fix

src/scenes/streaming/streaming_world_loader.gd

@@ -257,6 +257,7 @@ func _ready() -> void:
 		_position_camera_over_world()
 
 	set_process(true)
+	call_deferred("_refresh_streaming_targets_after_ready")
 
 
 func _process(delta: float) -> void:
@@ -607,6 +608,15 @@ func _refresh_streaming_targets(force: bool) -> void:
 	_refresh_streaming_targets_at(camera.global_position, force)
 
 
+func _refresh_streaming_targets_after_ready() -> void:
+	var camera := _get_stream_camera()
+	if camera == null:
+		return
+	_terrain_root.position = Vector3.ZERO
+	_has_refresh_focus = false
+	_refresh_streaming_targets_at(camera.global_position, false)
+
+
 ## Core streaming update — works for both game (camera pos) and editor (preview center pos).
 func _refresh_editor_streaming_targets_at(focus_pos: Vector3, force: bool) -> void:
 	if not force and not _should_refresh_focus(focus_pos):
@@ -2053,6 +2063,7 @@ func _finalize_loaded_tile(request: Dictionary, data: Dictionary) -> void:
 	state["desired_tile_lod"] = -1 if not state["desired_lods"].is_empty() else _compute_desired_tile_lod(state, _last_focus_pos)
 	state["desired_tile_lod_visible"] = _compute_desired_tile_lod_visible(state, _last_focus_pos)
 	_tile_states[key] = state
+	state = _sync_terrain_quality(state, _last_focus_pos)
 	state = _sync_detail_assets(state, _last_focus_pos)
 	_tile_states[key] = state
 	_rebuild_chunk_queues()
@@ -2199,6 +2210,7 @@ func _finalize_loaded_streaming_tile(request: Dictionary, stream_tile: Resource)
 	state["desired_tile_lod"] = _compute_desired_tile_lod(state, _last_focus_pos)
 	state["desired_tile_lod_visible"] = _compute_desired_tile_lod_visible(state, _last_focus_pos)
 	_tile_states[key] = state
+	state = _sync_terrain_quality(state, _last_focus_pos)
 	state = _sync_detail_assets(state, _last_focus_pos)
 	_tile_states[key] = state
 	_rebuild_chunk_queues()