fix: Drops cleanup every 10 minutes + clean rebuild

- Changed drops verification from 4 hours to every 10 minutes
- Will remove taken domains much faster from drops list
- Includes clean rebuild to fix UI display issue

backend/app/scheduler.py

@@ -726,12 +726,12 @@ def setup_scheduler():
         replace_existing=True,
     )
     
-    # Drops availability verification (every 4 hours - remove taken domains)
+    # Drops availability verification (every 10 minutes - remove taken domains)
     scheduler.add_job(
         verify_drops,
-        CronTrigger(hour='*/4', minute=15),  # Every 4 hours at :15
+        CronTrigger(minute='*/10'),  # Every 10 minutes
         id="drops_verification",
-        name="Drops Availability Check (4-hourly)",
+        name="Drops Availability Check (10-min)",
         replace_existing=True,
     )
     
@@ -746,7 +746,7 @@ def setup_scheduler():
         f"\n  - Expired auction cleanup every 15 minutes"
         f"\n  - Sniper alert matching every 30 minutes"
         f"\n  - Zone file sync daily at 05:00 UTC"
-        f"\n  - Drops availability check every 4 hours"
+        f"\n  - Drops availability check every 10 minutes"
     )