Refactor systemctl services and categories due to alarm bugs

This commit restructures systemctl service definitions and category mappings.

Motivation: Alarm-related bugs revealed inconsistencies in service and role handling.

Preparation step: lays the groundwork for fixing the alarm issues by aligning categories, roles, and service templates.

roles/srv-web-7-6-https/README.md

@@ -16,7 +16,7 @@ This role is built on top of your existing `srv-web-7-4-core` role, and it autom
 When you apply **srv-web-7-6-https**, it will:
 
 1. **Include** the `srv-web-7-4-core` role to install and configure Nginx.  
-2. **Clean up** any stale vHost files under `sys-cln-domains`.  
+2. **Clean up** any stale vHost files under `sys-ctl-cln-domains`.  
 3. **Deploy** the Let’s Encrypt challenge-and-redirect snippet from `srv-web-7-7-letsencrypt`.  
 4. **Reload** Nginx automatically when any template changes.
 

roles/srv-web-7-6-https/tasks/main.yml

@@ -4,7 +4,7 @@
       name: '{{ item }}'
     loop:
     - srv-web-7-4-core
-    - sys-cln-domains
+    - sys-ctl-cln-domains
     - srv-web-7-7-letsencrypt
   - include_tasks: utils/run_once.yml
   when: run_once_srv_web_7_6_https is not defined