add go version

packages/tui/cmd/opencode/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"log/slog"
 	"os"
 	"path/filepath"
@@ -16,7 +17,10 @@ import (
 	"github.com/sst/opencode/pkg/client"
 )
 
+var Version = "dev"
+
 func main() {
+	fmt.Println(Version)
 	url := os.Getenv("OPENCODE_SERVER")
 	httpClient, err := client.NewClientWithResponses(url)
 	if err != nil {