-40">
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="all">{t("agentFilterAll")}</SelectItem>
+                  {ALL_AGENT_TYPES.map((at) => (
+                    <SelectItem key={at} value={at}>
+                      <span className="flex items-center gap-2">
+                        <AgentIcon agentType={at} className="h-3.5 w-3.5" />
+                        {AGENT_LABELS[at]}
+                      </span>
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+              <Select
+                value={statusFilter}
+                onValueChange={(v) =>
+                  setStatusFilter(v as ConversationStatus | "all")
+                }
+              >
+                <SelectTrigger className="h-9 w-40">
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="all">{t("statusFilterAll")}</SelectItem>
+                  {STATUS_ORDER.map((s) => (
+                    <SelectItem key={s} value={s}>
+                      <span className="flex items-center gap-2">
+                        <span
+                          className={cn(
+                            "h-2 w-2 rounded-full",
+                            STATUS_COLORS[s]
+                          )}
+                        />
+                        {tStatus(s)}
+                      </span>
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+          </div>
+
+          {/* List container: select-all header + scrollable list */}
+          <div className="flex flex-col rounded-md border border-border/50 overflow-hidden">
+            <div className="flex items-center justify-between px-3 py-2 border-b border-border/50 bg-muted/20">
+              <button
+                type="button"
+                onClick={toggleSelectAll}
+                disabled={rows.length === 0}
+                className="flex items-center gap-2 text-xs text-muted-foreground hover:text-foreground disabled:opacity-50"
+              >
+                <span className="flex h-5 w-5 items-center justify-center">
+                  {allVisibleSelected ? (
+                    <CheckSquare className="h-4 w-4 text-primary" />
+                  ) : (
+                    <Square className="h-4 w-4" />
+                  )}
+                </span>
+                {allVisibleSelected ? t("deselectAll") : t("selectAllVisible")}
+              </button>
+              <span className="text-xs text-muted-foreground">
+                {t("matchedCount", { count: rows.length })}
+              </span>
+            </div>
+            <ScrollArea className="h-[26rem]">
+              <div className="flex flex-col gap-0.5 p-1">
+                {loading ? (
+                  Array.from({ length: 6 }).map((_, i) => (
+                    <Skeleton key={i} className="h-9 w-full rounded-md" />
+                  ))
+                ) : error ? (
+                  <p className="text-destructive text-sm px-3 py-6 text-center">
+                    {error}
+                  </p>
+                ) : rows.length === 0 ? (
+                  <p className="text-muted-foreground text-sm px-3 py-6 text-center">
+                    {search.trim() ||
+                    agentFilter !== "all" ||
+                    statusFilter !== "all"
+                      ? t("noMatchingConversations")
+                      : t("noConversations")}
+                  </p>
+                ) : (
+                  rows.map((conv) => {
+                    const checked = selected.has(conv.id)
+                    return (
+                      <div
+                        key={conv.id}
+                        onClick={() => toggleOne(conv.id)}
+                        className={cn(
+                          "flex items-center gap-2 rounded-md px-2 py-1.5 cursor-pointer border border-transparent",
+                          "hover:bg-accent/50",
+                          checked && "bg-accent/40 border-accent/60"
+                        )}
+                      >
+                        <button
+                          type="button"
+                          onClick={(e) => {
+                            e.stopPropagation()
+                            toggleOne(conv.id)
+                          }}
+                          className="flex h-5 w-5 shrink-0 items-center justify-center rounded-sm text-muted-foreground hover:text-foreground"
+                          aria-pressed={checked}
+                        >
+                          {checked ? (
+                            <CheckSquare className="h-4 w-4 text-primary" />
+                          ) : (
+                            <Square className="h-4 w-4" />
+                          )}
+                        </button>
+                        <AgentIcon
+                          agentType={conv.agent_type}
+                          className="h-4 w-4 shrink-0"
+                        />
+                        <span className="flex-1 min-w-0 truncate text-sm">
+                          {conv.title || t("untitledConversation")}
+                        </span>
+                        <span className="shrink-0 text-xs text-muted-foreground tabular-nums w-14 text-right">
+                          {t("messagesShort", { count: conv.message_count })}
+                        </span>
+                        <span className="shrink-0 text-xs text-muted-foreground w-10 text-right">
+                          {formatRelative(conv.updated_at)}
+                        </span>
+                        <span
+                          className={cn(
+                            "shrink-0 h-2 w-2 rounded-full",
+                            STATUS_COLORS[conv.status as ConversationStatus] ??
+                              "bg-gray-400"
+                          )}
+                          title={
+                            STATUS_ORDER.includes(
+                              conv.status as ConversationStatus
+                            )
+                              ? tStatus(conv.status as ConversationStatus)
+                              : conv.status
+                          }
+                        />
+                      </div>
+                    )
+                  })
+                )}
+              </div>
+            </ScrollArea>
+          </div>
+
+          {/* Footer: bulk actions */}
+          <DialogFooter className="flex items-center justify-between gap-2 sm:justify-between">
+            <span className="text-xs text-muted-foreground">
+              {t("selectedCount", { count: selectedCount })}
+            </span>
+            <div className="flex flex-wrap items-center gap-2">
+              {/* Set status */}
+              <DropdownMenu>
+                <DropdownMenuTrigger asChild>
+                  <Button
+                    size="sm"
+                    variant="outline"
+                    disabled={selectedCount === 0 || pending}
+                  >
+                    <ListChecks className="h-3.5 w-3.5 mr-1" />
+                    {t("setStatus")}
+                    <ChevronDown className="h-3 w-3 ml-1 opacity-60" />
+                  </Button>
+                </DropdownMenuTrigger>
+                <DropdownMenuContent align="end">
+                  {STATUS_ORDER.map((s) => (
+                    <DropdownMenuItem
+                      key={s}
+                      onSelect={() => handleBulkStatus(s)}
+                    >
+                      <span
+                        className={cn(
+                          "h-2 w-2 rounded-full mr-2",
+                          STATUS_COLORS[s]
+                        )}
+                      />
+                      {tStatus(s)}
+                    </DropdownMenuItem>
+                  ))}
+                </DropdownMenuContent>
+              </DropdownMenu>
+
+              {/* Delete */}
+              <Button
+                size="sm"
+                variant="destructive"
+                disabled={selectedCount === 0 || pending}
+                onClick={() => setConfirmDelete(true)}
+              >
+                {pending ? (
+                  <Loader2 className="h-3.5 w-3.5 mr-1 animate-spin" />
+                ) : (
+                  <Trash2 className="h-3.5 w-3.5 mr-1" />
+                )}
+                {t("deleteSelected")}
+              </Button>
+
+              <Button
+                size="sm"
+                variant="outline"
+                onClick={() => onOpenChange(false)}
+              >
+                {tCommon("close")}
+              </Button>
+            </div>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* Delete confirmation */}
+      <AlertDialog
+        open={confirmDelete}
+        onOpenChange={(o) => !o && setConfirmDelete(false)}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>
+              {t("confirmDeleteTitle", { count: selectedCount })}
+            </AlertDialogTitle>
+            <AlertDialogDescription>
+              {t("confirmDeleteDescription")}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel>{tCommon("cancel")}</AlertDialogCancel>
+            <AlertDialogAction onClick={handleBulkDelete}>
+              {tCommon("confirm")}
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+    </>
+  )
+}

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

@@ -13,7 +13,14 @@ import {
 import { useTranslations } from "next-intl"
 import { toast } from "sonner"
 import { Virtualizer, type VirtualizerHandle } from "virtua"
-import { ChevronRight, Download, Loader2, Plus, XCircle } from "lucide-react"
+import {
+  ChevronRight,
+  Download,
+  ListChecks,
+  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"
@@ -31,6 +38,7 @@ import {
   saveFolderExpanded,
 } from "@/lib/sidebar-view-mode-storage"
 import { SidebarConversationCard } from "./sidebar-conversation-card"
+import { ConversationManageDialog } from "./conversation-manage-dialog"
 import { Button } from "@/components/ui/button"
 import { Skeleton } from "@/components/ui/skeleton"
 import { ScrollArea } from "@/components/ui/scroll-area"
@@ -112,6 +120,7 @@ const FolderHeader = memo(function FolderHeader({
   onRemoveFromWorkspace,
   onNewConversation,
   onImport,
+  onManageConversations,
   t,
 }: {
   folderId: number
@@ -123,6 +132,7 @@ const FolderHeader = memo(function FolderHeader({
   onRemoveFromWorkspace: (folderId: number) => void
   onNewConversation: (folderId: number) => void
   onImport: (folderId: number) => void
+  onManageConversations: (folderId: number) => void
   t: ReturnType<typeof useTranslations>
 }) {
   return (
@@ -216,6 +226,11 @@ const FolderHeader = memo(function FolderHeader({
           {importing ? t("importing") : t("importLocalSessions")}
         </ContextMenuItem>
         <ContextMenuSeparator />
+        <ContextMenuItem onSelect={() => onManageConversations(folderId)}>
+          <ListChecks className="h-4 w-4" />
+          {t("folderHeaderMenu.manageConversations")}
+        </ContextMenuItem>
+        <ContextMenuSeparator />
         <ContextMenuItem
           variant="destructive"
           onSelect={() => onRemoveFromWorkspace(folderId)}
@@ -301,6 +316,10 @@ export function SidebarConversationList({
     folderId: number
     folderName: string
   } | null>(null)
+  const [manageState, setManageState] = useState<{
+    folderId: number
+    folderName: string
+  } | null>(null)
 
   useEffect(() => {
     // Hydrate from localStorage after mount to keep SSR/CSR markup consistent.
@@ -483,6 +502,14 @@ export function SidebarConversationList({
     [folderIndex]
   )
 
+  const handleManageConversations = useCallback(
+    (folderId: number) => {
+      const name = folderIndex.get(folderId)?.name ?? String(folderId)
+      setManageState({ folderId, folderName: name })
+    },
+    [folderIndex]
+  )
+
   const handleRemoveFolderConfirm = useCallback(async () => {
     if (!removeConfirm) return
     const { folderId, folderName } = removeConfirm
@@ -705,6 +732,7 @@ export function SidebarConversationList({
                       onRemoveFromWorkspace={handleRemoveFolder}
                       onNewConversation={handleNewConversationForFolder}
                       onImport={handleImportForFolder}
+                      onManageConversations={handleManageConversations}
                       t={t}
                     />
                   </div>
@@ -735,6 +763,7 @@ export function SidebarConversationList({
                           onRemoveFromWorkspace={handleRemoveFolder}
                           onNewConversation={handleNewConversationForFolder}
                           onImport={handleImportForFolder}
+                          onManageConversations={handleManageConversations}
                           t={t}
                         />
                       )
@@ -795,6 +824,15 @@ export function SidebarConversationList({
           </AlertDialogFooter>
         </AlertDialogContent>
       </AlertDialog>
+
+      {manageState && (
+        <ConversationManageDialog
+          open
+          onOpenChange={(o) => !o && setManageState(null)}
+          folderId={manageState.folderId}
+          folderName={manageState.folderName}
+        />
+      )}
     </div>
   )
 }

src/i18n/messages/ar.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "إزالة المجلد من مساحة العمل؟",
       "removeFolderConfirmDescription": "إزالة \"{name}\" من مساحة العمل؟ سيتم إغلاق علامات التبويب والمحطات المرتبطة.",
       "folderHeaderMenu": {
+        "manageConversations": "إدارة المحادثات…",
         "removeFromWorkspace": "إزالة من مساحة العمل"
+      },
+      "manageConversations": {
+        "title": "إدارة المحادثات — {name}",
+        "searchPlaceholder": "البحث بالعنوان…",
+        "agentFilterAll": "جميع الوكلاء",
+        "statusFilterAll": "جميع الحالات",
+        "selectAllVisible": "تحديد الكل",
+        "deselectAll": "إلغاء التحديد",
+        "selectedCount": "{count} محدد",
+        "matchedCount": "{count} مطابق",
+        "messagesShort": "{count} رسالة",
+        "untitledConversation": "محادثة بدون عنوان",
+        "setStatus": "تعيين الحالة…",
+        "deleteSelected": "حذف",
+        "noConversations": "لا توجد محادثات في هذا المجلد.",
+        "noMatchingConversations": "لا توجد محادثات مطابقة للفلاتر.",
+        "confirmDeleteTitle": "حذف {count} محادثة؟",
+        "confirmDeleteDescription": "لا يمكن التراجع عن هذا الإجراء.",
+        "toastDeleted": "تم حذف {count} محادثة",
+        "toastStatusUpdated": "تم تحديث حالة {count} محادثة",
+        "toastOpFailed": "فشلت العملية: {message}"
       }
     },
     "conversation": {

src/i18n/messages/de.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "Ordner aus Arbeitsbereich entfernen?",
       "removeFolderConfirmDescription": "\"{name}\" aus dem Arbeitsbereich entfernen? Zugehörige Tabs und Terminals werden geschlossen.",
       "folderHeaderMenu": {
+        "manageConversations": "Konversationen verwalten…",
         "removeFromWorkspace": "Aus Arbeitsbereich entfernen"
+      },
+      "manageConversations": {
+        "title": "Konversationen verwalten — {name}",
+        "searchPlaceholder": "Nach Titel suchen…",
+        "agentFilterAll": "Alle Agenten",
+        "statusFilterAll": "Alle Status",
+        "selectAllVisible": "Alle auswählen",
+        "deselectAll": "Auswahl aufheben",
+        "selectedCount": "{count} ausgewählt",
+        "matchedCount": "{count} Treffer",
+        "messagesShort": "{count} Nachr.",
+        "untitledConversation": "Unbenannte Konversation",
+        "setStatus": "Status setzen…",
+        "deleteSelected": "Löschen",
+        "noConversations": "Keine Konversationen in diesem Ordner.",
+        "noMatchingConversations": "Keine Konversationen entsprechen den Filtern.",
+        "confirmDeleteTitle": "{count} Konversation(en) löschen?",
+        "confirmDeleteDescription": "Diese Aktion kann nicht rückgängig gemacht werden.",
+        "toastDeleted": "{count} Konversation(en) gelöscht",
+        "toastStatusUpdated": "Status von {count} Konversation(en) aktualisiert",
+        "toastOpFailed": "Aktion fehlgeschlagen: {message}"
       }
     },
     "conversation": {

src/i18n/messages/en.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "Remove folder from workspace?",
       "removeFolderConfirmDescription": "Remove \"{name}\" from the workspace? Its tabs and terminals will close.",
       "folderHeaderMenu": {
+        "manageConversations": "Manage conversations…",
         "removeFromWorkspace": "Remove from workspace"
+      },
+      "manageConversations": {
+        "title": "Manage conversations — {name}",
+        "searchPlaceholder": "Search by title…",
+        "agentFilterAll": "All agents",
+        "statusFilterAll": "All statuses",
+        "selectAllVisible": "Select all",
+        "deselectAll": "Deselect all",
+        "selectedCount": "{count} selected",
+        "matchedCount": "{count} matched",
+        "messagesShort": "{count} msg",
+        "untitledConversation": "Untitled conversation",
+        "setStatus": "Set status…",
+        "deleteSelected": "Delete",
+        "noConversations": "No conversations in this folder.",
+        "noMatchingConversations": "No conversations match the filters.",
+        "confirmDeleteTitle": "Delete {count} conversation(s)?",
+        "confirmDeleteDescription": "This action cannot be undone.",
+        "toastDeleted": "Deleted {count} conversation(s)",
+        "toastStatusUpdated": "Updated status for {count} conversation(s)",
+        "toastOpFailed": "Operation failed: {message}"
       }
     },
     "conversation": {

src/i18n/messages/es.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "¿Eliminar carpeta del espacio de trabajo?",
       "removeFolderConfirmDescription": "¿Eliminar \"{name}\" del espacio de trabajo? Sus pestañas y terminales se cerrarán.",
       "folderHeaderMenu": {
+        "manageConversations": "Gestionar conversaciones…",
         "removeFromWorkspace": "Quitar del espacio de trabajo"
+      },
+      "manageConversations": {
+        "title": "Gestionar conversaciones — {name}",
+        "searchPlaceholder": "Buscar por título…",
+        "agentFilterAll": "Todos los agentes",
+        "statusFilterAll": "Todos los estados",
+        "selectAllVisible": "Seleccionar todo",
+        "deselectAll": "Deseleccionar todo",
+        "selectedCount": "{count} seleccionada(s)",
+        "matchedCount": "{count} coincidencia(s)",
+        "messagesShort": "{count} msg",
+        "untitledConversation": "Conversación sin título",
+        "setStatus": "Cambiar estado…",
+        "deleteSelected": "Eliminar",
+        "noConversations": "No hay conversaciones en esta carpeta.",
+        "noMatchingConversations": "Ninguna conversación coincide con los filtros.",
+        "confirmDeleteTitle": "¿Eliminar {count} conversación(es)?",
+        "confirmDeleteDescription": "Esta acción no se puede deshacer.",
+        "toastDeleted": "Se eliminaron {count} conversación(es)",
+        "toastStatusUpdated": "Estado actualizado para {count} conversación(es)",
+        "toastOpFailed": "Error en la operación: {message}"
       }
     },
     "conversation": {

src/i18n/messages/fr.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "Retirer le dossier de l'espace de travail ?",
       "removeFolderConfirmDescription": "Retirer \"{name}\" de l'espace de travail ? Les onglets et terminaux associés seront fermés.",
       "folderHeaderMenu": {
+        "manageConversations": "Gérer les conversations…",
         "removeFromWorkspace": "Retirer de l'espace de travail"
+      },
+      "manageConversations": {
+        "title": "Gérer les conversations — {name}",
+        "searchPlaceholder": "Rechercher par titre…",
+        "agentFilterAll": "Tous les agents",
+        "statusFilterAll": "Tous les statuts",
+        "selectAllVisible": "Tout sélectionner",
+        "deselectAll": "Tout désélectionner",
+        "selectedCount": "{count} sélectionnée(s)",
+        "matchedCount": "{count} correspondance(s)",
+        "messagesShort": "{count} msg",
+        "untitledConversation": "Conversation sans titre",
+        "setStatus": "Définir le statut…",
+        "deleteSelected": "Supprimer",
+        "noConversations": "Aucune conversation dans ce dossier.",
+        "noMatchingConversations": "Aucune conversation ne correspond aux filtres.",
+        "confirmDeleteTitle": "Supprimer {count} conversation(s) ?",
+        "confirmDeleteDescription": "Cette action est irréversible.",
+        "toastDeleted": "{count} conversation(s) supprimée(s)",
+        "toastStatusUpdated": "Statut mis à jour pour {count} conversation(s)",
+        "toastOpFailed": "Échec de l'opération : {message}"
       }
     },
     "conversation": {

src/i18n/messages/ja.json

@@ -796,7 +796,29 @@
       "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。",
       "folderHeaderMenu": {
+        "manageConversations": "会話の管理…",
         "removeFromWorkspace": "ワークスペースから削除"
+      },
+      "manageConversations": {
+        "title": "会話の管理 — {name}",
+        "searchPlaceholder": "タイトルで検索…",
+        "agentFilterAll": "すべてのエージェント",
+        "statusFilterAll": "すべてのステータス",
+        "selectAllVisible": "すべて選択",
+        "deselectAll": "選択を解除",
+        "selectedCount": "{count} 件選択中",
+        "matchedCount": "{count} 件該当",
+        "messagesShort": "{count} 件",
+        "untitledConversation": "無題の会話",
+        "setStatus": "ステータスを変更…",
+        "deleteSelected": "削除",
+        "noConversations": "このフォルダには会話がありません。",
+        "noMatchingConversations": "条件に一致する会話がありません。",
+        "confirmDeleteTitle": "{count} 件の会話を削除しますか？",
+        "confirmDeleteDescription": "この操作は元に戻せません。",
+        "toastDeleted": "{count} 件の会話を削除しました",
+        "toastStatusUpdated": "{count} 件の会話のステータスを更新しました",
+        "toastOpFailed": "操作に失敗しました: {message}"
       }
     },
     "conversation": {

src/i18n/messages/ko.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "이 폴더를 워크스페이스에서 제거하시겠습니까?",
       "removeFolderConfirmDescription": "워크스페이스에서 \"{name}\"을(를) 제거하시겠습니까? 관련 탭과 터미널이 닫힙니다.",
       "folderHeaderMenu": {
+        "manageConversations": "대화 관리…",
         "removeFromWorkspace": "워크스페이스에서 제거"
+      },
+      "manageConversations": {
+        "title": "대화 관리 — {name}",
+        "searchPlaceholder": "제목으로 검색…",
+        "agentFilterAll": "모든 에이전트",
+        "statusFilterAll": "모든 상태",
+        "selectAllVisible": "전체 선택",
+        "deselectAll": "선택 해제",
+        "selectedCount": "{count}개 선택됨",
+        "matchedCount": "{count}개 일치",
+        "messagesShort": "{count}개",
+        "untitledConversation": "제목 없는 대화",
+        "setStatus": "상태 변경…",
+        "deleteSelected": "삭제",
+        "noConversations": "이 폴더에 대화가 없습니다.",
+        "noMatchingConversations": "필터에 일치하는 대화가 없습니다.",
+        "confirmDeleteTitle": "{count}개 대화를 삭제하시겠습니까?",
+        "confirmDeleteDescription": "이 작업은 되돌릴 수 없습니다.",
+        "toastDeleted": "{count}개 대화를 삭제했습니다",
+        "toastStatusUpdated": "{count}개 대화의 상태를 업데이트했습니다",
+        "toastOpFailed": "작업 실패: {message}"
       }
     },
     "conversation": {

src/i18n/messages/pt.json

@@ -796,7 +796,29 @@
       "removeFolderConfirmTitle": "Remover pasta do espaço de trabalho?",
       "removeFolderConfirmDescription": "Remover \"{name}\" do espaço de trabalho? As abas e terminais relacionados serão fechados.",
       "folderHeaderMenu": {
+        "manageConversations": "Gerenciar conversas…",
         "removeFromWorkspace": "Remover do espaço de trabalho"
+      },
+      "manageConversations": {
+        "title": "Gerenciar conversas — {name}",
+        "searchPlaceholder": "Pesquisar por título…",
+        "agentFilterAll": "Todos os agentes",
+        "statusFilterAll": "Todos os status",
+        "selectAllVisible": "Selecionar tudo",
+        "deselectAll": "Desmarcar tudo",
+        "selectedCount": "{count} selecionada(s)",
+        "matchedCount": "{count} correspondência(s)",
+        "messagesShort": "{count} msg",
+        "untitledConversation": "Conversa sem título",
+        "setStatus": "Definir status…",
+        "deleteSelected": "Excluir",
+        "noConversations": "Sem conversas nesta pasta.",
+        "noMatchingConversations": "Nenhuma conversa corresponde aos filtros.",
+        "confirmDeleteTitle": "Excluir {count} conversa(s)?",
+        "confirmDeleteDescription": "Esta ação não pode ser desfeita.",
+        "toastDeleted": "{count} conversa(s) excluída(s)",
+        "toastStatusUpdated": "Status atualizado para {count} conversa(s)",
+        "toastOpFailed": "Falha na operação: {message}"
       }
     },
     "conversation": {

src/i18n/messages/zh-CN.json

@@ -796,7 +796,29 @@
       "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。",
       "folderHeaderMenu": {
+        "manageConversations": "会话管理…",
         "removeFromWorkspace": "从工作区移除"
+      },
+      "manageConversations": {
+        "title": "会话管理 — {name}",
+        "searchPlaceholder": "按标题搜索…",
+        "agentFilterAll": "全部智能体",
+        "statusFilterAll": "全部状态",
+        "selectAllVisible": "全选",
+        "deselectAll": "取消全选",
+        "selectedCount": "已选 {count} 条",
+        "matchedCount": "匹配 {count} 条",
+        "messagesShort": "{count} 条",
+        "untitledConversation": "未命名会话",
+        "setStatus": "设为状态…",
+        "deleteSelected": "删除",
+        "noConversations": "此文件夹暂无会话。",
+        "noMatchingConversations": "没有匹配过滤条件的会话。",
+        "confirmDeleteTitle": "删除 {count} 个会话？",
+        "confirmDeleteDescription": "此操作不可撤销。",
+        "toastDeleted": "已删除 {count} 个会话",
+        "toastStatusUpdated": "已更新 {count} 个会话的状态",
+        "toastOpFailed": "操作失败：{message}"
       }
     },
     "conversation": {

src/i18n/messages/zh-TW.json

@@ -796,7 +796,29 @@
       "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。",
       "folderHeaderMenu": {
+        "manageConversations": "會話管理…",
         "removeFromWorkspace": "從工作區移除"
+      },
+      "manageConversations": {
+        "title": "會話管理 — {name}",
+        "searchPlaceholder": "依標題搜尋…",
+        "agentFilterAll": "全部智能體",
+        "statusFilterAll": "全部狀態",
+        "selectAllVisible": "全選",
+        "deselectAll": "取消全選",
+        "selectedCount": "已選 {count} 筆",
+        "matchedCount": "符合 {count} 筆",
+        "messagesShort": "{count} 則",
+        "untitledConversation": "未命名會話",
+        "setStatus": "設為狀態…",
+        "deleteSelected": "刪除",
+        "noConversations": "此資料夾暫無會話。",
+        "noMatchingConversations": "沒有符合過濾條件的會話。",
+        "confirmDeleteTitle": "刪除 {count} 個會話？",
+        "confirmDeleteDescription": "此操作無法復原。",
+        "toastDeleted": "已刪除 {count} 個會話",
+        "toastStatusUpdated": "已更新 {count} 個會話的狀態",
+        "toastOpFailed": "操作失敗：{message}"
       }
     },
     "conversation": {