fulcrum: target electrum and edge groups instead of hostnames

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

ansible/services/fulcrum/deploy_fulcrum_playbook.yml

@@ -1,5 +1,5 @@
 - name: Deploy Fulcrum Electrum Server
-  hosts: fulcrum_box_local
+  hosts: electrum
   become: yes
   vars_files:
     - ../../infra_vars.yml
@@ -524,7 +524,7 @@
 
 
 - name: Setup public Fulcrum SSL forwarding on vipy via systemd-socket-proxyd
-  hosts: vipy
+  hosts: edge
   become: yes
   vars_files:
     - ../../infra_vars.yml