FN-8753: enable installed voice input in project settings

Make Voice Input available only after its local model and runtime are ready.

- Bundle the optional sherpa runtime with the published CLI.
- Gate the project setting on model installation and stable runtime status codes.
- Add localized recovery guidance, documentation, and coverage.

Files changed:
 .changeset/fn-8753-voice-input-enable.md           |  7 ++++
 docs/dashboard-guide.md                            |  2 +-
 docs/settings-reference.md                         |  8 +++--
 packages/cli/package.json                          |  3 ++
 packages/cli/src/__tests__/package-config.test.ts  | 16 +++++++++
 .../settings/__tests__/VoiceInputSection.test.tsx  | 36 ++++++++++++++++----
 .../settings/sections/VoiceInputSection.tsx        | 30 ++++++++++++-----
 packages/dashboard/package.json                    |  2 +-
 .../routes/__tests__/register-voice-routes.test.ts | 39 ++++++++++++++++++++++
 .../dashboard/src/stt/__tests__/voice-stt.test.ts  | 27 ++++++++++++---
 packages/dashboard/src/stt/parakeet-service.ts     | 26 ++++++++++-----
 packages/i18n/locales/en/app.json                  |  6 ++++
 pnpm-lock.yaml                                     |  6 +++-
 13 files changed, 175 insertions(+), 33 deletions(-)

Fusion-Task-Id: FN-8753

Fusion-Task-Lineage: db92b148-37f0-45d2-b616-ed2e3f2d54f6

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

docs/settings-reference.md

@@ -51,8 +51,12 @@ See [Signals Connectors](./signals-connectors.md) for setup, signing, payload, a
 `voiceInput: { enabled?, model?, language? }`; values resolve per request with project precedence.
 `enabled` defaults to false and gates dictation only, so model status/download/delete remain available
 while disabled. `model` defaults to registry identifier `"parakeet-v3"` and `language` to `"en"`;
-unsupported values are rejected and never become URLs or paths. The optional sherpa runtime and
-user-scoped cache degrade to unavailable safely. Downloads are on demand and require a pinned SHA-256;
+unsupported values are rejected and never become URLs or paths. An installed model is not by itself
+sufficient: Project Settings enables the toggle only after the optional `sherpa-onnx-node` runtime
+loads successfully. A missing module, platform-addon load failure, or incompatible runtime leaves
+voice disabled with a recovery message; install or reinstall a supported Fusion package for the
+current platform, then reopen Settings. The optional sherpa runtime and user-scoped cache degrade to
+unavailable safely. Downloads are on demand and require a pinned SHA-256;
 unpinned assets refuse download. The default asset is upstream `sherpa-onnx-nemo-parakeet-tdt-0.6b-v3-int8.tar.bz2`
 (~465 MB), verified against its pinned SHA-256 before installation. Status polling reports
 `queued`/`downloading`; deleting fences an in-flight download. Voice chunks alone allow 2 MiB JSON,