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task #611: probe-split re-analysis (zero-GPU)#449

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issue-611
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task #611: probe-split re-analysis (zero-GPU)#449
superkaiba wants to merge 4 commits into
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issue-611

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Closes task #611. Zero-GPU re-analysis of #533's logit captures: wrong-persona vs default-assistant leakage split, EOS-margin + unsaturated reads.

superkaiba and others added 2 commits June 11, 2026 16:14
scripts/issue611_split_analysis.py — Phase 0 fail-loud validation (245-file
enumeration, schema/marker/eos/gauge asserts, encoding-identical default-probe
base identity, stats-key standalone-base cross-check, 1.0-nat rig check vs
cross_eval delta_g) + Phase 1 paired contrasts d = system − role in Δlog P and
EOS-margin space (per-seed-paired bootstrap N=10,000, rng seed 0), band
accounting incl. own-slot Δmargin, base-prior decomposition, 0.5-nat saturation
flags, and the exhaustive plan-§7 verdict classifier (DISCORDANT label, pinned
quantifiers) → eval_results/issue_611/split_analysis.json (i611_split_analysis_v1).

scripts/issue611_split_figures.py — hero split_verdict_grid + base_prior_
decomposition + own_slot_regime + exploratory dump (per-seed scatter, leakage
allocation, logp/margin agreement) → figures/issue_611/.

Computed headline verdict: concentration_confirmed (matches plan §2 preview).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
…ern stale-artifact-commit-metadata)

Re-ran scripts/issue611_split_analysis.py + scripts/issue611_split_figures.py
post-commit so split_analysis.json git_commit and figures/issue_611/*.meta.json
commit record 7a817a6 (the commit containing the generating scripts) instead
of the pre-implementation parent 16cb4be. Content verified identical except
generated_at/git_commit (JSON) and created/commit (meta.json); rng seed 0
determinism holds (headline verdict unchanged: concentration_confirmed).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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explore-persona-space-dashboard Ready Ready Preview, Comment Jun 12, 2026 12:03am

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…arm labels (drop in-bar sys/role abbreviations, round-2 critique)
superkaiba added a commit that referenced this pull request Jun 13, 2026
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