b36137bc96
Add micro-benchmarks for TPE, Random, and Grid samplers with varying history sizes, end-to-end optimization benchmarks on Sphere and Rosenbrock, and a convergence tracking example that outputs CSV data. Includes 6 standard test functions (Sphere, Rosenbrock, Rastrigin, Ackley, Branin, Hartmann6) with correctness tests at known optima.