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buzz/desktop/src-tauri/Cargo.toml
tlongwell-block 7e7731b89b feat(desktop): add buzz-terminal engine crate 
Scaffolds the terminal emulator behind the Buzz substrate: grid state, the
parser and its two hardening fences, the closed listener set, and the damage
encoding the renderer will consume. No PTY, no child process, no window --
those belong to the embedder, so this crate stays testable against byte
fixtures on every platform.

Three things ship together because each is load-bearing for the others:

* The crate itself.

* The explicit `members` key in the workspace manifest. With a bare
  `[workspace]`, `cargo test/check --workspace` expands to a set that
  excludes this crate, and its gates pass green-and-empty over a real
  defect. Verified as a four-arm matrix on this repo.

* A file-size ratchet rule for `src-tauri/crates`. The ratchet's only Rust
  root was `src-tauri/src`, so the crate would be born outside the repo's
  one size discipline -- silently, since the check exits 0. Verified: a
  1500-line file under `crates/` passes without the rule and fails with it,
  while the real crate passes.

Two fences, both enforced on byte counts rather than a clock, because a
clock makes the bound depend on machine speed:

* F1 aborts a synchronized update once it buffers 64 KiB.
* F2 rebuilds the parser once 256 KiB of parser-visible bytes are charged.

F1 turned out to be dual-purpose. Measured under a flood, the reader's lock
hold is p50 1 us while the renderer's *wait* for the same lock is p50
4245 us -- so the plan's original "reader hold under one frame" requirement
passes trivially while the window is visibly stuck. The gate is now the
renderer's acquire latency, and F1 is what holds it down: p95 127 us with
the fence, 16383 us without.

That gate also needs a fair lock. `std::sync::Mutex` lets the read loop
barge, and the renderer completed 12 frames to the reader's 39893
acquisitions; `FairMutex` under the same flood gives 76 and 63 us.

Six fixtures, each shown failing under the mutation it exists to catch:
deleting F1, deleting F2, omitting flush accounting, charging raw input,
and swapping the fair lock for a barging one.

Co-authored-by: Dawn (sprout agent) <c6237ef84fa537c78dcee78efd2d4e59f728859c7f194da42ac51ededfa0be05@sprout-oss.stage.blox.sqprod.co>
Signed-off-by: tlongwell-block <109685178+tlongwell-block@users.noreply.github.com>
2026-08-01 19:56:44 -04:00

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[workspace]
# Explicit: membership must NOT be inferred from the path-dependency edge below.
# With a bare `[workspace]` and no `members`, `cargo test/check --workspace`
# expands to a set that excludes this crate, and its gates pass green-and-empty
# over a real defect. Verified: Sami Arm A/D, Dawn `.scratch/armA`.
members = ["crates/buzz-terminal"]
[package]
name = "buzz-desktop"
version = "0.5.3"
description = "Buzz desktop app"
authors = ["you"]
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[lib]
# The `_lib` suffix may seem redundant but it is necessary
# to make the lib name unique and wouldn't conflict with the bin name.
# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
name = "buzz_lib"
crate-type = ["staticlib", "cdylib", "rlib"]
[features]
default = ["system-keyring"]
mesh-llm = ["dep:iroh", "dep:mesh-llm-sdk", "dep:mesh-llm-host-runtime", "dep:mesh-llm-client", "dep:mesh-llm-node", "dep:mesh-llm-system", "dep:mesh-llm-events"]
# OS keyring backing for desktop secret storage (nsec private keys). When
# disabled, secrets fall back to 0o600 files. On by default for real builds.
system-keyring = ["dep:keyring"]
[build-dependencies]
base64 = "0.22"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
tauri-build = { version = "2", features = [] }
[target.'cfg(unix)'.dependencies]
libc = "0.2"
ctrlc = { version = "3", features = ["termination"] }
[target.'cfg(target_os = "linux")'.dependencies]
keyring = { version = "3.6.3", default-features = false, features = ["sync-secret-service", "vendored"], optional = true }
# Used directly (alongside tauri-plugin-notification) so we can hold the posting
# D-Bus connection open. GNOME 46+ dismisses a notification the moment that
# connection is dropped, which the plugin does immediately. Default features
# keep the pure-Rust zbus backend, matching the plugin (no libdbus needed).
notify-rust = "4"
# Enable getUserMedia in the WebKitGTK webview (see src/linux_media.rs). Pinned
# to the exact version wry links so both resolve to one webkit2gtk-sys and we
# don't get duplicate symbols; bump in lockstep with wry.
webkit2gtk = { version = "=2.0.2", features = ["v2_22"] }
[target.'cfg(target_os = "macos")'.dependencies]
objc2 = { version = "0.6.4", default-features = false }
objc2-app-kit = { version = "0.3.2", default-features = false, features = ["NSHapticFeedback", "NSMenu", "NSMenuItem", "NSStatusItem"] }
objc2-foundation = { version = "0.3.2", default-features = false, features = ["NSProcessInfo", "NSString"] }
keyring = { version = "3.6.3", default-features = false, features = ["apple-native", "vendored"], optional = true }
security-framework = { version = "3.7.0", features = ["OSX_10_15"] }
window-vibrancy = "0.6"
user-idle = { version = "0.6", default-features = false }
plist = "1"
[target.'cfg(windows)'.dependencies]
windows-sys = { version = "0.61", features = ["Win32_Security", "Win32_Storage_FileSystem", "Win32_System_JobObjects", "Win32_System_Registry", "Win32_System_Threading", "Win32_Foundation"] }
keyring = { version = "3.6.3", default-features = false, features = ["windows-native", "vendored"], optional = true }
user-idle = { version = "0.6", default-features = false }
[dependencies]
atomic-write-file = "0.3"
anyhow = "1"
dirs = "6"
tauri = { version = "2", features = ["macos-private-api", "tray-icon"] }
tauri-plugin-deep-link = "2"
tauri-plugin-opener = "2"
tauri-plugin-single-instance = { version = "2", features = ["deep-link"] }
tauri-plugin-window-state = "2"
tauri-plugin-dialog = "2"
tauri-plugin-updater = "2"
tauri-plugin-process = "2"
infer = "0.19"
hex = "0.4"
ed25519-dalek = "=3.0.0-rc.0"
tokio = { version = "1", features = ["fs", "sync", "rt", "macros", "time", "net", "io-util"] }
tokio-tungstenite = { version = "0.29", features = ["rustls-tls-webpki-roots"] }
tokio-util = { version = "0.7", features = ["rt"] }
bytes = "1"
futures-util = "0.3"
opus = "0.3"
neteq = { version = "0.8", default-features = false }
serde = { version = "1", features = ["derive"] }
serde_json = "1"
serde_yaml = "0.9"
toml = "0.8"
nostr = { version = "0.44", features = ["nip44", "nip49"] }
# OS-entropy source for backup passphrase generation (already in the tree as a
# transitive dependency; pinned here for direct use).
getrandom = "0.2"
zeroize = "1"
reqwest = { version = "0.13", features = ["json", "query", "stream", "blocking"] }
rustls = { version = "0.23", default-features = false, features = ["aws_lc_rs", "std"] }
url = "2"
buzz_core_pkg = { package = "buzz-core", path = "../../crates/buzz-core" }
buzz_persona_pkg = { package = "buzz-persona", path = "../../crates/buzz-persona" }
buzz_sdk_pkg = { package = "buzz-sdk", path = "../../crates/buzz-sdk" }
buzz_agent_pkg = { package = "buzz-agent", path = "../../crates/buzz-agent" }
buzz_voice_pkg = { package = "buzz-voice", path = "../../crates/buzz-voice" }
iroh = { version = "1.0.2", optional = true }
mesh-llm-sdk = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-sdk", default-features = false, features = ["client", "serving"], optional = true }
mesh-llm-host-runtime = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-host-runtime", default-features = false, features = ["dynamic-native-runtime"], optional = true }
# Model catalog + hardware survey for the Share-compute model picker (same
# diagnose pattern as mesh-console). Lib name of mesh-llm-client is mesh_client.
mesh-llm-client = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-client", optional = true }
mesh-llm-node = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-node", optional = true }
mesh-llm-system = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-system", optional = true }
mesh-llm-events = { git = "https://github.com/Mesh-LLM/mesh-llm.git", tag = "v0.74.0", package = "mesh-llm-events", optional = true }
base64 = "0.22"
sha2 = "0.11"
tar = "0.4"
bzip2 = "0.6"
chrono = { version = "0.4", features = ["serde"] }
tauri-plugin-global-shortcut = "2"
tauri-plugin-notification = "2.3.3"
uuid = { version = "1", features = ["v4", "v5"] }
png = "0.18"
# wayland-data-control: without it arboard is X11-only on Linux, so copies made
# in a Wayland session land in XWayland's clipboard where Wayland-native apps
# never see them (set_text still returns Ok). The backing wl-clipboard-rs dep is
# target-gated inside arboard; at runtime X11 sessions still fall back to X11.
arboard = { version = "3", features = ["wayland-data-control"] }
image = { version = "0.25", default-features = false, features = ["jpeg", "png", "webp", "gif"] }
zip = "8"
flate2 = "1"
sherpa-onnx = "1.12"
regex = "1"
rusqlite = { version = "0.37", features = ["bundled"] }
axum = "0.8"
rodio = "0.22"
earshot = "1.0"
rubato = "3.0"
audioadapter-buffers = "3.0"
tempfile = "3"
strip-ansi-escapes = "0.2"
tracing = "0.1"
[dev-dependencies]
# `test-util` enables tokio's paused-clock (`start_paused`) so the relay
# admission gate tests can assert exact wait durations without real sleeps.
tokio = { version = "1", features = ["test-util"] }
# The relay's media validation, so the snapshot-sharing tests can prove the
# full export → sanitize → relay-accept → import contract end to end.
buzz_media_pkg = { package = "buzz-media", path = "../../crates/buzz-media" }
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