fix: 装备属性面板避让逻辑 + 多项功能更新

- item_tooltip_view.gd: 新增 avoid_rect 属性，tooltip 与装备窗口重叠时自动推到左侧
- inventory_ui.gd: 悬停装备时传入窗口矩形作为避让区域
- 包含其他累积的功能开发和测试文件

project/item_split_system.gd

@@ -5,15 +5,18 @@ extends RefCounted
 
 signal item_split(source_slot: int, target_slot: int, split_count: int)
 signal item_quick_sold(slot_idx: int, gold_received: int, item_name: String)
-
-const DEFAULT_ITEM_SALE_UNIT_PRICE := 100 # 默认单件基础回收金币
+signal item_split_requested(source_slot: int, target_slot: int, split_count: int)
+signal item_quick_sell_requested(slot_idx: int, count: int, item_name: String)
 
 # 堆叠精准拆分 (Shift + 左键)
 func split_item(
 	source_slot: int,
 	split_count: int,
 	target_slot: int,
-	inventory: Array
+	inventory: Array,
+	client: Node = null,
+	source_window: int = 1,
+	target_window: int = 1
 ) -> Dictionary:
 	if source_slot < 0 or source_slot >= inventory.size():
 		return {"ok": false, "reason": "INVALID_SOURCE_SLOT", "msg": "无效的源栏位！"}
@@ -48,29 +51,34 @@ func split_item(
 	if inventory[dest_slot] != null:
 		return {"ok": false, "reason": "DEST_SLOT_NOT_EMPTY", "msg": "目标栏位已被占用！"}
 
-	# 执行拆分
-	source_item["count"] = current_count - split_count
+	# 40250 does not edit CPythonPlayer's item array optimistically. Splitting
+	# is an ordinary CG_ITEM_MOVE(source, destination, count); both resulting
+	# counts arrive later through GC_ITEM_UPDATE/SET. Keep this helper from
+	# becoming a second local authority when it is used by desktop or mobile UI.
+	if client == null or not client.has_method("move_item"):
+		return {"ok": false, "reason": "NETWORK_CLIENT_REQUIRED", "msg": "拆分需要连接服务器确认！"}
+	if not client.move_item(source_window, source_slot, target_window, dest_slot, split_count):
+		return {"ok": false, "reason": "SEND_FAILED", "msg": "拆分请求发送失败！"}
 
-	var new_stack = source_item.duplicate(true)
-	new_stack["count"] = split_count
-	inventory[dest_slot] = new_stack
-
-	item_split.emit(source_slot, dest_slot, split_count)
+	item_split_requested.emit(source_slot, dest_slot, split_count)
 
 	return {
 		"ok": true,
+		"pending": true,
 		"source_slot": source_slot,
 		"target_slot": dest_slot,
-		"remaining_source": source_item["count"],
+		"remaining_source": current_count - split_count,
 		"split_count": split_count,
-		"msg": "成功拆分出 %d 件物品！" % split_count
+		"msg": "已发送拆分请求，等待服务器确认！"
 	}
 
 # 快捷批量出售给商人 (Ctrl + 右键)
 func quick_sell_item(
 	slot_idx: int,
 	inventory: Array,
-	player_data: Dictionary
+	player_data: Dictionary,
+	client: Node = null,
+	window: int = 1
 ) -> Dictionary:
 	if slot_idx < 0 or slot_idx >= inventory.size():
 		return {"ok": false, "reason": "INVALID_SLOT", "msg": "无效的栏位！"}
@@ -82,24 +90,28 @@ func quick_sell_item(
 	# 加锁保护
 	if item.get("is_locked", false):
 		return {"ok": false, "reason": "ITEM_LOCKED", "msg": "已加锁的物品严禁出售！"}
+	if window != 1:
+		return {"ok": false, "reason": "INVALID_SELL_WINDOW", "msg": "只能出售背包中的物品！"}
 
 	var count: int = int(item.get("count", 1))
-	var unit_price: int = int(item.get("sale_price", DEFAULT_ITEM_SALE_UNIT_PRICE))
-	var total_gold := unit_price * count
+	# 40250's SELL/SELL2 response supplies the authoritative price and the
+	# subsequent item/gold updates. Do not use sale_price/player_data as a local
+	# substitute for the server result.
+	if client == null or not client.has_method("shop_sell"):
+		return {"ok": false, "reason": "NETWORK_CLIENT_REQUIRED", "msg": "出售需要连接服务器确认！"}
+	if not client.shop_sell(slot_idx, count):
+		return {"ok": false, "reason": "SEND_FAILED", "msg": "出售请求发送失败！"}
 
-	# 增加金币并清空格子
-	player_data["gold"] = int(player_data.get("gold", 0)) + total_gold
 	var iname: String = item.get("name", "物品")
-	inventory[slot_idx] = null
-
-	item_quick_sold.emit(slot_idx, total_gold, iname)
+	item_quick_sell_requested.emit(slot_idx, count, iname)
 
 	return {
 		"ok": true,
+		"pending": true,
 		"slot_idx": slot_idx,
-		"gold_received": total_gold,
+		"count": count,
 		"item_name": iname,
-		"msg": "已快捷出售【%s x%d】，获得 %d 金币！" % [iname, count, total_gold]
+		"msg": "已发送出售请求，等待服务器确认！"
 	}
 
 # 高价值物品丢弃/销毁防误触检查