fix: Aktionsleiste mittig unten verankert, Control füllt ganzen Bildschirm

- Control: anchors_preset=15 (FULL_RECT) statt fester Größe 40x40
- ActionBar: Anker auf (0.5, 1.0) — Mitte unten, unabhängig von Auflösung

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

hud.tscn

@@ -10,9 +10,13 @@ script = ExtResource("1_37p78")
 
 [node name="Control" type="Control" parent="." unique_id=1898217661]
 layout_mode = 3
-anchors_preset = 0
-offset_right = 40.0
-offset_bottom = 40.0
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_right = 0.0
+offset_bottom = 0.0
+grow_horizontal = 2
+grow_vertical = 2
 
 [node name="HealthBar" type="ProgressBar" parent="Control" unique_id=1012082084]
 layout_mode = 0
@@ -34,14 +38,16 @@ vertical_alignment = 1
 [node name="ActionBar" type="HBoxContainer" parent="Control" unique_id=1015761408]
 layout_mode = 1
 anchors_preset = -1
-anchor_left = 14.875001
-anchor_top = 15.125001
-anchor_right = 14.875001
-anchor_bottom = 15.125001
-offset_left = -225.00006
-offset_top = -25.000061
-offset_right = 224.99994
-offset_bottom = 24.999939
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -234.0
+offset_top = -65.0
+offset_right = 234.0
+offset_bottom = -10.0
+grow_horizontal = 2
+grow_vertical = 0
 
 [node name="A1" type="Panel" parent="Control/ActionBar" unique_id=712323959]
 custom_minimum_size = Vector2(50, 50)