chore: 清理未使用的死代码

- 删除plugins/local/connector.go中未使用的GetCommonDirectories和GetSensitiveFiles函数
- 移除整个connector.go文件，因为其只包含死代码
- 通过deadcode工具验证，确保代码库整洁

Plugins/local/connector.go

@@ -1,79 +0,0 @@
-package local
-
-import (
-	"os"
-	"runtime"
-	"path/filepath"
-)
-
-// 本地插件实用工具函数
-// 由于移除了LocalConnector概念，这个文件现在包含实用的工具函数
-
-// GetCommonDirectories 获取常见目录路径 - 实用工具函数
-func GetCommonDirectories() []string {
-	var dirs []string
-	
-	homeDir, _ := os.UserHomeDir()
-	
-	switch runtime.GOOS {
-	case "windows":
-		dirs = []string{
-			homeDir,
-			filepath.Join(homeDir, "Desktop"),
-			filepath.Join(homeDir, "Documents"),
-			filepath.Join(homeDir, "Downloads"),
-			"C:\\Users\\Public\\Documents",
-			"C:\\Users\\Public\\Desktop", 
-			"C:\\Program Files",
-			"C:\\Program Files (x86)",
-		}
-	case "linux", "darwin":
-		dirs = []string{
-			homeDir,
-			filepath.Join(homeDir, "Desktop"),
-			filepath.Join(homeDir, "Documents"),
-			filepath.Join(homeDir, "Downloads"),
-			"/opt",
-			"/usr/local",
-			"/var/www",
-			"/var/log",
-		}
-	}
-	
-	return dirs
-}
-
-// GetSensitiveFiles 获取敏感文件路径 - 实用工具函数
-func GetSensitiveFiles() []string {
-	var files []string
-	
-	homeDir, _ := os.UserHomeDir()
-	
-	switch runtime.GOOS {
-	case "windows":
-		files = []string{
-			"C:\\boot.ini",
-			"C:\\windows\\system32\\inetsrv\\MetaBase.xml",
-			"C:\\windows\\repair\\sam", 
-			"C:\\windows\\system32\\config\\sam",
-			filepath.Join(homeDir, "AppData", "Local", "Google", "Chrome", "User Data", "Default", "Login Data"),
-			filepath.Join(homeDir, "AppData", "Local", "Microsoft", "Edge", "User Data", "Default", "Login Data"),
-			filepath.Join(homeDir, "AppData", "Roaming", "Mozilla", "Firefox", "Profiles"),
-		}
-	case "linux", "darwin":
-		files = []string{
-			"/etc/passwd",
-			"/etc/shadow", 
-			"/etc/hosts",
-			"/etc/ssh/ssh_config",
-			"/root/.ssh/id_rsa",
-			"/root/.ssh/authorized_keys",
-			"/root/.bash_history",
-			filepath.Join(homeDir, ".ssh/id_rsa"),
-			filepath.Join(homeDir, ".ssh/authorized_keys"),
-			filepath.Join(homeDir, ".bash_history"),
-		}
-	}
-	
-	return files
-}