* ADR-101 raw-amplitude presence/motion classifier — per-node and
cross-node fusion logic, hysteresis, per-node UI surface
(`PerNodeFeatureInfo.classification` override).
* ADR-102 server-side NBVI subcarrier selection — formula, dead-zone
gate, ESPectre Step-1 quiet-window finder, why we split FULL vs
NBVI-subset broadband.
* ADR-103 persistent baseline + universal threshold normalization —
JSON schema v2 at `v2/data/baseline.json`, FULL-broadband over
NBVI for cross-restart stability, `norm_cv = cv / baseline_cv`
with universal 3×/6× gates, recording script workflow.
* Updated espectre-techniques.md to reflect the DONE items (Steps
1+2+4 of NBVI, baseline persistence, universal threshold) and the
remaining open items in priority order.
Each ADR ≤ 200 lines per the operator's docs convention; deep detail
lives in `docs/references/espectre-techniques.md` (also ≤ 200) which
the ADRs link to. README.md and CLAUDE.md unchanged (no extra
content added; existing >200-line state pre-dates this session).
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