From 4278b0624e0b8d7fdd622f914b45ec9f5a60ffb9 Mon Sep 17 00:00:00 2001
From: Abdullah Atta <abdullahatta@streetwriters.co>
Date: Sat, 11 Apr 2026 10:54:51 +0500
Subject: [PATCH] sync: set ws keepalive interval to 15s

---
 Notesnook.API/Startup.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Notesnook.API/Startup.cs b/Notesnook.API/Startup.cs
index b922b60..f7fbd48 100644
--- a/Notesnook.API/Startup.cs
+++ b/Notesnook.API/Startup.cs
@@ -213,6 +213,7 @@ namespace Notesnook.API
             var signalR = services.AddSignalR((hub) =>
             {
                 hub.MaximumReceiveMessageSize = 100 * 1024 * 1024;
+                hub.KeepAliveInterval = TimeSpan.FromSeconds(15);
                 hub.ClientTimeoutInterval = TimeSpan.FromMinutes(10);
                 hub.EnableDetailedErrors = true;
             }).AddMessagePackProtocol().AddJsonProtocol();
@@ -270,6 +271,12 @@ namespace Notesnook.API
             app.UseOpenTelemetryPrometheusScrapingEndpoint((context) => context.Request.Path == "/metrics" && context.Connection.LocalPort == 5067);
             app.UseResponseCompression();
 
+            app.UseWebSockets(new Microsoft.AspNetCore.Builder.WebSocketOptions
+            {
+                KeepAliveInterval = TimeSpan.FromSeconds(30),
+                KeepAliveTimeout = TimeSpan.FromSeconds(60),
+            });
+
             app.UseCors("notesnook");
             app.UseVersion(Servers.NotesnookAPI);