Serve the React SPA at / instead of the backend JSON banner (move health banner to /api/health)

multi_llm_chatbot_backend/app/api/routes/root.py

@@ -8,7 +8,11 @@ logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
-@router.get("/")
+# NB: keep this OFF the bare "/" path. In the single-container / Hugging Face
+# Spaces deployment the React SPA is mounted at "/" as a catch-all, and any
+# API route registered at exactly "/" would shadow the SPA's index.html and
+# leave users staring at this JSON banner instead of the app.
+@router.get("/api/health")
 def root():
     title = get_settings().app.title
     return {