feat: Add initial main game scene with grid and cameras, and implement player movement manager.

scenes/main.tscn

@@ -80,7 +80,7 @@ current = true
 fov = 35.5
 
 [node name="Camera3D200" type="Camera3D" parent="." unique_id=1763366951]
-transform = Transform3D(1, 0, 0, 0, 0.5581796, 0.8297202, 0, -0.8297202, 0.5581796, 7, 16.774572, 19.035084)
+transform = Transform3D(1, 0, 0, 0, 0.5077037, 0.86153173, 0, -0.86153173, 0.5077037, 7, 19.635756, 19.007332)
 environment = ExtResource("4_ky38j")
 current = true
 fov = 35.5
@@ -9585,10 +9585,14 @@ text = "00"
 horizontal_alignment = 1
 
 [node name="GlobalMatchTimer" type="PanelContainer" parent="." unique_id=1714357974]
-offset_left = 48.0
-offset_top = 64.0
-offset_right = 208.0
-offset_bottom = 114.0
+anchors_preset = 5
+anchor_left = 0.5
+anchor_right = 0.5
+offset_left = -75.0
+offset_top = 18.0
+offset_right = 85.0
+offset_bottom = 68.0
+grow_horizontal = 2
 
 [node name="VBox" type="VBoxContainer" parent="GlobalMatchTimer" unique_id=24429117]
 layout_mode = 2

scripts/managers/player_movement_manager.gd

@@ -133,6 +133,9 @@ func try_push(target_pos: Vector2i, direction: Vector2i) -> bool:
 		other_player.rpc("start_movement_along_path", push_path, false)
 		other_player.target_position = pushed_to_pos # Logical update
 		
+		# Apply stun/freeze effect as requested (same as wall stagger)
+		other_player.rpc("apply_stagger", 1.5)
+		
 	else:
 		# Wall/Blocked -> Stagger in place
 		other_player.rpc("apply_stagger", 1.5)