fix(webui): polish delete dialog and sidebar toggles

Co-authored-by: Cursor <cursoragent@cursor.com>

webui/src/components/DeleteConfirm.tsx

@@ -8,6 +8,7 @@ import {
   AlertDialogHeader,
   AlertDialogTitle,
 } from "@/components/ui/alert-dialog";
+import { Trash2 } from "lucide-react";
 import { useTranslation } from "react-i18next";
 
 interface DeleteConfirmProps {
@@ -26,22 +27,32 @@ export function DeleteConfirm({
   const { t } = useTranslation();
   return (
     <AlertDialog open={open} onOpenChange={(o) => (!o ? onCancel() : undefined)}>
-      <AlertDialogContent>
-        <AlertDialogHeader>
-          <AlertDialogTitle>
+      <AlertDialogContent
+        className="w-[min(calc(100vw-2rem),22.75rem)] gap-0 rounded-[28px] border border-white/70 bg-card/95 p-5 text-center shadow-[0_24px_80px_rgba(15,23,42,0.20)] backdrop-blur-xl data-[state=open]:zoom-in-95 sm:rounded-[28px]"
+      >
+        <AlertDialogHeader className="items-center space-y-0 text-center">
+          <div className="mb-5 grid h-16 w-16 place-items-center rounded-full bg-destructive/10 text-destructive">
+            <div className="grid h-9 w-9 place-items-center rounded-full border border-destructive/20 bg-destructive/5">
+              <Trash2 className="h-5 w-5" strokeWidth={2.4} aria-hidden />
+            </div>
+          </div>
+          <AlertDialogTitle className="text-center text-[20px] font-semibold leading-tight tracking-[-0.02em] text-foreground">
             {t("deleteConfirm.title", { title })}
           </AlertDialogTitle>
-          <AlertDialogDescription>
+          <AlertDialogDescription className="mt-3 max-w-[17rem] text-center text-[14px] leading-6 text-muted-foreground">
             {t("deleteConfirm.description")}
           </AlertDialogDescription>
         </AlertDialogHeader>
-        <AlertDialogFooter>
-          <AlertDialogCancel onClick={onCancel}>
+        <AlertDialogFooter className="mt-7 grid grid-cols-2 gap-3 space-x-0">
+          <AlertDialogCancel
+            onClick={onCancel}
+            className="mt-0 h-11 rounded-full border-0 bg-muted/70 px-5 text-[15px] font-semibold text-foreground shadow-none hover:bg-muted"
+          >
             {t("deleteConfirm.cancel")}
           </AlertDialogCancel>
           <AlertDialogAction
             onClick={onConfirm}
-            className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
+            className="h-11 rounded-full bg-destructive px-5 text-[15px] font-semibold text-destructive-foreground shadow-[0_10px_25px_rgba(239,68,68,0.28)] hover:bg-destructive/90"
           >
             {t("deleteConfirm.confirm")}
           </AlertDialogAction>

webui/src/components/Sidebar.tsx

@@ -1,6 +1,6 @@
 import { useMemo, useState } from "react";
 import {
-  PanelLeftClose,
+  Menu,
   Search,
   SquarePen,
 } from "lucide-react";
@@ -65,7 +65,7 @@ export function Sidebar(props: SidebarProps) {
           onClick={props.onCollapse}
           className="h-7 w-7 rounded-lg text-muted-foreground/85 hover:bg-sidebar-accent/75 hover:text-sidebar-foreground"
         >
-          <PanelLeftClose className="h-3.5 w-3.5" />
+          <Menu className="h-3.5 w-3.5" />
         </Button>
       </div>
 

webui/src/components/thread/ThreadHeader.tsx

@@ -1,4 +1,4 @@
-import { Menu, Moon, PanelLeftOpen, Settings, Sun } from "lucide-react";
+import { Menu, Moon, Settings, Sun } from "lucide-react";
 import { useTranslation } from "react-i18next";
 
 import { Button } from "@/components/ui/button";
@@ -80,7 +80,7 @@ export function ThreadHeader({
             hideSidebarToggleOnDesktop && "lg:pointer-events-none lg:opacity-0",
           )}
         >
-          <PanelLeftOpen className="h-3.5 w-3.5" />
+          <Menu className="h-3.5 w-3.5" />
         </Button>
         <div className="flex min-w-0 items-center rounded-md px-1.5 py-1 text-[12px] font-medium text-muted-foreground">
           <span className="max-w-[min(60vw,32rem)] truncate">{title}</span>

webui/src/components/ui/alert-dialog.tsx

@@ -15,7 +15,7 @@ const AlertDialogOverlay = React.forwardRef<
   <AlertDialogPrimitive.Overlay
     ref={ref}
     className={cn(
-      "fixed inset-0 z-50 bg-black/60 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      "fixed inset-0 z-50 bg-background/45 backdrop-blur-[3px] data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
       className,
     )}
     {...props}
@@ -29,14 +29,16 @@ const AlertDialogContent = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <AlertDialogPortal>
     <AlertDialogOverlay />
-    <AlertDialogPrimitive.Content
-      ref={ref}
-      className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 sm:rounded-lg",
-        className,
-      )}
-      {...props}
-    />
+    <div className="fixed inset-0 z-50 flex items-center justify-center p-4">
+      <AlertDialogPrimitive.Content
+        ref={ref}
+        className={cn(
+          "grid w-full max-w-lg origin-center gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 sm:rounded-lg",
+          className,
+        )}
+        {...props}
+      />
+    </div>
   </AlertDialogPortal>
 ));
 AlertDialogContent.displayName = AlertDialogPrimitive.Content.displayName;

webui/src/i18n/locales/en/common.json

@@ -70,8 +70,8 @@
     }
   },
   "deleteConfirm": {
-    "title": "Delete “{{title}}”?",
-    "description": "The session file will be removed from disk. This cannot be undone.",
+    "title": "Delete this chat?",
+    "description": "This action cannot be undone.",
     "cancel": "Cancel",
     "confirm": "Delete"
   },

webui/src/i18n/locales/es/common.json

@@ -45,8 +45,8 @@
     "newChat": "Nuevo chat"
   },
   "deleteConfirm": {
-    "title": "¿Eliminar “{{title}}”?",
-    "description": "El archivo de sesión se eliminará del disco. Esta acción no se puede deshacer.",
+    "title": "¿Eliminar este chat?",
+    "description": "Esta acción no se puede deshacer.",
     "cancel": "Cancelar",
     "confirm": "Eliminar"
   },

webui/src/i18n/locales/fr/common.json

@@ -45,8 +45,8 @@
     "newChat": "Nouvelle discussion"
   },
   "deleteConfirm": {
-    "title": "Supprimer « {{title}} » ?",
-    "description": "Le fichier de session sera supprimé du disque. Cette action est irréversible.",
+    "title": "Supprimer cette discussion ?",
+    "description": "Cette action est irréversible.",
     "cancel": "Annuler",
     "confirm": "Supprimer"
   },

webui/src/i18n/locales/id/common.json

@@ -45,8 +45,8 @@
     "newChat": "Obrolan baru"
   },
   "deleteConfirm": {
-    "title": "Hapus “{{title}}”?",
-    "description": "File sesi akan dihapus dari disk. Tindakan ini tidak dapat dibatalkan.",
+    "title": "Hapus obrolan ini?",
+    "description": "Tindakan ini tidak dapat dibatalkan.",
     "cancel": "Batal",
     "confirm": "Hapus"
   },

webui/src/i18n/locales/ja/common.json

@@ -45,8 +45,8 @@
     "newChat": "新しいチャット"
   },
   "deleteConfirm": {
-    "title": "「{{title}}」を削除しますか？",
-    "description": "セッションファイルはディスクから削除されます。この操作は元に戻せません。",
+    "title": "このチャットを削除しますか？",
+    "description": "この操作は元に戻せません。",
     "cancel": "キャンセル",
     "confirm": "削除"
   },

webui/src/i18n/locales/ko/common.json

@@ -45,8 +45,8 @@
     "newChat": "새 채팅"
   },
   "deleteConfirm": {
-    "title": "“{{title}}”을(를) 삭제할까요?",
-    "description": "세션 파일이 디스크에서 제거됩니다. 이 작업은 되돌릴 수 없습니다.",
+    "title": "이 채팅을 삭제할까요?",
+    "description": "이 작업은 되돌릴 수 없습니다.",
     "cancel": "취소",
     "confirm": "삭제"
   },

webui/src/i18n/locales/vi/common.json

@@ -45,8 +45,8 @@
     "newChat": "Cuộc trò chuyện mới"
   },
   "deleteConfirm": {
-    "title": "Xóa “{{title}}”?",
-    "description": "Tệp phiên sẽ bị xóa khỏi đĩa. Không thể hoàn tác thao tác này.",
+    "title": "Xóa cuộc trò chuyện này?",
+    "description": "Không thể hoàn tác thao tác này.",
     "cancel": "Hủy",
     "confirm": "Xóa"
   },

webui/src/i18n/locales/zh-CN/common.json

@@ -58,8 +58,8 @@
     }
   },
   "deleteConfirm": {
-    "title": "删除“{{title}}”？",
-    "description": "这个会话文件会从磁盘中删除，且无法撤销。",
+    "title": "删除这个对话？",
+    "description": "此操作无法撤销。",
     "cancel": "取消",
     "confirm": "删除"
   },

webui/src/i18n/locales/zh-TW/common.json

@@ -45,8 +45,8 @@
     "newChat": "新增對話"
   },
   "deleteConfirm": {
-    "title": "刪除「{{title}}」？",
-    "description": "這個會話檔案會從磁碟中移除，而且無法復原。",
+    "title": "刪除這個對話？",
+    "description": "此操作無法復原。",
     "cancel": "取消",
     "confirm": "刪除"
   },

webui/src/tests/app-layout.test.tsx

@@ -139,7 +139,7 @@ describe("App layout", () => {
     fireEvent.click(await screen.findByRole("menuitem", { name: "Delete" }));
 
     await waitFor(() =>
-      expect(screen.getByText('Delete “First chat”?')).toBeInTheDocument(),
+      expect(screen.getByText("Delete this chat?")).toBeInTheDocument(),
     );
     fireEvent.click(screen.getByRole("button", { name: "Delete" }));
 
@@ -151,7 +151,7 @@ describe("App layout", () => {
         within(sidebar).getByRole("button", { name: /^Second chat$/ }),
       ).toBeInTheDocument(),
     );
-    expect(screen.queryByText('Delete “First chat”?')).not.toBeInTheDocument();
+    expect(screen.queryByText("Delete this chat?")).not.toBeInTheDocument();
     expect(document.body.style.pointerEvents).not.toBe("none");
   }, 15_000);