diff --git a/scripts/e2e/lib/bundled-channel/write-config.mjs b/scripts/e2e/lib/bundled-channel/write-config.mjs
index eb8b6abdd87..7a8c1181b83 100644
--- a/scripts/e2e/lib/bundled-channel/write-config.mjs
+++ b/scripts/e2e/lib/bundled-channel/write-config.mjs
@@ -79,7 +79,7 @@ config.models = {
 };
 config.plugins = {
   ...config.plugins,
-  enabled: true,
+  enabled: mode !== "baseline",
 };
 config.channels = {
   ...config.channels,
diff --git a/test/scripts/bundled-channel-write-config.test.ts b/test/scripts/bundled-channel-write-config.test.ts
new file mode 100644
index 00000000000..93eb4e8b299
--- /dev/null
+++ b/test/scripts/bundled-channel-write-config.test.ts
@@ -0,0 +1,54 @@
+import { execFileSync } from "node:child_process";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { afterEach, describe, expect, it } from "vitest";
+
+const tempDirs: string[] = [];
+const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
+
+afterEach(() => {
+  for (const dir of tempDirs.splice(0)) {
+    fs.rmSync(dir, { force: true, recursive: true });
+  }
+});
+
+function runWriteConfig(mode: string) {
+  const home = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-bundled-channel-config-"));
+  tempDirs.push(home);
+  execFileSync(
+    process.execPath,
+    ["scripts/e2e/lib/bundled-channel/write-config.mjs", mode, "test-token", "18789"],
+    {
+      cwd: repoRoot,
+      env: {
+        ...process.env,
+        HOME: home,
+        OPENAI_API_KEY: "sk-test",
+      },
+    },
+  );
+  return JSON.parse(fs.readFileSync(path.join(home, ".openclaw", "openclaw.json"), "utf8")) as {
+    plugins?: { enabled?: boolean };
+    channels?: Record<string, { enabled?: boolean }>;
+  };
+}
+
+describe("bundled channel write-config helper", () => {
+  it("keeps the baseline gateway plugin-light", () => {
+    const config = runWriteConfig("baseline");
+
+    expect(config.plugins?.enabled).toBe(false);
+    expect(config.channels?.slack?.enabled).toBe(false);
+    expect(config.channels?.telegram?.enabled).toBe(false);
+  });
+
+  it("enables plugins for the channel-under-test gateway", () => {
+    const config = runWriteConfig("slack");
+
+    expect(config.plugins?.enabled).toBe(true);
+    expect(config.channels?.slack?.enabled).toBe(true);
+    expect(config.channels?.telegram?.enabled).toBe(false);
+  });
+});