Preserve approved pixel tower prototype as development baseline

data/facilities/expansion/underground_guest_room.tres

@@ -0,0 +1,24 @@
+[gd_resource type="Resource" script_class="FacilityDefinition" load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/data/facility_definition.gd" id="1"]
+
+[resource]
+script = ExtResource("1")
+id = &"underground_guest_room"
+display_name = "地下客室"
+description = "静けさと遮光を好む客や夜行性種族向けの、地下FRONT宿泊区画。"
+zone = 3
+layer = 0
+footprint = Vector2i(2, 1)
+construction_cost = {&"gold": 600, &"materials": 7}
+build_minutes = 90
+weight_per_cell = 1
+maintenance_mana = 1
+staff_min = 0
+staff_max = 0
+capacity = 2
+queue_capacity = 4
+base_service_minutes = 720
+base_quality = 58
+base_price = 140
+tags = Array[StringName]([&"expansion", &"lodging", &"night_service", &"quiet", &"underground"])