changelogs/v4.19.2.md
sendMessageDraft 流式实时输出 API (#5726)DEMO_MODE 环境变量未正确解析为布尔值的问题 (#5676)。/model 命令切换至不同 Provider 模型时产生误导性行为的问题 (#5578)。max_agent_step 配置未应用到子 Agent 的问题 (#5608)。uv sync 时未要求 Node.js 环境的问题。ToolLoopAgentRunner (#5484).completion 无法解析 error (#5534).DEMO_MODE environment variable not being parsed correctly as a boolean (#5676)./model command when switching to a model from a different provider (#5578).max_agent_step config not being applied to sub-agents (#5608).uv sync.