Update app.py

app.py

@@ -1797,7 +1797,12 @@ with tab_predict:
         )
 
         # Defaults so band() always exists
-        low_cut_s, high_cut_s = 0.2, 0.8
+        low_cut_s, high_cut_s = st.slider(
+            "Risk band cutoffs (low, high)", 0.0, 1.0, (0.2, 0.8), 0.01, key="sp_risk_cuts"
+        )
+        if low_cut_s > high_cut_s:
+            low_cut_s, high_cut_s = high_cut_s, low_cut_s
+
 
         def band_one(p: float) -> str:
             if p < low_cut_s: