Add debug prints to check MIP toggle functionality

gui.py

@@ -691,6 +691,7 @@ def index():
         # 获取开关状态
         use_ga = refs["ga_switch"].value if refs["ga_switch"] else False
         use_mip = refs["mip_switch"].value if refs["mip_switch"] else False
+        print(f"Switch values: GA={use_ga}, MIP={use_mip}")
 
         class QueueLogger(io.StringIO):
             def write(self, message):

main.py

@@ -1713,6 +1713,7 @@ def compare_design_methods(
             )
 
         if use_mip:
+            print(f"Starting MIP optimization for {name}")
             # --- Run 5: Mixed Integer Programming ---
             mip_name = f"{name} (MIP)"
             conns_mip, turbines_mip = design_with_mip(