fix(diffs): stage bundled runtime deps

extensions/diffs/package.json

@@ -13,6 +13,9 @@
     "playwright-core": "1.58.2"
   },
   "openclaw": {
+    "bundle": {
+      "stageRuntimeDependencies": true
+    },
     "extensions": [
       "./index.ts"
     ]

extensions/diffs/src/manifest.test.ts

@@ -0,0 +1,22 @@
+import fs from "node:fs";
+import { describe, expect, it } from "vitest";
+
+type DiffsPackageManifest = {
+  dependencies?: Record<string, string>;
+  openclaw?: {
+    bundle?: {
+      stageRuntimeDependencies?: boolean;
+    };
+  };
+};
+
+describe("diffs package manifest", () => {
+  it("opts into staging bundled runtime dependencies", () => {
+    const packageJson = JSON.parse(
+      fs.readFileSync(new URL("../package.json", import.meta.url), "utf8"),
+    ) as DiffsPackageManifest;
+
+    expect(packageJson.dependencies?.["@pierre/diffs"]).toBeDefined();
+    expect(packageJson.openclaw?.bundle?.stageRuntimeDependencies).toBe(true);
+  });
+});