feat: integrate jajce world into runtime

tests/jajce_runtime_integration_test.gd

@@ -15,7 +15,34 @@ func _run() -> void:
 	simulation_manager.set_process(false)
 
 	_check(simulation_manager.npcs.size() == 3, "Baseline should create three NPCs")
-	_check(main_scene.get_node("ResourceNodes").get_child_count() == 4, "Baseline should contain four ResourceNodes")
+	_check(
+		main_scene.has_node("JajceWorld/TerrainRoot/Terrain3D"),
+		"Playable runtime should instance the Jajce Terrain3D world"
+	)
+	var terrain: Terrain3D = main_scene.get_node(
+		"JajceWorld/TerrainRoot/Terrain3D"
+	)
+	_check(
+		terrain.get_camera() == main_scene.get_node("CameraRig/Camera3D"),
+		"Runtime Terrain3D should bind to the gameplay camera"
+	)
+	_check(
+		not main_scene.has_node("World")
+		and not main_scene.has_node("ResourceNodes")
+		and not main_scene.has_node("ActivityMarkers"),
+		"Runtime should not retain duplicate flat-world objects"
+	)
+	var resource_root := main_scene.get_node(
+		"JajceWorld/WorldObjects/ResourceNodes"
+	)
+	_check(
+		resource_root.get_child_count() == 4,
+		"Runtime should contain four Jajce ResourceNodes"
+	)
+	_check(
+		simulation_manager.resource_states.size() == 4,
+		"Simulation authority should bind all four Jajce resources"
+	)
 
 	var navigation_map: RID = main_scene.get_world_3d().navigation_map
 	await _wait_for_navigation_map(navigation_map)
@@ -28,14 +55,14 @@ func _run() -> void:
 	]
 	var destinations: Array[Vector3] = []
 	for marker_path in [
-		"ActivityMarkers/PantryMarker",
-		"ActivityMarkers/GuardZone",
-		"ActivityMarkers/StudyZone",
-		"ActivityMarkers/RestZone"
+		"JajceWorld/LegacyActivityMarkers/PantryMarker",
+		"JajceWorld/LegacyActivityMarkers/GuardZone",
+		"JajceWorld/LegacyActivityMarkers/StudyZone",
+		"JajceWorld/LegacyActivityMarkers/RestZone"
 	]:
 		destinations.append(main_scene.get_node(marker_path).global_position)
 
-	for resource in main_scene.get_node("ResourceNodes").get_children():
+	for resource in resource_root.get_children():
 		destinations.append((resource as ResourceNode).interaction_point.global_position)
 
 	for origin in fixed_origins:
@@ -79,7 +106,7 @@ func _run() -> void:
 	_check(starving.is_dead, "Starvation threshold should still kill an NPC")
 
 	if failures.is_empty():
-		print("[TEST] Flat-map baseline passed: 3 NPCs, 4 resources, 24 navigation routes")
+		print("[TEST] Jajce runtime passed: 3 NPCs, 4 resources, 24 navigation routes")
 		quit(0)
 		return
 

tests/resource_node_player_parity_test.gd

@@ -14,8 +14,12 @@ func _run() -> void:
 
 	var simulation_manager := main_scene.get_node("SimulationManager")
 	var player := main_scene.get_node("Player")
-	var bush := main_scene.get_node("ResourceNodes/BerryBush_01") as ResourceNode
-	var tree := main_scene.get_node("ResourceNodes/Tree_01") as ResourceNode
+	var bush := main_scene.get_node(
+		"JajceWorld/WorldObjects/ResourceNodes/BerryBush_01"
+	) as ResourceNode
+	var tree := main_scene.get_node(
+		"JajceWorld/WorldObjects/ResourceNodes/Tree_01"
+	) as ResourceNode
 	simulation_manager.set_process(false)
 
 	var bush_state: ResourceStateRecord = simulation_manager.get_resource_state(