Update app.py

app.py

@@ -24,6 +24,8 @@ available_models = {
     "Kuumba":  load_xgb_model("mjpsm/Kuumba-xgb-model",  "Kuumba_xgb_model.json"),
     "Sankofa": load_xgb_model("mjpsm/Sankofa-xgb-model", "Sankofa_xgb_model.json"),
     "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"),
 }
 
 # Archetype list (15 total, placeholders for now)