feat: 在 actionManager 中添加等待机制，确保在发送消息前 bot 已启动；新增初始化处理程序以发送初始化完成消息

handler/init/init.go

@@ -0,0 +1,18 @@
+package init
+
+import (
+	"git.lxtend.com/qqbot/action"
+	"git.lxtend.com/qqbot/config"
+	"git.lxtend.com/qqbot/model"
+)
+
+func init() {
+	action.ActionManager.SendMsg(model.Reply{
+		ReplyMsg: "初始化完成",
+		FromMsg: model.Message{
+			GroupInfo: model.GroupInfo{
+				GroupId: config.ConfigManager.GetConfig().Management.ReportGroup,
+			},
+		},
+	})
+}