When I split a tab/pane, the existing terminal session loses its visible state and scrollback. Before splitting, the terminal contains active Claude output, command history, and scroll position. After adding a split tab, the terminal area appears blank/empty, so the previous context is gone from view.
Steps to reproduce:
- Open a terminal/session in Athas.
- Run a command that produces output, for example a Claude session or long terminal output.
- Scroll within the terminal or leave visible output on screen.
- Add a split tab/pane.
- Observe the original terminal pane.
Expected behavior:
The terminal should preserve:
- Active session state
- Visible output
- Scrollback buffer
- Current scroll position, or at least remain near the same terminal context
Actual behavior:
After creating the split tab, the previous terminal state/scrollback disappears from view and the terminal pane becomes blank.
Attachments:
- Before split: terminal has active output and scrollback
- After split: terminal state appears cleared/blank
Before Split
After Split

When I split a tab/pane, the existing terminal session loses its visible state and scrollback. Before splitting, the terminal contains active Claude output, command history, and scroll position. After adding a split tab, the terminal area appears blank/empty, so the previous context is gone from view.
Steps to reproduce:
Expected behavior:
The terminal should preserve:
Actual behavior:
After creating the split tab, the previous terminal state/scrollback disappears from view and the terminal pane becomes blank.
Attachments:
Before Split
After Split