Update app.py

app.py

@@ -111,6 +111,34 @@ def search():
 
     return jsonify(data), resp.status_code
 
+@app.route('/debug')
+def debug():
+    info = {
+        "TAVILY_KEY_set": bool(TAVILY_KEY),
+        "HF_TOKEN_set":   bool(HF_TOKEN),
+        "HF_DATASET":     HF_DATASET or "NOT SET",
+    }
+    if HF_TOKEN and HF_DATASET:
+        try:
+            cache = hf_get_cache()
+            info["hf_read"]          = "OK"
+            info["cache_keys_count"] = len(cache)
+            info["cache_keys"]       = list(cache.keys())[:20]
+        except Exception as e:
+            info["hf_read"] = f"ERROR: {e}"
+        try:
+            r = requests.get(
+                f"https://huggingface.co/api/datasets/{HF_DATASET}/tree/main",
+                headers=hf_headers(), timeout=10
+            )
+            info["hf_tree_status"] = r.status_code
+            info["hf_files"] = [f.get("path") for f in r.json()] if r.ok else r.text[:200]
+        except Exception as e:
+            info["hf_tree"] = f"ERROR: {e}"
+    else:
+        info["hf_status"] = "HF_TOKEN or HF_DATASET not set — cache disabled"
+    return jsonify(info)
+
 @app.route('/<path:path>')
 def static_files(path):
     return send_from_directory('.', path)