WIP: switch to announcement, remove extract input mess

tests/execution/integration.rs

@@ -1,6 +1,6 @@
 //! Integration tests for end-to-end functionality
 
-use dagx::{DagResult, DagRunner, Task};
+use dagx::{DagResult, DagRunner};
 use crate::common::task_fn;
 use std::time::Instant;
 use tokio::time::{sleep, Duration};