fix: can now attach notes

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

@@ -204,14 +204,13 @@ func is_in_dropzone(to_check: Draggable) -> bool:
 
 # Called by notes when a mouse event needs handling
 func handle_mouse_button(input: InputEventMouseButton, target: Draggable) -> void:
-
 	# === DRAG START ===
 	if input.button_index == MOUSE_BUTTON_LEFT and input.is_pressed():
 		_start_drag(target)
 		return
 
 	# === DRAG END ===
-	if input.button_index == MOUSE_BUTTON_LEFT and not input.is_released():
+	if input.button_index == MOUSE_BUTTON_LEFT and input.is_released():
 		_end_drag(target)
 		return
 
@@ -220,7 +219,6 @@ func handle_mouse_button(input: InputEventMouseButton, target: Draggable) -> voi
 func _start_drag(draggable: Draggable) -> void:
 	selection = draggable
 	current_context = DRAG
-
 	var mouse_offset := get_viewport().get_mouse_position() - draggable.global_position
 	draggable.start_drag(mouse_offset)
 
@@ -234,28 +232,44 @@ func _end_drag(draggable: Draggable) -> void:
 
 	var destination := draggable.end_drag()
 
-	if not destination and draggable is StickyNote:
-		# reclaim if necessary
-		pass
+	# Handle sticky note drops
+	if draggable is StickyNote:
+		var sticky := draggable as StickyNote
 		
+		# If dropped on a card, attach it
 		if destination and destination is Card:
-		# attach / unattach
-		pass
+			var target_card := destination as Card
 			
-	if destination and destination is StickyNote:
-		# unattach and attach to parent
-		pass
+			# If sticky was previously attached to a different card, detach it first
+			if sticky.is_attached and sticky.attached_to != target_card:
+				sticky.attached_to.remove_sticky_note()
 			
-	# Let draggable find its own drop target
-	#var drop_target := draggable.find_drop_target()
+			# If target card already has a sticky, exchange them
+			if target_card.has_sticky_note_attached():
+				var exchanged_sticky := target_card.exchange_sticky_note_with(sticky)
+				# Reclaim the exchanged sticky to the board
+				if exchanged_sticky:
+					reclaim_sticky(exchanged_sticky)
+			else:
+				# Simple attach
+				sticky.reparent(target_card)
+				target_card.attach_sticky_note(sticky)
 		
-	# Execute the drop
-	#if drop_target and Draggable.is_drop_target(drop_target):
-	#	var result = drop_target.handle_drop(draggable)
-	#	pass
+		# If dropped on board (no destination), ensure it's a child of the board
+		elif not destination:
+			# If it was attached to a card, detach it first
+			if sticky.is_attached:
+				sticky.attached_to.remove_sticky_note()
 			
-	# Check win condition if sticky was attached to card
-	if draggable is StickyNote and draggable.is_attached:
+			# Make sure sticky is parented to board
+			if sticky.get_parent() != self:
+				sticky.reparent(self)
+			
+			# Ensure it's in the notes array
+			if not sticky in notes:
+				notes.append(sticky)
+		
+		# Check win condition after any sticky movement
 		check_board_completion()
 
 

src/logic-scenes/board/card.gd

@@ -145,8 +145,6 @@ func init(card_name: String = "card", own_id:StringName = "-1") -> void:
 
 func _ready():
 	super._ready()
-	input_event.connect(_on_input_event)
-
 	_handle_wiggle(0)
 	_on_text_updated.call_deferred()
 
@@ -192,11 +190,6 @@ func _handle_wiggle(delta):
 	rotation = noise.get_noise_1d(wiggle_pos)*wiggle_strength
 
 
-func _input(event: InputEvent) -> void:
-	if event is InputEventMouseButton:
-		if event.button_index == MOUSE_BUTTON_LEFT and not event.pressed:
-			is_dragged = false
-
 func _on_mouse_entered() -> void:
 	super._on_mouse_entered()
 
@@ -205,12 +198,6 @@ func _on_mouse_exited():
 	if burn_state == burned.SINGED:
 		burn_state = burned.NOT
 
-func _on_input_event(_viewport, event, _shape_idx):
-	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
-		if highlighted:
-			mouse_offset = get_viewport().get_mouse_position() - position
-			if _get_board(): _get_board().handle_mouse_button(event, self)
-
 func _move_card():
 	if is_dragged:
 		update_drag_position(get_viewport().get_mouse_position())
@@ -258,9 +245,12 @@ func remove_sticky_note() -> StickyNote:
 	return former_child
 
 func exchange_sticky_note_with(new_note: StickyNote) -> StickyNote:
-	var tmp := remove_sticky_note()
+	if new_note == get_attached_sticky_note():
+		return null
+
+	var old_note := remove_sticky_note()
 	attach_sticky_note(new_note)
-	return tmp
+	return old_note
 
 
 # === DROP TARGET PATTERN IMPLEMENTATION ===
@@ -297,7 +287,7 @@ func handle_drop(draggable: StickyNote) -> int:
 ## Retrieves the sticky that was exchanged during last drop
 ## Clears the reference after retrieval
 func get_last_exchanged_sticky() -> StickyNote:
-	var result = _last_exchanged_sticky
+	var result := _last_exchanged_sticky
 	_last_exchanged_sticky = null
 	return result
 
@@ -307,15 +297,3 @@ func get_last_exchanged_sticky() -> StickyNote:
 ## Cards always drop back to board dropzone
 func find_drop_target() -> Node:
 	return _get_board()
-
-
-# === HELPER FUNCTIONS ===
-
-## Walks up the scene tree to find the CardBoard
-func _get_board() -> CardBoard:
-	var node := get_parent()
-	while node:
-		if node is CardBoard:
-			return node
-		node = node.get_parent()
-	return null

src/logic-scenes/board/draggable.gd

@@ -43,6 +43,7 @@ var _drag_source: Node = null  # Where the drag started from
 func _ready() -> void:
 	mouse_entered.connect(_on_mouse_entered)
 	mouse_exited.connect(_on_mouse_exited)
+	input_event.connect(_on_input_event)
 
 
 func _get_hover_handler() -> Node:
@@ -51,6 +52,16 @@ func _get_hover_handler() -> Node:
 		parent = parent.get_parent()
 	return parent
 
+
+## Walks up the scene tree to find the CardBoard
+func _get_board() -> Node:
+	var node := get_parent()
+	while node:
+		if node.has_method("handle_mouse_button"):
+			return node
+		node = node.get_parent()
+	return null
+
 ## === DRAG LIFECYCLE METHODS ===
 ## Override these in Card and StickyNote for specific behavior
 
@@ -68,6 +79,28 @@ func _on_mouse_exited() -> void:
 	if handler: handler.handle_hover(self)
 
 
+## Handles global input events (used to catch mouse release during drag)
+func _input(event: InputEvent) -> void:
+	if event is InputEventMouseButton:
+		if event.button_index == MOUSE_BUTTON_LEFT and not event.pressed:
+			if is_dragged:
+				is_dragged = false
+				# Trigger the drop logic
+				var board := _get_board()
+				if board and board.has_method("_end_drag"):
+					board._end_drag(self)
+
+
+## Handles input events on this Area2D (used to start drag)
+func _on_input_event(_viewport, event, _shape_idx):
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
+		if highlighted:
+			var mouse_offset := get_viewport().get_mouse_position() - position
+			var board := _get_board()
+			if board and board.has_method("handle_mouse_button"):
+				board.handle_mouse_button(event, self)
+
+
 ## Starts a drag operation
 func start_drag(mouse_offset: Vector2) -> void:
 	_drag_start_position = global_position

src/logic-scenes/board/sticky-note.gd

@@ -150,11 +150,14 @@ func _find_drop_target() -> Node:
 		if area is StickyNote and not area.is_attached: continue # Can only drop on attached stickies
 
 		if area is Card:
-			if (not closest) or ((closest.position-position).length() < (area.position - position).length()):
+			if (not closest) or ((area.position - position).length() < (closest.position - position).length()):
 				closest = area
-			return area
 
-	# Priority 3: Default to board (stay loose in dropzone)
+	# Return the closest card if found
+	if closest:
+		return closest
+
+	# Priority 2: Default to board (stay loose in dropzone)
 	return null
 
 ## Find the nearest panel that can accept this sticky

src/logic-scenes/playable.gd

@@ -7,3 +7,4 @@ func play() -> void:
 
 func handle_hover(area: Draggable):
 	prints("Playable[base].handle_hover", area, area.name)
+	pass