修复 AI 历史会话删除在 App 内无响应的问题

WebView 不支持 window.confirm，改用 AlertDialog 显示删除确认框。

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

client/src/pages/AIPage.tsx

@@ -8,6 +8,16 @@
    ============================================================ */
 import BottomNav from "@/components/BottomNav";
 import ConnectionPlaceholder from "@/components/ConnectionPlaceholder";
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog";
 import { useDevice } from "@/contexts/DeviceContext";
 import {
   AI_SPLIT_RESTORE_PATH_KEY,
@@ -211,6 +221,7 @@ export default function AIPage({ variant = "page", onClose }: AIPageProps = {})
   const deviceName = deviceState?.device ?? "Luxsin X9";
 
   const aiText = useMemo(() => resolveAILocale(language), [language]);
+  const promptText = useMemo(() => resolveLocalePack(language).prompt, [language]);
 
   const restoreDesktopSplit = useCallback(() => {
     const path = readAndClearAiSplitRestorePath();
@@ -223,6 +234,7 @@ export default function AIPage({ variant = "page", onClose }: AIPageProps = {})
   const [input, setInput] = useState("");
   const [sending, setSending] = useState(false);
   const [historyOpen, setHistoryOpen] = useState(false);
+  const [pendingDeleteId, setPendingDeleteId] = useState<string | null>(null);
   const [chats, setChats] = useState<ChatRead[]>([]);
   // 初次加载历史会话期间，避免先闪一下欢迎页再切到消息
   const [initializing, setInitializing] = useState(true);
@@ -382,27 +394,22 @@ export default function AIPage({ variant = "page", onClose }: AIPageProps = {})
     }
   }, [aiText, chatId, newChat]);
 
-  // ── 历史面板里删除某条会话 ──
-  const deleteChatById = useCallback(
-    async (id: string) => {
-      const ok = window.confirm(aiText.history.deleteConfirm);
-      if (!ok) return;
-      try {
-        await clearChat(id);
-        setChats((prev) => prev.filter((c) => c.id !== id));
-        if (chatId === id) {
-          setChatId(null);
-          setMessages([]);
-        }
-        toast.success(aiText.history.deleted);
-      } catch (e: any) {
-        toast.error(
-          formatText(aiText.history.deleteFailed, { message: e?.message ?? e }),
-        );
+  // ── 历史面板里删除某条会话（确认框用 AlertDialog，WebView 不支持 window.confirm） ──
+  const confirmDeleteChat = useCallback(async (id: string) => {
+    try {
+      await clearChat(id);
+      setChats((prev) => prev.filter((c) => c.id !== id));
+      if (chatId === id) {
+        setChatId(null);
+        setMessages([]);
       }
-    },
-    [aiText, chatId],
-  );
+      toast.success(aiText.history.deleted);
+    } catch (e: any) {
+      toast.error(
+        formatText(aiText.history.deleteFailed, { message: e?.message ?? e }),
+      );
+    }
+  }, [aiText, chatId]);
 
   // ── 发送提问 ──
   const send = useCallback(
@@ -897,10 +904,41 @@ export default function AIPage({ variant = "page", onClose }: AIPageProps = {})
           onClose={() => setHistoryOpen(false)}
           onSelect={(id) => loadChat(id)}
           onNew={newChat}
-          onDelete={deleteChatById}
+          onDelete={setPendingDeleteId}
         />
       )}
 
+      <AlertDialog
+        open={pendingDeleteId !== null}
+        onOpenChange={(open) => {
+          if (!open) setPendingDeleteId(null);
+        }}
+      >
+        <AlertDialogContent className="top-[42%] z-[70] border-white/10 bg-zinc-900 text-white sm:max-w-md">
+          <AlertDialogHeader>
+            <AlertDialogTitle className="text-white">
+              {aiText.history.delete}
+            </AlertDialogTitle>
+            <AlertDialogDescription className="text-white/60">
+              {aiText.history.deleteConfirm}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel className="border-white/20 bg-transparent text-white hover:bg-white/10">
+              {promptText.cancel}
+            </AlertDialogCancel>
+            <AlertDialogAction
+              className="bg-red-500 text-white hover:bg-red-500/90 focus-visible:ring-red-500"
+              onClick={() => {
+                if (pendingDeleteId) void confirmDeleteChat(pendingDeleteId);
+              }}
+            >
+              {promptText.delete}
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+
       {/* ── 对比对话框 ── */}
       {compareMsg && (
         <CompareDialog
@@ -1147,11 +1185,12 @@ function HistoryPanel({
                     </span>
                   )}
                   <button
+                    type="button"
                     onClick={(e) => {
                       e.stopPropagation();
                       onDelete(c.id);
                     }}
-                    className="ml-2 w-8 h-8 rounded-full flex items-center justify-center text-white/40 hover:text-red-400 active:text-red-500 transition-colors"
+                    className="ml-2 w-8 h-8 shrink-0 rounded-full flex items-center justify-center text-white/40 hover:text-red-400 active:text-red-500 transition-colors touch-manipulation"
                     style={{ background: "rgba(44,44,46,0.6)" }}
                     aria-label={aiText.history.delete}
                   >