fix(release): preserve emoji in ClawHub error details (#108172)

* fix(release): keep ClawHub errors valid Unicode

* fix(release): keep ClawHub helper source-resolvable

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

scripts/lib/plugin-clawhub-release.ts

@@ -1,6 +1,7 @@
 // Plugin Clawhub Release script supports OpenClaw repository automation.
 import { execFileSync } from "node:child_process";
 import { resolve } from "node:path";
+import { truncateUtf16Safe } from "../../packages/normalization-core/src/utf16-slice.js";
 import { validateExternalCodePluginPackageJson } from "../../packages/plugin-package-contract/src/index.ts";
 import { retryClawHubRead } from "../../src/infra/clawhub-retry.js";
 import { readBoundedResponseText } from "./bounded-response.ts";
@@ -229,7 +230,7 @@ async function buildClawHubQueryError(
     body = "";
   }
   if (body.length > CLAWHUB_ERROR_BODY_MAX_CHARS) {
-    body = `${body.slice(0, CLAWHUB_ERROR_BODY_MAX_CHARS)}...`;
+    body = `${truncateUtf16Safe(body, CLAWHUB_ERROR_BODY_MAX_CHARS)}...`;
   }
   const diagnosticHeaders = ["retry-after", "x-request-id", "x-vercel-id", "cf-ray"]
     .map((name) => {

test/plugin-clawhub-release.test.ts

@@ -794,6 +794,35 @@ describe("collectPluginClawHubReleasePlan", () => {
     expect(packageRequests).toBe(4);
   });
 
+  it.each([
+    {
+      caseName: "drops a split surrogate pair",
+      responseBody: `${"x".repeat(399)}\u{1f600}tail`,
+      expectedDetail: `${"x".repeat(399)}...`,
+    },
+    {
+      caseName: "preserves a complete surrogate pair",
+      responseBody: `${"x".repeat(398)}\u{1f600}tail`,
+      expectedDetail: `${"x".repeat(398)}\u{1f600}...`,
+    },
+  ])(
+    "keeps ClawHub error truncation UTF-16 safe: $caseName",
+    async ({ responseBody, expectedDetail }) => {
+      const repoDir = createTempPluginRepo();
+      await expect(
+        collectPluginClawHubReleasePlan({
+          rootDir: repoDir,
+          selection: ["@openclaw/demo-plugin"],
+          registryBaseUrl: "https://clawhub.ai",
+          fetchImpl: async () => new Response(responseBody, { status: 503 }),
+          sleep: async () => {},
+        }),
+      ).rejects.toThrow(
+        `Failed to query ClawHub package @openclaw/demo-plugin: 503 ${expectedDetail}`,
+      );
+    },
+  );
+
   it("honors an HTTP-date Retry-After header", async () => {
     const repoDir = createTempPluginRepo();
     const retryAfter = "Wed, 21 Oct 2030 07:28:00 GMT";