From 6535f2726686748b54a5ce5ab19354498d6deba8 Mon Sep 17 00:00:00 2001
From: rorychatt <pavel.rinne@gmail.com>
Date: Thu, 16 Apr 2026 16:53:37 +0200
Subject: [PATCH] [00236] Add explicit Send + Sync bounds to closure return
 types

---
 rusty/src/server/session.rs | 4 ++--
 rusty/src/server/ws.rs      | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/rusty/src/server/session.rs b/rusty/src/server/session.rs
index dff69b0..e905210 100644
--- a/rusty/src/server/session.rs
+++ b/rusty/src/server/session.rs
@@ -18,11 +18,11 @@ pub struct AppSession {
 /// Tracks active connections and creates isolated sessions on demand.
 pub struct AppSessionStore {
     sessions: RwLock<HashMap<String, ()>>,
-    root_factory: Arc<dyn Fn() -> Box<dyn View> + Send + Sync>,
+    root_factory: Arc<dyn Fn() -> Box<dyn View + Send + Sync> + Send + Sync>,
 }
 
 impl AppSessionStore {
-    pub fn new(root_factory: Arc<dyn Fn() -> Box<dyn View> + Send + Sync>) -> Self {
+    pub fn new(root_factory: Arc<dyn Fn() -> Box<dyn View + Send + Sync> + Send + Sync>) -> Self {
         AppSessionStore {
             sessions: RwLock::new(HashMap::new()),
             root_factory,
diff --git a/rusty/src/server/ws.rs b/rusty/src/server/ws.rs
index 206a2b9..60a6d29 100644
--- a/rusty/src/server/ws.rs
+++ b/rusty/src/server/ws.rs
@@ -57,7 +57,7 @@ pub struct AppState {
 /// The Rusty WebSocket server for frontend communication.
 pub struct RustyServer {
     port: u16,
-    root_view: Box<dyn Fn() -> Box<dyn View> + Send + Sync>,
+    root_view: Box<dyn Fn() -> Box<dyn View + Send + Sync> + Send + Sync>,
     static_dir: Option<PathBuf>,
 }
 
@@ -82,7 +82,8 @@ impl RustyServer {
 
     /// Build the axum router with WebSocket support.
     pub fn router(self) -> Router {
-        let root_factory: Arc<dyn Fn() -> Box<dyn View> + Send + Sync> = Arc::from(self.root_view);
+        let root_factory: Arc<dyn Fn() -> Box<dyn View + Send + Sync> + Send + Sync> =
+            Arc::from(self.root_view);
         let session_store = AppSessionStore::new(root_factory);
         let state = Arc::new(AppState { session_store });