feat(ui): add identity management for tenants and users

* Implement tenant and user creation in IdentityPage
* Add API calls for managing tenants and users
* Introduce tenant-scoped API requests
* Update sidebar to include identity navigation
* Create BooleanStatusBadge component for key status

internal/app/resolvespec_admin.go

@@ -10,6 +10,7 @@ import (
 	"github.com/uptrace/bunrouter"
 
 	"git.warky.dev/wdevs/amcs/internal/store"
+	"git.warky.dev/wdevs/amcs/internal/tenancy"
 )
 
 func registerResolveSpecAdminRoutes(mux *http.ServeMux, db *store.DB, middleware func(http.Handler) http.Handler, logger *slog.Logger) error {
@@ -45,7 +46,12 @@ func registerResolveSpecAdminRoutes(mux *http.ServeMux, db *store.DB, middleware
 			rsMount.ServeHTTP(w, r)
 			return
 		}
-		middleware(rsMount).ServeHTTP(w, r)
+		middleware(http.HandlerFunc(func(w http.ResponseWriter, authenticated *http.Request) {
+			if tenantID := strings.TrimSpace(authenticated.Header.Get("X-AMCS-Tenant-ID")); tenantID != "" {
+				authenticated = authenticated.WithContext(tenancy.WithTenantKey(authenticated.Context(), tenantID))
+			}
+			rsMount.ServeHTTP(w, authenticated)
+		})).ServeHTTP(w, r)
 	})
 
 	mux.Handle("/api/rs/", protectedRSMount)