feat(api): improve notifications, reviews, search, and subscriptions modules

- Add listing-sold event listener with spec for notifications
- Add review-deleted event listener with spec for reviews
- Improve search handlers with proper Typesense client injection
- Improve subscription handlers with ConfigService and quota tracking

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/subscriptions/domain/events/quota-exceeded.event.ts

@@ -1,4 +1,4 @@
-import { type DomainEvent } from '@modules/shared/domain/domain-event';
+import { type DomainEvent } from '@modules/shared';
 
 export class QuotaExceededEvent implements DomainEvent {
   readonly eventName = 'quota.exceeded';

apps/api/src/modules/subscriptions/domain/events/subscription-cancelled.event.ts

@@ -1,5 +1,5 @@
 import { type PlanTier } from '@prisma/client';
-import { type DomainEvent } from '@modules/shared/domain/domain-event';
+import { type DomainEvent } from '@modules/shared';
 
 export class SubscriptionCancelledEvent implements DomainEvent {
   readonly eventName = 'subscription.cancelled';

apps/api/src/modules/subscriptions/domain/events/subscription-created.event.ts

@@ -1,5 +1,5 @@
 import { type PlanTier } from '@prisma/client';
-import { type DomainEvent } from '@modules/shared/domain/domain-event';
+import { type DomainEvent } from '@modules/shared';
 
 export class SubscriptionCreatedEvent implements DomainEvent {
   readonly eventName = 'subscription.created';

apps/api/src/modules/subscriptions/domain/events/subscription-upgraded.event.ts

@@ -1,5 +1,5 @@
 import { type PlanTier } from '@prisma/client';
-import { type DomainEvent } from '@modules/shared/domain/domain-event';
+import { type DomainEvent } from '@modules/shared';
 
 export class SubscriptionUpgradedEvent implements DomainEvent {
   readonly eventName = 'subscription.upgraded';