Fix astro link: route via huggingface.co space page

README.md

@@ -8,7 +8,7 @@ sdk_version: 6.25.0
 app_file: app.py
 pinned: false
 license: mit
-short_description: Create polls and vote
+short_description: Create polls and vote — members only
 hf_oauth: true
 # NOTE: Uncomment the line below to hard-gate the entire Space at the
 # platform level so only slmconsortium members can even open it.

app.py

@@ -422,13 +422,19 @@ def on_load(
 
 # ------------------------------------------------------------------ blocks
 
+# Link for reaching the Astro frontend from the gradio UI. On a private
+# Space a bare "/" (hf.space root) 404s in a fresh tab — the HF auth
+# handshake only happens via the huggingface.co Space page.
+_space_id = os.getenv("SPACE_ID", "")
+_astro_link = f"https://huggingface.co/spaces/{_space_id}" if _space_id else "/"
+
 with gr.Blocks(title="SLM Consortium Polls") as demo:
     gr.Markdown(
         "# 🗳️ SLM Consortium Polls\n"
         "Create polls and vote. **Sign-in with Hugging Face is required**, and only "
         f"members of the `{REQUIRED_ORG}` organization can create polls or vote. "
         "Everyone can view live results.\n\n"
-        "Prefer the new look? Use the [Astro frontend](/) at the Space root."
+        f"Prefer the new look? Use the [Astro frontend]({_astro_link}) at the Space root."
     )
     with gr.Row():
         gr.LoginButton(min_width=50)