style(peer): format security hardening

Record the deterministic nightly rustfmt output for the newly added event-channel and retry code after the repository-wide formatter gate was repaired.

Test Plan:
- just fmt
- just clippy
- git diff --check

crates/lanspread-peer/src/services/liveness.rs

@@ -3,6 +3,7 @@
 use std::{sync::Arc, time::Duration};
 
 use futures::{StreamExt as _, stream};
+
 use crate::{
     PeerEventSender,
     config::{PEER_PING_IDLE_SECS, PEER_PING_INTERVAL_SECS, peer_stale_timeout},

crates/lanspread-peer/src/services/remote_state.rs

@@ -55,10 +55,7 @@ pub(crate) struct RemoteStateCtx {
 
 impl RemoteStateCtx {
     #[must_use]
-    pub(crate) fn from_network(
-        ctx: &NetworkServiceCtx,
-        tx_notify_ui: &PeerEventSender,
-    ) -> Self {
+    pub(crate) fn from_network(ctx: &NetworkServiceCtx, tx_notify_ui: &PeerEventSender) -> Self {
         Self {
             local_peer_id: ctx.peer_id,
             peer_game_db: ctx.peer_game_db.clone(),
@@ -371,10 +368,7 @@ fn enqueue_final_views(
 /// Clears every remote projection after one network generation has fully
 /// drained, then queues the authoritative replacement views while the
 /// database-to-Call-to-Play lock order is still held.
-pub(crate) async fn clear_remote_state_and_publish(
-    ctx: &Ctx,
-    tx_notify_ui: &PeerEventSender,
-) {
+pub(crate) async fn clear_remote_state_and_publish(ctx: &Ctx, tx_notify_ui: &PeerEventSender) {
     let mut db = ctx.peer_game_db.write().await;
     let mut call_to_play = ctx.call_to_play.write().await;
     let retired = db.clear_remote_peers();