Implement PTY-native session terminal control

crates/lazaret-host-coordinator/src/bootstrap.rs

@@ -553,6 +553,10 @@ impl<'a> CoordinatorLifecycleAdapter<'a> {
             .ok_or_else(|| LifecycleServiceError("committed runtime is absent".into()))?
             .stop_sandbox(&sandbox)
             .map_err(failure)?;
+        self.plan
+            .interactive_executor
+            .clean_after_sandbox_absence()
+            .map_err(failure)?;
         if self.plan.git_routing.is_some() {
             let git_routing = GitRoutingCoordinator::new(&store);
             self.runtime