refactor: 合并 avdetect 到 systeminfo，修复杀软检测误报

- 将 avdetect 的进程匹配逻辑合并到 systeminfo 插件
- 修复进程匹配使用 Contains 导致大量误报，改为精确匹配
- 修正 auto.json 中 Microsoft Security Essentials 为 Microsoft Defender
- 使用 map 索引优化进程匹配性能
- 清理废弃的 envinfo/avdetect i18n key

common/flag.go

@@ -113,7 +113,7 @@ func Flag(Info *HostInfo) error {
 	flag.Int64Var(&fv.GlobalTimeout, "gt", 180, i18n.GetText("flag_global_timeout"))
 	flag.BoolVar(&fv.DisablePing, "np", false, i18n.GetText("flag_disable_ping"))
 	flag.BoolVar(&fv.DisableTcpProbe, "ntp", false, i18n.GetText("flag_disable_tcp_probe"))
-	flag.StringVar(&fv.LocalPlugin, "local", "", "指定本地插件名称 (如: cleaner, avdetect, keylogger 等)")
+	flag.StringVar(&fv.LocalPlugin, "local", "", "指定本地插件名称 (如: cleaner, systeminfo, keylogger 等)")
 	flag.BoolVar(&fv.AliveOnly, "ao", false, i18n.GetText("flag_alive_only"))
 
 	// ═════════════════════════════════════════════════

common/i18n/locales/en.yaml

@@ -564,9 +564,6 @@ keylogger_save_failed:
 keylogger_no_input:
   other: "No keyboard input captured"
 
-# Environment info
-envinfo_sensitive:
-  other: "Found sensitive environment variable: {{.Arg1}}"
 
 # Windows WMI
 winwmi_success:
@@ -594,16 +591,6 @@ forwardshell_client_connected:
 forwardshell_read_failed:
   other: "Failed to read client command: {{.Arg1}}"
 
-# AV detection
-avdetect_load_failed:
-  other: "Failed to load AV database: {{.Arg1}}"
-avdetect_loaded:
-  other: "Loaded {{.Arg1}} AV product info"
-avdetect_found:
-  other: "Detected AV: {{.Arg1}} ({{.Arg2}} processes)"
-avdetect_process:
-  other: "  - {{.Arg1}}"
-
 # Windows startup folder
 winstartup_success:
   other: "Windows startup folder persistence completed: {{.Arg1}} methods"
@@ -709,6 +696,8 @@ systeminfo_patches:
   other: "Installed Patches: {{.Arg1}}"
 systeminfo_antivirus:
   other: "Antivirus Detected: {{.Arg1}}"
+systeminfo_av_process:
+  other: "  - {{.Arg1}}"
 systeminfo_sudo:
   other: "Sudo Privileges: {{.Arg1}}"
 systeminfo_macos_detail:

common/i18n/locales/zh.yaml

@@ -564,10 +564,6 @@ keylogger_save_failed:
 keylogger_no_input:
   other: "没有捕获到键盘输入"
 
-# 环境变量信息
-envinfo_sensitive:
-  other: "发现敏感环境变量: {{.Arg1}}"
-
 # Windows WMI
 winwmi_success:
   other: "Windows WMI事件订阅持久化完成: {{.Arg1}}个项目"
@@ -594,16 +590,6 @@ forwardshell_client_connected:
 forwardshell_read_failed:
   other: "读取客户端命令失败: {{.Arg1}}"
 
-# AV检测
-avdetect_load_failed:
-  other: "加载AV数据库失败: {{.Arg1}}"
-avdetect_loaded:
-  other: "加载了 {{.Arg1}} 个AV产品信息"
-avdetect_found:
-  other: "检测到AV: {{.Arg1}} ({{.Arg2}}个进程)"
-avdetect_process:
-  other: "  - {{.Arg1}}"
-
 # Windows启动文件夹
 winstartup_success:
   other: "Windows启动文件夹持久化完成: {{.Arg1}}个方法"
@@ -709,6 +695,8 @@ systeminfo_patches:
   other: "已安装补丁: {{.Arg1}}个"
 systeminfo_antivirus:
   other: "检测到杀软: {{.Arg1}}"
+systeminfo_av_process:
+  other: "  - {{.Arg1}}"
 systeminfo_sudo:
   other: "sudo权限: {{.Arg1}}"
 systeminfo_macos_detail: