Enha: flag to pass model name

bot.go

@@ -1774,6 +1774,7 @@ func init() {
 	// parse flags
 	flag.BoolVar(&cfg.CLIMode, "cli", false, "Run in CLI mode without TUI")
 	flag.BoolVar(&cfg.ToolUse, "tools", true, "run with tools")
+	flag.StringVar(&cfg.CurrentModel, "model", "modelname", "name of the model to use")
 	flag.StringVar(&cliCardPath, "card", "", "Path to syscard JSON file")
 	flag.BoolVar(&cliContinue, "continue", false, "Continue from last chat (by agent or card)")
 	flag.StringVar(&cliMsg, "msg", "", "Send message and exit (one-shot mode)")
@@ -1781,6 +1782,7 @@ func init() {
 	if !cfg.CLIMode {
 		initTUI()
 	}
+	chatBody.Model = cfg.CurrentModel
 	go updateModelLists()
 	tools.InitTools(cfg, logger, store)
 	// tooler = tools.InitTools(cfg, logger, store)