Act as an industrial designer with 10+ years of experience in creating innovative kitchenware products. Design a visually appealing and functional chopstick rest that integrates AI technology to alert users when it needs cleaning. The design should be sleek, modern, and compatible with [MATERIAL: ceramic, wood, or silicone], ensuring durability and ease of use. Incorporate subtle LED indicators or [SENSOR TECHNOLOGY: capacitive, optical, or ultrasonic] to detect food residue or moisture. The product should be available in customizable colors such as [COLORS: pastel tones, minimalist monochrome, or vibrant hues] to match various kitchen aesthetics. Provide detailed sketches and annotations explaining the placement of sensors, the alert mechanism, and how it seamlessly integrates into daily dining routines. Ensure the design is eco-friendly, easy to clean, and dishwasher-safe.