feat(aia): Protocol Agent MVP complete with one-click generation and Word export

- Add one-click research protocol generation with streaming output

- Implement Word document export via Pandoc integration

- Add dynamic dual-panel layout with resizable split pane

- Implement collapsible content for StatePanel stages

- Add conversation history management with title auto-update

- Fix scroll behavior, markdown rendering, and UI layout issues

- Simplify conversation creation logic for reliability

tests/README_测试说明.md

@@ -312,5 +312,6 @@ df_numeric.to_excel('test_data/numeric_test.xlsx', index=False)
 
 
 
+