Fixed hardcoded branding

Author: crocodilestick

CONTRIBUTORS

@@ -312,7 +312,7 @@ Copyright (C) 2024-2026 Calibre-Web Automated contributors
 - zhiyue (1 commits)
 # Fork Contributors (crocodilestick/calibre-web-automated)
 
-- crocodilestick (886 commits)
+- crocodilestick (896 commits)
 - jmarmstrong1207 (73 commits)
 - demitrix (30 commits)
 - sirwolfgang (29 commits)
@@ -368,6 +368,7 @@ Copyright (C) 2024-2026 Calibre-Web Automated contributors
 - gx1400 (1 commits)
 - halkeye (1 commits)
 - have-a-boy (1 commits)
+- helmerzNL (1 commits)
 - Hobogrammer (anon) (1 commits)
 - HotGarbo (1 commits)
 - imajes (1 commits)

cps/error_handler.py

@@ -22,7 +22,7 @@
 # custom error page
 
 def error_http(error):
-    headers = {'WWW-Authenticate': 'Basic realm="calibre-web"'} if error.code == 401 else {}
+    headers = {'WWW-Authenticate': f'Basic realm="{config.config_calibre_web_title or "calibre-web-automated"}"'} if error.code == 401 else {}
     return render_template('http_error.html',
                            error_code="Error {0}".format(error.code),
                            error_name=error.name,