From 78c9d0d1bf7d5467c326754be8070065c62fd598 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9B=BE=E6=96=87=E9=94=8B0668000834?=
 <zeng.wenfeng@xydigit.com>
Date: Fri, 13 Mar 2026 09:09:29 +0800
Subject: [PATCH] fix(web): correct SVG MIME type from image/svg to
 image/svg+xml

Go's mime package doesn't register .svg with the correct type by default,
causing browsers to reject SVG resources when used with CSS mask-image.

Fixes #1410
---
 web/backend/embed.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/web/backend/embed.go b/web/backend/embed.go
index 556fb7384..a20fc5dcd 100644
--- a/web/backend/embed.go
+++ b/web/backend/embed.go
@@ -4,6 +4,7 @@ import (
 	"embed"
 	"io/fs"
 	"log"
+	"mime"
 	"net/http"
 	"path"
 	"strings"
@@ -12,6 +13,12 @@ import (
 //go:embed all:dist
 var frontendFS embed.FS
 
+func init() {
+	// Register correct MIME type for SVG files
+	// Go's mime package doesn't register .svg with the correct type by default
+	mime.AddExtensionType(".svg", "image/svg+xml")
+}
+
 // registerEmbedRoutes sets up the HTTP handler to serve the embedded frontend files
 func registerEmbedRoutes(mux *http.ServeMux) {
 	// Attempt to get the subdirectory 'dist' where Vite usually builds