diff --git a/home-apps/demo-service/service.py b/home-apps/demo-service/service.py
index 7a09f43..d366306 100644
--- a/home-apps/demo-service/service.py
+++ b/home-apps/demo-service/service.py
@@ -175,7 +175,8 @@ async def site_content(path: str = "", request: Request = None):
             resp.headers["Cache-Control"] = "no-store"
             return resp
     # HTML files render inline; others (CSS, JS, images) are served as files
-    if target.suffix == ".html":
+    # .draft and .bak are hidden HTML fallbacks (e.g. .index.html.draft)
+    if target.suffix == ".html" or target.suffix in (".draft", ".bak"):
         return HTMLResponse(target.read_text())
     resp = FileResponse(target)
     resp.headers["Content-Disposition"] = "inline"