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.

scripts/lore/lore_manager.gd

@@ -0,0 +1,20 @@
+extends Node
+
+# All lore IDs the player has discovered — never lost on death
+var discovered: Array[String] = []
+
+func discover(lore_id: String) -> void:
+	if lore_id not in discovered:
+		discovered.append(lore_id)
+		EventBus.lore_discovered.emit(lore_id)
+
+func has_discovered(lore_id: String) -> bool:
+	return lore_id in discovered
+
+func get_save_data() -> Array:
+	return discovered.duplicate()
+
+func load_save_data(data: Array) -> void:
+	discovered.clear()
+	for entry in data:
+		discovered.append(str(entry))