refactor(ansible): rename freecad_mcp env vars and rework deployment

- Drop `FREECAD_MCP_` prefix from env vars (use `FREECAD_*`)
- Update freecad_mcp port from 22032 to 22061
- Document that FreeCAD bridge is required for tool calls
- Replace kottos deployment with pallas deployment

ansible/gitea/deploy.yml

@@ -18,6 +18,7 @@
           - git-lfs
           - curl
           - memcached
+          - acl
         state: present
         update_cache: true
 
@@ -187,8 +188,8 @@
           --config {{ gitea_config_file }}
           --name "{{ gitea_oauth_name }}"
           --provider openidConnect
-          --key "{{ gitea_oauth2_client_id }}"
-          --secret "{{ gitea_oauth2_client_secret }}"
+          --key "{{ gitea_oauth_client_id }}"
+          --secret "{{ gitea_oauth_client_secret }}"
           --auto-discover-url "https://id.ouranos.helu.ca/.well-known/openid-configuration"
           --scopes "{{ gitea_oauth_scopes }}"
           --skip-local-2fa