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/playable_combat_test.gd

@@ -54,7 +54,7 @@ class FakeClient extends Node:
 	func use_skill(id, vid) -> bool:
 		requests.append(["use_skill", int(id), int(vid)])
 		return in_game
-	func cast_skill(motion, rot, x, y) -> bool:
+	func cast_skill(motion, rot, x, y, _arg = 0) -> bool:
 		requests.append(["cast_skill", int(motion)])
 		return in_game
 	func quickslot_add(pos, type, ref) -> bool:
@@ -210,7 +210,9 @@ func test_single_request_per_activation() -> void:
 	tick(rig)
 	check(rig.count("use_skill") == 1 and rig.count("cast_skill") == 1,
 		"one activation sends exactly one use_skill and one cast_skill: %s" % [rig.client.requests])
-	check(rig.client.requests[0] == ["use_skill", SKILL, MOB], "use_skill carries the resolved target")
+	check(rig.client.requests[0] == ["cast_skill", 1]
+			and rig.client.requests[1] == ["use_skill", SKILL, MOB],
+		"40250 order: FUNC_SKILL action state precedes CG_USE_SKILL target intent: %s" % [rig.client.requests])
 	var casts := rig.observed("cast_started")
 	check(casts.size() == 1 and int(casts[0][1].target_vid) == MOB and casts[0][1].source == "local",
 		"cast_started is a local event bound to the cast target")
@@ -275,7 +277,9 @@ func test_dead_target_rejected_without_request() -> void:
 	check(rejected.size() == 1 and rejected[0][1].code == "CANNOT_ATTACK", "dead target -> CANNOT_ATTACK")
 	check(rig.client.requests.is_empty(), "dead target sends no skill request")
 	tick(rig, 600_000)
-	check(rig.client.requests.size() == 2 and rig.client.requests[0] == ["use_skill", SKILL, MOB_B],
+	check(rig.client.requests.size() == 2
+			and rig.client.requests[0] == ["cast_skill", 1]
+			and rig.client.requests[1] == ["use_skill", SKILL, MOB_B],
 		"flow re-targets a living monster instead of the corpse: %s" % [rig.client.requests])
 
 func test_dead_self_holds_without_request() -> void: