refactor(sys-ctl-alm-compose, sys-timer-cln-bkps):

- update alarm compose unit to run email/telegram notifiers independently via multiple ExecStart lines
- ensure cleanup backup dependencies are included before timer setup with handler flush
conversation: https://chatgpt.com/share/68a43429-c0cc-800f-9cc9-9a5ae258dc50

roles/sys-timer-cln-bkps/tasks/01_core.yml

@@ -1,3 +1,11 @@
+- name: Include dependencies
+  include_role:
+    name: '{{ item }}'
+  loop:
+    - sys-ctl-cln-bkps
+  vars:
+    flush_handlers: true
+
 - name: set systemctl_timer_service to sys-ctl-cln-backups
   set_fact:
     systemctl_timer_service: "sys-ctl-cln-backups"
@@ -7,9 +15,3 @@
     name: sys-timer
   vars:
     systemctl_on_calendar: "{{ SYS_SCHEDULE_CLEANUP_BACKUPS }}"
-
-- name: Include dependencies
-  include_role:
-    name: '{{ item }}'
-  loop:
-  - sys-ctl-cln-bkps