From 1930614a2f8a1e8d354679f20918de8aa3a13d23 Mon Sep 17 00:00:00 2001
From: FosanzDev <me@fosanz.dev>
Date: Mon, 23 Feb 2026 18:02:19 +0100
Subject: [PATCH 1/2] feat (#2603): Add bulk thread deletion with UI and API
 support.

Additional change: Set three dots visible for mobile view
---
 backend/chainlit/server.py                    |  26 +++
 backend/chainlit/translations/en-US.json      |   2 +
 backend/chainlit/types.py                     |   4 +
 .../src/components/LeftSidebar/ThreadList.tsx | 214 +++++++++++++++---
 libs/react-client/src/api/index.tsx           |  14 +-
 5 files changed, 229 insertions(+), 31 deletions(-)

diff --git a/backend/chainlit/server.py b/backend/chainlit/server.py
index 6accf1ccc4..e34d98ee8e 100644
--- a/backend/chainlit/server.py
+++ b/backend/chainlit/server.py
@@ -66,6 +66,7 @@
     ConnectMCPRequest,
     DeleteFeedbackRequest,
     DeleteThreadRequest,
+    DeleteThreadsRequest,
     DisconnectMCPRequest,
     ElementRequest,
     GetThreadsRequest,
@@ -1241,6 +1242,31 @@ async def delete_thread(
     return JSONResponse(content={"success": True})
 
 
+@router.delete("/project/threads")
+async def delete_threads(
+    request: Request,
+    payload: DeleteThreadsRequest,
+    current_user: UserParam,
+):
+    """Delete multiple threads."""
+
+    data_layer = get_data_layer()
+
+    if not data_layer:
+        raise HTTPException(status_code=400, detail="Data persistence is not enabled")
+
+    if not current_user:
+        raise HTTPException(status_code=401, detail="Unauthorized")
+
+    thread_ids = payload.threadIds
+
+    for thread_id in thread_ids:
+        await is_thread_author(current_user.identifier, thread_id)
+        await data_layer.delete_thread(thread_id)
+
+    return JSONResponse(content={"success": True})
+
+
 @router.post("/project/action")
 async def call_action(
     payload: CallActionRequest,
diff --git a/backend/chainlit/translations/en-US.json b/backend/chainlit/translations/en-US.json
index 028b750a0a..64c631ae80 100644
--- a/backend/chainlit/translations/en-US.json
+++ b/backend/chainlit/translations/en-US.json
@@ -6,6 +6,7 @@
       "continue": "Continue",
       "goBack": "Go Back",
       "reset": "Reset",
+      "select": "Select",
       "submit": "Submit"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "Confirm deletion",
           "description": "This will delete the thread as well as its messages and elements. This action cannot be undone",
+          "description_plural": "This will delete {{count}} threads as well as their messages and elements. This action cannot be undone",
           "success": "Chat deleted",
           "inProgress": "Deleting chat"
         },
diff --git a/backend/chainlit/types.py b/backend/chainlit/types.py
index 43d8e7cefa..8e69912ab4 100644
--- a/backend/chainlit/types.py
+++ b/backend/chainlit/types.py
@@ -231,6 +231,10 @@ class DeleteThreadRequest(BaseModel):
     threadId: str
 
 
+class DeleteThreadsRequest(BaseModel):
+    threadIds: List[str]
+
+
 class DeleteFeedbackRequest(BaseModel):
     feedbackId: str
 
diff --git a/frontend/src/components/LeftSidebar/ThreadList.tsx b/frontend/src/components/LeftSidebar/ThreadList.tsx
index 42d52706da..be0426727f 100644
--- a/frontend/src/components/LeftSidebar/ThreadList.tsx
+++ b/frontend/src/components/LeftSidebar/ThreadList.tsx
@@ -1,6 +1,6 @@
 import { cn } from '@/lib/utils';
 import { size } from 'lodash';
-import { Share2 } from 'lucide-react';
+import { Share2, Trash2 } from 'lucide-react';
 import { useContext, useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Link, useNavigate } from 'react-router-dom';
@@ -32,6 +32,7 @@ import {
   AlertDialogTitle
 } from '@/components/ui/alert-dialog';
 import { Button } from '@/components/ui/button';
+import { Checkbox } from '@/components/ui/checkbox';
 import {
   Dialog,
   DialogContent,
@@ -79,6 +80,9 @@ export function ThreadList({
   const { clear } = useChatInteract();
   const { threadId: currentThreadId } = useChatMessages();
   const [threadIdToDelete, setThreadIdToDelete] = useState<string>();
+  const [isDeletingSelected, setIsDeletingSelected] = useState(false);
+  const [selectedThreadIds, setSelectedThreadIds] = useState<string[]>([]);
+  const [isSelectionMode, setIsSelectionMode] = useState(false);
   const [threadIdToRename, setThreadIdToRename] = useState<string>();
   const [threadNewName, setThreadNewName] = useState<string>();
   const setThreadHistory = useSetRecoilState(threadHistoryState);
@@ -176,6 +180,45 @@ export function ThreadList({
     });
   };
 
+  const handleDeleteSelected = async () => {
+    if (selectedThreadIds.length === 0) return;
+
+    if (
+      selectedThreadIds.includes(idToResume || '') ||
+      selectedThreadIds.includes(currentThreadId || '')
+    ) {
+      clear();
+      await new Promise((resolve) => setTimeout(resolve, 300));
+    }
+
+    toast.promise(apiClient.deleteThreads(selectedThreadIds), {
+      loading: (
+        <Translator path="threadHistory.thread.actions.delete.inProgress" />
+      ),
+      success: () => {
+        setThreadHistory((prev) => ({
+          ...prev,
+          threads: prev?.threads?.filter(
+            (t) => !selectedThreadIds.includes(t.id)
+          )
+        }));
+        setSelectedThreadIds([]);
+        setIsSelectionMode(false);
+        navigate('/');
+        return (
+          <Translator path="threadHistory.thread.actions.delete.success" />
+        );
+      },
+      error: (err) => {
+        if (err instanceof ClientError) {
+          return <span>{err.message}</span>;
+        } else {
+          return <span></span>;
+        }
+      }
+    });
+  };
+
   const handleRenameThread = () => {
     if (!threadIdToRename || !threadNewName) return;
 
@@ -259,6 +302,31 @@ export function ThreadList({
           </AlertDialogFooter>
         </AlertDialogContent>
       </AlertDialog>
+      <AlertDialog
+        open={isDeletingSelected}
+        onOpenChange={(open) => setIsDeletingSelected(open)}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>
+              <Translator path="threadHistory.thread.actions.delete.title" />
+            </AlertDialogTitle>
+            <AlertDialogDescription>
+              {t('threadHistory.thread.actions.delete.description_plural', {
+                count: selectedThreadIds.length
+              })}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter className="flex-row gap-2 sm:gap-0">
+            <AlertDialogCancel className="mt-0">
+              <Translator path="common.actions.cancel" />
+            </AlertDialogCancel>
+            <AlertDialogAction onClick={handleDeleteSelected}>
+              <Translator path="common.actions.confirm" />
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
       <Dialog
         open={!!threadIdToRename}
         onOpenChange={() => setThreadIdToRename(undefined)}
@@ -312,6 +380,39 @@ export function ThreadList({
         threadId={threadIdToShare || null}
       />
       <TooltipProvider delayDuration={300}>
+        <div className="flex items-center justify-between px-4 py-2 border-b">
+          <Button
+            variant="ghost"
+            size="sm"
+            onClick={() => {
+              setIsSelectionMode(!isSelectionMode);
+              setSelectedThreadIds([]);
+            }}
+            className="text-xs h-8 px-2 text-muted-foreground hover:text-foreground transition-colors"
+          >
+            {isSelectionMode ? (
+              <Translator path="common.actions.cancel" />
+            ) : (
+              <Translator path="common.actions.select" />
+            )}
+          </Button>
+          {isSelectionMode && (
+            <div className="flex items-center gap-2">
+              {selectedThreadIds.length > 0 && (
+                <Button
+                  variant="ghost"
+                  size="sm"
+                  onClick={() => setIsDeletingSelected(true)}
+                  className="text-xs h-8 px-2 text-red-500 hover:text-red-600 transition-colors"
+                >
+                  <Trash2 className="w-4 h-4 mr-1" />
+                  <Translator path="threadHistory.thread.menu.delete" />(
+                  {selectedThreadIds.length})
+                </Button>
+              )}
+            </div>
+          )}
+        </div>
         {sortedTimeGroupKeys.map((group) => {
           const items = threadHistory!.timeGroupedThreads![group];
           return (
@@ -329,51 +430,104 @@ export function ThreadList({
                       <SidebarMenuItem
                         key={thread.id}
                         id={`thread-${thread.id}`}
+                        className="flex items-center group/item min-w-0"
                       >
+                        {isSelectionMode && (
+                          <Checkbox
+                            checked={selectedThreadIds.includes(thread.id)}
+                            onCheckedChange={(checked) => {
+                              if (checked) {
+                                setSelectedThreadIds([
+                                  ...selectedThreadIds,
+                                  thread.id
+                                ]);
+                              } else {
+                                setSelectedThreadIds(
+                                  selectedThreadIds.filter(
+                                    (id) => id !== thread.id
+                                  )
+                                );
+                              }
+                            }}
+                            className="ml-2 shrink-0 transition-opacity"
+                          />
+                        )}
                         <Tooltip>
-                          <TooltipTrigger asChild>
-                            <Link to={isResumed ? '' : `/thread/${thread.id}`}>
+                          <TooltipTrigger asChild className="flex-grow min-w-0">
+                            <Link
+                              to={
+                                isSelectionMode || isResumed
+                                  ? ''
+                                  : `/thread/${thread.id}`
+                              }
+                              className="min-w-0"
+                              onClick={(e) => {
+                                if (isSelectionMode) {
+                                  e.preventDefault();
+                                  e.stopPropagation();
+                                  const isSelected = selectedThreadIds.includes(
+                                    thread.id
+                                  );
+                                  if (isSelected) {
+                                    setSelectedThreadIds(
+                                      selectedThreadIds.filter(
+                                        (id) => id !== thread.id
+                                      )
+                                    );
+                                  } else {
+                                    setSelectedThreadIds([
+                                      ...selectedThreadIds,
+                                      thread.id
+                                    ]);
+                                  }
+                                }
+                              }}
+                            >
                               <SidebarMenuButton
                                 isActive={isSelected}
-                                className="relative h-9 group/thread"
+                                className="relative h-9 group/thread min-w-0 pr-8"
                               >
-                                <span className="flex min-w-0 items-center gap-2">
+                                <span className="flex min-w-0 items-center gap-2 flex-grow">
                                   {thread.metadata?.is_shared ? (
                                     <Share2
                                       className="h-4 w-4 shrink-0 text-muted-foreground"
                                       aria-hidden="true"
                                     />
                                   ) : null}
-                                  <span className="truncate">
+                                  <span className="truncate flex-grow">
                                     {thread.name || (
                                       <Translator path="threadHistory.thread.untitled" />
                                     )}
                                   </span>
                                 </span>
-                                <div
-                                  className={cn(
-                                    'absolute w-10 bottom-0 top-0 right-0 bg-gradient-to-l from-[hsl(var(--sidebar-background))] to-transparent'
-                                  )}
-                                />
-                                <ThreadOptions
-                                  onDelete={() =>
-                                    setThreadIdToDelete(thread.id)
-                                  }
-                                  onRename={() => {
-                                    setThreadIdToRename(thread.id);
-                                    setThreadNewName(thread.name);
-                                  }}
-                                  onShare={
-                                    dataPersistence && threadSharingReady
-                                      ? () => handleShareThread(thread.id)
-                                      : undefined
-                                  }
-                                  className={cn(
-                                    'absolute z-20 bottom-0 top-0 right-0 bg-sidebar-accent hover:bg-sidebar-accent hover:text-primary flex opacity-0 group-hover/thread:opacity-100',
-                                    isSelected &&
-                                      'bg-sidebar-accent opacity-100'
-                                  )}
-                                />
+                                {!isSelectionMode && (
+                                  <>
+                                    <div
+                                      className={cn(
+                                        'absolute w-10 bottom-0 top-0 right-0 bg-gradient-to-l from-[hsl(var(--sidebar-background))] to-transparent'
+                                      )}
+                                    />
+                                    <ThreadOptions
+                                      onDelete={() =>
+                                        setThreadIdToDelete(thread.id)
+                                      }
+                                      onRename={() => {
+                                        setThreadIdToRename(thread.id);
+                                        setThreadNewName(thread.name);
+                                      }}
+                                      onShare={
+                                        dataPersistence && threadSharingReady
+                                          ? () => handleShareThread(thread.id)
+                                          : undefined
+                                      }
+                                      className={cn(
+                                        'absolute z-20 bottom-0 top-0 right-0 hover:bg-sidebar-accent hover:text-primary flex opacity-100 md:opacity-0 md:group-hover/thread:opacity-100',
+                                        isSelected &&
+                                          'bg-sidebar-accent opacity-100'
+                                      )}
+                                    />
+                                  </>
+                                )}
                               </SidebarMenuButton>
                             </Link>
                           </TooltipTrigger>
diff --git a/libs/react-client/src/api/index.tsx b/libs/react-client/src/api/index.tsx
index e6b2911c84..57dfab0a39 100644
--- a/libs/react-client/src/api/index.tsx
+++ b/libs/react-client/src/api/index.tsx
@@ -1,8 +1,11 @@
 import { IElement, IThread, IUser } from 'src/types';
 
+
+
 import { IAction } from 'src/types/action';
 import { IFeedback } from 'src/types/feedback';
 
+
 export * from './hooks/auth';
 export * from './hooks/api';
 
@@ -243,6 +246,12 @@ export class ChainlitAPI extends APIBase {
     return res.json();
   }
 
+  async deleteThreads(threadIds: string[]) {
+    const res = await this.delete(`/project/threads`, { threadIds });
+
+    return res.json();
+  }
+
   uploadFile(
     file: File,
     onProgress: (progress: number) => void,
@@ -376,7 +385,10 @@ export class ChainlitAPI extends APIBase {
   getOAuthEndpoint(provider: string) {
     return this.buildEndpoint(`/auth/oauth/${provider}`);
   }
-  async shareThread(threadId: string, isShared: boolean): Promise<{ success: boolean }> {
+  async shareThread(
+    threadId: string,
+    isShared: boolean
+  ): Promise<{ success: boolean }> {
     const res = await this.put(`/project/thread/share`, {
       threadId,
       isShared

From d3ba9fa513adb57f0d607de25c361d39c65d6c4a Mon Sep 17 00:00:00 2001
From: FosanzDev <me@fosanz.dev>
Date: Mon, 23 Feb 2026 18:13:33 +0100
Subject: [PATCH 2/2] Add new translations for "select" and pluralized deletion
 descriptions across multiple languages.

---
 backend/chainlit/translations/bn.json    | 2 ++
 backend/chainlit/translations/de-DE.json | 2 ++
 backend/chainlit/translations/el-GR.json | 2 ++
 backend/chainlit/translations/es.json    | 4 +++-
 backend/chainlit/translations/fr-FR.json | 2 ++
 backend/chainlit/translations/gu.json    | 2 ++
 backend/chainlit/translations/he-IL.json | 2 ++
 backend/chainlit/translations/hi.json    | 2 ++
 backend/chainlit/translations/it.json    | 2 ++
 backend/chainlit/translations/ja.json    | 2 ++
 backend/chainlit/translations/kn.json    | 6 ++++--
 backend/chainlit/translations/ko.json    | 2 ++
 backend/chainlit/translations/ml.json    | 2 ++
 backend/chainlit/translations/mr.json    | 2 ++
 backend/chainlit/translations/nl.json    | 2 ++
 backend/chainlit/translations/ta.json    | 2 ++
 backend/chainlit/translations/te.json    | 2 ++
 backend/chainlit/translations/zh-CN.json | 2 ++
 backend/chainlit/translations/zh-TW.json | 2 ++
 19 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/backend/chainlit/translations/bn.json b/backend/chainlit/translations/bn.json
index 17bc629842..4dec40a63b 100644
--- a/backend/chainlit/translations/bn.json
+++ b/backend/chainlit/translations/bn.json
@@ -6,6 +6,7 @@
       "continue": "চালিয়ে যান",
       "goBack": "পিছনে যান",
       "reset": "রিসেট করুন",
+      "select": "নির্বাচন করুন",
       "submit": "জমা দিন"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "মুছে ফেলা নিশ্চিত করুন",
           "description": "এটি থ্রেড এবং এর বার্তা ও উপাদানগুলি মুছে ফেলবে। এই কাজটি পূর্বাবস্থায় ফেরানো যাবে না",
+          "description_plural": "এটি {{count}}টি থ্রেড এবং তাদের বার্তা এবং উপাদানগুলি মুছে ফেলবে। এই কাজটি পূর্বাবস্থায় ফেরানো যাবে না",
           "success": "চ্যাট মুছে ফেলা হয়েছে",
           "inProgress": "চ্যাট মুছে ফেলা হচ্ছে"
         },
diff --git a/backend/chainlit/translations/de-DE.json b/backend/chainlit/translations/de-DE.json
index d626294400..7affc97297 100644
--- a/backend/chainlit/translations/de-DE.json
+++ b/backend/chainlit/translations/de-DE.json
@@ -6,6 +6,7 @@
       "continue": "Fortfahren",
       "goBack": "Zurück",
       "reset": "Zurücksetzen",
+      "select": "Auswählen",
       "submit": "Absenden"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "Löschen bestätigen",
           "description": "Dies wird den Thread sowie seine Nachrichten und Elemente löschen. Dies kann nicht rückgängig gemacht werden",
+          "description_plural": "Dies wird {{count}} Threads sowie deren Nachrichten und Elemente löschen. Dies kann nicht rückgängig gemacht werden",
           "success": "Chat gelöscht",
           "inProgress": "Chat wird gelöscht"
         },
diff --git a/backend/chainlit/translations/el-GR.json b/backend/chainlit/translations/el-GR.json
index bfcbc05883..761041ab50 100644
--- a/backend/chainlit/translations/el-GR.json
+++ b/backend/chainlit/translations/el-GR.json
@@ -6,6 +6,7 @@
       "continue": "Συνέχεια",
       "goBack": "Επιστροφή",
       "reset": "Επαναφορά",
+      "select": "Επιλογή",
       "submit": "Υποβολή"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "Επιβεβαίωση διαγραφής",
           "description": "Αυτό θα διαγράψει το νήμα καθώς και τα μηνύματα και τα στοιχεία του. Αυτή η ενέργεια δεν μπορεί να αναιρεθεί.",
+          "description_plural": "Αυτό θα διαγράψει {{count}} νήματα καθώς και τα μηνύματα και τα στοιχεία τους. Αυτή η ενέργεια δεν μπορεί να αναιρεθεί.",
           "success": "Η συνομιλία διαγράφηκε",
           "inProgress": "Διαγραφή συνομιλίας"
         },
diff --git a/backend/chainlit/translations/es.json b/backend/chainlit/translations/es.json
index 0527fe7429..03fddfb494 100644
--- a/backend/chainlit/translations/es.json
+++ b/backend/chainlit/translations/es.json
@@ -6,6 +6,7 @@
       "continue": "Continuar",
       "goBack": "Volver",
       "reset": "Restablecer",
+      "select": "Seleccionar",
       "submit": "Enviar"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "Confirmar eliminación",
           "description": "Esto eliminará la conversación, sus mensajes y elementos. Esta acción no se puede deshacer",
+          "description_plural": "Esto eliminará {{count}} conversaciones, sus mensajes y elementos. Esta acción no se puede deshacer",
           "success": "Chat eliminado",
           "inProgress": "Eliminando chat"
         },
@@ -256,4 +258,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/backend/chainlit/translations/fr-FR.json b/backend/chainlit/translations/fr-FR.json
index 915ecefc82..584fbf27d4 100644
--- a/backend/chainlit/translations/fr-FR.json
+++ b/backend/chainlit/translations/fr-FR.json
@@ -6,6 +6,7 @@
             "continue": "Continuer",
             "goBack": "Retour",
             "reset": "Réinitialiser",
+            "select": "Sélectionner",
             "submit": "Envoyer"
         },
         "status": {
@@ -176,6 +177,7 @@
                 "delete": {
                     "title": "Confirmer la suppression",
                     "description": "Cela supprimera le fil de discussion ainsi que ses messages et éléments. Cette action ne peut pas être annulée",
+                    "description_plural": "Cela supprimera {{count}} fils de discussion ainsi que leurs messages et éléments. Cette action ne peut pas être annulée",
                     "success": "Discussion supprimée",
                     "inProgress": "Suppression de la discussion"
                 },
diff --git a/backend/chainlit/translations/gu.json b/backend/chainlit/translations/gu.json
index 905612645a..21f1763330 100644
--- a/backend/chainlit/translations/gu.json
+++ b/backend/chainlit/translations/gu.json
@@ -6,6 +6,7 @@
       "continue": "ચાલુ રાખો",
       "goBack": "પાછા જાઓ",
       "reset": "રીસેટ કરો",
+      "select": "પસંદ કરો",
       "submit": "સબમિટ કરો"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "કાઢી નાખવાની પુષ્ટિ કરો",
           "description": "આ થ્રેડ અને તેના સંદેશાઓ અને તત્વોને કાઢી નાખશે. આ ક્રિયા પાછી ફેરવી શકાશે નહીં",
+          "description_plural": "આ {{count}} થ્રેડો તેમજ તેમના સંદેશાઓ અને તત્વોને કાઢી નાખશે. આ ક્રિયા પાછી ફેરવી શકાશે નહીં",
           "success": "ચેટ કાઢી નાખી",
           "inProgress": "ચેટ કાઢી નાખી રહ્યા છીએ"
         },
diff --git a/backend/chainlit/translations/he-IL.json b/backend/chainlit/translations/he-IL.json
index db787c49e3..2adf36d75b 100644
--- a/backend/chainlit/translations/he-IL.json
+++ b/backend/chainlit/translations/he-IL.json
@@ -6,6 +6,7 @@
       "continue": "המשך",
       "goBack": "חזור",
       "reset": "איפוס",
+      "select": "בחר",
       "submit": "שלח"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "אשר מחיקה",
           "description": "פעולה זו תמחק את השיחה וכן את ההודעות והאלמנטים שלה. לא ניתן לבטל פעולה זו",
+          "description_plural": "פעולה זו תמחק {{count}} שיחות וכן את ההודעות והאלמנטים שלהן. לא ניתן לבטל פעולה זו",
           "success": "הצ'אט נמחק",
           "inProgress": "מוחק צ'אט"
         },
diff --git a/backend/chainlit/translations/hi.json b/backend/chainlit/translations/hi.json
index 73cff709ee..c592ac3453 100644
--- a/backend/chainlit/translations/hi.json
+++ b/backend/chainlit/translations/hi.json
@@ -6,6 +6,7 @@
       "continue": "जारी रखें",
       "goBack": "वापस जाएं",
       "reset": "रीसेट करें",
+      "select": "चुनें",
       "submit": "जमा करें"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "हटाने की पुष्टि करें",
           "description": "यह थ्रेड और इसके संदेशों और तत्वों को हटा देगा। यह क्रिया वापस नहीं की जा सकती",
+          "description_plural": "यह {{count}} थ्रेड्स के साथ-साथ उनके संदेशों और तत्वों को हटा देगा। यह क्रिया वापस नहीं की जा सकती",
           "success": "चैट हटा दी गई",
           "inProgress": "चैट हटाई जा रही है"
         },
diff --git a/backend/chainlit/translations/it.json b/backend/chainlit/translations/it.json
index cbc74b9f3a..1f553cfce7 100644
--- a/backend/chainlit/translations/it.json
+++ b/backend/chainlit/translations/it.json
@@ -6,6 +6,7 @@
       "continue": "Continua",
       "goBack": "Ritorna",
       "reset": "Reset",
+      "select": "Seleziona",
       "submit": "Invia"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "Conferma eliminazione",
           "description": "Stai per eliminare la chat insieme ai suoi messaggi ed elementi. Questa azione non può essere annullata",
+          "description_plural": "Stai per eliminare {{count}} chat insieme ai loro messaggi ed elementi. Questa azione non può essere annullata",
           "success": "Chat eliminata",
           "inProgress": "Eliminazione chat"
         },
diff --git a/backend/chainlit/translations/ja.json b/backend/chainlit/translations/ja.json
index ed7ab6f9d4..d8768aeed7 100644
--- a/backend/chainlit/translations/ja.json
+++ b/backend/chainlit/translations/ja.json
@@ -6,6 +6,7 @@
         "continue": "続ける",
         "goBack": "戻る",
         "reset": "リセット",
+        "select": "選択",
         "submit": "送信"
       },
       "status": {
@@ -175,6 +176,7 @@
           "delete": {
             "title": "削除の確認",
             "description": "このスレッドとそのメッセージ、要素が削除されます。この操作は取り消せません",
+            "description_plural": "これにより {{count}} 個のスレッドと、そのメッセージおよび要素が削除されます。この操作は取り消せません",
             "success": "チャットを削除しました",
             "inProgress": "チャットを削除中"
           },
diff --git a/backend/chainlit/translations/kn.json b/backend/chainlit/translations/kn.json
index 0ad4b05f04..db2828007f 100644
--- a/backend/chainlit/translations/kn.json
+++ b/backend/chainlit/translations/kn.json
@@ -5,8 +5,9 @@
       "confirm": "ದೃಢೀಕರಿಸಿ",
       "continue": "ಮುಂದುವರಿಸಿ",
       "goBack": "ಹಿಂದೆ ಹೋಗಿ",
-  "reset": "ಮರುಹೊಂದಿಸಿ",
-  "submit": "ಸಲ್ಲಿಸಿ"
+      "reset": "ಮರುಹೊಂದಿಸಿ",
+      "select": "ಆರಿಸಿ",
+      "submit": "ಸಲ್ಲಿಸಿ"
     },
     "status": {
       "loading": "ಲೋಡ್ ಆಗುತ್ತಿದೆ...",
@@ -176,6 +177,7 @@
         "delete": {
           "title": "ಅಳಿಸುವಿಕೆಯನ್ನು ದೃಢೀಕರಿಸಿ",
           "description": "ಇದು ಸಂಭಾಷಣೆಯನ್ನು ಹಾಗೂ ಅದರ ಸಂದೇಶಗಳು ಮತ್ತು ಅಂಶಗಳನ್ನು ಅಳಿಸುತ್ತದೆ. ಈ ಕ್ರಿಯೆಯನ್ನು ರದ್ದುಗೊಳಿಸಲು ಸಾಧ್ಯವಿಲ್ಲ",
+          "description_plural": "ಇದು {{count}} ಸಂಭಾಷಣೆಗಳನ್ನು ಹಾಗೂ ಅವುಗಳ ಸಂದೇಶಗಳು ಮತ್ತು ಅಂಶಗಳನ್ನು ಅಳಿಸುತ್ತದೆ. ಈ ಕ್ರಿಯೆಯನ್ನು ರದ್ದುಗೊಳಿಸಲು ಸಾಧ್ಯವಿಲ್ಲ",
           "success": "ಸಂಭಾಷಣೆ ಅಳಿಸಲಾಗಿದೆ",
           "inProgress": "ಸಂಭಾಷಣೆ ಅಳಿಸಲಾಗುತ್ತಿದೆ"
         },
diff --git a/backend/chainlit/translations/ko.json b/backend/chainlit/translations/ko.json
index 2d286036a5..0ef1424409 100644
--- a/backend/chainlit/translations/ko.json
+++ b/backend/chainlit/translations/ko.json
@@ -6,6 +6,7 @@
             "continue": "계속",
             "goBack": "뒤로 가기",
             "reset": "초기화",
+            "select": "선택",
             "submit": "제출"
         },
         "status": {
@@ -176,6 +177,7 @@
                 "delete": {
                     "title": "삭제 확인",
                     "description": "이렇게 하면 스레드와 그 메시지 및 요소가 삭제됩니다. 이 작업은 취소할 수 없습니다",
+                    "description_plural": "이렇게 하면 {{count}}개의 스레드와 해당 메시지 및 요소가 삭제됩니다. 이 작업은 취소할 수 없습니다",
                     "success": "채팅이 삭제되었습니다",
                     "inProgress": "채팅 삭제 중"
                 },
diff --git a/backend/chainlit/translations/ml.json b/backend/chainlit/translations/ml.json
index 70eb7ea1f8..6577ad40b5 100644
--- a/backend/chainlit/translations/ml.json
+++ b/backend/chainlit/translations/ml.json
@@ -6,6 +6,7 @@
       "continue": "തുടരുക",
       "goBack": "തിരികെ പോകുക",
       "reset": "പുനഃസജ്ജമാക്കുക",
+      "select": "തിരഞ്ഞെടുക്കുക",
       "submit": "സമർപ്പിക്കുക"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "ഡിലീറ്റ് സ്ഥിരീകരിക്കുക",
           "description": "ഇത് ത്രെഡും അതിന്റെ സന്ദേശങ്ങളും ഘടകങ്ങളും ഡിലീറ്റ് ചെയ്യും. ഈ പ്രവർത്തി പഴയപടിയാക്കാൻ കഴിയില്ല",
+          "description_plural": "ഇത് {{count}} ത്രെഡുകളും അവയുടെ സന്ദേശങ്ങളും ഘടകങ്ങളും ഡിലീറ്റ് ചെയ്യും. ഈ പ്രവർത്തി പഴയപടിയാക്കാൻ കഴിയില്ല",
           "success": "ചാറ്റ് ഡിലീറ്റ് ചെയ്തു",
           "inProgress": "ചാറ്റ് ഡിലീറ്റ് ചെയ്യുന്നു"
         },
diff --git a/backend/chainlit/translations/mr.json b/backend/chainlit/translations/mr.json
index 2d232c4a71..321e9636ca 100644
--- a/backend/chainlit/translations/mr.json
+++ b/backend/chainlit/translations/mr.json
@@ -6,6 +6,7 @@
       "continue": "पुढे जा",
       "goBack": "मागे जा",
       "reset": "रीसेट करा",
+      "select": "निवडा",
       "submit": "सबमिट करा"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "हटविण्याची पुष्टी करा",
           "description": "हे थ्रेड आणि त्याचे संदेश व घटक हटवेल. ही क्रिया पूर्ववत केली जाऊ शकत नाही",
+          "description_plural": "हे {{count}} थ्रेड्स तसेच त्यांचे संदेश आणि घटक हटवेल. ही क्रिया पूर्ववत केली जाऊ शकत नाही",
           "success": "चॅट हटवला",
           "inProgress": "चॅट हटवत आहे"
         },
diff --git a/backend/chainlit/translations/nl.json b/backend/chainlit/translations/nl.json
index 43a5e522ba..6d4be0d037 100644
--- a/backend/chainlit/translations/nl.json
+++ b/backend/chainlit/translations/nl.json
@@ -6,6 +6,7 @@
         "continue": "Doorgaan",
         "goBack": "Terug",
         "reset": "Herstellen",
+        "select": "Selecteer",
         "submit": "Versturen"
       },
       "status": {
@@ -176,6 +177,7 @@
           "delete": {
             "title": "Verwijdering bevestigen",
             "description": "Dit zal het gesprek en bijbehorende berichten en elementen verwijderen. Deze actie kan niet ongedaan worden gemaakt",
+            "description_plural": "Dit zal {{count}} gesprekken en bijbehorende berichten en elementen verwijderen. Deze actie kan niet ongedaan worden gemaakt",
             "success": "Chat verwijderd",
             "inProgress": "Chat verwijderen"
           },
diff --git a/backend/chainlit/translations/ta.json b/backend/chainlit/translations/ta.json
index 9324ff3479..dba7552020 100644
--- a/backend/chainlit/translations/ta.json
+++ b/backend/chainlit/translations/ta.json
@@ -6,6 +6,7 @@
       "continue": "தொடர்க",
       "goBack": "திரும்பிச் செல்",
       "reset": "மீட்டமை",
+      "select": "தேர்ந்தெடு",
       "submit": "சமர்ப்பி"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "நீக்குவதை உறுதிப்படுத்து",
           "description": "இது உரையாடல் மற்றும் அதன் செய்திகள், உறுப்புகளை நீக்கும். இந்த செயலை மீட்டெடுக்க முடியாது",
+          "description_plural": "இது {{count}} உரையாடல்கள் மற்றும் அவற்றின் செய்திகள், உறுப்புகளை நீக்கும். இந்தச் செயலை மீட்டெடுக்க முடியாது",
           "success": "உரையாடல் நீக்கப்பட்டது",
           "inProgress": "உரையாடலை நீக்குகிறது"
         },
diff --git a/backend/chainlit/translations/te.json b/backend/chainlit/translations/te.json
index 8eb7d40db3..9333936d6f 100644
--- a/backend/chainlit/translations/te.json
+++ b/backend/chainlit/translations/te.json
@@ -6,6 +6,7 @@
       "continue": "కొనసాగించండి",
       "goBack": "వెనక్కి వెళ్ళండి",
       "reset": "రీసెట్ చేయండి",
+      "select": "ఎంచుకోండి",
       "submit": "సమర్పించండి"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "తొలగింపును నిర్ధారించండి",
           "description": "ఇది థ్రెడ్‌తో పాటు దాని సందేశాలను మరియు అంశాలను తొలగిస్తుంది. ఈ చర్యను రద్దు చేయలేరు",
+          "description_plural": "ఇది {{count}} థ్రెడ్‌లతో పాటు వాటి సందేశాలను మరియు అంశాలను తొలగిస్తుంది. ఈ చర్యను రద్దు చేయలేరు",
           "success": "చాట్ తొలగించబడింది",
           "inProgress": "చాట్‌ని తొలగిస్తోంది"
         },
diff --git a/backend/chainlit/translations/zh-CN.json b/backend/chainlit/translations/zh-CN.json
index 5a6348f1f7..18a05b4336 100644
--- a/backend/chainlit/translations/zh-CN.json
+++ b/backend/chainlit/translations/zh-CN.json
@@ -6,6 +6,7 @@
       "continue": "继续",
       "goBack": "返回",
       "reset": "重置",
+      "select": "选择",
       "submit": "提交"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "确认删除",
           "description": "这将删除该对话及其所有消息和元素。此操作无法撤销",
+          "description_plural": "这将删除 {{count}} 个对话及其所有消息和元素。此操作无法撤销",
           "success": "对话已删除",
           "inProgress": "正在删除对话"
         },
diff --git a/backend/chainlit/translations/zh-TW.json b/backend/chainlit/translations/zh-TW.json
index 5e2e1421aa..6e0ce0eaa6 100644
--- a/backend/chainlit/translations/zh-TW.json
+++ b/backend/chainlit/translations/zh-TW.json
@@ -6,6 +6,7 @@
       "continue": "繼續",
       "goBack": "返回",
       "reset": "重設",
+      "select": "選擇",
       "submit": "送出"
     },
     "status": {
@@ -176,6 +177,7 @@
         "delete": {
           "title": "確認刪除",
           "description": "這將刪除該對話及其所有訊息和元件。此操作無法復原。",
+          "description_plural": "這將刪除 {{count}} 個對話及其所有訊息和元件。此操作無法復原。",
           "success": "對話已刪除",
           "inProgress": "正在刪除對話"
         },