Update eco_support.py

fixed interest duration (24hrs instead of 1 second)

src/eco_support.py

@@ -209,7 +209,7 @@ def update_bank_interest(user_id, max_bank_size):
     time_difference = time.time() - last_interest_update
 
     # If 24 hours have passed, apply interest 24 * 60 * 60 == 1 day/24 hours
-    if time_difference >= 3:
+    if time_difference >= 24 * 60 * 60:
         print("updated bank interest!")
         # Calculate interest amount (10% of current bank balance)
         bank_balance = get_bank_balance(user_id)