8000 0.4.0: lean is the default (sonnet ceiling, effort medium) by dominicrico · Pull Request #6 · dominicrico/jev-router · GitHub
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0.4.0: lean is the default (sonnet ceiling, effort medium) - #6

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dominicrico merged 3 commits into
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feat/presets
Oct 10, 2026
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dominicrico merged 3 commits into
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feat/presets

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Behaviour change, with the evidence: on the 4 sealed hard tasks (40 runs per strategy) lean finished 39/40 against 38/40 for always-Opus and always-Sonnet at $0.064 per run (Opus $0.163, Sonnet $0.062); 18/18 on the multi-step set at $0.061 per run. The decision rule was set before the run and is met. Opus is still used when Jev is at least 90% sure; /jev preset balanced restores the old behaviour. Adds presets, an ONLY filter and Wilson intervals to the harness, and a CI check that the shipped defaults match the lean preset.

dominicrico and others added 3 commits October 10, 2026 09:22
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
… pass rates

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
… docs, charts

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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dominicrico merged commit 19cd162 into main Oct 10, 2026
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dominicrico deleted the feat/presets branch October 10, 2026 07:46
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