feat: 完善堡垒机与 Agent 智能运维能力

- 支持 Windows Agent 构建、安装脚本和统一上报协议

- 增强 RDP 剪贴板、虚拟盘和文件传输能力

- 新增 AIOps 上下文工具、告警 RCA trace 落库和回放接口

- 重构 docs 模块文档并补充终端、堡垒机、监控、AI Agent 设计

agent/task/executor_windows.go

@@ -0,0 +1,103 @@
+//go:build windows
+
+// Package task 实现 Windows Agent 的 PowerShell 任务执行能力。 // Logan.Li
+package task
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"time"
+)
+
+type Executor struct {
+	logger *log.Logger
+}
+
+func New(logger *log.Logger) *Executor {
+	return &Executor{logger: logger}
+}
+
+func (e *Executor) ExecuteTask(ctx context.Context, t Task) Result {
+	res := Result{TaskID: t.TaskID}
+	execCtx, cancel := e.withTimeout(ctx, t.Timeout)
+	defer cancel()
+
+	var cmd *exec.Cmd
+	var cleanup func()
+	switch t.Type {
+	case TypeCommand:
+		cmd = exec.CommandContext(execCtx, "powershell.exe", "-NoProfile", "-ExecutionPolicy", "Bypass", "-Command", t.Command)
+	case TypeScript:
+		path, err := writeTempPowerShell(t.Command)
+		if err != nil {
+			res.ExitCode = -1
+			res.Status = "failed"
+			res.Result = "写入临时 PowerShell 脚本失败: " + err.Error()
+			return res
+		}
+		cleanup = func() { _ = os.Remove(path) }
+		cmd = exec.CommandContext(execCtx, "powershell.exe", "-NoProfile", "-ExecutionPolicy", "Bypass", "-File", path)
+	default:
+		res.ExitCode = -1
+		res.Status = "failed"
+		res.Result = fmt.Sprintf("未知的任务类型: %q", t.Type)
+		return res
+	}
+	if cleanup != nil {
+		defer cleanup()
+	}
+
+	var buf bytes.Buffer
+	cmd.Stdout = &buf
+	cmd.Stderr = &buf
+	start := time.Now()
+	err := cmd.Run()
+	elapsed := time.Since(start)
+	if execCtx.Err() == context.DeadlineExceeded {
+		res.ExitCode = -1
+		res.Status = "timeout"
+		res.Result = fmt.Sprintf("任务执行超时（%ds），已输出:\n%s", t.Timeout, buf.String())
+		e.logger.Printf("任务 %s 执行超时（%ds）", t.TaskID, t.Timeout)
+		return res
+	}
+	res.ExitCode = exitCode(err)
+	res.Result = buf.String()
+	if res.ExitCode == 0 {
+		res.Status = "success"
+		e.logger.Printf("任务 %s 执行成功 exit=0 耗时=%s 输出=%dB", t.TaskID, elapsed, buf.Len())
+	} else {
+		res.Status = "failed"
+		e.logger.Printf("任务 %s 执行失败 exit=%d 耗时=%s 输出=%dB", t.TaskID, res.ExitCode, elapsed, buf.Len())
+	}
+	return res
+}
+
+func (e *Executor) withTimeout(parent context.Context, timeout int) (context.Context, context.CancelFunc) {
+	if timeout <= 0 {
+		return parent, func() {}
+	}
+	return context.WithTimeout(parent, time.Duration(timeout)*time.Second)
+}
+
+func exitCode(err error) int {
+	if err == nil {
+		return 0
+	}
+	if exitErr, ok := err.(*exec.ExitError); ok {
+		return exitErr.ExitCode()
+	}
+	return -1
+}
+
+func writeTempPowerShell(script string) (string, error) {
+	path := filepath.Join(os.TempDir(), fmt.Sprintf("aiops-agent-task-%d.ps1", time.Now().UnixNano()))
+	if err := os.WriteFile(path, []byte(script), 0600); err != nil {
+		return "", err
+	}
+	return path, nil
+}