chore(ansible): update model endpoints and enable Rommie deployment

- Bump Qwen model from 3.5 to 3.6 and update inference endpoints
  (nyx:22079→22072, pan:22078→22076) for caliban and puck hosts
- Add Rommie MCP server deployment to site.yml
- Update Rommie docs to reflect new port (20361), model versions,
  and health check accepting 200/406 status codes

ansible/site.yml

@@ -48,6 +48,9 @@
 - name: Deploy Agent S
   import_playbook: agent_s/deploy.yml
 
+- name: Deploy Rommie MCP Server
+  import_playbook: rommie/deploy.yml
+
 - name: Stage Kottos (Pallas FastAgent runtime)
   import_playbook: kottos/stage.yml