refactor: 增强 systeminfo 插件并合并 envinfo

- systeminfo 新增网卡信息、权限检测、补丁数量、杀软检测、
  防火墙状态、敏感环境变量扫描等功能
- 合并 envinfo 到 systeminfo，删除独立的 envinfo 插件
- 修复本地插件通过 -m 指定时仍需 -h 参数的问题
- 通过回调机制解决 common/plugins 循环依赖

plugins/init.go

@@ -98,6 +98,24 @@ var (
 	mutex   sync.RWMutex
 )
 
+func init() {
+	common.IsLocalMode = func(mode string) bool {
+		if mode == "" || mode == "all" {
+			return false
+		}
+		for _, name := range strings.Split(mode, ",") {
+			name = strings.TrimSpace(name)
+			if name == "" {
+				continue
+			}
+			if !HasType(name, PluginTypeLocal) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
 // RegisterWithPorts 注册带端口信息的插件
 func RegisterWithPorts(name string, factory func() Plugin, ports []int) {
 	RegisterWithTypes(name, factory, ports, []string{PluginTypeService})