fix: small fixes

cmd/agent/main.go

@@ -10,9 +10,11 @@ import (
 	"net/url"
 	"os"
 	"os/signal"
+	"strconv"
 	"syscall"
 
 	"github.com/x-grk/longpolling-remote-access/internal/agent"
+	"github.com/x-grk/longpolling-remote-access/internal/tunnel"
 )
 
 func main() {
@@ -48,7 +50,7 @@ func envOr(key, def string) string {
 	return def
 }
 
-// tunnelAddr derives the direct-tunnel address (host:8446) from the server URL.
+// tunnelAddr derives the direct-tunnel address (host:port) from the server URL.
 // It is only the starting point: the agent follows the host and port set in
 // the panel settings, unless TUNNEL_ADDR (the whole address) or TUNNEL_PORT
 // (just the port) pins it here. Set TUNNEL_ADDR=off to disable the tunnel.
@@ -63,5 +65,5 @@ func tunnelAddr(hostURL string) string {
 	if err != nil || u.Hostname() == "" {
 		return ""
 	}
-	return net.JoinHostPort(u.Hostname(), envOr("TUNNEL_PORT", "8446"))
+	return net.JoinHostPort(u.Hostname(), envOr("TUNNEL_PORT", strconv.Itoa(tunnel.DefaultPort)))
 }

cmd/server/main.go

@@ -10,16 +10,18 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"strconv"
 	"time"
 
 	"github.com/x-grk/longpolling-remote-access/internal/server"
+	"github.com/x-grk/longpolling-remote-access/internal/tunnel"
 )
 
 func main() {
 	addr := flag.String("addr", envOr("LPRA_ADDR", "127.0.0.1:8091"), "listen address (behind nginx)")
 	dbPath := flag.String("db", envOr("LPRA_DB", "lpra.db"), "path to SQLite database")
 	distDir := flag.String("dist", envOr("LPRA_DIST", "dist"), "directory with agent binaries served at /download/")
-	tunnelAddr := flag.String("tunnel", envOr("LPRA_TUNNEL_ADDR", ":8446"), "listen address for the direct TCP+UDP forward tunnel (empty disables)")
+	tunnelAddr := flag.String("tunnel", envOr("LPRA_TUNNEL_ADDR", ":"+strconv.Itoa(tunnel.DefaultPort)), "listen address for the direct TCP+UDP forward tunnel (empty disables)")
 	insecureCookies := flag.Bool("insecure-cookies", envOr("LPRA_INSECURE_COOKIES", "") == "1",
 		"do not mark cookies Secure (plain-HTTP local testing only)")
 	flag.Parse()