fix: preserve follower timing at state write

scripts/native/cicd/read-follower-state.mjs

@@ -0,0 +1,16 @@
+import { execFileSync } from "node:child_process";
+
+const namespace = process.env.NAMESPACE || "";
+const configMap = process.env.CONFIGMAP || "";
+const followerId = process.env.FOLLOWER_ID || "";
+
+try {
+  const raw = execFileSync("kubectl", ["-n", namespace, "get", "configmap", configMap, "-o", "json"], {
+    encoding: "utf8",
+    stdio: ["ignore", "pipe", "pipe"],
+  });
+  const data = JSON.parse(raw).data || {};
+  process.stdout.write(data[followerId] || "{}");
+} catch {
+  process.stdout.write("{}");
+}