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/entity_rules.gd

@@ -49,6 +49,14 @@ const KIND_WARP := 4
 const KIND_BUILDING := 5
 const KIND_WOODEN_DOOR := 6
 
+# CInstanceBase::CanPickInstance / InstanceBase.h affect ordinals.
+# EntityStore carries the two affect words as one uint64 bitset.  Tests and
+# older adapters may also provide the decoded booleans/array; the helper below
+# accepts both shapes so the target gate has one authoritative implementation.
+const AFFECT_INVISIBILITY := 1
+const AFFECT_EUNHYEONG := 18
+const AFFECT_REVIVE_INVISIBILITY := 27
+
 # --- alignment（善恶）---------------------------------------------------------
 
 # CInstanceBase::GetAlignmentGrade（InstanceBase.cpp:502）
@@ -111,6 +119,49 @@ static func _is_building(e: Dictionary) -> bool:
 	return bool(e.get("building", false)) or _kind(e) == KIND_BUILDING \
 		or _kind(e) == KIND_WOODEN_DOOR
 
+static func _has_affect(e: Dictionary, affect_type: int) -> bool:
+	if bool(e.get("invisibility", false)) and affect_type == AFFECT_INVISIBILITY:
+		return true
+	if bool(e.get("eunhyeong", false)) and affect_type == AFFECT_EUNHYEONG:
+		return true
+	if bool(e.get("revive_invisibility", false)) and affect_type == AFFECT_REVIVE_INVISIBILITY:
+		return true
+	var flags := int(e.get("affect_flags", 0))
+	if affect_type < 64 and (flags & (1 << affect_type)) != 0:
+		return true
+	var affects: Variant = e.get("affects", [])
+	if affects is Array:
+		for a in affects:
+			if a is Dictionary and int(a.get("type", -1)) == affect_type:
+				return true
+	return false
+
+static func can_pick_instance(e: Dictionary, ctx: Dictionary = {}) -> bool:
+	# CInstanceBase::__IsInViewFrustum.  The native entity layer normally only
+	# exposes actors after this check; explicit false is retained for UI/script
+	# selection and headless replay fixtures.
+	if e.has("in_view_frustum") and not bool(e.get("in_view_frustum", true)):
+		return false
+	if e.has("can_pick") and not bool(e.get("can_pick", true)):
+		return false
+
+	# Door corpses are rejected by the dedicated door branch, then all dead
+	# instances are rejected by the common IsDead() branch.
+	if _is_building(e) and _kind(e) == KIND_WOODEN_DOOR and bool(e.get("dead", false)):
+		return false
+	if bool(e.get("dead", false)):
+		return false
+
+	if _is_pc(e):
+		# __MainCanSeeHiddenThing() in this 40250 build returns false, so
+		# EUNHYEONG is not pickable.  The other two invisibility affects are
+		# unconditional gates as in InstanceBase.cpp:2275-2284.
+		if _has_affect(e, AFFECT_EUNHYEONG) and not bool(ctx.get("can_see_hidden", false)):
+			return false
+		if _has_affect(e, AFFECT_REVIVE_INVISIBILITY) or _has_affect(e, AFFECT_INVISIBILITY):
+			return false
+	return true
+
 # --- killer / party / empire / duel / pvp -----------------------------------
 
 static func _is_killer(e: Dictionary) -> bool: