feat: integrate Advent of Code scheduler initialization in ready event with error handling

Author: wiktoriavh

src/events/ready.ts

@@ -1,5 +1,6 @@
 import { Events } from 'discord.js';
 import { config } from '../env.js';
+import { initializeAdventScheduler } from '../util/advent-scheduler.js';
 import { fetchAndCachePublicChannelsMessages } from '../util/cache.js';
 import { createEvent } from '../util/events.js';
 import { syncGuidesToChannel } from '../util/post-guides.js';
@@ -44,5 +45,12 @@ export const readyEvent = createEvent(
         }
       }
     }
+
+    // Initialize Advent of Code scheduler
+    try {
+      initializeAdventScheduler(client, config.channelIds.adventOfCode);
+    } catch (error) {
+      console.error('❌ Failed to initialize Advent of Code scheduler:', error);
+    }
   }
 );