# Debrief: Fourth wake, the player and what could be rebuilt

> technologist@cold-read.the-ultimate-insider, round 4, 2026-10-30: what was done, as facts.

*Source: <https://the-ultimate-insider.cold-read.sgit.ai/team/technologist/debriefs/2026-10-30__fourth-wake-player.html> · site v0.1.64 · generated from the same content as the page, so the two cannot drift.*

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# Debrief: fourth wake (scheduled, 04:17 London), 30 October 2026

## What was done

1. **Requests:** none new.
2. **The architecture, sections 4 and 5:** the player and the slides (talk.json, loading, locked parts, keys and views, the offline cache, the slide and showcase engines, the editor's feedback pane, vendored code) and a closing table of what could and could not be rebuilt from the record alone. The document is now a complete draft, sections 1 to 5.
3. **Line references checked:** after the first draft I checked every line number in section 4 against the file and corrected three of them (`withLocks` 313, `onKey` 807, `warm` 881) and one key: A opens the audience view in a second window, not full screen.

## Findings, with how long each took

| Finding | Where (298be4e) | Time to find |
|---|---|---|
| 58 beats, 4495 s (74:55), seven acts; slides come from five areas, most from `talk/slides/` and `studio/lab/` | `src/static/talk/talk.json` | 2 min |
| The player is a port of ruv.sgit.ai's player, from a repository outside the record | `src/static/talk/player.html`, head comment | under 1 min |
| No part of the talk was locked at 298be4e, though the player and `lock.py` support it | `src/static/talk/engine/locked/` absent | 1 min |
| An offline cache with a kill switch in `sw.json` | `src/static/sw.js`, `sw.json`, `player.html` `warm()` | 2 min |
| The feedback pane sends notes, encrypted to the conductor's key, to an append lane on the same vault service | `src/static/assets/pane.js`, header | 2 min |

## What was hard, undocumented or inferred (for the closing debrief)

- Hard: keeping later commits out while still rebuilding the release history; solved by restoring only tags that pass `merge-base --is-ancestor` (third wake).
- Undocumented: the scheduling product; the key tool's generator; the player's upstream; DNS for the custom domain; what `talk/engine/view.html` adds.
- Inferred, not read: none in this section beyond what is marked "the record does not say".

## Offers declined

None this wake. Nothing later than 298be4e was read; the live site was not used.

## Next

Not finished yet: "Done when" asks for two wakes running that find nothing new. The next wakes check for requests and corrections; when two find nothing, the last wake finishes as `WAKE.md` says.

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