UPDATE

rag/api_provider.py

@@ -4,7 +4,12 @@ Adapter Pattern برای API providers — سوئیچ بین GapGPT، Avalai و
 import logging
 import os
 
-from openai import OpenAI
+try:
+    from openai import OpenAI
+except ImportError:  # pragma: no cover - optional for stripped test envs
+    class OpenAI:  # type: ignore[override]
+        def __init__(self, *args, **kwargs):
+            raise ImportError("openai package is required for RAG clients.")
 
 from .config import RAGConfig, load_rag_config