Update app.py

app.py

@@ -26,6 +26,8 @@ available_models = {
     "Imani":   load_xgb_model("mjpsm/Imani-xgb-model",   "Imani_xgb_model.json"),
     "Maji":    load_xgb_model("mjpsm/Maji-xgb-model",    "Maji_xgb_model.json"),
     "Nzinga":  load_xgb_model("mjpsm/Nzinga-xgb-model",  "Nzinga_xgb_model.json"),
+    "Bisa":    load_xgb_model("mjpsm/Bisa-xgb-model",    "Bisa_xgb_model.json"),
+    "Zamani":  load_xgb_model("mjpsm/Zamani-xgb-model",  "Zamani_xgb_model.json"),
 }
 
 # Archetype list (15 total, placeholders for now)