Fix subscription enum mismatch

backend/src/modules/subscriptions/entities/subscription.entity.ts

@@ -55,11 +55,7 @@ export class Subscription {
   @Column({ type: 'decimal', precision: 10, scale: 2 })
   price_jod!: number;
 
-  @Column({
+  @Column({ type: 'varchar', length: 20, default: 'monthly' })
-    type: 'enum',
-    enum: ['monthly', 'annual'],
-    default: 'monthly',
-  })
   billing_cycle!: string;
 
   @Column({ type: 'timestamp', nullable: true })