chore: update opencode api to v2

src/tui.tsx

@@ -67,7 +67,7 @@ export default Plugin.define({
 
         const remove = context.ui.slot({
             append: "sidebar.footer",
-            render: ({ sessionID }) => <Slot sessionID={sessionID} />,
+            render: (input) => <Slot sessionID={input.sessionID} />,
         });
         return () => {
             remove();