fix notifications

packages/database/prisma/schema.prisma

@@ -488,6 +488,27 @@ enum NotificationStatus {
   READ
 }
 
+enum NotificationRecipientType {
+  EMPLOYEE
+  RENTER
+}
+
+enum NotificationDeliveryStatus {
+  PENDING
+  QUEUED
+  SENT
+  DELIVERED
+  FAILED
+  SKIPPED
+  DEAD_LETTER
+}
+
+enum NotificationOutboxStatus {
+  PENDING
+  PUBLISHED
+  FAILED
+}
+
 enum CalendarBlockType {
   MANUAL
   MAINTENANCE
@@ -523,6 +544,8 @@ model Company {
   insurancePolicies    InsurancePolicy[]
   pricingRules         PricingRule[]
   notifications        Notification[]        @relation("CompanyNotifications")
+  notificationEvents   NotificationEvent[]
+  notificationDefaults CompanyNotificationPreference[]
   complaints           Complaint[]
   companyMenuItems     CompanyMenuItem[]
   apiKeys              CompanyApiKey[]
@@ -1013,6 +1036,7 @@ model Employee {
   isActive               Boolean      @default(true)
 
   notifications           Notification[]           @relation("EmployeeNotifications")
+  notificationRecipients  NotificationRecipient[]
   notificationPreferences NotificationPreference[]
   recordedRentalPayments  RentalPayment[]          @relation("RecordedRentalPayments")
 
@@ -1208,6 +1232,7 @@ model Renter {
   savedCompanies          RenterSavedCompany[]
   reviews                 Review[]
   notifications           Notification[]           @relation("RenterNotifications")
+  notificationRecipients  NotificationRecipient[]
   notificationPreferences NotificationPreference[]
 
   createdAt DateTime @default(now())
@@ -1509,6 +1534,87 @@ model Notification {
   @@map("notifications")
 }
 
+model NotificationEvent {
+  id             String           @id @default(cuid())
+  companyId      String
+  company        Company          @relation(fields: [companyId], references: [id], onDelete: Cascade)
+  type           NotificationType
+  templateKey    String?
+  locale         String           @default("en")
+  title          String
+  body           String
+  data           Json?
+  sourceType     String
+  sourceId       String
+  idempotencyKey String
+  recipients     NotificationRecipient[]
+  outboxEntries  NotificationOutbox[]
+  createdAt      DateTime         @default(now())
+
+  @@unique([companyId, idempotencyKey])
+  @@index([companyId, type, createdAt])
+  @@map("notification_events")
+}
+
+model NotificationRecipient {
+  id                  String                    @id @default(cuid())
+  notificationEventId String
+  notificationEvent   NotificationEvent         @relation(fields: [notificationEventId], references: [id], onDelete: Cascade)
+  recipientType       NotificationRecipientType
+  employeeId          String?
+  employee            Employee?                 @relation(fields: [employeeId], references: [id], onDelete: Cascade)
+  renterId            String?
+  renter              Renter?                   @relation(fields: [renterId], references: [id], onDelete: Cascade)
+  readAt              DateTime?
+  archivedAt          DateTime?
+  deliveries          NotificationDelivery[]
+  createdAt           DateTime                  @default(now())
+
+  @@index([employeeId, readAt, createdAt])
+  @@index([renterId, readAt, createdAt])
+  @@index([notificationEventId])
+  @@map("notification_recipients")
+}
+
+model NotificationDelivery {
+  id                      String                     @id @default(cuid())
+  notificationRecipientId String
+  notificationRecipient   NotificationRecipient      @relation(fields: [notificationRecipientId], references: [id], onDelete: Cascade)
+  channel                 NotificationChannel
+  status                  NotificationDeliveryStatus @default(PENDING)
+  attemptCount            Int                        @default(0)
+  lastAttemptAt           DateTime?
+  nextAttemptAt           DateTime?
+  provider                String?
+  providerMessageId       String?
+  failureCode             String?
+  failureReason           String?
+  preferenceDecision      String?
+  sentAt                  DateTime?
+  deliveredAt             DateTime?
+  createdAt               DateTime                   @default(now())
+  updatedAt               DateTime                   @updatedAt
+
+  @@unique([notificationRecipientId, channel])
+  @@index([channel, status, nextAttemptAt])
+  @@map("notification_deliveries")
+}
+
+model NotificationOutbox {
+  id                  String                   @id @default(cuid())
+  notificationEventId String
+  notificationEvent   NotificationEvent        @relation(fields: [notificationEventId], references: [id], onDelete: Cascade)
+  status              NotificationOutboxStatus @default(PENDING)
+  payload             Json
+  publishedAt         DateTime?
+  failureReason       String?
+  createdAt           DateTime                 @default(now())
+  updatedAt           DateTime                 @updatedAt
+
+  @@index([status, createdAt])
+  @@map("notification_outbox")
+}
+
 model NotificationTemplate {
   id                String              @id @default(cuid())
   templateKey       String
@@ -1544,6 +1650,18 @@ model NotificationPreference {
   @@map("notification_preferences")
 }
 
+model CompanyNotificationPreference {
+  id               String              @id @default(cuid())
+  companyId        String
+  company          Company             @relation(fields: [companyId], references: [id], onDelete: Cascade)
+  notificationType NotificationType
+  channel          NotificationChannel
+  enabled          Boolean             @default(true)
+
+  @@unique([companyId, notificationType, channel])
+  @@map("company_notification_preferences")
+}
+
 // ═══════════════════════════════════════════════════════════════
 // MAINTENANCE
 // ═══════════════════════════════════════════════════════════════