Update app.py

app.py

@@ -30,6 +30,7 @@ available_models = {
     "Zamani":  load_xgb_model("mjpsm/Zamani-xgb-model",  "Zamani_xgb_model.json"),
     "Tamu":    load_xgb_model("mjpsm/Tamu-xgb-model",    "Tamu_xgb_model.json"),
     "Shujaa":  load_xgb_model("mjpsm/Shujaa-xgb-model",  "Shujaa_xgb_model.json"),
+    "Ayo":     load_xgb_model("mjpsm/Ayo-xgb-model",     "Ayo_xgb_model.json"),
 }
 
 # Archetype list (15 total, placeholders for now)