fix(ai): reset paged flag to display user message

When the user scrolls up to view history, the paged flag is set to 1.
This suppresses new messages in _win_printf(). Reset paged and
unread_msg flags before printing to ensure visibility.

src/event/client_events.c

@@ -301,6 +301,12 @@ cl_ev_send_ai_msg(ProfAiWin* aiwin, const char* const message, const char* const
         return;
     }
 
+    /* Reset paged flag before printing user message.
+     * If the user scrolled up to view history, paged=1 would suppress
+     * the message in _win_printf(). Reset it here so the message displays. */
+    aiwin->window.layout->paged = 0;
+    aiwin->window.layout->unread_msg = 0;
+
     // Display user message in AI window.
     win_print_outgoing(&aiwin->window, ">>", id, NULL, message);