change slack notif screenshot + change daily report time

Author: JimmyDore

backend/app/core/scheduler.py

@@ -33,7 +33,7 @@ def init_scheduler():
         )
         scheduler.add_job(
             generate_daily_report,
-            CronTrigger(hour=9, minute=0),
+            CronTrigger(hour=7, minute=0),
             id='daily_report',
             replace_existing=True,
         )

frontend/public/images/slack_notif_2.jpg

@@ -58,7 +58,7 @@ import MainLayout from '../layouts/MainLayout.astro';
     <div class="relative mb-16 rounded-lg shadow-lg overflow-hidden max-w-sm mx-auto">
       <div class="aspect-w-16 aspect-h-9">
         <img 
-          src="/images/slack_notif.png" 
+          src="/images/slack_notif_2.jpg" 
           alt="Slack notification" 
           class="w-full h-full object-cover rounded-lg"
           onerror="this.style.display='none'"