All four arms captured: the number moves from 0/8 to 4/8

32 recorded rollouts, 8 seeds x 4 agents, every one replaying through the Python
engine to a delta of exactly 0.

  arm          solved   economy  consistency    total
  base-off       0/8      0.000        0.122   0.0244
  base-on        4/8      0.469        0.479   0.4865
  cautious       8/8      0.944        1.000   0.9831
  solver         8/8      1.000        0.719   0.9437

Thinking-off solves none of eight. The same model on the same seeds, sampled
with thinking on, solves four. That is the headline, it is ours, and it needed
no training — which is also why the run is labelled an intervention and names
what was done to it, so a sampling change can never read as a training result.

`cautious` is new and it exists to make the reward editor honest. Until now the
page invited you to move a slider and watch the ranking change, and no slider
changed anything, because the solver dominated a model that solved nothing. A
candidate-only player — most informative guess among words that could still win
— takes consistency outright and pays for it in turns. Now:

  only speed matters      solver 0.9859  cautious 0.9606  -> solver
  shipped weights         solver 0.9437  cautious 0.9831  -> cautious
  punish contradictions   solver 0.8312  cautious 0.9972  -> cautious

The ranking really does flip, on recorded data, with one slider. The first
version of this arm picked the alphabetically-first candidate and opened on
'abaci', which made the policy the counterweight exists to reward look like a
straw man.

190 contract checks pass.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019mt6sHQHEnEYrJZvoMCJSB
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2026-08-28 16:42:52 -07:00
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