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

backend/controller/automation_script.go

@@ -299,45 +299,41 @@ func (h *AutomationHandler) ExecuteScript(c *gin.Context) {
 		return
 	}
 
+	go h.finishScriptExecution(script, execution.ID)
+
+	c.JSON(http.StatusOK, model.Response{
+		Code:    200,
+		Message: "已提交后台执行",
+		Data:    execution,
+	})
+}
+
+// finishScriptExecution 在后台完成脚本执行，HTTP 请求只负责提交任务 // Logan.Li
+func (h *AutomationHandler) finishScriptExecution(script model.Script, executionID uint) {
 	rt := scriptrunner.DetectRuntime()
-	if ok, reason := scriptrunner.CanRun(rt, script.Type); !ok {
-		c.JSON(http.StatusBadRequest, model.Response{
-			Code:    400,
-			Message: reason,
-		})
-		return
-	}
-
-	// 在 AIOps 本机执行（embed 单二进制 / Docker 容器内）
-	output, exitCode, duration := runLocal(script.Type, script.Content, script.Timeout)
-	finishedAt := time.Now()
 	status := "success"
-	if exitCode != 0 {
+	output := ""
+	exitCode := 0
+	duration := 0
+	if ok, reason := scriptrunner.CanRun(rt, script.Type); !ok {
 		status = "failed"
+		exitCode = -1
+		output = reason + "\n"
+	} else {
+		output, exitCode, duration = runLocal(script.Type, script.Content, script.Timeout)
+		if exitCode != 0 {
+			status = "failed"
+		}
 	}
-
-	h.db.Model(&execution).Updates(map[string]interface{}{
+	finishedAt := time.Now()
+	h.db.Model(&model.TaskExecution{}).Where("id = ?", executionID).Updates(map[string]interface{}{
 		"status":      status,
 		"output":      output,
 		"duration":    duration,
 		"finished_at": finishedAt,
 	})
-	h.db.Model(&script).UpdateColumn("run_count", script.RunCount+1)
-
-	execution.Output = output
-	execution.Status = status
-	execution.Duration = duration
-	execution.FinishedAt = &finishedAt
-
-	msg := "执行成功"
-	if status == "failed" {
-		msg = "执行失败"
-	}
-	c.JSON(http.StatusOK, model.Response{
-		Code:    200,
-		Message: msg,
-		Data:    execution,
-	})
+	h.db.Model(&model.Script{}).Where("id = ?", script.ID).UpdateColumn("run_count", script.RunCount+1)
+	_ = exitCode
 }
 
 // ListExecutions 获取任务执行记录列表