From ceea512693a348e0c7eaa2f059b3aaaefeb55bf0 Mon Sep 17 00:00:00 2001
From: Kaiohz <yohan.goncalves@cosigma.io>
Date: Thu, 21 May 2026 09:04:30 +0200
Subject: [PATCH] BRIC-18: add openWhenHidden:true to prevent stream
 reconnection on tab switch

Prevents @microsoft/fetch-event-source from aborting and reconnecting
the SSE stream when the browser tab becomes hidden, which would cause
duplicate HUMAN messages to be persisted.
---
 src/infrastructure/api/chat/chatApi.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/infrastructure/api/chat/chatApi.ts b/src/infrastructure/api/chat/chatApi.ts
index c8698b2..13ea78e 100644
--- a/src/infrastructure/api/chat/chatApi.ts
+++ b/src/infrastructure/api/chat/chatApi.ts
@@ -76,6 +76,7 @@ export const chatApi: IChatPort = {
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify(request),
         signal: ctrl.signal,
+        openWhenHidden: true,
         onmessage(ev) {
           if (ev.data === "[DONE]") return;
           if (!ev.data) return;