ご対応いただき誠にありがとうございます。
最新バージョンにて正しくキャッシュがクリアされる事を確認いたしました。

kusanagi statusの実行結果になります。

[root@localhost kusanagi]# kusanagi status
KUSANAGI Version 9.6.6-1.el9
xserver
AlmaLinux 9

*** (active) nginx : nginx127 ***
* nginx127@with_httpd.service - The NGINX HTTP and reverse proxy server (with_httpd)
     Loaded: loaded (/usr/lib/systemd/system/nginx127@.service; enabled; preset: disabled)
     Active: active (running) since Fri 2025-02-28 12:43:58 JST; 3min 27s ago

*** (active) httpd : httpd24 ***
* httpd@with_nginx.service - The Apache HTTP Server (with_nginx)
     Loaded: loaded (/usr/lib/systemd/system/httpd@.service; enabled; preset: disabled)
     Active: active (running) since Fri 2025-02-28 12:43:58 JST; 3min 27s ago

*** (active) php : php83 ***
* php-fpm.service - The PHP FastCGI Process Manager
     Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; enabled; preset: disabled)
     Active: active (running) since Fri 2025-02-28 11:52:58 JST; 54min ago

*** (active) mariadb : mariadb10.11 ***
* mariadb.service - MariaDB 10.11.11 database server
     Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; preset: disabled)
     Active: active (running) since Wed 2025-02-26 19:03:49 JST; 1 day 17h ago

*** (inactive) psql :  ***

*** (inactive) pgpool-II :  ***

*** python ***
Python 3.9.21

*** Cache status ***

*** WAF ***
off

*** SELinux ***
off

status completed.