## Environment
OS: Ubuntu 26.04.1 LTS / kernel 7.0.0-38-generic
Driver: 580.178.04
CUDA runtime: 13.0

## ruff check
All checks passed!

## mypy src
Success: no issues found in 24 source files

## pytest (3.11)
SKIPPED [1] tests/unit/test_gpu_cuda.py:219: no GPU in the primary environment
42 passed, 2 skipped in 8.85s

## pytest (3.12)
SKIPPED [1] tests/unit/test_gpu_cuda.py:219: no GPU in the primary environment
42 passed, 2 skipped in 8.43s

## uv build
Successfully built dist/xlaxiom-0.5.0.tar.gz
Successfully built dist/xlaxiom-0.5.0-py3-none-any.whl

## CUDA gradient campaign
devices: ['cuda:0'] (Tesla V100-SXM2-16GB via jax[cuda12])
counts: {"candidate_discrepancy": 4, "known_historical_discrepancy": 2, "pass": 34}
