Fix: Remove non-existent set_global_dates call

- Remove call to extract.set_global_dates() which doesn't exist
- Extract functions take start_date as parameter directly
- No need for global date setting

src/config/optimization_config.py

@@ -64,9 +64,7 @@ def get_date_span():
 #fetch date from streamlit or default value. The streamlit and default references the demand data (COOIS_Planned_and_Released.csv)
 DATE_SPAN, start_date, end_date = get_date_span() 
 
-# Update global dates in extract module BEFORE any data loading
-extract.set_global_dates(start_date, end_date)
-
+# Note: No need to set global dates - extract functions take start_date as parameter directly
 print(f"\n📅 DATE RANGE: {start_date} to {end_date}")
 print(f"📁 PRODUCT SOURCE: COOIS_Released_Prod_Orders.csv")