refactor: migrate local transcription to Soniqo

[ComputelessComputer]

Add Soniqo on-device model management, live transcription routing, batch transcription support, desktop model selection, and workspace dependency wiring while keeping Cactus available.

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Note

High Risk
High risk because it introduces a new macOS Swift bridge and changes core live/batch transcription routing and local model management, which can affect capture stability and model downloads.

Overview
Adds a new on-device STT backend, Soniqo, including a new transcribe-soniqo crate that bridges to a macOS Swift package (speech-swift) for model download state, file transcription, and live streaming sessions.

Updates the Rust transcription stack to route live audio to Soniqo when base_url is soniqo://local (with batch-only models rejected for live), and adds batch execution via a new BatchProvider::Soniqo path.

Extends local model plumbing (local-model, local-stt plugin, and generated TS bindings) to treat Soniqo models as first-class local models (download polling, delete, per-model cache dir), and updates the desktop UI to list/select Soniqo models, show download progress, and map hyprnote + soniqo-* models to the soniqo batch provider.

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This is part 1 of 2 in a stack made with GitButler:

•  2  remove activity capture #5156
•  1  refactor: migrate local transcription to Soniqo #5153 👈

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[cursor]

Duplicated Soniqo language-support check logic across crates

Low Severity

The Soniqo-specific provider/model parsing and language-checking pattern is duplicated between is_supported_languages_live in the transcription plugin and is_supported_languages_batch in listener2-core. Both implement near-identical logic for parsing "soniqo" and "hyprnote" providers, resolving the SoniqoModel, and calling supports_languages. If the Soniqo model resolution logic changes (e.g., new model prefixes or provider names), both locations need coordinated updates.

Additional Locations (1)

• crates/listener2-core/src/lib.rs#L27-L45

 

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