Update app.py

app.py

@@ -1467,10 +1467,7 @@ with tab_predict:
 
     
     
-    # Age + key dates are handled by DOB/Dx inputs, not generic UI
     
-    if "Date of 1st CR" in feature_cols:
-        TAB_MANAGED_FIELDS.add("Date of 1st CR")
 
 
     def get_options_from_df(df: pd.DataFrame, col: str) -> list[str]:
@@ -1519,6 +1516,11 @@ with tab_predict:
         TAB_MANAGED_FIELDS.add(NGS_COUNT_COL)
     
     
+    # Age + key dates are handled by DOB/Dx inputs, not generic UI
+    
+    if "Date of 1st CR" in feature_cols:
+        TAB_MANAGED_FIELDS.add("Date of 1st CR")
+    
      # ---------------------------
     # Inference Excel (optional) - store in session_state for dropdown options
     # ---------------------------