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internal/multiagent/execute_exit_error.go

@@ -0,0 +1,15 @@
+package multiagent
+
+import "fmt"
+
+// ExecuteExitError 表示 execute 命令非零退出（预期失败，非超时/中断/流异常）。
+type ExecuteExitError struct {
+	Code int
+}
+
+func (e *ExecuteExitError) Error() string {
+	if e == nil {
+		return "exit status unknown"
+	}
+	return fmt.Sprintf("exit status %d", e.Code)
+}