Initial commit — Station 0 vertical slice in progress

Includes full design documentation (ARCHITECTURE, DESIGN_NOTES, CONTENT_SPEC, PRODUCTION_NOTES)
and active Godot 4 / GDScript codebase. Core systems built: player, floor generation,
room system, enemy base, body part upgrades, run manager, save system, HUD, EventBus.

project.godot

@@ -0,0 +1,43 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[animation]
+
+compatibility/default_parent_skeleton_in_mesh_instance_3d=true
+
+[application]
+
+config/name="Station"
+run/main_scene="res://scenes/hub/hub.tscn"
+config/features=PackedStringArray("4.6", "Forward Plus")
+config/icon="res://assets/icon.svg"
+
+[autoload]
+
+EventBus="*res://scripts/event_bus.gd"
+GameManager="*res://scripts/game_manager.gd"
+RunManager="*res://scripts/run_manager.gd"
+SaveManager="*res://scripts/save_manager.gd"
+UpgradeManager="*res://scripts/upgrades/upgrade_manager.gd"
+CardCollection="*res://scripts/cards/card_collection.gd"
+NPCManager="*res://scripts/npcs/npc_manager.gd"
+LoreManager="*res://scripts/lore/lore_manager.gd"
+
+[display]
+
+window/size/viewport_width=1920
+window/size/viewport_height=1080
+window/stretch/mode="canvas_items"
+
+[rendering]
+
+textures/canvas_textures/default_texture_filter=0
+2d/snap/snap_2d_transforms_to_pixel=true
+2d/snap/snap_2d_vertices_to_pixel=true