feat: Add method to get extractions by status and implement user info retrieval in extraction service

tests/services/test_extraction.py

@@ -217,6 +217,10 @@ class TestExtractionService:
         extraction_service.extraction_repo.get_by_service_and_id = AsyncMock(
             return_value=None,
         )
+        # Mock user repository
+        from app.models.user import User
+        mock_user = User(id=1, name="Test User")
+        extraction_service.user_repo.get_by_id = AsyncMock(return_value=mock_user)
 
         # Mock service detection
         service_info = {