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/race_motion_assembly_test.gd

@@ -33,8 +33,17 @@ func run() -> void:
 				"race %d: hair is from a different resource family" % race)
 		for motion in ["wait", "walk", "run", "attack", "damage", "dead"]:
 			pv.set_anim_state(motion)
-			# damage is registered as two equal-weight variants (damage / damage_1).
-			var variants: Array = PlayerView.REACTION_FILES.get(motion, [motion])
+			# RaceData can select weighted variants; assert the registered basename,
+			# not one random sample from the vector.
+			var variants: Array = [motion]
+			if motion == "wait":
+				variants = ["wait", "wait_1", "wait_2"]
+			elif motion == "attack":
+				variants = ["attack", "attack_1"]
+			elif motion == "damage":
+				variants = ["damage", "damage_1"]
+			elif motion == "dead":
+				variants = ["dead"]
 			check(String(pv.anim.get("anim_path")).get_file().get_basename() in variants,
 					"race %d: missing %s motion" % [race, motion])
 			for fraction in [0.0, 0.5, 1.0]: