fix(db): add missing indexes, bound unbounded queries, parallelize admin queries

- Add 7 missing indexes: User(kycStatus, isActive, createdAt),
  Listing(createdAt, featuredUntil, expiresAt), Payment(createdAt)
- Add take:50 limit to unbounded findMediaByPropertyId and findByPropertyId
- Parallelize sequential queries in getUserDetail with Promise.all

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

apps/api/src/modules/listings/infrastructure/repositories/prisma-property.repository.ts

@@ -78,6 +78,7 @@ export class PrismaPropertyRepository implements IPropertyRepository {
     const mediaList = await this.prisma.propertyMedia.findMany({
       where: { propertyId },
       orderBy: { order: 'asc' },
+      take: 50,
     });
     return mediaList.map((m) => this.toMediaDomain(m));
   }