feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

crates/buzz-relay/src/lib.rs

@@ -0,0 +1,56 @@
+#![deny(unsafe_code)]
+#![warn(missing_docs)]
+//! NIP-01 WebSocket relay for Buzz private team communication.
+
+mod admission;
+
+/// REST API route handlers.
+pub mod api;
+/// WebSocket audio relay for huddle voice channels.
+pub mod audio;
+/// Relay configuration from environment variables.
+pub mod config;
+/// Runtime conformance harness — abstract trace emission at the
+/// ingest/read accept-reject boundary, replayed against
+/// `docs/spec/MultiTenantRelay.tla` by the independent `buzz-conformance`
+/// checker.
+pub mod conformance;
+/// WebSocket connection lifecycle and state.
+pub mod connection;
+/// Relay error types.
+pub mod error;
+/// WebSocket message handlers for NIP-01 client commands.
+pub mod handlers;
+/// Stateless HMAC-signed relay invite tokens (mint/verify).
+pub mod invite_token;
+/// Inter-relay mesh startup wiring (`BUZZ_MESH` seam).
+pub mod mesh_boot;
+/// Prometheus metrics: recorder, upkeep, HTTP middleware.
+pub mod metrics;
+/// NIP-11 relay information document.
+pub mod nip11;
+/// NIP-01 client/relay message parsing.
+pub mod protocol;
+/// Durable NIP-PL matcher and delivery worker.
+pub mod push_runtime;
+/// Axum router construction.
+pub mod router;
+/// Shared application state.
+pub mod state;
+pub mod storage_sweep;
+/// Subscription registry with (channel, kind) fan-out index.
+pub mod subscription;
+/// OpenTelemetry tracing initialisation (tracer provider + OTLP exporter).
+pub mod telemetry;
+/// Row-zero host binding: resolve the request community from the connection host.
+pub mod tenant;
+/// Relay-side tunnel session directory and routing.
+pub mod tunnel;
+/// Webhook secret generation and constant-time comparison.
+pub mod webhook_secret;
+/// Workflow action sink — relay-side implementation of [`buzz_workflow::ActionSink`].
+pub mod workflow_sink;
+
+pub use config::Config;
+pub use error::{RelayError, Result};
+pub use state::AppState;