feat(frank-tts-engine): the arm A engine as a boot-persistent quadlet unit

Repo state only: nothing deployed, no host touched, no container started.

- `frank-tts-engine` on Dankclaw: `qwentts.cpp` commit
  5916bf7c79dbb4e66fc059cdc507a79a23a28bb4, resident `tts-server`, 1.7 B base
  talker Q4_K_M + Q8_0 tokenizer, container port 8880. It is deliberately NOT a
  fleet endpoint — `frank-tts` on 7772 is the endpoint consumers address.
- Publishes NOTHING. A host-loopback publish would have been useless to the
  façade (netavark DNATs published ports only, so a bridge container cannot
  reach a host loopback bind — the shape that 502'd hermes) and would have been
  the one LAN-reachable surface of an unauthenticated synthesiser. Both voice
  containers sit on one committed quadlet network, `frank-tts-engine.network`
  pinned to 10.89.5.0/24 (next free /24 after open-notebook's 10.89.4.0/24), and
  peers address the engine by container name. Diagnostics and the deployer's
  health gate run inside the netns (`podman exec`, `wait_container_healthy`).
- Cold-voice law honoured in the unit: the first request for a registered voice
  decodes its whole reference to snapshot codec state (6.2-8.0 s, first audio
  byte 5 530 ms), later ones restore in 0.5 ms, and the registry is memory-only.
  `ExecStartPost=-/usr/bin/podman exec frank-tts-engine /app/warm-voices.sh`
  with `TimeoutStartSec=900`; the `-` prefix keeps a failed warm from
  crash-looping the endpoint under `Restart=always`. It logs cold=/warm= per
  voice, so the under-a-second second request is proven on every boot.
- Thread law recorded: `tts-server` has no `--threads`; src/backend.h uses
  hardware_concurrency()/2, so a cpuset pin silently changes the thread count.
- Image builds from the pinned commit with the proven line (GGML_BLAS=OFF
  forced by this host, every GPU backend off, -j 8, no -DGGML_NATIVE because
  ggml defaults to -march=native for the building host). Two stages; the runtime
  stage COPYs both the entrypoint and the warmer, because a container that
  publishes nothing is reached with `podman exec`, not a port.
- `scripts/download-frank-tts-engine-qwentts.sh` fetches the two GGUFs with byte
  and LFS-oid checks (talker 1 219 245 248 B, tokenizer 291 150 624 B); the
  deployer gates on --verify-only instead of pulling 1.4 GiB mid-deploy.
- Registered in SERVICE_ORDER, DANKCLAW_SERVICES, the deploy-remote.sh dispatch,
  its pre-deploy requirement, deploy.sh's regex, the planner's path map (the
  whole `dankclaw/voiceservice/` tree mapped to nothing before this), and
  test-changed.sh ABOVE the `dankclaw/*.container` case whose `*` crosses `/`.
- New seam tests/frank_tts_engine.bats (19): the Quadlet generator's own output
  for network/publish/boot/warm shape, entrypoint argv driven from the tracked
  env file, the warmer against a stub tts-server over a real socket
  (registration keys, ref_text absent, late engine, hung synthesis, name
  refusal), the fetcher's verifier, the pinned cmake line, and both routing
  tables. Suite: 422 passed.
- Vault: [[Frank TTS Engine]] linked from the index; log.md entry for the day.

scripts/deploy-plan.py

@@ -62,6 +62,10 @@ SERVICE_ORDER = (
     "sonarr",
     "lidarr",
     "readarr",
+    # The voice pair keeps the inference family's ordering rule: the engine is
+    # a dependency of the 7772 facade, so it is planned (and therefore
+    # restarted) first.
+    "frank-tts-engine",
     "frank-dragoon",
     "frank-zealot",
     "frank-archon",
@@ -97,6 +101,7 @@ DANKCLAW_SERVICES = {
     "homepage",
     "frank-dragoon",
     "frank-zealot",
+    "frank-tts-engine",
 }
 
 DANKSERVER_SERVICES = {
@@ -326,6 +331,18 @@ def services_for_path(path: str, target: str) -> set[str]:
             # plans the pair, which deploy_open_notebook starts database-first.
             _add(services, "open-notebook")
             return services
+        if len(parts) >= 2 and parts[1] == "voiceservice":
+            # The voice stack's containers share one directory but are TWO
+            # deployables — the arm A engine and the 7772 façade in front of it
+            # — so this maps per file, the way the authentik trio does, and not
+            # per directory. Anything that is not named after one of the two
+            # services plans nothing, exactly as it did before the pair was
+            # registered.
+            if parts[-1] in {"frank-tts-engine.container", "frank-tts-engine.network",
+                             "Containerfile.engine", "tts-engine-start.sh",
+                             "tts-engine-warm.sh"}:
+                _add(services, "frank-tts-engine")
+            return services
         # frank-dragoon left the quadlet shape on 2026-09-19 (CIRU v4.4.1 host
         # build, root unit): its files live in scripts/ and map there.
         if len(parts) >= 2 and parts[1] == "observability":
@@ -429,6 +446,21 @@ def services_for_path(path: str, target: str) -> set[str]:
             # what the live frank-dragoon endpoint renders, so it plans
             # frank-dragoon.
             _add(services, "frank-dragoon")
+        if name == "frank-tts-engine.env":
+            # The engine's knobs are command-line flags, and this file is the
+            # repo's copy of them (the image entrypoint translates one line to
+            # one flag), so editing it is a restart of the engine. It also
+            # carries the boot warmer's three knobs, because the warmer is
+            # exec-ed into this container and inherits the same EnvironmentFile.
+            # A restart is what re-registers and re-warms every voice: the
+            # engine's voice registry is memory-only. (The warmer itself lives
+            # with the image, mapped above with the files it is built from, like
+            # the serve scripts of frank-zealot and frank-archon are mapped to
+            # the units that run them.)
+            # scripts/download-frank-tts-engine-qwentts.sh deliberately plans
+            # nothing: it fetches host-side state, like every other download
+            # script in this directory.
+            _add(services, "frank-tts-engine")
         if name in {"frank-archon.env", "frank-archon.service", "serve-frank-archon.sh"}:
             # llama.cpp frank-archon (2026-09-26, replacing the Lucebox
             # DS4.1 quadlet) keeps its unit, env and serve files here the