Fix citations

services/openai_service.py

@@ -9,7 +9,10 @@ try:
     import config
     from utils import format_context_for_openai
 except ImportError:
+    # More detailed error handling for better debugging
     print("Error: Failed to import config or utils in openai_service.py")
+    traceback.print_exc()
+    print("Current directory:", __file__)
     raise SystemExit("Failed imports in openai_service.py")
 
 # --- Globals ---
@@ -183,15 +186,13 @@ async def extract_citations_with_openai(text: str) -> Set[str]:
     """
     Extract citation numbers from a response text using OpenAI.
     Returns a set of citation IDs as strings.
-    Falls back to regex if OpenAI fails.
+    Returns empty set if extraction fails.
     """
     global openai_async_client
     ready, msg = get_openai_status()
     if not ready or openai_async_client is None or not text:
         print(f"OpenAI citation extraction failed: Client not ready - {msg}")
-        # Fall back to regex
-        import re
-        return set(re.findall(r'מקור[\s\u00A0\u2000-\u200F\u2028-\u202F\u205F\u3000]*([0-9]+)', text))
+        return set()
     
     try:
         response = await openai_async_client.chat.completions.create(
@@ -212,6 +213,4 @@ async def extract_citations_with_openai(text: str) -> Set[str]:
     except Exception as e:
         print(f"Error during OpenAI citation extraction: {e}")
         traceback.print_exc()
-        # Fall back to regex
-        import re
-        raise Exception(f"Failed to extract citations: {e}")
+        return set()