improvement: account setting added to header in order to choose organizations/subscribtions/etc

frontend/src/types/index.ts

@@ -10,12 +10,25 @@ export interface Organization {
   name: string;
   type: 'CLINIC' | 'LAB';
   isOwner: boolean;
+  permissions?: string[];
   plan?: {
     name: string;
     maxUsers: number;
   };
 }
 
+/** GET /auth/subscription-alert — owners only get meaningful flags */
+export interface SubscriptionAlertData {
+  showWarning: boolean;
+  seatsLow: boolean;
+  trialEndingSoon: boolean;
+  trialExpired: boolean;
+  seatsUsed?: number;
+  seatsLimit?: number;
+  daysUntilTrialEnd?: number | null;
+  trialEndsAt?: string | null;
+}
+
 export interface AuthResponse {
   success: boolean;
   data: {