fix(whatsapp): avoid setup api self-import cycle

Author: steipete

extensions/whatsapp/src/channel.setup.ts

@@ -1,11 +1,11 @@
 import type { ChannelPlugin } from "openclaw/plugin-sdk/core";
+import { type ResolvedWhatsAppAccount } from "./accounts.js";
+import { webAuthExists } from "./auth-store.js";
+import { resolveWhatsAppGroupIntroHint } from "./group-intro.js";
 import {
-  resolveWhatsAppGroupIntroHint,
   resolveWhatsAppGroupRequireMention,
   resolveWhatsAppGroupToolPolicy,
-} from "../api.js";
-import { type ResolvedWhatsAppAccount } from "./accounts.js";
-import { webAuthExists } from "./auth-store.js";
+} from "./group-policy.js";
 import { whatsappSetupAdapter } from "./setup-core.js";
 import { createWhatsAppPluginBase, whatsappSetupWizardProxy } from "./shared.js";