- confirmAiInjection改用Range.selectNodeContents + execCommand('insertHTML')保留浏览器撤销栈
- handleAIGenerate中对cleanHtml增加<p>标签内联样式注入:padding 0px、font-family SimSun、font-size 12pt、line-height 1.5
- 确保AI替换后的文字字体与原有文字完全一致
- confirmAiInjection改用Range.selectNodeContents + execCommand('insertHTML')保留浏览器撤销栈
- handleAIGenerate中对cleanHtml增加<p>标签内联样式注入:padding 0px、font-family SimSun、font-size 12pt、line-height 1.5
- 确保AI替换后的文字字体与原有文字完全一致