feat: W2 经济核心+数据管线+灰盒 — Balance Bible v1.0 八表逐值落地，EconomyState/sim 14 门/灰盒主场景/单测（GDScript 待本机引擎验证）

project.godot

@@ -14,10 +14,15 @@ config_version=5
 
 config/name="WRATH OF THE DEAD"
 config/description="Wrongfully dead? Raise a ghost army and fight your way back to the living world."
-run/main_scene=""
+run/main_scene="res://src/presentation/stage/stage_root.tscn"
 config/features=PackedStringArray("4.7", "GL Compatibility")
 config/icon="res://icon.svg"
 
+[autoload]
+
+DataRegistry="*res://src/game/data_registry.gd"
+GameState="*res://src/game/game_state.gd"
+
 [display]
 
 window/size/viewport_width=1280