ui: alerts list page + alert row partial + nav badge

internal/server/http/ui_handlers.go

@@ -89,6 +89,10 @@ func (s *Server) requireUIUser(w stdhttp.ResponseWriter, r *stdhttp.Request) *ui
 // authenticated page. Every UI page sits under the dashboard primary
 // nav today; if a future page lives under a different primary nav
 // tab (e.g. Settings, Audit), accept an Active arg again.
+//
+// OpenAlerts is populated via a quick store count so the nav badge
+// stays current on every page load without requiring a page-specific
+// store call.
 func (s *Server) baseView(u *ui.User) ui.ViewData {
 	return ui.ViewData{
 		User:    u,