fix(regression): restore whatsapp cold-runtime chunking

extensions/whatsapp/src/channel.test.ts

@@ -119,6 +119,15 @@ async function runSeparatePhoneFlow(params: { selectValues: string[]; textValues
 }
 
 describe("whatsappPlugin outbound sendMedia", () => {
+  it("chunks outbound text without requiring WhatsApp runtime initialization", () => {
+    const chunker = whatsappPlugin.outbound?.chunker;
+    if (!chunker) {
+      throw new Error("whatsapp outbound chunker is unavailable");
+    }
+
+    expect(chunker("alpha beta", 5)).toEqual(["alpha", "beta"]);
+  });
+
   it("forwards mediaLocalRoots to sendMessageWhatsApp", async () => {
     const sendWhatsApp = vi.fn(async () => ({
       messageId: "msg-1",

extensions/whatsapp/src/channel.ts

@@ -1,5 +1,6 @@
 import { buildDmGroupAccountAllowlistAdapter } from "openclaw/plugin-sdk/allowlist-config-edit";
 import { createChatChannelPlugin } from "openclaw/plugin-sdk/core";
+import { chunkText } from "openclaw/plugin-sdk/reply-runtime";
 import {
   createAsyncComputedAccountStatusAdapter,
   createDefaultChannelRuntimeState,
@@ -65,7 +66,7 @@ export const whatsappPlugin: ChannelPlugin<ResolvedWhatsAppAccount> =
     },
     outbound: {
       ...createWhatsAppOutboundBase({
-        chunker: (text, limit) => getWhatsAppRuntime().channel.text.chunkText(text, limit),
+        chunker: chunkText,
         sendMessageWhatsApp: async (...args) =>
           await getWhatsAppRuntime().channel.whatsapp.sendMessageWhatsApp(...args),
         sendPollWhatsApp: async (...args) =>