Enhance regex pattern with expanded CJK character support and fix import sorting

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/test_chinese_support/test_chinese_agent_name.py

@@ -1,9 +1,11 @@
-import pytest
 import re
 
+import pytest
+
 from crewai.agent import Agent
 from crewai.knowledge.source.string_knowledge_source import StringKnowledgeSource
 
+
 def test_agent_with_chinese_role_name():
     """Test that an agent with a Chinese role name works correctly."""
     # Create a knowledge source with some content