generated-scene: add scheduled monitoring runtime and helper lifecycle hardening

tests/fixtures/generated_scene/report_collection/js/report.js

@@ -0,0 +1,12 @@
+async function collectReportRows(args) {
+  return [{
+    org_label: args.org_label,
+    org_code: args.org_code,
+    period_value: args.period_value,
+    line_loss_rate: ''
+  }];
+}
+
+if (typeof module !== 'undefined') {
+  module.exports = { collectReportRows };
+}