fix site announcement timezone

src/server/routes/api/settings.events.test.ts

@@ -122,8 +122,10 @@ describe('settings and auth events', () => {
     });
 
     expect(response.statusCode).toBe(200);
-    const body = response.json() as { currentAdminIp?: string };
+    const body = response.json() as { currentAdminIp?: string; serverTimeZone?: string };
     expect(body.currentAdminIp).toBe('203.0.113.5');
+    expect(typeof body.serverTimeZone).toBe('string');
+    expect((body.serverTimeZone || '').length).toBeGreaterThan(0);
   });
 
   it('rejects proxy token that does not start with sk-', async () => {

src/server/routes/api/settings.ts

@@ -15,7 +15,7 @@ import {
   testDatabaseConnection,
   type MigrationDialect,
 } from '../../services/databaseMigrationService.js';
-import { formatUtcSqlDateTime } from '../../services/localTimeService.js';
+import { formatUtcSqlDateTime, getResolvedTimeZone } from '../../services/localTimeService.js';
 import { extractClientIp, isIpAllowed } from '../../middleware/auth.js';
 import { invalidateSiteProxyCache, normalizeSiteProxyUrl } from '../../services/siteProxy.js';
 import { performFactoryReset } from '../../services/factoryResetService.js';
@@ -442,6 +442,7 @@ function getRuntimeSettingsResponse(currentAdminIp = '') {
     notifyCooldownSec: config.notifyCooldownSec,
     adminIpAllowlist: config.adminIpAllowlist,
     currentAdminIp,
+    serverTimeZone: getResolvedTimeZone(),
     systemProxyUrl: config.systemProxyUrl,
     proxyErrorKeywords: config.proxyErrorKeywords,
     proxyEmptyContentFailEnabled: config.proxyEmptyContentFailEnabled,