``feat(item): 新增物品出售价格属性(SellPrice)并实现物品出售功能，优化宠物面板计算和时区判断逻辑``

logic/controller/user_friend.go

@@ -0,0 +1,13 @@
+package controller
+
+import (
+	"blazing/common/socket/errorcode"
+	"blazing/logic/service/friend"
+	"blazing/logic/service/player"
+)
+
+func (h Controller) OnSeeOnline(data *friend.SeeOnlineInboundInfo, c *player.Player) (result *friend.SeeOnlineOutboundInfo, err errorcode.ErrorCode) {
+	result = &friend.SeeOnlineOutboundInfo{}
+	result.Friends = make([]friend.OnlineInfo, 0)
+	return
+}