Preserve prompt sessions and retire completed roadmaps

internal/cli/example_contract_test.go

@@ -245,6 +245,12 @@ func TestMaintainedMalformedInputOnlyRecordsDebugFailureWhenRequested(t *testing
 			if report.Succeeded || report.PipelineID != "dnd-session" {
 				t.Fatalf("failure report = %#v, want failed dnd-session report", report)
 			}
+			invocation := readProductionJSON[debugbundle.Invocation](t, filepath.Join(bundle, "summary", "invocation.json"))
+			manifest := readProductionJSON[artifacts.RunManifest](t, filepath.Join(bundle, "summary", "run-manifest.json"))
+			manifestSession, found := manifest.Metadata["session_id"]
+			if invocation.SessionID == "" || !found || manifestSession != invocation.SessionID {
+				t.Fatalf("failed run sessions: invocation=%q manifest=%#v metadata=%#v", invocation.SessionID, manifestSession, manifest.Metadata)
+			}
 		})
 	}
 }