修复访问他人会话时提示无权访问并卡死的问题

- 在 useChatData 中捕获加载历史消息（ChatAPI.history）时的权限和不存在错误
- 发生 500000 无权访问等错误时，触发 roomInvalidTick 状态更新
- ChatPageLogic 监听到失效状态后，自动调用 SessionAPI.create 创建新的会话房间并重定向，同时给予提示

src/pages/chat/ChatPageLogic.ts

@@ -105,7 +105,7 @@ export function useChatPageLogic() {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [id, roomId]);
 
-  const { agent, agentList, messages, setMessages, branches, setBranches, loadMessages } = useChatData({
+  const { agent, agentList, messages, setMessages, branches, setBranches, loadMessages, roomInvalidTick } = useChatData({
     agentId: id,
     roomId,
     highlightId,
@@ -116,6 +116,21 @@ export function useChatPageLogic() {
     abort: () => abortRef.current?.abort(),
   });
 
+  // 监听会话失效状态，自动创建新会话
+  useEffect(() => {
+    if (roomInvalidTick > 0 && id) {
+      SessionAPI.create(id).then((created) => {
+        setRoomId(created.id);
+        setHighlightId(null);
+        setMessages(() => []);
+        setBranches({});
+        message.info('当前会话不可访问，已为您创建新会话');
+      }).catch((e) => {
+        message.error('创建房间失败：' + (e?.message ?? e));
+      });
+    }
+  }, [roomInvalidTick, id]);
+
   const sender = useChatSender({
     agentId: id,
     agent,

src/pages/chat/hooks/useChatData.ts

@@ -20,6 +20,7 @@ export function useChatData(args: {
   const [agentList, setAgentList] = useState<Agent[]>([]);
   const [messages, setMessages] = useState<ChatMessage[]>([]);
   const [branches, setBranches] = useState<Record<string, BranchInfo>>({});
+  const [roomInvalidTick, setRoomInvalidTick] = useState(0);
   const loadSeqRef = useRef(0);
   const initialHighlightDoneRef = useRef(false);
   
@@ -60,11 +61,22 @@ export function useChatData(args: {
     if (!roomId) return;
     const seq = ++loadSeqRef.current;
     const rid = roomId;
-    const his = await ChatAPI.history(rid);
+    try {
-    if (seq !== loadSeqRef.current) return;
+      const his = await ChatAPI.history(rid);
-    if (rid !== roomId) return;
+      if (seq !== loadSeqRef.current) return;
-    setMessages(Array.isArray(his.messages) ? his.messages : []);
+      if (rid !== roomId) return;
-    setBranches(his.branches || {});
+      setMessages(Array.isArray(his.messages) ? his.messages : []);
+      setBranches(his.branches || {});
+    } catch (e: any) {
+      // 会话不存在或无权访问时，通知上层重新创建会话
+      if (seq === loadSeqRef.current && rid === roomId) {
+        const code = e?.response?.data?.code;
+        const msg = e?.response?.data?.error ?? e?.message ?? '';
+        if (code === '500000' || /无权访问|不存在/.test(msg)) {
+          setRoomInvalidTick((t) => t + 1);
+        }
+      }
+    }
     
     // 历史消息加载完成后的处理
     // 注意：这里不再手动触发滚动，全部交给 ChatBody 的 useLayoutEffect 和 useEffect 处理
@@ -132,6 +144,7 @@ export function useChatData(args: {
     setMessages,
     branches,
     setBranches,
-    loadMessages
+    loadMessages,
+    roomInvalidTick
   };
 }