重构: tool_registry拆分及多批改进

crates/df-execute/src/shell.rs

@@ -99,7 +99,7 @@ pub async fn execute(request: ShellRequest) -> anyhow::Result<ShellResult> {
             cmd.output(),
         )
         .await
-        .map_err(|_| anyhow::anyhow!("命令执行超时: {}秒", secs))??,
+        .map_err(|_| anyhow::anyhow!("命令执行超时({}s): {}", secs, request.command))??,
         None => cmd.output().await?,
     };