Refactor scheduler and settings UI

config.example.yaml

@@ -38,6 +38,15 @@ alerts:
   high_demand_threshold: 5      # КП за 30 дней
   trending_threshold_percent: 50 # % роста для алерта
 
+scheduler:
+  enabled: true
+  poll_interval: "1m"
+  alerts_interval: "1h"
+  update_prices_interval: "24h"
+  update_popularity_interval: "24h"
+  reset_weekly_counters_interval: "168h"
+  reset_monthly_counters_interval: "720h"
+
 notifications:
   email_enabled: false
   smtp_host: "smtp.example.com"