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/weapon_trace_reach_affect_parity_test.gd

@@ -0,0 +1,51 @@
+# weapon_trace_reach_affect_parity_test —— 40250 AFFECT_GEOMGYEONG。
+#
+# InstanceBaseEffect.cpp::__Warrior_SetGeomgyeongAffect 在开启铁剑气时把
+# CActorInstance::SetReachScale 设为 1.5，关闭时恢复 1.0；该值同时被
+# WeaponTrace::Update 与攻击碰撞使用。
+extends SceneTree
+
+const PlayerView = preload("res://ui/player_view.gd")
+
+var _fail := 0
+
+func _ck(condition: bool, message: String) -> void:
+	if not condition:
+		_fail += 1
+		printerr("FAIL: " + message)
+
+func _run() -> void:
+	var pv := PlayerView.new()
+	root.add_child(pv)
+	await process_frame
+
+	var model := Node3D.new()
+	var weapon := MeshInstance3D.new()
+	weapon.name = "Weapon"
+	var box := BoxMesh.new()
+	box.size = Vector3(0.1, 0.1, 1.0)
+	weapon.mesh = box
+	model.add_child(weapon)
+	pv.add_child(model)
+	pv.model = model
+	pv._refresh_weapon_trace()
+
+	pv.set_affect(15, true, null)
+	var enabled: Dictionary = pv.weapon_trace_state()
+	_ck(is_equal_approx(float(enabled.get("reach_scale", 0.0)), 1.5),
+		"AFFECT_GEOMGYEONG sets WeaponTrace reach scale to 1.5")
+
+	pv.set_affect(15, false, null)
+	var disabled: Dictionary = pv.weapon_trace_state()
+	_ck(is_equal_approx(float(disabled.get("reach_scale", 0.0)), 1.0),
+		"removing AFFECT_GEOMGYEONG restores WeaponTrace reach scale to 1.0")
+
+	if _fail == 0:
+		print("PASS: weapon_trace_reach_affect_parity_test (Geomgyeong reach scale)")
+		quit(0)
+	else:
+		printerr("%d check(s) failed" % _fail)
+		quit(1)
+
+func _init() -> void:
+	call_deferred("_run")