refactor: share account-scoped config adapter accessors

extensions/mattermost/src/channel.ts

@@ -1,8 +1,8 @@
 import {
   buildAccountScopedDmSecurityPolicy,
   collectOpenGroupPolicyRestrictSendersWarnings,
+  createScopedAccountConfigAccessors,
   formatNormalizedAllowFromEntries,
-  mapAllowFromEntries,
 } from "openclaw/plugin-sdk";
 import {
   applyAccountNameToChannelSection,
@@ -223,6 +223,16 @@ function formatAllowEntry(entry: string): string {
   return trimmed.replace(/^(mattermost|user):/i, "").toLowerCase();
 }
 
+const mattermostConfigAccessors = createScopedAccountConfigAccessors({
+  resolveAccount: ({ cfg, accountId }) => resolveMattermostAccount({ cfg, accountId }),
+  resolveAllowFrom: (account: ResolvedMattermostAccount) => account.config.allowFrom,
+  formatAllowFrom: (allowFrom) =>
+    formatNormalizedAllowFromEntries({
+      allowFrom,
+      normalizeEntry: formatAllowEntry,
+    }),
+});
+
 export const mattermostPlugin: ChannelPlugin<ResolvedMattermostAccount> = {
   id: "mattermost",
   meta: {
@@ -276,13 +286,7 @@ export const mattermostPlugin: ChannelPlugin<ResolvedMattermostAccount> = {
       botTokenSource: account.botTokenSource,
       baseUrl: account.baseUrl,
     }),
-    resolveAllowFrom: ({ cfg, accountId }) =>
-      mapAllowFromEntries(resolveMattermostAccount({ cfg, accountId }).config.allowFrom),
-    formatAllowFrom: ({ allowFrom }) =>
-      formatNormalizedAllowFromEntries({
-        allowFrom,
-        normalizeEntry: formatAllowEntry,
-      }),
+    ...mattermostConfigAccessors,
   },
   security: {
     resolveDmPolicy: ({ cfg, accountId, account }) => {