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/ui/skill_ui.gd

@@ -46,6 +46,15 @@ func setup(m2client: Node, skill_table: RefCounted, ui_manager: CanvasLayer) ->
 	ui = ui_manager
 	if client.has_signal("skills_changed"):
 		client.skills_changed.connect(refresh)
+	if client.has_signal("point_changed"):
+		client.point_changed.connect(_on_point_changed)
+
+func _on_point_changed(_vid: int, point_type: int, _value: int, _amount: int) -> void:
+	# 40250 RecvPointChange refreshes the skill window when level/four-stat,
+	# active/support/horse points change.  Keep the window's rows and plus
+	# buttons live even when no GC_SKILL_LEVEL packet follows the point update.
+	if point_type in [1, 12, 13, 14, 15, 27, 28, 112, 113] and is_open():
+		refresh()
 
 func set_job(j: String) -> void:
 	job = j