Enhance lineup optimization by tracking all players in the row and updating player pool filtering to exclude them. Adjusted constraints for player usage across open columns.

global_func/optimize_lineup.py

@@ -53,30 +53,31 @@ def optimize_single_lineup(
     locked_salary = 0
     locked_player_names = set()
     
+    # IMPORTANT: Track ALL players currently in the row, not just locked ones
+    all_current_players = set()
+    
     for col in player_columns:
         player_name = row[col]
+        all_current_players.add(player_name)  # Add to set of all players in row
+        
         player_team = map_dict['team_map'].get(player_name, '')
         
         if player_team in lock_teams:
-            # Keep this player locked
             locked_players[col] = player_name
             locked_salary += get_effective_salary(player_name, col, map_dict, type_var)
             locked_player_names.add(player_name)
         else:
-            # This position is open for optimization
             open_columns.append(col)
     
-    # If no open columns, nothing to optimize
     if not open_columns:
         return optimized_row
     
-    # Calculate remaining salary budget
     remaining_salary = salary_max - locked_salary
     
-    # Filter player pool: exclude locked teams and already-locked players
+    # Filter player pool: exclude locked teams AND all players already in the row
     available_players = player_pool[
         (~player_pool['team'].isin(lock_teams)) & 
-        (~player_pool['player_names'].isin(locked_player_names))
+        (~player_pool['player_names'].isin(all_current_players))  # ✅ Changed this line
     ].copy()
     
     if available_players.empty:
@@ -106,7 +107,7 @@ def optimize_single_lineup(
     
     # Constraint 2: Each player can only be used once across all open columns
     for i in range(num_players):
-        solver.Add(sum(x[i, j] for j in range(num_player_columns)) <= 1)
+        solver.Add(sum(x[i, j] for j in range(num_open_cols)) <= 1)
     
     # Constraint 3: Position eligibility
     for i, player in enumerate(player_list):