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audit
- lt_ep_train: --reg_delay N (reg-free early phase: resreg/jr/floss/adaptc off
for first N steps) + --noadaptc (kill hidden jacreg==0 damping feedback that
would pollute single-reg ablation arms)
- queue v2: 4 arms delay-first (abl_delay = reg-free 2k -> proven pair)
- eig_traj/2/3: ARPACK audit of redx_traj — the run crossed the edge EARLY and
oscillated (s1000 rotating-unstable, s1400 excursion mu=+2.1 self-recovered,
s2000 the ONLY stable snapshot mu=-0.02, s2100/s2200 already back out) =>
s2000 is a post-excursion STABILITY-DIP capture, dip width <100 steps;
learning survives mild instability (val fell through unstable stretches).
lead_rho cold-40 under-reads clusters — NOT a classifier; ARPACK for audits.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
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