refactor: share account-scoped config adapter accessors

extensions/discord/src/channel.ts

@@ -1,9 +1,8 @@
 import {
   buildAccountScopedDmSecurityPolicy,
   collectOpenGroupPolicyConfiguredRouteWarnings,
+  createScopedAccountConfigAccessors,
   formatAllowFromLowercase,
-  mapAllowFromEntries,
-  resolveOptionalConfigString,
 } from "openclaw/plugin-sdk";
 import {
   applyAccountNameToChannelSection,
@@ -58,6 +57,13 @@ const discordMessageActions: ChannelMessageActionAdapter = {
   },
 };
 
+const discordConfigAccessors = createScopedAccountConfigAccessors({
+  resolveAccount: ({ cfg, accountId }) => resolveDiscordAccount({ cfg, accountId }),
+  resolveAllowFrom: (account: ResolvedDiscordAccount) => account.config.dm?.allowFrom,
+  formatAllowFrom: (allowFrom) => formatAllowFromLowercase({ allowFrom }),
+  resolveDefaultTo: (account: ResolvedDiscordAccount) => account.config.defaultTo,
+});
+
 export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
   id: "discord",
   meta: {
@@ -115,11 +121,7 @@ export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
       configured: Boolean(account.token?.trim()),
       tokenSource: account.tokenSource,
     }),
-    resolveAllowFrom: ({ cfg, accountId }) =>
-      mapAllowFromEntries(resolveDiscordAccount({ cfg, accountId }).config.dm?.allowFrom),
-    formatAllowFrom: ({ allowFrom }) => formatAllowFromLowercase({ allowFrom }),
-    resolveDefaultTo: ({ cfg, accountId }) =>
-      resolveOptionalConfigString(resolveDiscordAccount({ cfg, accountId }).config.defaultTo),
+    ...discordConfigAccessors,
   },
   security: {
     resolveDmPolicy: ({ cfg, accountId, account }) => {