Add a scrubbable timed lyric editor to the admin page, LRCLIB regeneration tooling with lyrics skills, and keep the five playback buttons on one row on phones
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Jonathan Sykes
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.agents/skills/lyrics-regenerate/SKILL.md
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.agents/skills/lyrics-regenerate/SKILL.md
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---
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name: lyrics-regenerate
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description: Back up and replace lyrics on worship.hesed.sbs that are wrong, mistimed or misheard — typically machine transcripts — with published lyrics from LRCLIB. Use when the user says lyrics are incorrect/off/mistimed, names songs whose lyrics are bad, or asks to re-check songs on LRCLIB. Always backs up first and never writes an unverified artist match.
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---
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# Replace bad lyrics from LRCLIB
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Machine transcripts (Whisper, Scribe) mishear words and drift out of time.
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LRCLIB's published lyrics are usually correct and often **synced**. This skill
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swaps them in — backup first, artist verified, one song at a time.
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Script: `scripts/lyrics/lrclib_regen.py`.
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## The rule: back up before you touch anything
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The server keeps every previous version as a revision, and `/admin` can restore
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one, but the script **also** writes an offline JSON backup of the current lyrics
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of every song it will consider — on a dry run too. Do not skip it, do not write
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your own one-off loop that lacks it.
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```
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/mnt/c/Users/josh/Documents/ytplayer-lyrics-backup-<YYYYmmdd-HHMMSS>.json
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```
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(`--backup-dir` or `YTP_BACKUP_DIR` to move it; on the devbox it falls back to `~/`.)
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## Run it
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```bash
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cd ~/development/personal/ytplayer
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export YTP_ADMIN_PASSWORD='…' # or YTP_TOKEN=ytp_…
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# 1) ALWAYS dry-run first and read every line of the output
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python3 scripts/lyrics/lrclib_regen.py --tagged auto-transcribed
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# 2) apply once the matches look right
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python3 scripts/lyrics/lrclib_regen.py --tagged auto-transcribed --apply
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```
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Picking the songs:
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| Flag | Picks |
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|---|---|
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| `--ids A,B,C` | exactly those videos |
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| `--tagged auto-transcribed` | songs whose lyrics carry that tag (machine transcripts) |
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| `--since '2026-09-19 01:45' --until '2026-09-19 02:00'` | songs whose lyrics were **saved** in that window |
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| *(none)* | every song the server has lyrics for |
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`--since/--until` is the one to reach for when the user says *"the songs that got
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lyrics at the same time as X"* — read X's `updatedAt` from
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`GET /api/notes/<id>` and bracket it by a few minutes.
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Other flags: `--tolerance 6` (max duration difference, seconds), `--loose`
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(accept matches whose artist doesn't line up — risky, see below).
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## Reading the output
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```
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eJBlOV6cM7Y LRCLIB synced | Israel Houghton – Holy You Are | 41 lines (was 38)
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_n6dfB2Z-Ko UNSURE plain | Night Ranger – Still | 52 lines (was 44)
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↳ artist doesn't match "Hillsong Worship" / the video title — left alone (use --loose to accept)
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tYM05iaVu3I no match | Jesus At The Centre | … | keeping 60 lines (auto-transcribed)
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```
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- **LRCLIB** — verified match, will be written on `--apply`.
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- **UNSURE** — title and duration fit but the artist doesn't appear in the channel
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name or the video title. **Left alone by default. Do not pass `--loose` to make
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it go away** — check the song by hand instead; this guard is what stopped a
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Hillsong song being overwritten with a Night Ranger one.
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- **no match** — LRCLIB doesn't have it. Existing lyrics are kept. Fall back to
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`web_lyrics.py --agy --ids <id> --overwrite`, or fix it in the admin lyric editor.
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Replaced songs are tagged `from LRCLIB (synced)` / `(plain text)`, which is also
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how you tell later what has already been fixed.
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## Restoring
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- Per song, in the UI: `/admin` → recent edits → **Restore** on the older revision.
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- From the JSON backup: `PUT /api/notes/<id>/lyrics` with
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`{"data": <songs[id].data>, "baseRev": <current rev from GET /api/notes/<id>>}`.
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Use the *current* rev, not the backed-up one — `baseRev` is optimistic
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concurrency, not a version to travel back to.
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## Gotchas
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- **LRCLIB rate-limits**: 503/429 on bursts. `http_json()` retries with backoff and
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the loop sleeps 0.4 s between songs. A song that fails all retries is reported and
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skipped — re-run it later rather than hammering.
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- **Duration match is ±6 s** against `/api/streams` metadata. Live or extended cuts
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legitimately miss; raise `--tolerance` deliberately, per song.
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- **Title cleaning** strips "(Official Video)", "Lyrics", "[HD]" etc.
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`clean_title`'s `NOISE` regex is used with `.sub()` and `.search()` — never give
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it a `/g`-style shared match state; a stateful regex silently skipped every other
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song once already.
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- **Karaoke/minus-one** versions match the original recording's lyrics, which is
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usually what you want, but the timing won't line up. Check before applying.
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Related skills: `lyrics-lookup` (songs with **no** lyrics), `deploy-prod`.
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