Redirect hf.space to huggingface.co for ZeroGPU auth

app.py

@@ -8,6 +8,7 @@ import sys
 import tempfile
 import time
 import urllib.request
+import warnings
 from datetime import datetime
 from pathlib import Path
 from typing import List, Optional, Tuple
@@ -58,6 +59,15 @@ DEFAULT_ZERO_GPU_SHARD_SIZE = int(
 DEFAULT_ZERO_GPU_MAX_SHARDS = int(
     os.getenv("CHIZZLER_ZERO_GPU_MAX_SHARDS", "1")
 )
+SPACE_ID = os.getenv("SPACE_ID")
+if SPACE_ID:
+    warnings.filterwarnings(
+        "ignore",
+        message=(
+            "LoginButton created outside of a Blocks context\\. "
+            "May not work unless you call its `activate\\(\\)` method manually\\."
+        ),
+    )
 
 
 def log_progress(message: str, level: int = 1, enabled: bool = True) -> None:
@@ -1152,6 +1162,17 @@ def process_dataset_and_push(
     request: gr.Request | None = None,
     progress=gr.Progress(),
 ) -> str:
+    if SPACE_ID and request is not None:
+        headers = getattr(request, "headers", None)
+        token_header = None
+        if headers and hasattr(headers, "get"):
+            token_header = headers.get("x-ip-token")
+        if not token_header:
+            log_progress(
+                "ZeroGPU auth header missing. Use the Space on huggingface.co "
+                "to attach your login to ZeroGPU quota.",
+                2,
+            )
     attempts = 0
     while True:
         try:
@@ -1391,6 +1412,20 @@ def gradio_single_file(
 
 
 with gr.Blocks(title="Representation Chizzler") as demo:
+    if SPACE_ID:
+        gr.HTML(
+            f"""
+<script>
+(() => {{
+  const host = window.location.hostname;
+  if (host.endsWith(".hf.space")) {{
+    const target = "https://huggingface.co/spaces/{SPACE_ID}";
+    window.location.replace(target + window.location.search + window.location.hash);
+  }}
+}})();
+</script>
+"""
+        )
     gr.Markdown(
         "# Representation Chizzler\n"
         "Two-stage audio processing: VAD-based speech extraction followed by MP-SENet "