feat(desktop): Terminal Splits (#8767)

packages/opencode/src/pty/index.ts

@@ -146,6 +146,10 @@ export namespace Pty {
     ptyProcess.onExit(({ exitCode }) => {
       log.info("session exited", { id, exitCode })
       session.info.status = "exited"
+      for (const ws of session.subscribers) {
+        ws.close()
+      }
+      session.subscribers.clear()
       Bus.publish(Event.Exited, { id, exitCode })
       state().delete(id)
     })