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_full_skill_flow.gd

@@ -1,15 +1,66 @@
 extends SceneTree
 
-# We build a test environment with GameScene, client, world, player
-func _init():
-	print("--- Starting Full Skill Flow Test ---")
+const FakeClient = preload("res://net_client_fake.gd")
+const GameScene = preload("res://game_scene.gd")
+const SkillTable = preload("res://ui/skill_table.gd")
+const Quickbar = preload("res://ui/quickbar.gd")
+
+var _fail := 0
+
+func _ck(condition: bool, message: String) -> void:
+	if not condition:
+		_fail += 1
+		printerr("FAIL: " + message)
+
+func _init() -> void:
+	await _run()
+	if _fail == 0:
+		print("PASS: test_full_skill_flow (fixture + scene + action packet order)")
+		quit(0)
+	else:
+		printerr("%d check(s) failed" % _fail)
+		quit(1)
+
+func _run() -> void:
 	var assets := AssetRoot.path()
-	var client = preload("res://net_client_fake.gd").new() if ResourceLoader.exists("res://net_client_fake.gd") else null
-	
-	# Check if GameScene can be instantiated
-	var gs = preload("res://game_scene.gd").new()
+	var client := FakeClient.new()
+	get_root().add_child(client)
+	var table := SkillTable.new()
+	var loaded := false
+	for lang in ["en", "common"]:
+		if table.load_file(assets.path_join("locale/locale/%s/skilldesc.txt" % lang)):
+			loaded = true
+			break
+	_ck(loaded, "skill table fixture loads")
+	if not loaded:
+		return
+	client.entities[2000] = {"vid": 2000, "name": "Wolf", "race": 101, "kind": 2,
+		"ch_type": 2, "pos": Vector3(1, 0, 0), "pos_cm": Vector3(100, 0, 0),
+		"hp": 100, "max_hp": 100, "dead": false}
+	client.target_vid = 2000
+
+	var host := CanvasLayer.new()
+	get_root().add_child(host)
+	var qb := Quickbar.new()
+	get_root().add_child(qb)
+	qb.setup(client, table, host, func() -> Node: return null, assets)
+	qb.assign(0, "skill", 1, false)
+	qb.activate(0)
+	_ck(client.calls.size() >= 2, "skill activation reaches fake client")
+	if client.calls.size() >= 2:
+		_ck(client.calls[0][0] == "cast_skill" and client.calls[1][0] == "use_skill",
+			"40250 order: FUNC_SKILL precedes CG_USE_SKILL")
+		_ck(client.calls[1][1] == 1 and client.calls[1][2] == 2000,
+			"skill intent carries skill id and resolved target")
+
+	var gs := GameScene.new()
 	get_root().add_child(gs)
-	
-	# Print GameScene children and setup
-	print("GameScene instantiated")
-	quit(0)
+	await gs.setup(client, "", "no_such_map")
+	await process_frame
+	_ck(gs.net_play != null and gs.player != null, "GameScene full flow is assembled")
+	_ck(gs.quickbar == null, "empty asset setup does not create a duplicate skill UI")
+	gs.queue_free()
+	qb.queue_free()
+	host.queue_free()
+	client.queue_free()
+	await process_frame