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/net_world_motion_event_test.gd

@@ -0,0 +1,44 @@
+# net_world_motion_event_test —— every real remote actor exposes the native
+# MotionEvent detailed signal through NetWorld, without creating client shots.
+extends SceneTree
+
+const NetWorld = preload("res://net_world.gd")
+
+class Anim extends Node:
+	signal motion_event_detailed(event: Dictionary)
+
+class Actor extends Node3D:
+	var anim := Anim.new()
+	func _init() -> void:
+		add_child(anim)
+
+var failures := 0
+
+func check(ok: bool, label: String) -> void:
+	if not ok:
+		failures += 1
+		printerr("FAIL: " + label)
+
+func _init() -> void:
+	call_deferred("run")
+
+func run() -> void:
+	var world := NetWorld.new()
+	var actor := Actor.new()
+	get_root().add_child(world)
+	get_root().add_child(actor)
+	var seen: Array = []
+	world.actor_motion_event.connect(func(vid: int, event: Dictionary): seen.append([vid, event]))
+	world._connect_actor_motion_events(actor, 42)
+	actor.anim.motion_event_detailed.emit({"type": 1, "effect": "remote.mse"})
+	check(seen.size() == 1 and seen[0][0] == 42 and seen[0][1].effect == "remote.mse",
+			"remote actor detailed motion event reaches NetWorld")
+	world._connect_actor_motion_events(actor, 42)
+	actor.anim.motion_event_detailed.emit({"type": 8})
+	check(seen.size() == 2, "remote animator is connected only once")
+	world.free()
+	actor.free()
+	await process_frame
+	if failures == 0:
+		print("PASS: net_world_motion_event_test")
+	quit(1 if failures else 0)