feat: 新增技能编排引擎和工作流构建器组件

refactor: 统一Hands系统常量到单个源文件
refactor: 更新Hands中文名称和描述

fix: 修复技能市场在连接状态变化时重新加载
fix: 修复身份变更提案的错误处理逻辑

docs: 更新多个功能文档的验证状态和实现位置
docs: 更新Hands系统文档

test: 添加测试文件验证工作区路径

crates/zclaw-runtime/src/driver/gemini.rs

@@ -1,7 +1,7 @@
 //! Google Gemini driver implementation
 
 use async_trait::async_trait;
-use futures::{Stream, StreamExt};
+use futures::Stream;
 use secrecy::{ExposeSecret, SecretString};
 use reqwest::Client;
 use std::pin::Pin;

crates/zclaw-runtime/src/driver/local.rs

@@ -1,7 +1,7 @@
 //! Local LLM driver (Ollama, LM Studio, vLLM, etc.)
 
 use async_trait::async_trait;
-use futures::{Stream, StreamExt};
+use futures::Stream;
 use reqwest::Client;
 use std::pin::Pin;
 use zclaw_types::{Result, ZclawError};

crates/zclaw-runtime/src/driver/openai.rs

@@ -499,7 +499,15 @@ impl OpenAiDriver {
             eprintln!("[OpenAiDriver:stream_from_complete] Got response with {} choices", api_response.choices.len());
             if let Some(choice) = api_response.choices.first() {
                 eprintln!("[OpenAiDriver:stream_from_complete] First choice: content={:?}, tool_calls={:?}, finish_reason={:?}",
-                    choice.message.content.as_ref().map(|c| if c.len() > 100 { &c[..100] } else { c.as_str() }),
+                    choice.message.content.as_ref().map(|c| {
+                        if c.len() > 100 {
+                            // 使用 floor_char_boundary 确保不在多字节字符中间截断
+                            let end = c.floor_char_boundary(100);
+                            &c[..end]
+                        } else {
+                            c.as_str()
+                        }
+                    }),
                     choice.message.tool_calls.as_ref().map(|tc| tc.len()),
                     choice.finish_reason);
             }