Debug: Add startup logging to diagnose book loading issues and force HF Space restart

app.py

@@ -415,6 +415,9 @@ def get_diagnostic():
 
 # Launch the app
 if __name__ == "__main__":
+    print("🚀 Starting Borges Graph Explorer...")
+    print(f"📚 Books available: {len(available_books)}")
+    print(f"📖 Current book: {borges_rag.current_book}")
     app.launch(
         server_name="0.0.0.0",
         server_port=7860,