refactor(imessage): reuse shared setup security

extensions/imessage/src/channel.setup.ts

@@ -1,9 +1,5 @@
-import {
-  buildAccountScopedDmSecurityPolicy,
-  collectAllowlistProviderRestrictSendersWarnings,
-} from "openclaw/plugin-sdk/channel-config-helpers";
-import { DEFAULT_ACCOUNT_ID, type ChannelPlugin } from "openclaw/plugin-sdk/imessage";
-import { resolveIMessageAccount, type ResolvedIMessageAccount } from "./accounts.js";
+import { type ChannelPlugin } from "openclaw/plugin-sdk/imessage";
+import { type ResolvedIMessageAccount } from "./accounts.js";
 import { imessageSetupAdapter } from "./setup-core.js";
 import { createIMessagePluginBase, imessageSetupWizard } from "./shared.js";
 
@@ -12,27 +8,4 @@ export const imessageSetupPlugin: ChannelPlugin<ResolvedIMessageAccount> = {
     setupWizard: imessageSetupWizard,
     setup: imessageSetupAdapter,
   }),
-  security: {
-    resolveDmPolicy: ({ cfg, accountId, account }) =>
-      buildAccountScopedDmSecurityPolicy({
-        cfg,
-        channelKey: "imessage",
-        accountId,
-        fallbackAccountId: account.accountId ?? DEFAULT_ACCOUNT_ID,
-        policy: account.config.dmPolicy,
-        allowFrom: account.config.allowFrom ?? [],
-        policyPathSuffix: "dmPolicy",
-      }),
-    collectWarnings: ({ account, cfg }) =>
-      collectAllowlistProviderRestrictSendersWarnings({
-        cfg,
-        providerConfigPresent: cfg.channels?.imessage !== undefined,
-        configuredGroupPolicy: account.config.groupPolicy,
-        surface: "iMessage groups",
-        openScope: "any member",
-        groupPolicyPath: "channels.imessage.groupPolicy",
-        groupAllowFromPath: "channels.imessage.groupAllowFrom",
-        mentionGated: false,
-      }),
-  },
 };