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/test_quest_hud_parity.gd

@@ -121,6 +121,7 @@ func _test_char_status_quest_page() -> void:
 			"counter_value": 5 if i == 0 else 0,
 			"clock_name": "限时" if i == 1 else "",
 			"clock_value": 125 if i == 1 else 0,
+			"clock_start_ms": Time.get_ticks_msec() - 121000 if i == 1 else 0,
 		})
 
 	var cs: Node = CharStatusUI.new()
@@ -142,7 +143,8 @@ func _test_char_status_quest_page() -> void:
 	_assert(cnt0 != null and cnt0.text == "击杀数 : 5", "Quest_LastCount_00 shows counter '击杀数 : 5'")
 
 	var time1 = cs._node("Quest_LastTime_01")
-	_assert(time1 != null and time1.text == "限时 02:05", "Quest_LastTime_01 formats 125s as '限时 02:05'")
+	_assert(time1 != null and time1.text == "限时 00:04",
+		"Quest_LastTime_01 derives remaining time from the captured quest start (got %s)" % (time1.text if time1 else "<missing>"))
 
 	# Click on Quest_Name_00: should send script_button(-2147483648 + 100)
 	var ev := InputEventMouseButton.new()