Update ia_dev agent playbooks and kogus docs to reflect two-line multisite (lecoffreio/genealogie), enforce SSH execution requirements in analyse mode, and refresh deployment/multisite documentation links.
**Motivations:** - Mirror LeCoffre single-line deploy playbooks in ia_dev for Cursor /smartIde agents. **Root causes:** - N/A **Correctifs:** - N/A **Evolutions:** - deploy-test-site.md and deploy-pprod-or-prod-site.md pointing to LECOFFRE_REPO canonical agent files. **Pages affectées:** - ia_dev agent registry only.