Update app.py

fixing cold cache

app.py

@@ -7,7 +7,7 @@ from pathlib import Path
 from typing import List, Dict, Any
 
 import gradio as gr
-from huggingface_hub import CommitScheduler
+from huggingface_hub import CommitScheduler, snapshot_download
 
 # ------------------------------
 # Config
@@ -36,7 +36,24 @@ def _now_iso() -> str:
 
 def read_all_records() -> List[Dict[str, Any]]:
     records: List[Dict[str, Any]] = []
-    for p in sorted(LOCAL_SUBMISSIONS_DIR.glob("*.jsonl")):
+
+    local_files = sorted(LOCAL_SUBMISSIONS_DIR.glob("*.jsonl"))
+    sources = list(local_files)
+
+    if not sources:
+        try:
+            snap_dir = Path(snapshot_download(
+                repo_id=DATASET_REPO_ID,
+                repo_type="dataset",
+                allow_patterns="data/*.jsonl"
+            ))
+            hub_data_dir = snap_dir / "data"
+            sources = sorted(hub_data_dir.glob("*.jsonl"))
+        except Exception:
+            # If snapshot fails (e.g., offline), we just return empty
+            sources = []
+            
+    for p in sources:
         try:
             with p.open("r", encoding="utf-8") as f:
                 for line in f: