fix: cardboard can now be opened.

src/logic-scenes/board/card-board.gd

@@ -27,6 +27,7 @@ var focus_stickies:bool = true:
 
 var focused := false:
 	set(focus):
+		var was_focused := focused
 		if focus:
 			focused = true
 			get_tree().call_group("interactables", "collapse")
@@ -44,6 +45,9 @@ var focused := false:
 					if sticky is StickyNote:
 						sticky.is_dragged = false
 		visible = focused
+		# Emit closed signal when transitioning from focused to unfocused
+		if was_focused and not focused:
+			closed.emit()
 
 
 @onready var dropzone := $HBoxContainer/dropzone
@@ -131,6 +135,7 @@ var last_save_dict: Dictionary
 var text_recovery: Dictionary
 
 signal board_completed
+signal closed
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
@@ -576,6 +581,13 @@ func on_scene_skipped(i: int):
 func claim_focus():
 	focused = true
 
+
+## Awaitable function to show the board and wait until user closes it
+func play() -> void:
+	focused = true
+	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	await closed
+
 func find_first_free_card() -> int:
 	for i in range(dropzone.get_child_count()):
 		# start searching at the current location, use modulo to avoid getting out of array bounds

src/logic-scenes/board/card.gd

@@ -230,7 +230,7 @@ func _move_card():
 		position += (get_viewport().get_mouse_position() - position) - mouse_offset
 
 func has_sticky_note_attached() -> bool:
-	return get_child_count(false) > 0
+	return get_attached_sticky_note() != null
 
 func get_attached_sticky_note() -> StickyNote:
 	for child in get_children(false):