- Added blank lines for better separation of test cases in multiple test files.
- Reformatted event handling in tests for clarity and consistency.
- Ensured consistent use of multi-line formatting for dictionary arguments in event handling.
- Improved assertions and test descriptions for better understanding.
- Updated test cases across various modules including test_stream_state, test_stream_utils, test_summarization, test_thread_selector, test_tool_error_handler, test_tui_widgets, test_ui_runtime, and test_wechat_channel.
- Introduced a new test file `test_rich_escape.py` to validate the safety of Rich markup escaping in the ToolResultFormatter.
- Added tests to ensure that tool names and error messages containing brackets do not cause crashes during formatting.
X-iZhang