Update app.py

app.py

@@ -1496,6 +1496,15 @@ with tab_predict:
     cat_cols = meta["schema"]["categorical"]
 
     TAB_MANAGED_FIELDS = set()
+
+    # Derived/auto fields (managed by DOB/Dx/CR widgets)
+    if AGE_FEATURE in feature_cols:
+        TAB_MANAGED_FIELDS.add(AGE_FEATURE)
+    if DX_DATE_FEATURE in feature_cols:
+        TAB_MANAGED_FIELDS.add(DX_DATE_FEATURE)
+    if "Date of 1st CR" in feature_cols:
+        TAB_MANAGED_FIELDS.add("Date of 1st CR")
+
     
     # Clinical yes/no handled in Clinical tab
     TAB_MANAGED_FIELDS.update([f for f in YESNO_FIELDS if f in feature_cols])
@@ -1507,7 +1516,7 @@ with tab_predict:
     TAB_MANAGED_FIELDS.update([f for f in NGS_MARKERS if f in feature_cols])
 
     DROPDOWN_FIELDS = [f for f in DROPDOWN_FIELDS if f not in TAB_MANAGED_FIELDS]
-    YESNO_FIELDS    = [f for f in YESNO_FIELDS if f not in TAB_MANAGED_FIELDS]  # optional
+    
 
     # Optional marker counts: handled automatically
     if FISH_COUNT_COL in feature_cols:
@@ -1516,10 +1525,7 @@ 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