fix: add .js extension to dayjs plugin imports for ESM compatibility

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ctlaltlaltc

packages/global/common/string/time.ts

@@ -1,7 +1,7 @@
 import dayjs from 'dayjs';
 import cronParser from 'cron-parser';
-import utc from 'dayjs/plugin/utc';
-import timezone from 'dayjs/plugin/timezone';
+import utc from 'dayjs/plugin/utc.js';
+import timezone from 'dayjs/plugin/timezone.js';
 import { i18nT } from '../i18n/utils';
 
 dayjs.extend(utc);

packages/global/common/time/timezone.ts

@@ -1,7 +1,7 @@
 import timezones from 'timezones-list';
 import dayjs from 'dayjs';
-import utc from 'dayjs/plugin/utc';
-import timezone from 'dayjs/plugin/timezone';
+import utc from 'dayjs/plugin/utc.js';
+import timezone from 'dayjs/plugin/timezone.js';
 
 // timezones-list is CJS; under ESM interop the default import may receive
 // {default: [...]} instead of the array. Normalize at import time.