Add another gym about scene switching

docs/gyms/cross-timeline-interactions/gym_controller.gd

@@ -20,6 +20,13 @@ func _ready() -> void:
 	# Connect to variable changes to watch for demo variables
 	Dialogic.VAR.variable_changed.connect(_on_variable_changed)
 
+	# Check if we're returning from the gym09 minigame
+	if Dialogic.VAR.Gym.minigame_done:
+		print("[Gym Controller] Returning from minigame — starting congrats timeline.")
+		Dialogic.VAR.Gym.minigame_done = false
+		Dialogic.start("gym09_congrats")
+		return
+
 	# Start the hub timeline
 	Dialogic.start(start_timeline)
 
@@ -49,6 +56,14 @@ func _on_dialogic_signal(argument: Variant) -> void:
 		Dialogic.end_timeline()
 		Dialogic.start_timeline("gym_pattern4_signal_target")
 
+	elif argument is String and argument == "start_minigame":
+		# Gym 09: Scene switching demo
+		# Store the return path so the minigame knows where to come back to
+		Dialogic.VAR.Gym.minigame_return = "hub"
+		print("[Gym Controller] Signal 'start_minigame' — switching to minigame scene.")
+		await get_tree().create_timer(0.3).timeout
+		get_tree().change_scene_to_file("res://docs/gyms/gym09_scene_switching/gym09_minigame.tscn")
+
 #endregion