rung rung-01000   knob rerank_weight   probes 26 (13 current / 13 history)
baseline at the shipped default 0.0: 20 / 26 right

   value    right  fixed  broken      cur     hist   verdict
     0.0   20 / 26      0       0   11 / 13    9 / 13   baseline
    0.25   21 / 26      1       0   12 / 13    9 / 13   CLEARS 0 broken
     0.5   21 / 26      1       0   12 / 13    9 / 13   CLEARS 0 broken
     1.0   21 / 26      1       0   12 / 13    9 / 13   CLEARS 0 broken
     2.0   21 / 26      1       0   12 / 13    9 / 13   CLEARS 0 broken

HEADROOM, observed, from the rows (ADR-RS decision 22b):
  improvement — probes not right at the default: 6 / 26
  regression  — probes right at the default:     20 / 26

🟢 value(s) clearing the 0-broken bar WITH a fix: 0.25, 0.5, 1.0, 2.0

per-probe rows (130) -> work/regression/2026-09-12-priors-and-tables/evidence/sweep-rung-01000-rerank_weight.jsonl
