refactor(voice): extract reusable Pocket voice primitives

Cargo.toml

@@ -26,9 +26,10 @@ members = [
     "crates/buzz-pair-relay",
     "crates/buzz-relay-mesh",
     "crates/buzz-dev-mcp",
+    "crates/buzz-voice",
     "examples/countdown-bot",
 ]
-exclude = ["desktop/src-tauri"]
+exclude = ["desktop/src-tauri", "crates/sherpa-onnx-sys"]
 resolver = "2"
 
 [workspace.package]
@@ -170,3 +171,4 @@ strip = true
 # allowlist for the auth token). Revert to crates.io once #449 lands upstream.
 [patch.crates-io]
 aws-creds = { git = "https://github.com/tlongwell-block/rust-s3", rev = "c9fce3620dd434c1f810101d672cf384268dbb0f" }
+sherpa-onnx-sys = { path = "crates/sherpa-onnx-sys" }

Dockerfile

@@ -63,6 +63,10 @@ RUN apt-get update \
 # locations. The normal runtime strips it below; runtime-debug retains it.
 ENV CARGO_PROFILE_RELEASE_DEBUG=line-tables-only
 COPY --from=planner /build/recipe.json recipe.json
+# The sherpa sys patch keeps its published 1.13.4 version so Cargo can replace
+# the registry crate. It is excluded from the workspace recipe because
+# cargo-chef masks workspace package versions to 0.0.1.
+COPY --from=planner /build/crates/sherpa-onnx-sys crates/sherpa-onnx-sys
 # Cook the full workspace recipe — relay deps include workspace siblings, so
 # scoping to -p buzz-relay misses transitive deps and re-builds them later.
 RUN cargo chef cook --release --recipe-path recipe.json

Dockerfile.push-gateway

@@ -15,6 +15,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends build-essential pkg-config libssl-dev ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 COPY --from=planner /build/recipe.json recipe.json
+# Keep the patched sherpa sys crate at its published version; cargo-chef masks
+# workspace package versions, so the patch remains outside the workspace recipe.
+COPY --from=planner /build/crates/sherpa-onnx-sys crates/sherpa-onnx-sys
 RUN cargo chef cook --release --recipe-path recipe.json
 COPY . .
 RUN cargo build --release --locked -p buzz-push-gateway --bin buzz-push-gateway \

Justfile

@@ -276,6 +276,7 @@ test-unit:
     #!/usr/bin/env bash
     if command -v cargo-nextest &>/dev/null; then
         cargo nextest run -p buzz-core -p buzz-auth --lib
+        cargo nextest run -p buzz-voice --lib
         # buzz-db migrator/lint tests: pure SQL-parsing unit tests (no infra).
         # They guard the embedded-migrator invariant (exactly the consolidated
         # 0001; cutover/backfill stays an operator script, not startup state)

crates/buzz-voice/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "buzz-voice"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+repository.workspace = true
+description = "Reusable local voice primitives for Buzz"
+
+[features]
+default = ["static"]
+static = ["sherpa-onnx/static"]
+shared = ["sherpa-onnx/shared"]
+
+[dependencies]
+serde_json = { workspace = true }
+sherpa-onnx = { version = "1.12", default-features = false }

crates/buzz-voice/src/lib.rs

@@ -0,0 +1,3 @@
+//! Reusable local voice primitives for Buzz.
+
+pub mod pocket;