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feat(eeg): add content-addressed session event references #44

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4cb76ce
feat(eeg): structured session-event references into a recording
aurascoper Jul 28, 2026
19c1a01
docs(eeg): record detector eligibility and manifest dispositions
aurascoper Jul 28, 2026
a514dc5
merge: update session-event references onto post-D0-R main
aurascoper Jul 28, 2026
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18 changes: 18 additions & 0 deletions Recordings/README.md
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Expand Up @@ -11,3 +11,21 @@ Playback the most recent recording with:
```bash
./Scripts/run-synthetic.sh --profile playback --recording Recordings/<file>.csv
```

## Session events

A recording can be summarised into structured, replayable observations:

```bash
python3 Scripts/extract_session_events.py Recordings/<session>
```

This writes `<session>/session-events.jsonl` — one `nc-eeg-session-event-v0`
record per observation. Events carry the **SHA-256 of `eeg.csv` plus a sample
range**, never signal, so the log is meaningless without the recording it points
into and the privacy posture above is unchanged: the log stays here, and here is
gitignored.

They are **signal observations only**. No sleep stage, no intervention outcome —
`Scripts/session_event_contract.py` rejects a record that asserts either. See
[`docs/architecture/session-events.md`](../docs/architecture/session-events.md).
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