feat: implement StopNGoManager for phase-based gameplay and update player logic for mission tracking and movement penalties

scenes/player.gd

@@ -352,6 +352,7 @@ func _ready():
 
 @onready var floor_spawn_bot: AnimatedSprite3D = $floor_spawn_bot
 @onready var floor_spawn_top: AnimatedSprite3D = $floor_spawn_top
+@onready var vfx_scatter_knock: AnimatedSprite3D = $scatter_knock
 
 #func _input(event: InputEvent) -> void:
 	#if event.is_action_pressed("grab_item"):
@@ -369,6 +370,14 @@ func play_floor_spawn():
 	floor_spawn_bot.visible = false
 	floor_spawn_top.visible = false
 
+@rpc("any_peer", "call_local")
+func play_scatter_knock():
+	if vfx_scatter_knock:
+		vfx_scatter_knock.visible = true
+		vfx_scatter_knock.play("scatter_knock")
+		await vfx_scatter_knock.animation_finished
+		vfx_scatter_knock.visible = false
+
 func _init_managers():
 	movement_manager = load("res://scripts/managers/player_movement_manager.gd").new()
 	movement_manager.name = "MovementManager"