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/port_windows.go

@@ -0,0 +1,94 @@
+//go:build windows
+
+// Package collector 提供 Windows 监听端口发现能力。 // Logan.Li
+package collector
+
+import (
+	"encoding/csv"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"ezops/agent/model"
+)
+
+type PortCollector struct {
+	Policy *model.PortPolicy
+}
+
+func NewPortCollector() *PortCollector {
+	return &PortCollector{}
+}
+
+func (p *PortCollector) SetPolicy(policy *model.PortPolicy) {
+	p.Policy = policy
+}
+
+func (p *PortCollector) Collect() ([]model.PortStat, error) {
+	pidNames := windowsProcessNames()
+	out, err := exec.Command("netstat", "-ano", "-p", "tcp").Output()
+	if err != nil {
+		return []model.PortStat{}, nil
+	}
+	seen := map[string]bool{}
+	var ports []model.PortStat
+	for _, line := range strings.Split(string(out), "\n") {
+		fields := strings.Fields(line)
+		if len(fields) < 5 || strings.ToUpper(fields[0]) != "TCP" || strings.ToUpper(fields[3]) != "LISTENING" {
+			continue
+		}
+		port := parseWindowsPort(fields[1])
+		if port <= 0 {
+			continue
+		}
+		if p.Policy != nil && p.Policy.IsBlacklistMode() && !p.Policy.InWhitelist(port) {
+			continue
+		}
+		pid, _ := strconv.Atoi(fields[4])
+		key := strconv.Itoa(port) + "|" + strconv.Itoa(pid)
+		if seen[key] {
+			continue
+		}
+		seen[key] = true
+		ports = append(ports, model.PortStat{
+			Port:     port,
+			Protocol: "tcp",
+			Process:  pidNames[pid],
+			PID:      pid,
+		})
+	}
+	return ports, nil
+}
+
+func parseWindowsPort(addr string) int {
+	addr = strings.Trim(addr, "[]")
+	idx := strings.LastIndex(addr, ":")
+	if idx < 0 || idx+1 >= len(addr) {
+		return 0
+	}
+	port, _ := strconv.Atoi(addr[idx+1:])
+	return port
+}
+
+func windowsProcessNames() map[int]string {
+	out, err := exec.Command("tasklist", "/FO", "CSV", "/NH").Output()
+	if err != nil {
+		return map[int]string{}
+	}
+	reader := csv.NewReader(strings.NewReader(string(out)))
+	rows, err := reader.ReadAll()
+	if err != nil {
+		return map[int]string{}
+	}
+	result := map[int]string{}
+	for _, row := range rows {
+		if len(row) < 2 {
+			continue
+		}
+		pid, err := strconv.Atoi(strings.TrimSpace(row[1]))
+		if err == nil {
+			result[pid] = row[0]
+		}
+	}
+	return result
+}