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/collector/network_windows.go

@@ -0,0 +1,53 @@
+//go:build windows
+
+// Package collector 提供 Windows 网络连接基础采集能力。 // Logan.Li
+package collector
+
+import (
+	"bytes"
+	"os/exec"
+	"strings"
+
+	"ezops/agent/model"
+)
+
+type NetworkCollector struct{}
+
+func NewNetworkCollector() *NetworkCollector {
+	return &NetworkCollector{}
+}
+
+func (c *NetworkCollector) Collect() (model.NetworkStat, error) {
+	stat := model.NetworkStat{NicName: firstWindowsNIC()}
+	out, err := exec.Command("netstat", "-ano", "-p", "tcp").Output()
+	if err != nil {
+		return stat, nil
+	}
+	for _, line := range strings.Split(string(out), "\n") {
+		fields := strings.Fields(line)
+		if len(fields) < 4 || strings.ToUpper(fields[0]) != "TCP" {
+			continue
+		}
+		state := strings.ToUpper(fields[3])
+		switch state {
+		case "ESTABLISHED":
+			stat.TCPEstablished++
+		case "TIME_WAIT":
+			stat.TCPTimeWait++
+		case "CLOSE_WAIT":
+			stat.TCPCloseWait++
+		}
+		stat.TCPTotal++
+	}
+	return stat, nil
+}
+
+func firstWindowsNIC() string {
+	out, err := exec.Command("powershell.exe", "-NoProfile", "-Command", "Get-NetAdapter | Where-Object {$_.Status -eq 'Up'} | Select-Object -First 1 -ExpandProperty Name").Output()
+	if err == nil {
+		if name := strings.TrimSpace(string(bytes.TrimSpace(out))); name != "" {
+			return name
+		}
+	}
+	return "Ethernet"
+}