feat: import Chinese-localized Buzz source snapshot

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

crates/buzz-relay-mesh/src/status.rs

@@ -0,0 +1,60 @@
+//! `/_mesh` status data model.
+//!
+//! The relay's axum handler can serialize [`MeshStatus`] directly as JSON.
+
+use serde::Serialize;
+
+#[derive(Clone, Debug, Default, Serialize)]
+pub struct MeshStatus {
+    pub enabled: bool,
+    pub local_runtime_id: String,
+    pub draining: bool,
+    pub peer_count: usize,
+    pub peers: Vec<MeshPeerStatus>,
+    pub counters: MeshCounters,
+}
+
+#[derive(Clone, Debug, Serialize)]
+pub struct MeshPeerStatus {
+    pub runtime_id: String,
+    pub endpoint_addrs: Vec<String>,
+    pub proto_version: u16,
+    pub draining: bool,
+    pub connection_state: ConnectionState,
+    pub phi: Option<f64>,
+    pub load: f32,
+    pub record_version: u64,
+    pub last_heartbeat_millis: u64,
+    pub counters: MeshPeerCounters,
+}
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum ConnectionState {
+    #[default]
+    Disconnected,
+    Connecting,
+    Connected,
+    Suspect,
+}
+
+#[derive(Clone, Debug, Default, Serialize)]
+pub struct MeshCounters {
+    pub stale_generation_rejections: u64,
+    /// Ready-registry seeds rejected because their `relay_pubkey` did not
+    /// match this deployment's relay identity (or no anchor was configured).
+    pub foreign_relay_rejections: u64,
+    pub peers: Vec<MeshPeerCounters>,
+}
+
+#[derive(Clone, Debug, Default, Serialize)]
+pub struct MeshPeerCounters {
+    pub runtime_id: String,
+    pub streams_opened: u64,
+    pub streams_received: u64,
+    pub datagrams_sent: u64,
+    pub datagrams_received: u64,
+    pub gossip_frames_sent: u64,
+    pub gossip_frames_received: u64,
+    pub stale_generation_rejections: u64,
+}