refactor: dedupe messaging lowercase helpers

extensions/nextcloud-talk/src/accounts.ts

@@ -1,6 +1,9 @@
 import { resolveMergedAccountConfig } from "openclaw/plugin-sdk/account-resolution";
 import { tryReadSecretFileSync } from "openclaw/plugin-sdk/channel-core";
-import { normalizeOptionalString } from "openclaw/plugin-sdk/text-runtime";
+import {
+  normalizeLowercaseStringOrEmpty,
+  normalizeOptionalString,
+} from "openclaw/plugin-sdk/text-runtime";
 import {
   createAccountListHelpers,
   DEFAULT_ACCOUNT_ID,
@@ -11,7 +14,7 @@ import { normalizeResolvedSecretInputString } from "./secret-input.js";
 import type { CoreConfig, NextcloudTalkAccountConfig } from "./types.js";
 
 function isTruthyEnvValue(value?: string): boolean {
-  const normalized = normalizeOptionalString(value)?.toLowerCase() ?? "";
+  const normalized = normalizeLowercaseStringOrEmpty(value);
   return normalized === "true" || normalized === "1" || normalized === "yes" || normalized === "on";
 }
 

extensions/nextcloud-talk/src/channel.ts

@@ -16,6 +16,7 @@ import {
   createComputedAccountStatusAdapter,
   createDefaultChannelRuntimeState,
 } from "openclaw/plugin-sdk/status-helpers";
+import { normalizeLowercaseStringOrEmpty } from "openclaw/plugin-sdk/text-runtime";
 import {
   listNextcloudTalkAccountIds,
   resolveDefaultNextcloudTalkAccountId,
@@ -197,7 +198,7 @@ export const nextcloudTalkPlugin: ChannelPlugin<ResolvedNextcloudTalkAccount> =
         message: "OpenClaw: your access has been approved.",
         normalizeAllowEntry: createPairingPrefixStripper(
           /^(nextcloud-talk|nc-talk|nc):/i,
-          (entry) => entry.toLowerCase(),
+          (entry) => normalizeLowercaseStringOrEmpty(entry),
         ),
         notify: createLoggedPairingApprovalNotifier(
           ({ id }) => `[nextcloud-talk] User ${id} approved for pairing`,