docs(frank-tts): the voice stack is deployed, and the harness speaks through it

Six statements still claimed the endpoint did not exist: both vault descriptions, the two index.md bullets, the Open Notebook blocker, and the engine page deploy order that opened with "Nothing below has been run". All re-keyed to the deployed state, with the ledger the deploys printed: engine healthy 31 s after the build at 4.0 GiB resident, three voices warm, the ladder measured at 1883 ms then 1226-1283 ms (not the retired 6.2-8.0 s), and two voices rendering the same sentence into different bytes.

Adds a The harness speech role section to the endpoint page with the three wiring laws measured the day of the flip: speech.voice is the forwarded key (tts.localVoice belongs to Kokoro), an explicit speech role has no fallback candidate, and models.yml loads at process start while config.yml is read live - so a session older than the frank-tts row fails exactly like a dead endpoint. Fresh-process proof: omp -p --tools tts saved 180524 bytes with voice=narrator1 while the facade logged the matching speech line.
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Frank committed 2026-10-18 19:11:41 -07:00
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---
type: reference
description: "frank-tts is the fleet's cloned-voice speech endpoint on Dankclaw :7772 — the one voice surface consumers address, in front of frank-tts-engine; repo-owned, not yet deployed."
description: "frank-tts is the fleet's cloned-voice speech endpoint on Dankclaw :7772 — the one voice surface consumers address, in front of frank-tts-engine; deployed 2026-10-18 and wired as the harness speech role."
tags:
- dankclaw
- tts
@@ -16,10 +16,15 @@ audio in that cloned voice. Everything else in the voice stack sits behind it
the engine ([[Frank TTS Engine]]) publishes no port on purpose, and consumers
never learn a path.
**Nothing here is deployed.** No host was touched while this was written: no
image built, no container started, nothing listening on 7772. That is also why
[[Open Notebook]] cannot render a podcast episode yet — its pipeline calls this
endpoint.
**Deployed 2026-10-18** — `./scripts/deploy.sh dankclaw --service frank-tts`,
both units `active`, no drop-ins, and the homepage card's `wip` gate came off in
the same change. Probes on the deployed endpoint: `/health` answers
`{"status":"ok","backend":"omni-http","voices":["narrator1","narrator2","narrator3"]}`,
and two different voices rendered the same sentence into **different** bytes
(24 kHz mono PCM16, 4.24 s, healthy RMS) — so name resolution is real, not a
pass-through of one default. The operator harness routes its `speech` role here;
see [[#The harness speech role]]. What still waits is [[Open Notebook]]: its
render needs the app installed, not this endpoint.
| | |
| --- | --- |
@@ -138,8 +143,44 @@ A `/health` probe job would therefore be structurally never-green, and because
`frank-tts` target would page on Signal every few minutes for an endpoint that
is fine — the frank-archon lesson pointed the other way. The engine cannot be
scraped at all: it publishes nothing. Status lives in `systemctl --user status`,
`podman healthcheck run`, the two unit journals, and the homepage card, which is
gated `wip: down` until the deploy and probes `127.0.0.1:7772`.
`podman healthcheck run`, the two unit journals, and the homepage card, which
probes `127.0.0.1:7772` for real now — the `wip: down` gate came off with the
2026-10-18 deploy.
## The harness speech role
The operator harness reaches this endpoint through
`~/.omp/agent/models.yml` — provider `frank-tts (dankclaw)`,
`baseUrl: http://192.168.0.143:7772/v1`, `auth: none`, and the runner api
`openai-speech` on the **model** row (naming a runner api at *provider* level
fails the whole file's validation and disables every custom provider, which is
how the fleet's chat endpoints disappear) — plus `config.yml`:
`modelRoles.speech: frank-tts (dankclaw)/frank-tts` and `speech.voice:
narrator1`. Three laws, read out of the harness bundle and measured the day of
the flip:
- **The forwarded voice key is `speech.voice`, not `tts.localVoice`.** The
latter belongs to the local Kokoro backend and still carries `bm_george`; it
is what answered when the role pointed at `local/kokoro`. `speech.voice`
becomes the request's `voice`, and this endpoint treats an unknown name as an
error rather than a default — so a Kokoro-style revert has to move **both**
keys together.
- **There is no silent fallback.** An explicitly configured `modelRoles.speech`
yields exactly one candidate, so a dead 7772 fails the speech device with
*"No available speech model matches the speech role"* instead of quietly
degrading to Kokoro. That is the price of `auth: none` (which makes a dead
endpoint read as available) and it is the wanted shape: a narration job should
fail loudly rather than ship a voice Frank never asked for.
- **A session older than the models.yml row cannot see it.** `models.yml` loads
at process start while `config.yml` is read live, so a long-lived session
carrying the flipped role fails exactly like a dead endpoint while a fresh
process succeeds in the same minute. Measured 2026-10-18: the open session
failed twice (provider/id form, then the bare id), `local/kokoro` succeeded in
that same session, and a fresh `omp -p --tools tts` returned `Saved 180524
bytes (model=frank-tts (dankclaw)/frank-tts, voice=narrator1, codec=wav)`
while the façade logged the matching `speech voice=narrator1 format=wav
chars=51 -> 180524 bytes` from the podman bridge. Rule the stale registry out
before blaming the service.
## Troubleshooting