From fa45c555882ed65a866de9f1291d530533ae8e8b Mon Sep 17 00:00:00 2001
From: Allison Karlitskaya <allison.karlitskaya@redhat.com>
Date: Wed, 21 Jan 2026 19:50:59 +0100
Subject: [PATCH] webrepl: Send Content-Type text/html for index.

If we don't do this then Firefox incorrectly guesses text/plain and
just shows the source.  Adding the Content-Type: fixes the issue.

Signed-off-by: Allison Karlitskaya <allison.karlitskaya@redhat.com>
---
 micropython/net/webrepl/webrepl.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/micropython/net/webrepl/webrepl.py b/micropython/net/webrepl/webrepl.py
index 00da8155c..cfc5c79ca 100644
--- a/micropython/net/webrepl/webrepl.py
+++ b/micropython/net/webrepl/webrepl.py
@@ -78,6 +78,7 @@ def send_html(cl):
     cl.send(
         b"""\
 HTTP/1.0 200 OK\r
+Content-Type: text/html\r
 \r
 <base href=\""""
     )