Polish dialog and intro transitions

ui/TouchJoystick.gd

@@ -40,6 +40,9 @@ var knob_pos: Vector2 = Vector2.ZERO
 
 
 func _ready() -> void:
+	# Dialogs release every spring-loaded stick through one compositional
+	# contract, without NarrationBanner knowing scene paths or joystick roles.
+	add_to_group("touch_joysticks")
 	resized.connect(_relayout)
 	_relayout()
 
@@ -79,6 +82,15 @@ func handle_touch(event: InputEventScreenTouch) -> bool:
 
 	if event.index != active_touch_index:
 		return false
+	release_input()
+	return true
+
+
+# Returns this spring-loaded control to its neutral state. Public and
+# idempotent so a dialog can safely release movement and fire sticks before
+# pausing their controllers (#182), even when only one is currently held.
+func release_input() -> void:
+	var was_active: bool = is_active() or direction != Vector2.ZERO
 	active_touch_index = -1
 	# Back to the middle of the rect, BASE included. This used to reset the
 	# knob onto base_pos and leave the base wherever the finger had landed, so
@@ -88,9 +100,9 @@ func handle_touch(event: InputEventScreenTouch) -> bool:
 	knob_pos = base_pos
 	direction = Vector2.ZERO
 	queue_redraw()
-	direction_changed.emit(direction)
-	released.emit()
-	return true
+	if was_active:
+		direction_changed.emit(direction)
+		released.emit()
 
 
 func handle_drag(event: InputEventScreenDrag) -> bool: