Create api/utils.py

api/utils.py

@@ -0,0 +1,9 @@
+from .openrouter import OpenRouterClient
+
+_client_instance = None
+
+def get_openrouter_client():
+    global _client_instance
+    if _client_instance is None:
+        _client_instance = OpenRouterClient()
+    return _client_instance