Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-pager-pty-harness/tests/plan_approval_resume.rs

@@ -0,0 +1,17 @@
+//! Integration test: the shell re-parks `exit_plan_mode` on
+//! resume, so approval chrome reappears after quit/`--continue` and approving
+//! leaves plan mode + starts the implement turn.
+//!
+//! CI stages the pager binary via `PAGER_BINARY`. Also runs under plain cargo
+//! (which builds the pager on demand):
+//!
+//! ```bash
+//! cargo test -p xai-grok-pager-pty-harness --test plan_approval_resume -- --nocapture
+//! ```
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn plan_approval_restored_after_resume() {
+    xai_grok_pager_pty_harness::scenarios::plan_approval_resume::assert_plan_approval_restored_after_resume()
+        .await
+        .expect("shell must re-park exit_plan_mode on resume so approval chrome returns");
+}