better version

Makefile

@@ -9,7 +9,8 @@ MAIN_GO=$(CMD_DIR)/main.go
 # Version
 VERSION?=$(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
 BUILD_TIME=$(shell date +%FT%T%z)
-LDFLAGS=-ldflags "-X main.version=$(VERSION) -X main.buildTime=$(BUILD_TIME)"
+GO_VERSION=$(shell $(GO) version | awk '{print $$3}')
+LDFLAGS=-ldflags "-X main.version=$(VERSION) -X main.buildTime=$(BUILD_TIME) -X main.goVersion=$(GO_VERSION)"
 
 # Go variables
 GO?=go

cmd/picoclaw/main.go

@@ -14,6 +14,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"time"
 
@@ -31,9 +32,28 @@ import (
 	"github.com/sipeed/picoclaw/pkg/voice"
 )
 
-const version = "0.1.0"
+var (
+	version   = "0.1.0"
+	buildTime string
+	goVersion string
+)
+
 const logo = "🦞"
 
+func printVersion() {
+	fmt.Printf("%s picoclaw v%s\n", logo, version)
+	if buildTime != "" {
+		fmt.Printf("  Build: %s\n", buildTime)
+	}
+	goVer := goVersion
+	if goVer == "" {
+		goVer = runtime.Version()
+	}
+	if goVer != "" {
+		fmt.Printf("  Go: %s\n", goVer)
+	}
+}
+
 func copyDirectory(src, dst string) error {
 	return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
 		if err != nil {
@@ -137,7 +157,7 @@ func main() {
 			skillsHelp()
 		}
 	case "version", "--version", "-v":
-		fmt.Printf("%s picoclaw v%s\n", logo, version)
+		printVersion()
 	default:
 		fmt.Printf("Unknown command: %s\n", command)
 		printHelp()