pet dog, automatic petting machine, Stardew Valley, pixel art style, mechanical arm, gentle motion, happy tail wagging, farm setting, grassy field, wooden fence, blue sky, fluffy white clouds, warm sunlight, side view, 2D perspective, vibrant colors, rustic charm, cozy atmosphere, animated sequence, loopable action, charming farm life, interactive gameplay element, copper material, gears and levers, simple design, midday light, clear weather, pastoral vibe, playful mood, country life, farming simulation game.