diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..75f3075
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+backups/
diff --git a/README.md b/README.md
index 15605ca..3992fec 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,15 @@ Deployment order:
 
 1. Prepare `ircs-prod` namespace and secrets.
 2. Apply `apps/ircs-prod-core-application.yaml` to ArgoCD and sync it.
-3. Run V3 migrator and compatible data migration from `ircs-system`.
+3. Let the V3 migrator initialize a clean database. Do not migrate legacy `ircs-system` data by default.
 4. Verify portals and BFF through cluster endpoints.
-5. Sync or apply `ircs-prod/edge-cutover` and remove old `ircs-system` routes.
+5. Sync `apps/ircs-prod-edge-application.yaml` or apply `ircs-prod/edge-cutover`, then remove old `ircs-system` business routes.
 
 Edge cutover is isolated from core to avoid hostname conflict while the old `ircs-system` routes still own production domains.
+
+Current cutover state:
+
+- `ircs-prod-core`: Synced/Healthy.
+- `ircs-prod-edge`: Synced/Healthy.
+- `ircs-system/huawai-route` and `ircs-system/ircs-route`: removed.
+- `ircs-system/kibana-route`: retained.