fix(武器): 为所有武器攻击方法添加返回值

统一所有武器的attack方法，确保返回true以表示攻击成功执行

scripts/Contents/Weapons/GrassWall.gd

@@ -2,13 +2,14 @@
 extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
-    origin["atk"] += 1 * to * soulLevel
-    return origin
+	origin["atk"] += 1 * to * soulLevel
+	return origin
 func attack(entity: EntityBase):
-    var wall = ObstacleBase.generate(
-        ComponentManager.getObstacle("GrassWall"),
-        get_global_mouse_position(),
-        entity.findWeaponAnchor("normal").angle_to_point(get_global_mouse_position()),
-        entity
-    )
-    wall.initHealth(readStore("atk"))
+	var wall = ObstacleBase.generate(
+		ComponentManager.getObstacle("GrassWall"),
+		get_global_mouse_position(),
+		entity.findWeaponAnchor("normal").angle_to_point(get_global_mouse_position()),
+		entity
+	)
+	wall.initHealth(readStore("atk"))
+	return true