- wireguard: POST /peers with JSON encoding (was /add-peer)
- rules: delete by rule_id in URL path (was JSON body); pass rule objects with id from server; add hx-disable to initial render
- nat: port forward delete uses URL path params to match blueprint
- nat: masquerade toggle uses native hx-post/hx-vals (was inline fetch)
- app.js renderers updated to use URL path deletes for rules and forwards
- remove TODO.md