feat(commands): add interactive buttons for lang/model/mode commands

generated by llmgit

Co-Authored-By: Claude <noreply@anthropic.com>

core/engine.go

@@ -1811,7 +1811,20 @@ func (e *Engine) cmdLang(p Platform, msg *Message, args []string) {
 	if len(args) == 0 {
 		cur := e.i18n.CurrentLang()
 		name := langDisplayName(cur)
-		e.reply(p, msg.ReplyCtx, e.i18n.Tf(MsgLangCurrent, name))
+		text := e.i18n.Tf(MsgLangCurrent, name)
+		buttons := [][]ButtonOption{
+			{
+				{Text: "English", Data: "cmd:/lang en"},
+				{Text: "中文", Data: "cmd:/lang zh"},
+				{Text: "繁體中文", Data: "cmd:/lang zh-TW"},
+			},
+			{
+				{Text: "日本語", Data: "cmd:/lang ja"},
+				{Text: "Español", Data: "cmd:/lang es"},
+				{Text: "Auto", Data: "cmd:/lang auto"},
+			},
+		}
+		e.replyWithButtons(p, msg.ReplyCtx, text, buttons)
 		return
 	}
 
@@ -1896,7 +1909,26 @@ func (e *Engine) cmdModel(p Platform, msg *Message, args []string) {
 		}
 		sb.WriteString("\n")
 		sb.WriteString(e.i18n.T(MsgModelUsage))
-		e.reply(p, msg.ReplyCtx, sb.String())
+
+		// Build button rows (max 3 per row); use numeric index to stay within
+		// Telegram's 64-byte callback_data limit for long model names.
+		var buttons [][]ButtonOption
+		var row []ButtonOption
+		for i, m := range models {
+			label := m.Name
+			if m.Name == current {
+				label = "▶ " + label
+			}
+			row = append(row, ButtonOption{Text: label, Data: fmt.Sprintf("cmd:/model %d", i+1)})
+			if len(row) >= 3 {
+				buttons = append(buttons, row)
+				row = nil
+			}
+		}
+		if len(row) > 0 {
+			buttons = append(buttons, row)
+		}
+		e.replyWithButtons(p, msg.ReplyCtx, sb.String(), buttons)
 		return
 	}
 
@@ -1940,7 +1972,27 @@ func (e *Engine) cmdMode(p Platform, msg *Message, args []string) {
 			}
 		}
 		sb.WriteString(e.i18n.T(MsgModeUsage))
-		e.reply(p, msg.ReplyCtx, sb.String())
+
+		var buttons [][]ButtonOption
+		var row []ButtonOption
+		for _, m := range modes {
+			label := m.Name
+			if zhLike {
+				label = m.NameZh
+			}
+			if m.Key == current {
+				label = "▶ " + label
+			}
+			row = append(row, ButtonOption{Text: label, Data: "cmd:/mode " + m.Key})
+			if len(row) >= 2 {
+				buttons = append(buttons, row)
+				row = nil
+			}
+		}
+		if len(row) > 0 {
+			buttons = append(buttons, row)
+		}
+		e.replyWithButtons(p, msg.ReplyCtx, sb.String(), buttons)
 		return
 	}
 
@@ -2384,6 +2436,17 @@ func (e *Engine) reply(p Platform, replyCtx any, content string) {
 	}
 }
 
+// replyWithButtons sends a reply with inline buttons if the platform supports it,
+// otherwise falls back to plain text reply.
+func (e *Engine) replyWithButtons(p Platform, replyCtx any, content string, buttons [][]ButtonOption) {
+	if bs, ok := p.(InlineButtonSender); ok {
+		if err := bs.SendWithButtons(e.ctx, replyCtx, content, buttons); err == nil {
+			return
+		}
+	}
+	e.reply(p, replyCtx, content)
+}
+
 // ──────────────────────────────────────────────────────────────
 // /memory command
 // ──────────────────────────────────────────────────────────────

platform/telegram/telegram.go

@@ -258,7 +258,39 @@ func (p *Platform) handleCallbackQuery(cb *tgbotapi.CallbackQuery) {
 	answer := tgbotapi.NewCallback(cb.ID, "")
 	p.bot.Request(answer)
 
-	// Map callback data to permission response text
+	userName := cb.From.UserName
+	if userName == "" {
+		userName = strings.TrimSpace(cb.From.FirstName + " " + cb.From.LastName)
+	}
+	sessionKey := fmt.Sprintf("telegram:%d:%d", chatID, cb.From.ID)
+	rctx := replyContext{chatID: chatID, messageID: msgID}
+
+	// Command callbacks (cmd:/lang en, cmd:/mode yolo, etc.)
+	if strings.HasPrefix(data, "cmd:") {
+		command := strings.TrimPrefix(data, "cmd:")
+
+		// Edit original message: append the chosen option and remove buttons
+		origText := cb.Message.Text
+		if origText == "" {
+			origText = ""
+		}
+		edit := tgbotapi.NewEditMessageText(chatID, msgID, origText+"\n\n> "+command)
+		emptyMarkup := tgbotapi.NewInlineKeyboardMarkup()
+		edit.ReplyMarkup = &emptyMarkup
+		p.bot.Send(edit)
+
+		p.handler(p, &core.Message{
+			SessionKey: sessionKey,
+			Platform:   "telegram",
+			UserID:     userID,
+			UserName:   userName,
+			Content:    command,
+			ReplyCtx:   rctx,
+		})
+		return
+	}
+
+	// Permission callbacks (perm:allow, perm:deny, perm:allow_all)
 	var responseText string
 	switch data {
 	case "perm:allow":
@@ -272,7 +304,6 @@ func (p *Platform) handleCallbackQuery(cb *tgbotapi.CallbackQuery) {
 		return
 	}
 
-	// Edit the original message to show the choice and remove buttons
 	choiceLabel := responseText
 	switch data {
 	case "perm:allow":
@@ -287,29 +318,19 @@ func (p *Platform) handleCallbackQuery(cb *tgbotapi.CallbackQuery) {
 	if origText == "" {
 		origText = "(permission request)"
 	}
-	editText := origText + "\n\n" + choiceLabel
-	edit := tgbotapi.NewEditMessageText(chatID, msgID, editText)
+	edit := tgbotapi.NewEditMessageText(chatID, msgID, origText+"\n\n"+choiceLabel)
 	emptyMarkup := tgbotapi.NewInlineKeyboardMarkup()
 	edit.ReplyMarkup = &emptyMarkup
 	p.bot.Send(edit)
 
-	// Route as a regular message to the engine's permission handler
-	userName := cb.From.UserName
-	if userName == "" {
-		userName = strings.TrimSpace(cb.From.FirstName + " " + cb.From.LastName)
-	}
-	sessionKey := fmt.Sprintf("telegram:%d:%d", chatID, cb.From.ID)
-	rctx := replyContext{chatID: chatID, messageID: msgID}
-
-	coreMsg := &core.Message{
+	p.handler(p, &core.Message{
 		SessionKey: sessionKey,
 		Platform:   "telegram",
 		UserID:     userID,
 		UserName:   userName,
 		Content:    responseText,
 		ReplyCtx:   rctx,
-	}
-	p.handler(p, coreMsg)
+	})
 }
 
 // isDirectedAtBot checks whether a group message is directed at this bot: