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Vance Ingalls fbe4c49110 feat(studio-server,cli): VST sidecar host and carve API
Adds the studio-server side of the voiceover spectral-carve pipeline:

- vstSidecar.ts spawns and supervises the hyperframes-vst host process,
  resolving it from the published PyPI package (uvx, or an explicit
  HYPERFRAMES_VST_HOST override), and requires a shared-secret token on the
  WebSocket so a local port can't be driven by another process on the box.
- vstCarve.ts + POST /vst/carve run voiceover analysis and return carve bands.
- The CLI re-exports the sidecar through @hyperframes/studio-server/vst-sidecar
  so preview can stop the process on shutdown, and the Vite dev adapter threads
  the auth token through to the browser.

The host itself is not vendored: it is an external Python package with its own
release cadence, so depending on the published build keeps plugin-host
upgrades out of this repo's release train.
2026-07-31 02:24:17 -07:00
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