improvement: newly created organization's subscriptions flow improved.

frontend/src/types/subscription.ts

@@ -1,11 +1,12 @@
 /** GET /auth/subscription-alert — owners only get meaningful flags */
 export interface SubscriptionAlertData {
   showWarning: boolean;
+  noActiveSubscription?: boolean;
   seatsLow: boolean;
   trialEndingSoon: boolean;
   trialExpired: boolean;
   seatsUsed?: number;
-  seatsLimit?: number;
+  seatsLimit?: number | null;
   daysUntilTrialEnd?: number | null;
   trialEndsAt?: string | null;
   daysUntilPlanEnd?: number | null;