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_exp_fly_parity.gd

@@ -12,10 +12,10 @@ func _init() -> void:
 	var fails: int = 0
 
 	# 1. 验证 40250 FLY 常量与编号映射
-	if FlyObject.FLY_EXP != 0:
-		printerr("FAIL: FLY_EXP 应为 0，实际为: ", FlyObject.FLY_EXP)
+	if FlyObject.FLY_EXP != 1:
+		printerr("FAIL: FLY_EXP 应为 1，实际为: ", FlyObject.FLY_EXP)
 		fails += 1
-	if FlyObject.FLY_HP_SMALL != 1 or FlyObject.FLY_SP_SMALL != 4:
+	if FlyObject.FLY_HP_SMALL != 15 or FlyObject.FLY_SP_SMALL != 4:
 		printerr("FAIL: FLY_HP/SP 常量映射错误")
 		fails += 1
 
@@ -68,7 +68,7 @@ func _init() -> void:
 		printerr("FAIL: 经验球命中后未从活跃队列销毁！")
 		fails += 1
 
-	# 3. 验证 net_world._on_fly(FLY_EXP) 生成 3 颗聚能光球
+	# 3. 验证 net_world._on_fly(FLY_EXP) 按 40250 CreateIndexedFly 生成 1 颗聚能光球
 	var nw := NetWorld.new()
 	mount.add_child(nw)
 	nw.parent = mount
@@ -90,11 +90,15 @@ func _init() -> void:
 	mount.add_child(player_node)
 	nw.set_local_node(player_node)
 	nw.set_local_vid(1)
+	# The local actor is owned by GameScene rather than _by_vid.  During the
+	# first GC_CREATE_FLY after a phase transition the EntityStore row may not
+	# have been mirrored yet; 40250 still resolves the main instance directly.
+	fake_client.ents.erase(1)
 
-	# 触发 40250 官方 _on_fly(0, 100, 1)
+	# 触发 40250 官方 _on_fly(FLY_EXP, 100, 1)
 	nw._on_fly(FlyObject.FLY_EXP, 100, 1)
-	if mgr.active_count() != 3:
-		printerr("FAIL: _on_fly(FLY_EXP) 应发射 3 颗经验聚能光球，实际: ", mgr.active_count())
+	if mgr.active_count() != 1:
+		printerr("FAIL: _on_fly(FLY_EXP) 应按一次 GC_CREATE_FLY 发射 1 颗经验聚能光球，实际: ", mgr.active_count())
 		fails += 1
 	for orb in mgr._instances:
 		if not orb._is_object or orb._target_obj != player_node:
@@ -102,11 +106,35 @@ func _init() -> void:
 			fails += 1
 			break
 
+	# 40250 RecvCreateFlyPacket requires both CInstanceBase pointers.  A stale
+	# EntityStore row is not enough to create a visual projectile when the
+	# remote scene node has not been built yet.
+	mgr.clear_for_map_change()
+	fake_client.ents[2] = {"vid": 2, "pos": Vector3(6, 0, 0)}
+	nw._on_fly(FlyObject.FLY_EXP, 100, 2)
+	if mgr.active_count() != 0:
+		printerr("FAIL: 远端终点节点缺失时不应仅凭 EntityStore 坐标创建飞行物")
+		fails += 1
+	fake_client.ents.erase(2)
+
+	var saved_mob_node: Node3D = nw._by_vid[100]
+	nw._by_vid.erase(100)
+	nw._on_fly(FlyObject.FLY_EXP, 100, 1)
+	if mgr.active_count() != 0:
+		printerr("FAIL: 远端起点节点缺失时不应创建飞行物")
+		fails += 1
+	nw._by_vid[100] = saved_mob_node
+
 	# 清空飞行物
 	for i in range(50):
 		mgr.step(0.02)
 		if mgr.active_count() == 0:
 			break
+	# The indexed EXP resource intentionally starts with a spreading phase and
+	# only enables homing at one second; isolate the offline helper assertion
+	# from that server-created instance instead of assuming the old synthetic
+	# speed reaches the target in 1s.
+	mgr.clear_for_map_change()
 
 	# 4. 验证 net_world.spawn_exp_fly 接口
 	nw.spawn_exp_fly(Vector3(2, 0, 2), player_node, 3)
@@ -139,7 +167,23 @@ func _init() -> void:
 		printerr("FAIL: POINT_EXP 不应重复生成经验光球，实际数量: ", mgr.active_count())
 		fails += 1
 
-	mount.queue_free()
+	# All flying instances are now test-owned and no longer needed. Break the
+	# manager's handler/target cycles before synchronously destroying the fixture;
+	# this mirrors CFlyingManager::DeleteAllInstances before application exit.
+	mgr.clear_for_map_change()
+	if is_instance_valid(pc):
+		pc.free()
+	mount.free()
+	# Do not keep RefCounted fixtures alive on the _init stack until quit().
+	d = null
+	inst = null
+	player_target = null
+	nw = null
+	np = null
+	pc = null
+	mgr = null
+	mount = null
+	await process_frame
 
 	if fails == 0:
 		print("PASS: test_exp_fly_parity (6/6 全部通过)")