- Replace non-existent 'output_format' attribute with 'output_json'
- Update test_custom_format_instructions to use correct Pydantic model approach
- Enhance test_stop_words_configuration to properly test agent executor creation
- Update documentation example to use correct API (output_json instead of output_format)
- Validated API corrections work with local test script
Co-Authored-By: João <joao@crewai.com>