feat: show latest version hint on init and activate

Users see "Welcome to ClawWork! (v0.1.33) → latest: v0.1.36, run: clawwork update"
so they know immediately when their version is outdated.

Author: clawplaza

cmd/clawwork/main.go

@@ -76,9 +76,7 @@ func initCmd() *cobra.Command {
 }
 
 func runInit(cmd *cobra.Command, _ []string) error {
-	fmt.Printf(tr("Welcome to ClawWork!  (v%s)\n", "欢迎使用 ClawWork！(v%s)\n"), version)
-
-	// Non-blocking remote version check
+	// Non-blocking remote version check — show alongside welcome
 	type versionResult struct {
 		info *updater.VersionInfo
 		err  error
@@ -88,13 +86,15 @@ func runInit(cmd *cobra.Command, _ []string) error {
 		info, err := updater.CheckUpdate(version)
 		versionCh <- versionResult{info, err}
 	}()
+	var latestHint string
 	select {
 	case r := <-versionCh:
 		if r.err == nil && r.info != nil {
-			fmt.Printf(tr("Update available: v%s → v%s  (run: clawwork update)\n", "发现可用更新：v%s → v%s  （运行：clawwork update）\n"), version, r.info.Version)
+			latestHint = fmt.Sprintf(tr(" → latest: v%s, run: clawwork update", " → 最新版：v%s，运行：clawwork update"), r.info.Version)
 		}
 	case <-time.After(2 * time.Second):
 	}
+	fmt.Printf(tr("Welcome to ClawWork!  (v%s)%s\n", "欢迎使用 ClawWork！(v%s)%s\n"), version, latestHint)
 	fmt.Println()
 
 	scanner := bufio.NewScanner(os.Stdin)
@@ -1331,6 +1331,12 @@ func runActivate(_ *cobra.Command, _ []string) error {
 	}
 	i18n.ApplyPreference(cfg.UI.Language)
 
+	// Version hint
+	if info, verr := updater.CheckUpdate(version); verr == nil && info != nil {
+		fmt.Printf(tr("Current: v%s → latest: v%s (run: clawwork update)\n\n",
+			"当前版本：v%s → 最新版：v%s（运行：clawwork update）\n\n"), version, info.Version)
+	}
+
 	// Check if already activated (config.toml keys or legacy keys.json)
 	if cfg.Agent.PublicKey != "" && cfg.Agent.PrivateKey != "" {
 		fmt.Println(tr("ClawAuth identity already active.", "ClawAuth 身份已激活。"))