diff --git a/scripts/bench-gateway-startup.ts b/scripts/bench-gateway-startup.ts
index bbe9cd96eda..012d6c28096 100644
--- a/scripts/bench-gateway-startup.ts
+++ b/scripts/bench-gateway-startup.ts
@@ -133,6 +133,16 @@ const GATEWAY_CASES: readonly GatewayBenchCase[] = [
     pluginCount: 50,
     config: BASE_CONFIG,
   },
+  {
+    id: "fiftyPluginsFutureStrict",
+    name: "gateway, 50 manifest plugins with legacy startup fallback disabled",
+    env: {
+      OPENCLAW_DISABLE_LEGACY_IMPLICIT_STARTUP_SIDECARS: "1",
+      OPENCLAW_SKIP_CHANNELS: "1",
+    },
+    pluginCount: 50,
+    config: BASE_CONFIG,
+  },
   {
     id: "fiftyStartupLazyPlugins",
     name: "gateway, 50 startup-lazy manifest plugins",