Cosmology & Inference Foreground Template Fitting Weighted fits to polarized sky maps, with harmonic filtering and Monte Carlo uncertainty propagation. gaussky A lightweight simulator for Gaussian CMB and Galactic foreground sky maps at multiple frequencies. Needlet ILC Needlet-domain component separation for combining sky maps across frequencies and spatial scales. AI & Machine Learning Terminal-Bench-Science Scientific tasks that evaluate how AI agents build, test, and revise models in computational research. Sequential Auto-Bidding PPO agents for replay-based auctions with budget constraints and changing market conditions.