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app/building_info_form.py

@@ -26,6 +26,32 @@ class BuildingInfoForm:
         Display the building information form.
         This method is called from main.py.
         """
+        # Initialize building info in session state if not exists
+        if "building_info" not in st.session_state:
+            st.session_state["building_info"] = {
+                "project_name": "",
+                "building_name": "",
+                "location": "",
+                "climate_zone": "",
+                "building_type": "",
+                "floor_area": 0.0,
+                "num_floors": 1,
+                "floor_height": 3.0,
+                "orientation": "NORTH",
+                "occupancy": 0,
+                "operating_hours": "8:00-18:00",
+                "design_conditions": {
+                    "summer_outdoor_db": 35.0,
+                    "summer_outdoor_wb": 25.0,
+                    "summer_indoor_db": 24.0,
+                    "summer_indoor_rh": 50.0,
+                    "winter_outdoor_db": -5.0,
+                    "winter_outdoor_rh": 80.0,
+                    "winter_indoor_db": 21.0,
+                    "winter_indoor_rh": 40.0
+                }
+            }
+        
         self.display_building_info_form(st.session_state)
     
     @staticmethod
@@ -65,7 +91,7 @@ class BuildingInfoForm:
             }
         
         # Create form
-        with st.form("building_info_form"):
+        with st.form(key="building_info_form"):
             st.subheader("Project Information")
             
             col1, col2 = st.columns(2)