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/screen_hp_bar_test.gd

@@ -86,13 +86,14 @@ func _run() -> void:
 	entity["dead"] = true
 	client.vitals_changed.emit(2)
 	await process_frame
-	_ck(not bar.visible, "dead entity hides screen bar")
+	_ck(nw._hp_bars.get(2, null) == null, "dead entity removes screen bar")
 
 	entity["dead"] = false
 	entity["pos"] = Vector3(0, 0, -12)
-	client.vitals_changed.emit(2)
+	client.entity_info.emit(2, entity)
 	await process_frame
-	_ck(not bar.visible, "entity behind camera hides screen bar")
+	var behind_bar := nw._hp_bars.get(2, null) as Control
+	_ck(behind_bar != null and not behind_bar.visible, "entity behind camera hides screen bar")
 
 	nw.clear_for_map_change()
 	_ck(nw._hp_bars.is_empty(), "map change clears screen bars")