feat(ui): implement public status endpoint and update UI components

* add public status handler and response types
* modify status API to restrict access and update client tracking
* adjust UI components to display public status information
* update routing to include public status endpoint

.gitignore

@@ -33,5 +33,6 @@ bin/
 OB1/
 ui/node_modules/
 ui/.svelte-kit/
-internal/app/ui/dist/
+internal/app/ui/dist/*
+!internal/app/ui/dist/placeholder.txt
 .codex