refactor: Clean up cron initialization logs

Single summary line instead of verbose duplicates:
[INFO] Cron jobs initialized: Calendar (07:00), Audit cleanup (00:00)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/cron/calendar/index.js

@@ -26,49 +26,43 @@ const isTestMode = () => {
 
 /**
  * Start the calendar notification cron job
+ * @returns {{ name: string, schedule: string }}
  */
 export const startCalendarNotificationCron = () => {
   let cronExpression;
-  let description;
+  let schedule;
 
   if (isTestMode()) {
-    // Test mode: run every minute
     cronExpression = '* * * * *';
-    description = 'každú minútu (TEST MODE)';
-    logger.warn('NOTIFICATION_TEST_MODE je zapnutý - cron beží každú minútu!');
+    schedule = 'every minute (TEST)';
+    logger.warn('NOTIFICATION_TEST_MODE enabled - notifications run every minute!');
   } else {
-    // Production mode: run at specified time
     const { hour, minute } = parseNotificationTime();
     cronExpression = `${minute} ${hour} * * *`;
-    description = `${hour}:${minute.padStart(2, '0')} každý deň`;
+    schedule = `${hour}:${minute.padStart(2, '0')}`;
   }
 
-  logger.info(`Nastavujem cron pre kalendárne notifikácie: ${cronExpression} (${description})`);
-
-  const task = cron.schedule(cronExpression, async () => {
-    logger.info('Cron job spustený - kontrolujem zajtrajšie udalosti');
-
+  cron.schedule(cronExpression, async () => {
+    logger.info('Running calendar notifications...');
     try {
       const stats = await sendEventNotifications();
-      logger.info(`Cron job dokončený - výsledky: ${JSON.stringify(stats)}`);
+      logger.info(`Notifications done: sent=${stats.sent}, failed=${stats.failed}, skipped=${stats.skipped}`);
     } catch (error) {
-      logger.error('Chyba pri spúšťaní cron jobu', error);
+      logger.error('Calendar notification cron failed', error);
     }
   }, {
     scheduled: true,
     timezone: 'Europe/Bratislava',
   });
 
-  logger.success(`Kalendárny notifikačný cron naplánovaný: ${description} (Europe/Bratislava)`);
-
-  return task;
+  return { name: `Calendar (${schedule})`, schedule };
 };
 
 /**
  * Manually trigger event notifications (for testing)
  */
 export const triggerEventNotifications = async () => {
-  logger.info('Manuálne spúšťam kontrolu notifikácií...');
+  logger.info('Manually triggering notifications...');
   return sendEventNotifications();
 };
 
@@ -78,6 +72,6 @@ export const triggerEventNotifications = async () => {
  * @param {string} adminUserId - Admin user ID (sender)
  */
 export const triggerSingleEventNotification = async (eventId, adminUserId) => {
-  logger.info(`Manuálne spúšťam notifikáciu pre event ${eventId} od admina ${adminUserId}...`);
+  logger.info(`Manually triggering notification for event ${eventId}`);
   return sendSingleEventNotification(eventId, adminUserId);
 };

src/cron/cleanupAuditLogs.js

@@ -1,7 +1,7 @@
 import cron from 'node-cron';
 import { db } from '../config/database.js';
 import { auditLogs } from '../db/schema.js';
-import { lt, sql } from 'drizzle-orm';
+import { lt } from 'drizzle-orm';
 import { logger } from '../utils/logger.js';
 
 const RETENTION_DAYS = 7;
@@ -13,8 +13,6 @@ export const cleanupOldAuditLogs = async () => {
   const cutoffDate = new Date();
   cutoffDate.setDate(cutoffDate.getDate() - RETENTION_DAYS);
 
-  logger.info(`[Audit Cleanup] Spúšťam čistenie audit logov starších ako ${RETENTION_DAYS} dní (pred ${cutoffDate.toISOString()})`);
-
   try {
     const result = await db
       .delete(auditLogs)
@@ -24,14 +22,12 @@ export const cleanupOldAuditLogs = async () => {
     const deletedCount = result.length;
 
     if (deletedCount > 0) {
-      logger.info(`[Audit Cleanup] Úspešne zmazaných ${deletedCount} starých audit logov`);
-    } else {
-      logger.info('[Audit Cleanup] Žiadne staré audit logy na zmazanie');
+      logger.info(`Audit cleanup: deleted ${deletedCount} old logs`);
     }
 
     return deletedCount;
   } catch (error) {
-    logger.error('[Audit Cleanup] Chyba pri mazaní audit logov:', error);
+    logger.error('Audit cleanup failed', error);
     throw error;
   }
 };
@@ -39,19 +35,12 @@ export const cleanupOldAuditLogs = async () => {
 /**
  * Start the audit logs cleanup cron job
  * Runs every day at midnight (00:00)
+ * @returns {{ name: string, schedule: string }}
  */
 export const startAuditCleanupCron = () => {
-  // Schedule: '0 0 * * *' = every day at 00:00
   cron.schedule('0 0 * * *', () => {
-    logger.info('[Audit Cleanup] Cron job spustený');
-    cleanupOldAuditLogs()
-      .then(() => {
-        logger.info('[Audit Cleanup] Cron job dokončený');
-      })
-      .catch((error) => {
-        logger.error('[Audit Cleanup] Cron job zlyhal:', error);
-      });
+    cleanupOldAuditLogs().catch(() => {});
   });
 
-  logger.info('[Audit Cleanup] Cron job naplánovaný - každý deň o 00:00');
+  return { name: 'Audit cleanup (00:00)', schedule: '00:00' };
 };

src/cron/index.js

@@ -6,15 +6,18 @@ import { startAuditCleanupCron, cleanupOldAuditLogs } from './cleanupAuditLogs.j
  * Start all cron jobs
  */
 export const startAllCronJobs = () => {
-  logger.info('=== Inicializujem cron jobs ===');
+  const jobs = [];
 
   // Calendar event notifications
-  startCalendarNotificationCron();
+  const calendarJob = startCalendarNotificationCron();
+  jobs.push(calendarJob);
 
-  // Audit logs cleanup (daily at midnight)
-  startAuditCleanupCron();
+  // Audit logs cleanup
+  const auditJob = startAuditCleanupCron();
+  jobs.push(auditJob);
 
-  logger.info('=== Všetky cron jobs inicializované ===');
+  // Log summary
+  logger.info(`Cron jobs initialized: ${jobs.map(j => j.name).join(', ')}`);
 };
 
 // Export individual functions for testing/manual triggers