From 8cb62737828fa417d0ecde106b73fc58b9d7fb56 Mon Sep 17 00:00:00 2001
From: atlas <atlas@hyperhive.local>
Date: Thu, 15 Oct 2026 13:44:29 +0200
Subject: [PATCH] swarm-ui: stop nginx buffering the controller's SSE streams
 on /api/

---
 nix/host-modules/swarm-ui.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nix/host-modules/swarm-ui.nix b/nix/host-modules/swarm-ui.nix
index 3478c1b8..d5ed39e1 100644
--- a/nix/host-modules/swarm-ui.nix
+++ b/nix/host-modules/swarm-ui.nix
@@ -232,6 +232,10 @@ in
               auth_request_set $authelia_user $upstream_http_remote_user;
               proxy_set_header Remote-User $authelia_user;
               proxy_set_header Authorization "";
+              # The SSE streams (terminal, agent state, subagent terminal)
+              # must not sit in nginx's buffer. The controller's 15s
+              # keep-alive keeps them under nginx's 60s default read timeout.
+              proxy_buffering off;
             '';
           };
           "@swarm_api_unauthorized".extraConfig = ''