UFO Visual Update — More Color, More Identity — Space Memory TDG Steam update #116221

We just pushed a visual update focused on making the UFO fleet feel more alive, readable, and distinctive. ## What changed Each UFO house now receives a stronger visual identity with its own color direction, cleaner material setup, and more premium-looking surface treatment. The goal is simple: UFOs should no longer feel flat, dark, or visually similar. Every house should be recognizable by its style, color language, and energy signature. ## Improved UFO materials This update improves the UFO material pipeline with: * stronger house-specific colors * brighter accent and emissive tones * cleaner URP material handling * smoother premium surface patterns * less dark/black-looking output * better visual separation between houses The new look is designed to feel more sci-fi, more polished, and easier to read during gameplay. ## House identity pass The UFO houses now have clearer visual direct...