Select the Stage 1 baseline from calibration evidence

Applies the immutable stage1-heterogeneous-v2 calibration rule. The input must contain calibration rows only; it cannot inspect holdout evidence.

Usage

select_stage1_candidate(
  calibration_rows,
  manifest = stage1_benchmark_manifest()
)

Arguments

calibration_rows

one row per candidate/seed/stratum from the frozen calibration split.

manifest

canonical Stage 1 benchmark manifest.

Value

a serializable selection record.