feat: 新增 svc.list/log.list 命令

svc.list 列出所有服务（systemctl/launchctl/sc）
log.list 列出可用日志来源（journalctl/日志目录/wevtutil）

internal/executor/builtin.go

@@ -59,6 +59,7 @@ var builtins = map[string]Builtin{
 	"java.run":           runJavaRun,
 	"java.run.preview":   runJavaPreview,
 	"log.last":           runLogLast,
+	"log.list":           runLogList,
 	"log.search":         runLogSearch,
 	"net.conn":           runNetConn,
 	"net.curl":           runNetCurl,
@@ -77,6 +78,7 @@ var builtins = map[string]Builtin{
 	"proc.wait":          runProcWait,
 	"svc.disable":        runSvcDisable,
 	"svc.enable":         runSvcEnable,
+	"svc.list":           runSvcList,
 	"svc.logs":           runSvcLogs,
 	"svc.status":         runSvcStatus,
 	"sysinfo":            runSysInfo,