修复转发跳收藏；修复若干小bug

internal/telegram/bot.go

@@ -51,6 +51,7 @@ func (b *Bot) setupRoutes() {
 	// Category management
 	adminOnly.Handle("/cat_add", b.handleCatAdd)
 	adminOnly.Handle("/cat_del", b.handleCatDel)
+	adminOnly.Handle("/cat_rename", b.handleCatRename)
 	adminOnly.Handle("/cat_list", b.handleCatList)
 
 	// Post flow
@@ -97,6 +98,7 @@ func (b *Bot) setCommands() {
 		{Text: "cat_list", Description: "分类列表"},
 		{Text: "cat_add", Description: "添加分类 <名称> [排序]"},
 		{Text: "cat_del", Description: "删除分类 <名称>"},
+		{Text: "cat_rename", Description: "重命名分类 <旧名称> <新名称>"},
 		{Text: "del", Description: "删除条目 <ID>"},
 		{Text: "edit", Description: "编辑标题 <ID> <新标题>"},
 		{Text: "move", Description: "移动条目 <ID> <新分类>"},