test: complete bundled channel drift fixture

src/config/plugin-auto-enable.prefer-over.test.ts

@@ -41,6 +41,20 @@ function writeBundledChannelPackage(rootDir: string, channelId: string): void {
     }),
     "utf-8",
   );
+  fs.writeFileSync(
+    path.join(pluginDir, "openclaw.plugin.json"),
+    JSON.stringify({
+      id: channelId,
+      configSchema: { type: "object" },
+      channels: [channelId],
+    }),
+    "utf-8",
+  );
+  fs.writeFileSync(
+    path.join(pluginDir, "index.js"),
+    "export default { register() {} };\n",
+    "utf-8",
+  );
 }
 
 const EMPTY_MANIFEST_REGISTRY: PluginManifestRegistry = {