check dependencies at startup

app.py

@@ -6,6 +6,7 @@ from pathlib import Path
 
 
 from core.agent import GaiaAgent, Attachment
+from utils.dependencies_checker import check_dependencies
 
 # (Keep Constants as is)
 # --- Constants ---
@@ -232,6 +233,8 @@ if __name__ == "__main__":
         print("ℹ️  SPACE_ID environment variable not found (running locally?). Repo URL cannot be determined.")
 
     print("-"*(60 + len(" App Starting ")) + "\n")
+    print("-"*(60 + len(" Check dependencies ")) + "\n")
+    check_dependencies()
 
     print("Launching Gradio Interface for Basic Agent Evaluation...")
     demo.launch(debug=True, share=False)

utils/dependencies_checker.py

@@ -0,0 +1,32 @@
+import os
+import shutil
+
+
+def find_stockfish_path():
+    # Try to find stockfish in PATH
+    path = shutil.which("stockfish")
+    if path:
+        return path
+
+    # Try common locations if not in PATH
+    common_paths = [
+        "/usr/bin/stockfish",
+        "/usr/games/stockfish",
+        "/usr/local/bin/stockfish",
+        "/opt/homebrew/bin/stockfish",  # macOS with Homebrew
+        "C:\\stockfish\\stockfish.exe",  # Windows
+    ]
+
+    for path in common_paths:
+        if os.path.exists(path):
+            return path
+
+    return None
+
+
+def check_dependencies():
+    stockfish_path = find_stockfish_path()
+    if stockfish_path:
+        print(f"Found Stockfish at: {stockfish_path}")
+    else:
+        print("Stockfish not found!")