fix the learning

apps/web/src/hooks/useMentorChat.ts

@@ -19,6 +19,10 @@ type ChatSessionData = {
   messages: MentorChatMessage[];
 };
 
+type SendChatResponse = {
+  memorySuggestions?: unknown[];
+};
+
 export function useMentorChat(sessionId: string | null) {
   const queryClient = useQueryClient();
   const bottomRef = useRef<HTMLDivElement>(null);
@@ -54,7 +58,7 @@ export function useMentorChat(sessionId: string | null) {
         const body = await res.json().catch(() => ({}));
         throw new Error(body.error ?? "Send failed");
       }
-      return res.json();
+      return res.json() as Promise<SendChatResponse>;
     },
     onMutate: (content) => {
       setInput("");
@@ -64,6 +68,8 @@ export function useMentorChat(sessionId: string | null) {
       setPendingState(null);
       queryClient.invalidateQueries({ queryKey: ["chat-session", sessionId] });
       queryClient.invalidateQueries({ queryKey: ["chat-sessions"] });
+      queryClient.invalidateQueries({ queryKey: ["ai-memory-suggestions"] });
+      queryClient.invalidateQueries({ queryKey: ["ai-knows"] });
     },
     onError: (_err, content) => {
       setPendingState(createPendingStateOnError(content));