Steps
- Drag and drop files onto the notch.
- Right-click a file and choose Add to Alter.
- Type
@in the prompt to add context manually.

Bridge context between Hub panes
When Split Panel is open in the Hub, you can copy context from one pane to the other:- Drag context cards from the conversation—or items from the prompt context strip—to the other pane
- Right-click a conversation tab → Add as Context to Other Pane
- Type
@and choose the conversation listed under Other Pane - Right-click context cards, images, or documents in a message → Add to Other Pane