diff --git a/apps/api/package.json b/apps/api/package.json
index 164e361..ad3cb3f 100644
--- a/apps/api/package.json
+++ b/apps/api/package.json
@@ -45,6 +45,7 @@
     "react": "^18.3.1",
     "resend": "^3.2.0",
     "socket.io": "^4.7.5",
+    "stripe": "^22.3.2",
     "swagger-ui-express": "^5.0.1",
     "turbo": "2.10.0",
     "twilio": "^5.1.0",
diff --git a/apps/api/src/index.ts b/apps/api/src/index.ts
index 83477d9..8d47dba 100644
--- a/apps/api/src/index.ts
+++ b/apps/api/src/index.ts
@@ -159,7 +159,6 @@ cron.schedule('0 9 * * *', async () => {
 cron.schedule('0 8 * * *', async () => {
   const now = new Date()
   const in30Days = new Date(now.getTime() + 30 * 24 * 60 * 60 * 1000)
-  const oneDayAgo = new Date(now.getTime() - 24 * 60 * 60 * 1000)
 
   // Fetch all candidate logs (date-due or has an odometer target), ordered newest-first per vehicle+type.
   // We keep only the LATEST log per vehicle+type so that once the owner logs a new service the
@@ -213,17 +212,6 @@ cron.schedule('0 8 * * *', async () => {
     const isDueSoon = !isOverdue && (dueSoonByDate || dueSoonByOdometer)
     if (!isOverdue && !isDueSoon) continue
 
-    // Dedup: don't send more than once per day for the same log
-    const alreadySent = await prisma.notification.findFirst({
-      where: {
-        type: 'VEHICLE_MAINTENANCE_DUE',
-        companyId: company.id,
-        createdAt: { gte: oneDayAgo },
-        data: { path: ['maintenanceLogId'], equals: log.id },
-      },
-    })
-    if (alreadySent) continue
-
     // Build human-readable description
     const dueParts: string[] = []
     if (isOverdueByDate) dueParts.push(`overdue since ${log.nextDueAt!.toLocaleDateString()}`)
@@ -236,26 +224,27 @@ cron.schedule('0 8 * * *', async () => {
       : `${log.type} due soon — ${vehicle.make} ${vehicle.model}`
     const body = `${log.type} for ${vehicle.make} ${vehicle.model} (${vehicle.licensePlate}): ${dueParts.join('; ')}. Please log the service to dismiss this reminder.`
 
-    await prisma.notification.create({
+    const reminderDate = now.toISOString().slice(0, 10)
+    await sendNotification({
+      type: 'VEHICLE_MAINTENANCE_DUE',
+      title,
+      body,
       data: {
-        type: 'VEHICLE_MAINTENANCE_DUE',
-        title,
-        body,
-        data: {
-          vehicleId: vehicle.id,
-          maintenanceLogId: log.id,
-          maintenanceType: log.type,
-          isOverdue,
-          daysLeft,
-          kmLeft,
-          isOverdueByDate,
-          isOverdueByOdometer,
-        },
-        companyId: company.id,
-        employeeId: recipient.id,
-        channel: 'IN_APP',
-        status: 'DELIVERED',
+        vehicleId: vehicle.id,
+        maintenanceLogId: log.id,
+        maintenanceType: log.type,
+        isOverdue,
+        daysLeft,
+        kmLeft,
+        isOverdueByDate,
+        isOverdueByOdometer,
       },
+      companyId: company.id,
+      employeeId: recipient.id,
+      channels: ['IN_APP'],
+      sourceType: 'maintenance_log',
+      sourceId: log.id,
+      idempotencyKey: `maintenance:${log.id}:${recipient.id}:${reminderDate}`,
     })
   }
 })
diff --git a/apps/api/src/modules/notifications/notification.repo.edge.test.ts b/apps/api/src/modules/notifications/notification.repo.edge.test.ts
index 0175cee..47da3d1 100644
--- a/apps/api/src/modules/notifications/notification.repo.edge.test.ts
+++ b/apps/api/src/modules/notifications/notification.repo.edge.test.ts
@@ -1,11 +1,14 @@
 import { describe, expect, it, vi } from 'vitest'
 
 const prismaMock = vi.hoisted(() => ({
-  notification: {
+  notificationRecipient: {
     findMany: vi.fn(),
     count: vi.fn(),
     updateMany: vi.fn(),
   },
+  notificationDelivery: {
+    findMany: vi.fn(),
+  },
   notificationPreference: {
     findMany: vi.fn(),
     upsert: vi.fn(),
@@ -17,25 +20,35 @@ vi.mock('../../lib/prisma', () => ({ prisma: prismaMock }))
 import * as repo from './notification.repo'
 
 describe('notification.repo query boundaries', () => {
-  it('scopes company in-app notification lists and applies unread filtering only when requested', async () => {
-    await repo.findCompany('company_1', 'true')
+  it('scopes company in-app notification lists to the authenticated employee recipient', async () => {
+    prismaMock.notificationRecipient.findMany.mockResolvedValue([])
+    await repo.findCompany('employee_1', 'true')
 
-    expect(prismaMock.notification.findMany).toHaveBeenCalledWith({
-      where: { companyId: 'company_1', channel: 'IN_APP', readAt: null },
+    expect(prismaMock.notificationRecipient.findMany).toHaveBeenCalledWith({
+      where: {
+        employeeId: 'employee_1',
+        archivedAt: null,
+        deliveries: { some: { channel: 'IN_APP' } },
+        readAt: null,
+      },
+      include: {
+        notificationEvent: true,
+        deliveries: { where: { channel: 'IN_APP' } },
+      },
       orderBy: { createdAt: 'desc' },
       take: 50,
     })
   })
 
-  it('marks a single company notification read with tenant scoping', async () => {
+  it('marks a single company notification read through recipient state only', async () => {
     vi.useFakeTimers()
     vi.setSystemTime(new Date('2026-06-09T13:00:00.000Z'))
 
-    await repo.markRead('notification_1', 'company_1')
+    await repo.markRead('recipient_1', 'employee_1')
 
-    expect(prismaMock.notification.updateMany).toHaveBeenCalledWith({
-      where: { id: 'notification_1', companyId: 'company_1' },
-      data: { readAt: new Date('2026-06-09T13:00:00.000Z'), status: 'READ' },
+    expect(prismaMock.notificationRecipient.updateMany).toHaveBeenCalledWith({
+      where: { id: 'recipient_1', employeeId: 'employee_1' },
+      data: { readAt: new Date('2026-06-09T13:00:00.000Z') },
     })
     vi.useRealTimers()
   })
@@ -43,17 +56,32 @@ describe('notification.repo query boundaries', () => {
   it('keeps renter bulk read updates constrained to renter in-app notifications', async () => {
     await repo.markAllRenterRead('renter_1')
 
-    expect(prismaMock.notification.updateMany).toHaveBeenCalledWith({
-      where: { renterId: 'renter_1', channel: 'IN_APP', readAt: null },
-      data: { readAt: expect.any(Date), status: 'READ' },
+    expect(prismaMock.notificationRecipient.updateMany).toHaveBeenCalledWith({
+      where: {
+        renterId: 'renter_1',
+        readAt: null,
+        archivedAt: null,
+        deliveries: { some: { channel: 'IN_APP' } },
+      },
+      data: { readAt: expect.any(Date) },
     })
   })
 
   it('defaults company notification history to a capped newest-first query', async () => {
+    prismaMock.notificationDelivery.findMany.mockResolvedValue([])
     await repo.findCompanyHistory('company_1')
 
-    expect(prismaMock.notification.findMany).toHaveBeenCalledWith({
-      where: { companyId: 'company_1' },
+    expect(prismaMock.notificationDelivery.findMany).toHaveBeenCalledWith({
+      where: {
+        notificationRecipient: {
+          notificationEvent: { companyId: 'company_1' },
+        },
+      },
+      include: {
+        notificationRecipient: {
+          include: { notificationEvent: true },
+        },
+      },
       orderBy: { createdAt: 'desc' },
       take: 200,
     })
@@ -61,7 +89,7 @@ describe('notification.repo query boundaries', () => {
 
   it('upserts employee preferences by composite key without cross-employee mutation', async () => {
     await repo.upsertEmployeePreferences('employee_1', [
-      { notificationType: 'RESERVATION_CREATED', channel: 'EMAIL', enabled: false },
+      { notificationType: 'NEW_BOOKING', channel: 'EMAIL', enabled: false },
       { notificationType: 'PAYMENT_RECEIVED', channel: 'IN_APP', enabled: true },
     ])
 
@@ -70,13 +98,13 @@ describe('notification.repo query boundaries', () => {
       where: {
         employeeId_notificationType_channel: {
           employeeId: 'employee_1',
-          notificationType: 'RESERVATION_CREATED',
+          notificationType: 'NEW_BOOKING',
           channel: 'EMAIL',
         },
       },
       create: {
         employeeId: 'employee_1',
-        notificationType: 'RESERVATION_CREATED',
+        notificationType: 'NEW_BOOKING',
         channel: 'EMAIL',
         enabled: false,
       },
@@ -86,21 +114,21 @@ describe('notification.repo query boundaries', () => {
 
   it('upserts renter preferences by renter composite key', async () => {
     await repo.upsertRenterPreferences('renter_1', [
-      { notificationType: 'RESERVATION_CONFIRMED', channel: 'PUSH', enabled: true },
+      { notificationType: 'BOOKING_CONFIRMED', channel: 'EMAIL', enabled: true },
     ])
 
     expect(prismaMock.notificationPreference.upsert).toHaveBeenCalledWith({
       where: {
         renterId_notificationType_channel: {
           renterId: 'renter_1',
-          notificationType: 'RESERVATION_CONFIRMED',
-          channel: 'PUSH',
+          notificationType: 'BOOKING_CONFIRMED',
+          channel: 'EMAIL',
         },
       },
       create: {
         renterId: 'renter_1',
-        notificationType: 'RESERVATION_CONFIRMED',
-        channel: 'PUSH',
+        notificationType: 'BOOKING_CONFIRMED',
+        channel: 'EMAIL',
         enabled: true,
       },
       update: { enabled: true },
diff --git a/apps/api/src/modules/notifications/notification.repo.ts b/apps/api/src/modules/notifications/notification.repo.ts
index 66d24a6..830ff8d 100644
--- a/apps/api/src/modules/notifications/notification.repo.ts
+++ b/apps/api/src/modules/notifications/notification.repo.ts
@@ -3,22 +3,109 @@ import { NotificationType, NotificationChannel } from '@rentaldrivego/database'
 
 // ─── Company notifications ────────────────────────────────────
 
-export function findCompany(companyId: string, unread?: string) {
-  const where: any = { companyId, channel: 'IN_APP' }
+function presentRecipientNotification(recipient: any) {
+  const event = recipient.notificationEvent
+  const inAppDelivery = recipient.deliveries?.find((delivery: any) => delivery.channel === 'IN_APP')
+  const firstDelivery = inAppDelivery ?? recipient.deliveries?.[0] ?? null
+
+  return {
+    id: recipient.id,
+    notificationEventId: event.id,
+    type: event.type,
+    title: event.title,
+    body: event.body,
+    data: event.data,
+    channel: firstDelivery?.channel ?? 'IN_APP',
+    status: recipient.readAt ? 'READ' : (firstDelivery?.status ?? 'DELIVERED'),
+    sentAt: firstDelivery?.sentAt ?? firstDelivery?.deliveredAt ?? null,
+    readAt: recipient.readAt,
+    createdAt: recipient.createdAt,
+    providerMessageId: firstDelivery?.providerMessageId ?? null,
+    locale: event.locale,
+  }
+}
+
+function presentDeliveryHistory(delivery: any) {
+  const recipient = delivery.notificationRecipient
+  const event = recipient.notificationEvent
+
+  return {
+    id: delivery.id,
+    recipientNotificationId: recipient.id,
+    notificationEventId: event.id,
+    type: event.type,
+    title: event.title,
+    body: event.body,
+    data: event.data,
+    channel: delivery.channel,
+    status: delivery.status,
+    attemptCount: delivery.attemptCount,
+    provider: delivery.provider,
+    lastAttemptAt: delivery.lastAttemptAt,
+    nextAttemptAt: delivery.nextAttemptAt,
+    sentAt: delivery.sentAt,
+    deliveredAt: delivery.deliveredAt,
+    failureCode: delivery.failureCode,
+    failureReason: delivery.failureReason,
+    preferenceDecision: delivery.preferenceDecision,
+    readAt: recipient.readAt,
+    createdAt: delivery.createdAt,
+    providerMessageId: delivery.providerMessageId,
+    locale: event.locale,
+    sourceType: event.sourceType,
+    sourceId: event.sourceId,
+    recipient: {
+      type: recipient.recipientType,
+      employeeId: recipient.employeeId,
+      renterId: recipient.renterId,
+    },
+  }
+}
+
+export async function findCompany(employeeId: string, unread?: string) {
+  const where: any = {
+    employeeId,
+    archivedAt: null,
+    deliveries: { some: { channel: 'IN_APP' } },
+  }
   if (unread === 'true') where.readAt = null
-  return prisma.notification.findMany({ where, orderBy: { createdAt: 'desc' }, take: 50 })
+  const rows = await prisma.notificationRecipient.findMany({
+    where,
+    include: {
+      notificationEvent: true,
+      deliveries: { where: { channel: 'IN_APP' } },
+    },
+    orderBy: { createdAt: 'desc' },
+    take: 50,
+  })
+  return rows.map(presentRecipientNotification)
 }
 
-export function countUnread(companyId: string) {
-  return prisma.notification.count({ where: { companyId, channel: 'IN_APP', readAt: null } })
+export function countUnread(employeeId: string) {
+  return prisma.notificationRecipient.count({
+    where: {
+      employeeId,
+      readAt: null,
+      archivedAt: null,
+      deliveries: { some: { channel: 'IN_APP' } },
+    },
+  })
 }
 
-export function markRead(id: string, companyId: string) {
-  return prisma.notification.updateMany({ where: { id, companyId }, data: { readAt: new Date(), status: 'READ' } })
+export function markRead(id: string, employeeId: string) {
+  return prisma.notificationRecipient.updateMany({ where: { id, employeeId }, data: { readAt: new Date() } })
 }
 
-export function markAllRead(companyId: string) {
-  return prisma.notification.updateMany({ where: { companyId, readAt: null }, data: { readAt: new Date(), status: 'READ' } })
+export function markAllRead(employeeId: string) {
+  return prisma.notificationRecipient.updateMany({
+    where: {
+      employeeId,
+      readAt: null,
+      archivedAt: null,
+      deliveries: { some: { channel: 'IN_APP' } },
+    },
+    data: { readAt: new Date() },
+  })
 }
 
 export function findEmployeePreferences(employeeId: string) {
@@ -39,28 +126,58 @@ export function findCompanyHistory(
   companyId: string,
   opts?: { channel?: string; status?: string; limit?: number },
 ) {
-  const where: any = { companyId }
+  const where: any = {
+    notificationRecipient: {
+      notificationEvent: { companyId },
+    },
+  }
   if (opts?.channel) where.channel = opts.channel
   if (opts?.status) where.status = opts.status
-  return prisma.notification.findMany({
+  return prisma.notificationDelivery.findMany({
     where,
+    include: {
+      notificationRecipient: {
+        include: { notificationEvent: true },
+      },
+    },
     orderBy: { createdAt: 'desc' },
     take: opts?.limit ?? 200,
-  })
+  }).then((rows) => rows.map(presentDeliveryHistory))
 }
 
 // ─── Renter notifications ─────────────────────────────────────
 
-export function findRenter(renterId: string) {
-  return prisma.notification.findMany({ where: { renterId, channel: 'IN_APP' }, orderBy: { createdAt: 'desc' }, take: 50 })
+export async function findRenter(renterId: string) {
+  const rows = await prisma.notificationRecipient.findMany({
+    where: {
+      renterId,
+      archivedAt: null,
+      deliveries: { some: { channel: 'IN_APP' } },
+    },
+    include: {
+      notificationEvent: true,
+      deliveries: { where: { channel: 'IN_APP' } },
+    },
+    orderBy: { createdAt: 'desc' },
+    take: 50,
+  })
+  return rows.map(presentRecipientNotification)
 }
 
 export function markRenterRead(id: string, renterId: string) {
-  return prisma.notification.updateMany({ where: { id, renterId }, data: { readAt: new Date(), status: 'READ' } })
+  return prisma.notificationRecipient.updateMany({ where: { id, renterId }, data: { readAt: new Date() } })
 }
 
 export function markAllRenterRead(renterId: string) {
-  return prisma.notification.updateMany({ where: { renterId, channel: 'IN_APP', readAt: null }, data: { readAt: new Date(), status: 'READ' } })
+  return prisma.notificationRecipient.updateMany({
+    where: {
+      renterId,
+      readAt: null,
+      archivedAt: null,
+      deliveries: { some: { channel: 'IN_APP' } },
+    },
+    data: { readAt: new Date() },
+  })
 }
 
 export function findRenterPreferences(renterId: string) {
diff --git a/apps/api/src/modules/notifications/notification.routes.ts b/apps/api/src/modules/notifications/notification.routes.ts
index 5b115ad..132a72a 100644
--- a/apps/api/src/modules/notifications/notification.routes.ts
+++ b/apps/api/src/modules/notifications/notification.routes.ts
@@ -3,6 +3,7 @@ import { requireCompanyAuth } from '../../middleware/requireCompanyAuth'
 import { requireTenant } from '../../middleware/requireTenant'
 import { requireSubscriptionRead, requireSubscriptionWrite } from '../../middleware/requireSubscription'
 import { requireRenterAuth } from '../../middleware/requireRenterAuth'
+import { requireRole } from '../../middleware/requireRole'
 import { parseBody, parseQuery, parseParams } from '../../http/validate'
 import { ok } from '../../http/respond'
 import * as service from './notification.service'
@@ -18,27 +19,27 @@ const companyWriteAuth = [requireCompanyAuth, requireTenant, requireSubscription
 router.get('/company', ...companyReadAuth, async (req, res, next) => {
   try {
     const { unread } = parseQuery(unreadQuerySchema, req)
-    ok(res, await service.listCompany(req.companyId, unread))
+    ok(res, await service.listCompany(req.employee.id, unread))
   } catch (err) { next(err) }
 })
 
 router.get('/unread-count', ...companyReadAuth, async (req, res, next) => {
   try {
-    ok(res, { unread: await service.countUnread(req.companyId) })
+    ok(res, { unread: await service.countUnread(req.employee.id) })
   } catch (err) { next(err) }
 })
 
 router.post('/company/:id/read', ...companyWriteAuth, async (req, res, next) => {
   try {
     const { id } = parseParams(idParamSchema, req)
-    await service.markRead(id, req.companyId)
+    await service.markRead(id, req.employee.id)
     ok(res, { success: true })
   } catch (err) { next(err) }
 })
 
 router.post('/company/read-all', ...companyWriteAuth, async (req, res, next) => {
   try {
-    await service.markAllRead(req.companyId)
+    await service.markAllRead(req.employee.id)
     ok(res, { success: true })
   } catch (err) { next(err) }
 })
@@ -57,7 +58,7 @@ router.patch('/company/preferences', ...companyWriteAuth, async (req, res, next)
   } catch (err) { next(err) }
 })
 
-router.get('/history', ...companyReadAuth, async (req, res, next) => {
+router.get('/history', ...companyReadAuth, requireRole('MANAGER'), async (req, res, next) => {
   try {
     const { channel, status, limit } = parseQuery(historyQuerySchema, req)
     ok(res, await service.listCompanyHistory(req.companyId, { channel, status, limit }))
diff --git a/apps/api/src/modules/notifications/notification.schemas.edge.test.ts b/apps/api/src/modules/notifications/notification.schemas.edge.test.ts
index 84bbcce..b986bd3 100644
--- a/apps/api/src/modules/notifications/notification.schemas.edge.test.ts
+++ b/apps/api/src/modules/notifications/notification.schemas.edge.test.ts
@@ -3,10 +3,12 @@ import { historyQuerySchema, idParamSchema, preferencesSchema, unreadQuerySchema
 
 describe('notification schema contracts', () => {
   it('requires complete preference entries', () => {
-    expect(preferencesSchema.parse([{ notificationType: 'BOOKING_CREATED', channel: 'EMAIL', enabled: true }])).toEqual([
-      { notificationType: 'BOOKING_CREATED', channel: 'EMAIL', enabled: true },
+    expect(preferencesSchema.parse([{ notificationType: 'NEW_BOOKING', channel: 'EMAIL', enabled: true }])).toEqual([
+      { notificationType: 'NEW_BOOKING', channel: 'EMAIL', enabled: true },
     ])
-    expect(() => preferencesSchema.parse([{ notificationType: 'BOOKING_CREATED', channel: 'EMAIL' }])).toThrow()
+    expect(() => preferencesSchema.parse([{ notificationType: 'NEW_BOOKING', channel: 'EMAIL' }])).toThrow()
+    expect(() => preferencesSchema.parse([{ notificationType: 'RESERVATION_CREATED', channel: 'EMAIL', enabled: true }])).toThrow()
+    expect(() => preferencesSchema.parse([{ notificationType: 'NEW_BOOKING', channel: 'PUSH', enabled: true }])).toThrow()
   })
 
   it('coerces history limits and caps bulk history requests', () => {
diff --git a/apps/api/src/modules/notifications/notification.schemas.ts b/apps/api/src/modules/notifications/notification.schemas.ts
index 2135234..7061118 100644
--- a/apps/api/src/modules/notifications/notification.schemas.ts
+++ b/apps/api/src/modules/notifications/notification.schemas.ts
@@ -1,8 +1,44 @@
 import { z } from 'zod'
 
+export const notificationTypeSchema = z.enum([
+  'ACCOUNT_CREATED',
+  'NEW_BOOKING',
+  'BOOKING_CANCELLED',
+  'PAYMENT_RECEIVED',
+  'PAYMENT_FAILED',
+  'DOCUMENTS_REQUIRED',
+  'PAYMENT_REQUIRED',
+  'SUBSCRIPTION_TRIAL_ENDING',
+  'SUBSCRIPTION_SUSPENDED',
+  'VEHICLE_MAINTENANCE_DUE',
+  'OFFER_EXPIRING',
+  'NEW_REVIEW_RECEIVED',
+  'BOOKING_CONFIRMED',
+  'PICKUP_REMINDER_24H',
+  'PICKUP_REMINDER_2H',
+  'VEHICLE_READY',
+  'RETURN_REMINDER',
+  'BOOKING_CANCELLED_BY_COMPANY',
+  'REFUND_PROCESSED',
+  'NEW_OFFER_FROM_SAVED_COMPANY',
+  'REVIEW_REQUEST',
+])
+
+export const notificationChannelSchema = z.enum(['EMAIL', 'SMS', 'WHATSAPP', 'IN_APP', 'PUSH'])
+export const implementedNotificationChannelSchema = z.enum(['EMAIL', 'IN_APP'])
+export const notificationDeliveryStatusSchema = z.enum([
+  'PENDING',
+  'QUEUED',
+  'SENT',
+  'DELIVERED',
+  'FAILED',
+  'SKIPPED',
+  'DEAD_LETTER',
+])
+
 export const preferenceItemSchema = z.object({
-  notificationType: z.string(),
-  channel:          z.string(),
+  notificationType: notificationTypeSchema,
+  channel:          implementedNotificationChannelSchema,
   enabled:          z.boolean(),
 })
 
@@ -17,7 +53,7 @@ export const unreadQuerySchema = z.object({
 })
 
 export const historyQuerySchema = z.object({
-  channel: z.string().optional(),
-  status:  z.string().optional(),
+  channel: notificationChannelSchema.optional(),
+  status:  notificationDeliveryStatusSchema.optional(),
   limit:   z.coerce.number().int().min(1).max(500).optional(),
 })
diff --git a/apps/api/src/modules/notifications/notification.service.test.ts b/apps/api/src/modules/notifications/notification.service.test.ts
index bcec027..9feb7f9 100644
--- a/apps/api/src/modules/notifications/notification.service.test.ts
+++ b/apps/api/src/modules/notifications/notification.service.test.ts
@@ -26,21 +26,21 @@ describe('notification.service', () => {
     vi.mocked(repo.findCompanyHistory).mockResolvedValue([{ id: 'h1' }] as never)
     vi.mocked(repo.countUnread).mockResolvedValue(4 as never)
 
-    await expect(service.listCompany('company_1', 'true')).resolves.toEqual([{ id: 'n1' }])
+    await expect(service.listCompany('employee_1', 'true')).resolves.toEqual([{ id: 'n1' }])
     await expect(service.listCompanyHistory('company_1', { channel: 'EMAIL', status: 'FAILED', limit: 25 })).resolves.toEqual([{ id: 'h1' }])
-    await expect(service.countUnread('company_1')).resolves.toBe(4)
+    await expect(service.countUnread('employee_1')).resolves.toBe(4)
 
-    expect(repo.findCompany).toHaveBeenCalledWith('company_1', 'true')
+    expect(repo.findCompany).toHaveBeenCalledWith('employee_1', 'true')
     expect(repo.findCompanyHistory).toHaveBeenCalledWith('company_1', { channel: 'EMAIL', status: 'FAILED', limit: 25 })
-    expect(repo.countUnread).toHaveBeenCalledWith('company_1')
+    expect(repo.countUnread).toHaveBeenCalledWith('employee_1')
   })
 
-  it('marks company notifications read only within the company tenant', async () => {
-    await service.markRead('notification_1', 'company_1')
-    await service.markAllRead('company_1')
+  it('marks company notifications read only for the authenticated employee recipient', async () => {
+    await service.markRead('notification_1', 'employee_1')
+    await service.markAllRead('employee_1')
 
-    expect(repo.markRead).toHaveBeenCalledWith('notification_1', 'company_1')
-    expect(repo.markAllRead).toHaveBeenCalledWith('company_1')
+    expect(repo.markRead).toHaveBeenCalledWith('notification_1', 'employee_1')
+    expect(repo.markAllRead).toHaveBeenCalledWith('employee_1')
   })
 
   it('reads and writes employee preferences through the employee identity, not the company id', async () => {
diff --git a/apps/api/src/modules/notifications/notification.service.ts b/apps/api/src/modules/notifications/notification.service.ts
index cae0e86..2aee4e3 100644
--- a/apps/api/src/modules/notifications/notification.service.ts
+++ b/apps/api/src/modules/notifications/notification.service.ts
@@ -1,10 +1,10 @@
 import * as repo from './notification.repo'
 
-export const listCompany      = (companyId: string, unread?: string) => repo.findCompany(companyId, unread)
+export const listCompany      = (employeeId: string, unread?: string) => repo.findCompany(employeeId, unread)
 export const listCompanyHistory = (companyId: string, opts?: { channel?: string; status?: string; limit?: number }) => repo.findCompanyHistory(companyId, opts)
-export const countUnread      = (companyId: string) => repo.countUnread(companyId)
-export const markRead         = (id: string, companyId: string) => repo.markRead(id, companyId)
-export const markAllRead      = (companyId: string) => repo.markAllRead(companyId)
+export const countUnread      = (employeeId: string) => repo.countUnread(employeeId)
+export const markRead         = (id: string, employeeId: string) => repo.markRead(id, employeeId)
+export const markAllRead      = (employeeId: string) => repo.markAllRead(employeeId)
 export const getPreferences   = (employeeId: string) => repo.findEmployeePreferences(employeeId)
 export const setPreferences   = (employeeId: string, prefs: any[]) => repo.upsertEmployeePreferences(employeeId, prefs)
 
diff --git a/apps/api/src/services/notificationService.test.ts b/apps/api/src/services/notificationService.test.ts
index 0b7affe..aeb3bbf 100644
--- a/apps/api/src/services/notificationService.test.ts
+++ b/apps/api/src/services/notificationService.test.ts
@@ -1,26 +1,36 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
-vi.mock('resend', () => ({ Resend: vi.fn() }))
-vi.mock('twilio', () => ({ default: vi.fn(() => ({ messages: { create: vi.fn() } })) }))
-vi.mock('firebase-admin', () => ({
-  default: {
-    apps: [],
-    initializeApp: vi.fn(),
-    credential: { cert: vi.fn() },
-    messaging: vi.fn(() => ({ send: vi.fn() })),
-  },
-}))
-vi.mock('../lib/prisma', () => ({
-  prisma: {
-    notification: {
-      create: vi.fn(),
-      update: vi.fn(),
+const prismaMock = vi.hoisted(() => {
+  const tx = {
+    notificationEvent: {
+      create: vi.fn().mockResolvedValue({ id: 'event_1' }),
     },
-  },
-}))
-vi.mock('../lib/redis', () => ({
-  redis: { publish: vi.fn(), on: vi.fn(), get: vi.fn(), set: vi.fn(), del: vi.fn(), quit: vi.fn() },
-}))
+    notificationRecipient: {
+      create: vi.fn().mockResolvedValue({ id: 'recipient_1' }),
+    },
+    notificationDelivery: {
+      create: vi.fn().mockImplementation(({ data }) => Promise.resolve({ id: `delivery_${data.channel}`, ...data })),
+    },
+    notificationOutbox: {
+      create: vi.fn().mockResolvedValue({ id: 'outbox_1' }),
+    },
+  }
+
+  return {
+    tx,
+    prisma: {
+      employee: { findFirst: vi.fn(), findMany: vi.fn() },
+      renter: { findUnique: vi.fn() },
+      notificationPreference: { findFirst: vi.fn() },
+      companyNotificationPreference: { findUnique: vi.fn() },
+      notificationEvent: { findUniqueOrThrow: vi.fn() },
+      $transaction: vi.fn((callback) => callback(tx)),
+    },
+  }
+})
+
+vi.mock('resend', () => ({ Resend: vi.fn() }))
+vi.mock('../lib/prisma', () => ({ prisma: prismaMock.prisma }))
 vi.mock('./notificationLocalizationService', async () => {
   const actual = await vi.importActual<typeof import('./notificationLocalizationService')>('./notificationLocalizationService')
   return {
@@ -31,104 +41,107 @@ vi.mock('./notificationLocalizationService', async () => {
 })
 
 import { prisma } from '../lib/prisma'
-import { redis } from '../lib/redis'
-import { sendNotification } from './notificationService'
+import { createNotification, sendNotification } from './notificationService'
 import { resolveNotificationLocale, resolveNotificationTemplate } from './notificationLocalizationService'
 
-describe('notificationService delivery boundaries', () => {
+describe('notificationService command boundaries', () => {
   beforeEach(() => {
     vi.clearAllMocks()
-    vi.mocked(prisma.notification.create).mockResolvedValue({ id: 'notification_1', title: 'Hello', body: 'Body' } as never)
-    vi.mocked(prisma.notification.update).mockResolvedValue({ id: 'notification_1' } as never)
+    vi.mocked(prisma.employee.findFirst).mockResolvedValue({
+      id: 'employee_1',
+      email: 'agent@example.test',
+      preferredLanguage: 'en',
+    } as never)
+    vi.mocked(prisma.notificationEvent.findUniqueOrThrow).mockResolvedValue({ recipients: [] } as never)
+    vi.mocked(prisma.notificationPreference.findFirst).mockResolvedValue(null as never)
+    vi.mocked(prisma.companyNotificationPreference.findUnique).mockResolvedValue(null as never)
     vi.mocked(resolveNotificationLocale).mockResolvedValue('en')
     vi.mocked(resolveNotificationTemplate).mockResolvedValue(null as never)
   })
 
-  it('persists and publishes in-app notifications for employee recipients', async () => {
-    const result = await sendNotification({
-      type: 'SYSTEM_ALERT' as never,
-      title: 'Maintenance window',
-      body: 'The dashboard will be unavailable.',
+  it('creates an event, explicit recipient, delivery rows, and an outbox row without inline provider calls', async () => {
+    const result = await createNotification({
       companyId: 'company_1',
-      employeeId: 'employee_1',
-      channels: ['IN_APP' as never],
-      data: { severity: 'low' },
+      type: 'NEW_BOOKING',
+      audience: { type: 'EMPLOYEE', employeeId: 'employee_1' },
+      channels: ['IN_APP', 'EMAIL'],
+      source: { type: 'reservation', id: 'reservation_1' },
+      idempotencyKey: 'reservation_1:new_booking:employee_1',
+      title: 'New booking',
+      body: 'A renter booked a vehicle.',
+      data: { reservationId: 'reservation_1' },
     })
 
-    expect(result).toEqual([{ channel: 'IN_APP', success: true }])
-    expect(resolveNotificationLocale).toHaveBeenCalledWith(expect.objectContaining({
-      companyId: 'company_1',
-      employeeId: 'employee_1',
-    }))
-    expect(prisma.notification.create).toHaveBeenCalledWith({
+    expect(result.duplicate).toBe(false)
+    expect(prisma.notificationEvent.findUniqueOrThrow).not.toHaveBeenCalled()
+    expect(prismaMock.tx.notificationEvent.create).toHaveBeenCalledWith({
       data: expect.objectContaining({
-        type: 'SYSTEM_ALERT',
-        title: 'Maintenance window',
-        body: 'The dashboard will be unavailable.',
-        channel: 'IN_APP',
-        status: 'PENDING',
         companyId: 'company_1',
+        type: 'NEW_BOOKING',
+        sourceType: 'reservation',
+        sourceId: 'reservation_1',
+      }),
+    })
+    expect(prismaMock.tx.notificationRecipient.create).toHaveBeenCalledWith({
+      data: {
+        notificationEventId: 'event_1',
+        recipientType: 'EMPLOYEE',
         employeeId: 'employee_1',
         renterId: null,
-      }),
+      },
     })
-    expect(redis.publish).toHaveBeenCalledWith(
-      'notifications:employee_1',
-      expect.stringContaining('"status":"DELIVERED"'),
-    )
-    expect(prisma.notification.update).toHaveBeenCalledWith({
-      where: { id: 'notification_1' },
-      data: expect.objectContaining({ status: 'SENT', providerMessageId: null }),
-    })
-  })
-
-  it('uses resolved templates and records failed channels without throwing', async () => {
-    vi.mocked(resolveNotificationTemplate).mockResolvedValue({
-      templateKey: 'reservation.confirmed',
-      locale: 'fr',
-      subject: 'Réservation confirmée',
-      body: 'Votre réservation est confirmée.',
-      usedFallback: false,
-      version: 2,
-    } as never)
-
-    const result = await sendNotification({
-      type: 'RESERVATION_UPDATE' as never,
-      templateKey: 'reservation.confirmed',
-      templateVariables: { firstName: 'Aya' },
-      companyId: 'company_1',
-      channels: ['EMAIL' as never],
-      email: 'aya@example.test',
-    })
-
-    expect(result).toEqual([{ channel: 'EMAIL', success: false, error: 'No email provider is configured' }])
-    expect(resolveNotificationTemplate).toHaveBeenCalledWith(expect.objectContaining({
-      templateKey: 'reservation.confirmed',
-      channel: 'EMAIL',
-      locale: 'en',
-      variables: { firstName: 'Aya' },
-    }))
-    expect(prisma.notification.create).toHaveBeenCalledWith({
+    expect(prismaMock.tx.notificationDelivery.create).toHaveBeenCalledWith({
       data: expect.objectContaining({
-        title: 'Réservation confirmée',
-        body: 'Votre réservation est confirmée.',
-        templateKey: 'reservation.confirmed',
-        locale: 'fr',
+        notificationRecipientId: 'recipient_1',
+        channel: 'IN_APP',
+        status: 'QUEUED',
+        preferenceDecision: 'ENABLED_BY_PRODUCT_DEFAULT',
+      }),
+    })
+    expect(prismaMock.tx.notificationOutbox.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        notificationEventId: 'event_1',
+        payload: expect.objectContaining({
+          notificationEventId: 'event_1',
+          type: 'NEW_BOOKING',
+        }),
       }),
     })
-    expect(prisma.notification.update).not.toHaveBeenCalled()
   })
 
-  it('fails incomplete notification content before persistence', async () => {
+  it('records skipped delivery decisions for unsupported optional channels', async () => {
     const result = await sendNotification({
-      type: 'SYSTEM_ALERT' as never,
-      title: 'Missing body',
-      channels: ['IN_APP' as never],
+      type: 'BOOKING_CONFIRMED',
+      title: 'Booking confirmed',
+      body: 'Your booking is confirmed.',
+      companyId: 'company_1',
       employeeId: 'employee_1',
+      channels: ['PUSH'],
+      data: { reservationId: 'reservation_1' },
     })
 
-    expect(result).toEqual([{ channel: 'IN_APP', success: false, error: 'Notification content is incomplete for channel IN_APP' }])
-    expect(prisma.notification.create).not.toHaveBeenCalled()
-    expect(redis.publish).not.toHaveBeenCalled()
+    expect(result).toEqual([
+      { channel: 'PUSH', success: false, error: 'Delivery channel disabled by notification policy or preference.' },
+    ])
+    expect(prismaMock.tx.notificationDelivery.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        channel: 'PUSH',
+        status: 'SKIPPED',
+        preferenceDecision: 'SKIPPED_UNSUPPORTED_CHANNEL',
+      }),
+    })
+  })
+
+  it('fails before persistence when an explicit recipient is missing', async () => {
+    const result = await sendNotification({
+      type: 'NEW_BOOKING',
+      title: 'Missing recipient',
+      body: 'No target.',
+      companyId: 'company_1',
+      channels: ['IN_APP'],
+    })
+
+    expect(result).toEqual([{ channel: 'IN_APP', success: false, error: 'An explicit employee or renter recipient is required' }])
+    expect(prismaMock.tx.notificationEvent.create).not.toHaveBeenCalled()
   })
 })
diff --git a/apps/api/src/services/notificationService.ts b/apps/api/src/services/notificationService.ts
index 79bdd66..059c970 100644
--- a/apps/api/src/services/notificationService.ts
+++ b/apps/api/src/services/notificationService.ts
@@ -1,8 +1,5 @@
 import { Resend } from 'resend'
-import twilio from 'twilio'
-import admin from 'firebase-admin'
 import { prisma } from '../lib/prisma'
-import { redis } from '../lib/redis'
 import { NotificationType, NotificationChannel } from '@rentaldrivego/database'
 import {
   renderLocalizedEmailHtml,
@@ -75,35 +72,6 @@ if (smtpHost && smtpPort && smtpUser && smtpPass) {
   }
 }
 
-const twilioClient =
-  process.env.TWILIO_ACCOUNT_SID &&
-  process.env.TWILIO_AUTH_TOKEN &&
-  process.env.TWILIO_ACCOUNT_SID !== 'AC...' &&
-  process.env.TWILIO_AUTH_TOKEN !== 'your-twilio-auth-token'
-    ? twilio(process.env.TWILIO_ACCOUNT_SID, process.env.TWILIO_AUTH_TOKEN)
-    : null
-
-const firebasePrivateKey = process.env.FIREBASE_PRIVATE_KEY?.replace(/\\n/g, '\n')
-const hasFirebaseConfig =
-  !!process.env.FIREBASE_PROJECT_ID &&
-  !!process.env.FIREBASE_CLIENT_EMAIL &&
-  !!firebasePrivateKey &&
-  !firebasePrivateKey.includes('BEGIN PRIVATE KEY-----\n...\n-----END PRIVATE KEY')
-
-if (hasFirebaseConfig && !admin.apps.length) {
-  try {
-    admin.initializeApp({
-      credential: admin.credential.cert({
-        projectId: process.env.FIREBASE_PROJECT_ID,
-        privateKey: firebasePrivateKey,
-        clientEmail: process.env.FIREBASE_CLIENT_EMAIL,
-      }),
-    })
-  } catch (err: any) {
-    console.warn('[Notifications] Firebase init skipped:', err.message)
-  }
-}
-
 interface SendNotificationOptions {
   type: NotificationType
   title?: string
@@ -120,6 +88,143 @@ interface SendNotificationOptions {
   locale?: string
   templateKey?: string
   templateVariables?: NotificationTemplateVariables
+  idempotencyKey?: string
+  sourceType?: string
+  sourceId?: string
+}
+
+type NotificationAudience =
+  | { type: 'EMPLOYEE'; employeeId: string }
+  | { type: 'RENTER'; renterId: string }
+  | { type: 'COMPANY_EMPLOYEES' }
+
+type NotificationPolicy = {
+  mandatory?: boolean
+  legalOrSecurity?: boolean
+}
+
+interface CreateNotificationOptions {
+  companyId: string
+  type: NotificationType
+  audience: NotificationAudience
+  templateKey?: string
+  variables?: NotificationTemplateVariables
+  channels?: NotificationChannel[]
+  source: {
+    type: string
+    id: string
+  }
+  idempotencyKey: string
+  policy?: NotificationPolicy
+  title?: string
+  body?: string
+  data?: Record<string, unknown>
+  locale?: string
+}
+
+const IMPLEMENTED_CHANNELS = new Set<NotificationChannel>(['IN_APP', 'EMAIL'])
+const PRODUCT_DEFAULT_ENABLED_CHANNELS = new Set<NotificationChannel>(['IN_APP', 'EMAIL'])
+
+function uniqueChannels(channels: NotificationChannel[] | undefined): NotificationChannel[] {
+  return Array.from(new Set(channels?.length ? channels : ['IN_APP']))
+}
+
+function buildLegacyIdempotencyKey(opts: SendNotificationOptions) {
+  const target = opts.employeeId ? `employee:${opts.employeeId}` : opts.renterId ? `renter:${opts.renterId}` : `company:${opts.companyId ?? 'none'}`
+  const sourceId = opts.sourceId ?? String(opts.data?.id ?? opts.data?.reservationId ?? opts.data?.bookingId ?? target)
+  return [
+    'legacy-notification',
+    opts.type,
+    opts.companyId ?? 'global',
+    target,
+    opts.sourceType ?? 'legacy',
+    sourceId,
+    opts.templateKey ?? 'inline',
+    uniqueChannels(opts.channels).join(','),
+  ].join(':')
+}
+
+async function resolveAudienceRecipients(companyId: string, audience: NotificationAudience) {
+  if (audience.type === 'EMPLOYEE') {
+    const employee = await prisma.employee.findFirst({
+      where: { id: audience.employeeId, companyId, isActive: true },
+      select: { id: true, email: true, preferredLanguage: true },
+    })
+    return employee ? [{ recipientType: 'EMPLOYEE' as const, employeeId: employee.id, renterId: null, email: employee.email, locale: employee.preferredLanguage }] : []
+  }
+
+  if (audience.type === 'RENTER') {
+    const renter = await prisma.renter.findUnique({
+      where: { id: audience.renterId },
+      select: { id: true, email: true, preferredLocale: true },
+    })
+    return renter ? [{ recipientType: 'RENTER' as const, employeeId: null, renterId: renter.id, email: renter.email, locale: renter.preferredLocale }] : []
+  }
+
+  const employees = await prisma.employee.findMany({
+    where: { companyId, isActive: true },
+    select: { id: true, email: true, preferredLanguage: true },
+  })
+  return employees.map((employee) => ({
+    recipientType: 'EMPLOYEE' as const,
+    employeeId: employee.id,
+    renterId: null,
+    email: employee.email,
+    locale: employee.preferredLanguage,
+  }))
+}
+
+async function resolvePreferenceDecision(input: {
+  companyId: string
+  employeeId: string | null
+  renterId: string | null
+  type: NotificationType
+  channel: NotificationChannel
+  policy?: NotificationPolicy
+}) {
+  if (input.policy?.legalOrSecurity) {
+    return { enabled: true, decision: 'BYPASSED_LEGAL_OR_SECURITY_REQUIREMENT' }
+  }
+  if (input.policy?.mandatory) {
+    return { enabled: true, decision: 'BYPASSED_MANDATORY_SYSTEM_POLICY' }
+  }
+  if (!IMPLEMENTED_CHANNELS.has(input.channel)) {
+    return { enabled: false, decision: 'SKIPPED_UNSUPPORTED_CHANNEL' }
+  }
+
+  const personalWhere = input.employeeId
+    ? { employeeId: input.employeeId, notificationType: input.type, channel: input.channel }
+    : { renterId: input.renterId!, notificationType: input.type, channel: input.channel }
+
+  const personal = await prisma.notificationPreference.findFirst({ where: personalWhere as any })
+  if (personal) {
+    return {
+      enabled: personal.enabled,
+      decision: personal.enabled ? 'ENABLED_BY_USER_PREFERENCE' : 'SKIPPED_BY_USER_PREFERENCE',
+    }
+  }
+
+  const companyDefault = await prisma.companyNotificationPreference.findUnique({
+    where: {
+      companyId_notificationType_channel: {
+        companyId: input.companyId,
+        notificationType: input.type,
+        channel: input.channel,
+      },
+    },
+  })
+  if (companyDefault) {
+    return {
+      enabled: companyDefault.enabled,
+      decision: companyDefault.enabled ? 'ENABLED_BY_COMPANY_DEFAULT' : 'SKIPPED_BY_COMPANY_DEFAULT',
+    }
+  }
+
+  const enabled = PRODUCT_DEFAULT_ENABLED_CHANNELS.has(input.channel)
+  return {
+    enabled,
+    decision: enabled ? 'ENABLED_BY_PRODUCT_DEFAULT' : 'SKIPPED_BY_PRODUCT_DEFAULT',
+  }
 }
 
 function resolveSmtpReplyTo() {
@@ -202,126 +307,169 @@ async function sendEmailWithProviders(opts: {
 }
 
 export async function sendNotification(opts: SendNotificationOptions) {
-  const results: Array<{ channel: NotificationChannel; success: boolean; error?: string }> = []
+  if (!opts.companyId) {
+    return uniqueChannels(opts.channels).map((channel) => ({
+      channel,
+      success: false,
+      error: 'companyId is required',
+    }))
+  }
+
+  const audience: NotificationAudience | null = opts.employeeId
+    ? { type: 'EMPLOYEE', employeeId: opts.employeeId }
+    : opts.renterId
+      ? { type: 'RENTER', renterId: opts.renterId }
+      : null
+
+  if (!audience) {
+    return uniqueChannels(opts.channels).map((channel) => ({
+      channel,
+      success: false,
+      error: 'An explicit employee or renter recipient is required',
+    }))
+  }
+
+  try {
+    const command = await createNotification({
+      companyId: opts.companyId,
+      type: opts.type,
+      audience,
+      templateKey: opts.templateKey,
+      variables: opts.templateVariables,
+      channels: opts.channels,
+      source: {
+        type: opts.sourceType ?? 'legacy',
+        id: opts.sourceId ?? String(opts.data?.id ?? opts.data?.reservationId ?? opts.data?.bookingId ?? audience.type),
+      },
+      idempotencyKey: opts.idempotencyKey ?? buildLegacyIdempotencyKey(opts),
+      title: opts.title,
+      body: opts.body,
+      data: opts.data,
+      locale: opts.locale,
+    })
+
+    return command.deliveries.map((delivery) => ({
+      channel: delivery.channel,
+      success: delivery.status !== 'SKIPPED',
+      error: delivery.status === 'SKIPPED' ? delivery.failureReason ?? delivery.preferenceDecision ?? 'Delivery skipped' : undefined,
+    }))
+  } catch (err: any) {
+    return uniqueChannels(opts.channels).map((channel) => ({
+      channel,
+      success: false,
+      error: err.message,
+    }))
+  }
+}
+
+export async function createNotification(opts: CreateNotificationOptions) {
   const resolvedLocale = await resolveNotificationLocale({
     companyId: opts.companyId,
-    employeeId: opts.employeeId,
-    renterId: opts.renterId,
-    billingAccountId: opts.billingAccountId,
     locale: opts.locale,
   })
+  const channels = uniqueChannels(opts.channels)
+  const renderChannel: NotificationChannel = channels.includes('IN_APP') ? 'IN_APP' : channels[0]!
+  const rendered = opts.templateKey
+    ? await resolveNotificationTemplate({
+        templateKey: opts.templateKey,
+        channel: renderChannel,
+        locale: resolvedLocale,
+        variables: opts.variables,
+      })
+    : null
 
-  for (const channel of opts.channels) {
-    try {
-      const rendered = opts.templateKey
-        ? await resolveNotificationTemplate({
-            templateKey: opts.templateKey,
-            channel,
-            locale: resolvedLocale,
-            variables: opts.templateVariables,
-          })
-        : null
+  const title = rendered?.subject ?? opts.title
+  const body = rendered?.body ?? opts.body
 
-      const title = rendered?.subject ?? opts.title
-      const body = rendered?.body ?? opts.body
+  if (!title || !body) {
+    throw new Error('Notification content is incomplete')
+  }
 
-      if (!title || !body) {
-        throw new Error(`Notification content is incomplete for channel ${channel}`)
-      }
+  const recipients = await resolveAudienceRecipients(opts.companyId, opts.audience)
+  if (recipients.length === 0) {
+    throw new Error('No eligible notification recipients were resolved')
+  }
 
-      const notification = await prisma.notification.create({
+  try {
+    return await prisma.$transaction(async (tx: any) => {
+      const createdEvent = await tx.notificationEvent.create({
         data: {
+          companyId: opts.companyId,
           type: opts.type,
+          templateKey: rendered?.templateKey ?? opts.templateKey ?? null,
+          locale: rendered?.locale ?? resolvedLocale,
           title,
           body,
           data: (opts.data ?? {}) as any,
-          channel,
-          templateKey: rendered?.templateKey ?? opts.templateKey ?? null,
-          locale: rendered?.locale ?? resolvedLocale,
-          status: 'PENDING',
-          companyId: opts.companyId ?? null,
-          employeeId: opts.employeeId ?? null,
-          renterId: opts.renterId ?? null,
+          sourceType: opts.source.type,
+          sourceId: opts.source.id,
+          idempotencyKey: opts.idempotencyKey,
         },
       })
 
-      let providerMessageId: string | null = null
-      let success = false
-
-      if (channel === 'EMAIL' && opts.email) {
-        const emailResult = await sendEmailWithProviders({
-          to: opts.email,
-          subject: title,
-          html: renderLocalizedEmailHtml(body, rendered?.locale ?? resolvedLocale),
-          text: body,
+      const deliveries: any[] = []
+      for (const recipient of recipients) {
+        const createdRecipient = await tx.notificationRecipient.create({
+          data: {
+            notificationEventId: createdEvent.id,
+            recipientType: recipient.recipientType,
+            employeeId: recipient.employeeId,
+            renterId: recipient.renterId,
+          },
         })
-        providerMessageId = emailResult.providerMessageId
-        success = true
-      }
 
-      if (channel === 'SMS' && opts.phone) {
-        if (!twilioClient) throw new Error('Twilio is not configured')
-        const msg = await twilioClient.messages.create({
-          body,
-          from: process.env.TWILIO_PHONE_NUMBER!,
-          to: opts.phone,
-        })
-        providerMessageId = msg.sid
-        success = true
-      }
-
-      if (channel === 'WHATSAPP' && opts.phone) {
-        if (!twilioClient) throw new Error('Twilio is not configured')
-        const msg = await twilioClient.messages.create({
-          body,
-          from: `whatsapp:${process.env.TWILIO_WHATSAPP_NUMBER}`,
-          to: `whatsapp:${opts.phone}`,
-        })
-        providerMessageId = msg.sid
-        success = true
-      }
-
-      if (channel === 'PUSH' && opts.fcmToken) {
-        if (!admin.apps.length) throw new Error('Firebase is not configured')
-        const response = await admin.messaging().send({
-          token: opts.fcmToken,
-          notification: { title, body },
-          data: Object.fromEntries(
-            Object.entries(opts.data ?? {}).map(([k, v]) => [k, String(v)])
-          ),
-        })
-        providerMessageId = response
-        success = true
-      }
-
-      if (channel === 'IN_APP') {
-        // Emit via Socket.io through Redis pub/sub
-        const targetId = opts.employeeId ?? opts.renterId
-        if (targetId) {
-          await redis.publish(
-            `notifications:${targetId}`,
-            JSON.stringify({ ...notification, status: 'DELIVERED' })
-          )
+        for (const channel of channels) {
+          const preference = await resolvePreferenceDecision({
+            companyId: opts.companyId,
+            employeeId: recipient.employeeId,
+            renterId: recipient.renterId,
+            type: opts.type,
+            channel,
+            policy: opts.policy,
+          })
+          const status = preference.enabled ? 'QUEUED' : 'SKIPPED'
+          const delivery = await tx.notificationDelivery.create({
+            data: {
+              notificationRecipientId: createdRecipient.id,
+              channel,
+              status,
+              preferenceDecision: preference.decision,
+              failureCode: preference.enabled ? null : preference.decision,
+              failureReason: preference.enabled ? null : 'Delivery channel disabled by notification policy or preference.',
+            },
+          })
+          deliveries.push(delivery)
         }
-        success = true
       }
 
-      await prisma.notification.update({
-        where: { id: notification.id },
+      await tx.notificationOutbox.create({
         data: {
-          status: success ? 'SENT' : 'FAILED',
-          sentAt: success ? new Date() : null,
-          providerMessageId,
+          notificationEventId: createdEvent.id,
+          payload: {
+            notificationEventId: createdEvent.id,
+            type: opts.type,
+            channels,
+            source: opts.source,
+          },
         },
       })
 
-      results.push({ channel, success })
-    } catch (err: any) {
-      results.push({ channel, success: false, error: err.message })
+      return { event: createdEvent, deliveries, duplicate: false }
+    })
+  } catch (err: any) {
+    if (err?.code !== 'P2002') throw err
+
+    const event = await prisma.notificationEvent.findUniqueOrThrow({
+      where: { companyId_idempotencyKey: { companyId: opts.companyId, idempotencyKey: opts.idempotencyKey } },
+      include: { recipients: { include: { deliveries: true } } },
+    })
+
+    return {
+      event,
+      deliveries: event.recipients.flatMap((recipient: any) => recipient.deliveries),
+      duplicate: true,
     }
   }
-
-  return results
 }
 
 export async function sendTransactionalEmail(opts: {
diff --git a/apps/api/src/tests/api/operations-validation.api.test.ts b/apps/api/src/tests/api/operations-validation.api.test.ts
index ee67ed9..97a692e 100644
--- a/apps/api/src/tests/api/operations-validation.api.test.ts
+++ b/apps/api/src/tests/api/operations-validation.api.test.ts
@@ -119,12 +119,12 @@ describe('operations validation API contracts', () => {
 
   it('accepts valid company notification preferences and passes employee identity', async () => {
     const res = await request(app).patch('/api/v1/notifications/company/preferences').send([
-      { notificationType: 'BOOKING_CREATED', channel: 'EMAIL', enabled: true },
+      { notificationType: 'NEW_BOOKING', channel: 'EMAIL', enabled: true },
     ])
 
     expect(res.status).toBe(200)
     expect(notificationService.setPreferences).toHaveBeenCalledWith('employee_1', [
-      { notificationType: 'BOOKING_CREATED', channel: 'EMAIL', enabled: true },
+      { notificationType: 'NEW_BOOKING', channel: 'EMAIL', enabled: true },
     ])
   })
 
diff --git a/apps/api/src/tests/api/operations.api.test.ts b/apps/api/src/tests/api/operations.api.test.ts
index ac7d4be..6433b2e 100644
--- a/apps/api/src/tests/api/operations.api.test.ts
+++ b/apps/api/src/tests/api/operations.api.test.ts
@@ -146,6 +146,7 @@ describe('operations API contracts', () => {
 
     expect(res.status).toBe(200)
     expect(res.body).toEqual({ data: { unread: 7 } })
+    expect(notificationService.countUnread).toHaveBeenCalledWith('employee_1')
   })
 
   it('GET /api/v1/notifications/history coerces limit and passes history filters to the service', async () => {
diff --git a/apps/api/src/tests/helpers/fixtures.ts b/apps/api/src/tests/helpers/fixtures.ts
index 30c1885..84ebcfc 100644
--- a/apps/api/src/tests/helpers/fixtures.ts
+++ b/apps/api/src/tests/helpers/fixtures.ts
@@ -182,35 +182,78 @@ export async function createCompanyNotification(
   employeeId?: string,
   overrides: Record<string, unknown> = {},
 ) {
-  return prisma.notification.create({
+  const notificationEvent = await prisma.notificationEvent.create({
     data: {
       companyId,
-      employeeId,
-      type:    'PAYMENT_RECEIVED',
-      title:   'Payment received',
-      body:    'A payment was recorded.',
-      channel: 'IN_APP',
-      status:  'PENDING',
-      ...overrides,
+      type:           (overrides.type ?? 'PAYMENT_RECEIVED') as any,
+      title:          (overrides.title ?? 'Payment received') as string,
+      body:           (overrides.body ?? 'A payment was recorded.') as string,
+      data:           (overrides.data ?? {}) as any,
+      sourceType:     (overrides.sourceType ?? 'test') as string,
+      sourceId:       (overrides.sourceId ?? `source-${uid()}`) as string,
+      idempotencyKey: (overrides.idempotencyKey ?? `test-${uid()}`) as string,
     } as any,
   })
+
+  const recipient = await prisma.notificationRecipient.create({
+    data: {
+      notificationEventId: notificationEvent.id,
+      recipientType: 'EMPLOYEE',
+      employeeId,
+      readAt: (overrides.readAt ?? null) as Date | null,
+    } as any,
+  })
+
+  await prisma.notificationDelivery.create({
+    data: {
+      notificationRecipientId: recipient.id,
+      channel: (overrides.channel ?? 'IN_APP') as any,
+      status: (overrides.status ?? 'DELIVERED') === 'READ' ? 'DELIVERED' : (overrides.status ?? 'DELIVERED') as any,
+      deliveredAt: overrides.sentAt ? (overrides.sentAt as Date) : new Date(),
+    } as any,
+  })
+
+  return recipient
 }
 
 export async function createRenterNotification(
   renterId: string,
   overrides: Record<string, unknown> = {},
 ) {
-  return prisma.notification.create({
+  const companyId = (overrides.companyId as string | undefined)
+    ?? (await prisma.company.findFirstOrThrow({ select: { id: true } })).id
+  const notificationEvent = await prisma.notificationEvent.create({
     data: {
-      renterId,
-      type:    'BOOKING_CONFIRMED',
-      title:   'Booking confirmed',
-      body:    'Your booking is confirmed.',
-      channel: 'IN_APP',
-      status:  'PENDING',
-      ...overrides,
+      companyId,
+      type:           (overrides.type ?? 'BOOKING_CONFIRMED') as any,
+      title:          (overrides.title ?? 'Booking confirmed') as string,
+      body:           (overrides.body ?? 'Your booking is confirmed.') as string,
+      data:           (overrides.data ?? {}) as any,
+      sourceType:     (overrides.sourceType ?? 'test') as string,
+      sourceId:       (overrides.sourceId ?? `source-${uid()}`) as string,
+      idempotencyKey: (overrides.idempotencyKey ?? `test-${uid()}`) as string,
     } as any,
   })
+
+  const recipient = await prisma.notificationRecipient.create({
+    data: {
+      notificationEventId: notificationEvent.id,
+      recipientType: 'RENTER',
+      renterId,
+      readAt: (overrides.readAt ?? null) as Date | null,
+    } as any,
+  })
+
+  await prisma.notificationDelivery.create({
+    data: {
+      notificationRecipientId: recipient.id,
+      channel: (overrides.channel ?? 'IN_APP') as any,
+      status: (overrides.status ?? 'DELIVERED') === 'READ' ? 'DELIVERED' : (overrides.status ?? 'DELIVERED') as any,
+      deliveredAt: overrides.sentAt ? (overrides.sentAt as Date) : new Date(),
+    } as any,
+  })
+
+  return recipient
 }
 
 export function signEmployeeToken(employeeId: string, _companyId: string, _role: string = 'OWNER') {
diff --git a/apps/api/src/tests/integration/notifications.test.ts b/apps/api/src/tests/integration/notifications.test.ts
index 61deb4a..57e0c16 100644
--- a/apps/api/src/tests/integration/notifications.test.ts
+++ b/apps/api/src/tests/integration/notifications.test.ts
@@ -115,7 +115,7 @@ describe('Notifications API', () => {
 
     it('updates renter notification preferences', async () => {
       const payload = [
-        { notificationType: 'BOOKING_CONFIRMED', channel: 'PUSH', enabled: true },
+        { notificationType: 'BOOKING_CONFIRMED', channel: 'EMAIL', enabled: true },
       ]
 
       const patchRes = await request(app)
@@ -136,7 +136,7 @@ describe('Notifications API', () => {
           expect.objectContaining({
             renterId,
             notificationType: 'BOOKING_CONFIRMED',
-            channel: 'PUSH',
+            channel: 'EMAIL',
             enabled: true,
           }),
         ]),
diff --git a/apps/api/src/tests/integration/operations.test.ts b/apps/api/src/tests/integration/operations.test.ts
index f08060c..6a4173f 100644
--- a/apps/api/src/tests/integration/operations.test.ts
+++ b/apps/api/src/tests/integration/operations.test.ts
@@ -82,7 +82,7 @@ describe('Operations API integration', () => {
     expect(marked.status).toBe(200)
     expect(marked.body.data).toEqual({ success: true })
 
-    const stored = await prisma.notification.findUniqueOrThrow({ where: { id: notification.id } })
+    const stored = await prisma.notificationRecipient.findUniqueOrThrow({ where: { id: notification.id } })
     expect(stored.readAt).toBeInstanceOf(Date)
   })
 
diff --git a/apps/dashboard/src/app/(dashboard)/notifications/page.tsx b/apps/dashboard/src/app/(dashboard)/notifications/page.tsx
index a127be7..52d6d01 100644
--- a/apps/dashboard/src/app/(dashboard)/notifications/page.tsx
+++ b/apps/dashboard/src/app/(dashboard)/notifications/page.tsx
@@ -25,15 +25,15 @@ type PreferenceItem = {
 }
 
 const COMPANY_EVENTS = [
-  'NEW_RESERVATION',
-  'RESERVATION_CANCELLED',
+  'NEW_BOOKING',
+  'BOOKING_CANCELLED',
   'PAYMENT_RECEIVED',
   'SUBSCRIPTION_TRIAL_ENDING',
-  'MAINTENANCE_DUE',
+  'VEHICLE_MAINTENANCE_DUE',
   'OFFER_EXPIRING',
 ]
 
-const COMPANY_CHANNELS = ['EMAIL', 'SMS', 'WHATSAPP', 'IN_APP', 'PUSH']
+const COMPANY_CHANNELS = ['EMAIL', 'IN_APP']
 
 const CHANNEL_BADGE: Record<string, string> = {
   EMAIL:    'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300',
@@ -45,9 +45,12 @@ const CHANNEL_BADGE: Record<string, string> = {
 
 const STATUS_BADGE: Record<string, string> = {
   PENDING:   'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/40 dark:text-yellow-300',
+  QUEUED:    'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300',
   SENT:      'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300',
   DELIVERED: 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300',
   FAILED:    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300',
+  SKIPPED:   'bg-slate-100 text-slate-600 dark:bg-slate-800 dark:text-slate-400',
+  DEAD_LETTER: 'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300',
   READ:      'bg-slate-100 text-slate-600 dark:bg-slate-800 dark:text-slate-400',
 }
 
@@ -89,14 +92,13 @@ export default function DashboardNotificationsPage() {
       failedLoad: 'Failed to load notifications',
       failedSave: 'Failed to save preferences',
       noHistory: 'No notification history found.',
-      channels: { EMAIL: 'Email', SMS: 'SMS', WHATSAPP: 'WhatsApp', IN_APP: 'In-app', PUSH: 'Push' } as Record<string, string>,
-      statuses: { PENDING: 'Pending', SENT: 'Sent', DELIVERED: 'Delivered', FAILED: 'Failed', READ: 'Read' } as Record<string, string>,
+      channels: { EMAIL: 'Email', IN_APP: 'In-app' } as Record<string, string>,
+      statuses: { PENDING: 'Pending', QUEUED: 'Queued', SENT: 'Sent', DELIVERED: 'Delivered', FAILED: 'Failed', SKIPPED: 'Skipped', DEAD_LETTER: 'Dead letter', READ: 'Read' } as Record<string, string>,
       events: {
-        NEW_RESERVATION: 'New reservation',
-        RESERVATION_CANCELLED: 'Reservation cancelled',
+        NEW_BOOKING: 'New booking',
+        BOOKING_CANCELLED: 'Booking cancelled',
         PAYMENT_RECEIVED: 'Payment received',
         SUBSCRIPTION_TRIAL_ENDING: 'Trial ending',
-        MAINTENANCE_DUE: 'Maintenance due',
         OFFER_EXPIRING: 'Offer expiring',
         BOOKING_CONFIRMED: 'Booking confirmed',
         VEHICLE_MAINTENANCE_DUE: 'Vehicle maintenance due',
@@ -125,14 +127,13 @@ export default function DashboardNotificationsPage() {
       failedLoad: 'Échec du chargement des notifications',
       failedSave: 'Échec de l\'enregistrement des préférences',
       noHistory: 'Aucun historique de notification trouvé.',
-      channels: { EMAIL: 'Email', SMS: 'SMS', WHATSAPP: 'WhatsApp', IN_APP: 'Dans l\'application', PUSH: 'Push' } as Record<string, string>,
-      statuses: { PENDING: 'En attente', SENT: 'Envoyé', DELIVERED: 'Délivré', FAILED: 'Échoué', READ: 'Lu' } as Record<string, string>,
+      channels: { EMAIL: 'Email', IN_APP: 'Dans l\'application' } as Record<string, string>,
+      statuses: { PENDING: 'En attente', QUEUED: 'En file', SENT: 'Envoyé', DELIVERED: 'Délivré', FAILED: 'Échoué', SKIPPED: 'Ignoré', DEAD_LETTER: 'Échec final', READ: 'Lu' } as Record<string, string>,
       events: {
-        NEW_RESERVATION: 'Nouvelle réservation',
-        RESERVATION_CANCELLED: 'Réservation annulée',
+        NEW_BOOKING: 'Nouvelle réservation',
+        BOOKING_CANCELLED: 'Réservation annulée',
         PAYMENT_RECEIVED: 'Paiement reçu',
         SUBSCRIPTION_TRIAL_ENDING: 'Fin d\'essai proche',
-        MAINTENANCE_DUE: 'Maintenance due',
         OFFER_EXPIRING: 'Offre expirante',
         BOOKING_CONFIRMED: 'Réservation confirmée',
         VEHICLE_MAINTENANCE_DUE: 'Maintenance véhicule due',
@@ -161,14 +162,13 @@ export default function DashboardNotificationsPage() {
       failedLoad: 'فشل تحميل الإشعارات',
       failedSave: 'فشل حفظ التفضيلات',
       noHistory: 'لا يوجد سجل إشعارات.',
-      channels: { EMAIL: 'البريد', SMS: 'رسائل', WHATSAPP: 'واتساب', IN_APP: 'داخل التطبيق', PUSH: 'إشعار فوري' } as Record<string, string>,
-      statuses: { PENDING: 'قيد الانتظار', SENT: 'مرسل', DELIVERED: 'تم التسليم', FAILED: 'فشل', READ: 'مقروء' } as Record<string, string>,
+      channels: { EMAIL: 'البريد', IN_APP: 'داخل التطبيق' } as Record<string, string>,
+      statuses: { PENDING: 'قيد الانتظار', QUEUED: 'في قائمة الانتظار', SENT: 'مرسل', DELIVERED: 'تم التسليم', FAILED: 'فشل', SKIPPED: 'تم التجاوز', DEAD_LETTER: 'فشل نهائي', READ: 'مقروء' } as Record<string, string>,
       events: {
-        NEW_RESERVATION: 'حجز جديد',
-        RESERVATION_CANCELLED: 'إلغاء حجز',
+        NEW_BOOKING: 'حجز جديد',
+        BOOKING_CANCELLED: 'إلغاء حجز',
         PAYMENT_RECEIVED: 'تم استلام الدفع',
         SUBSCRIPTION_TRIAL_ENDING: 'اقتراب نهاية التجربة',
-        MAINTENANCE_DUE: 'صيانة مستحقة',
         OFFER_EXPIRING: 'عرض على وشك الانتهاء',
         BOOKING_CONFIRMED: 'تأكيد الحجز',
         VEHICLE_MAINTENANCE_DUE: 'صيانة المركبة مستحقة',
diff --git a/apps/dashboard/src/components/layout/Sidebar.boundary.test.ts b/apps/dashboard/src/components/layout/Sidebar.boundary.test.ts
index d410df8..1d9fd8d 100644
--- a/apps/dashboard/src/components/layout/Sidebar.boundary.test.ts
+++ b/apps/dashboard/src/components/layout/Sidebar.boundary.test.ts
@@ -2,14 +2,14 @@ import { describe, expect, it } from 'vitest'
 import { APPROVED_BASELINE_MENU_KEYS, getEmployeeLogoutRedirectUrl, hasRenderableMenuItems, shouldUseGeneratedMenu } from './Sidebar'
 
 describe('Sidebar menu rendering helpers', () => {
-  it('keeps the safe fallback menu to the approved seven baseline items in order', () => {
+  it('keeps dashboard first, then sorts the remaining safe fallback items alphabetically', () => {
     expect(APPROVED_BASELINE_MENU_KEYS).toEqual([
       'dashboard',
-      'reservations',
-      'fleet',
-      'customers',
-      'reports',
       'billing',
+      'customers',
+      'fleet',
+      'reports',
+      'reservations',
       'settings',
     ])
   })
diff --git a/apps/dashboard/src/components/layout/Sidebar.tsx b/apps/dashboard/src/components/layout/Sidebar.tsx
index e282c3e..910d5ad 100644
--- a/apps/dashboard/src/components/layout/Sidebar.tsx
+++ b/apps/dashboard/src/components/layout/Sidebar.tsx
@@ -101,7 +101,13 @@ const OWNER_SYSTEM_NAV_ITEMS = [
   { href: '/subscription', key: 'subscription', icon: 'CreditCard', minRole: 'OWNER' },
 ] as const
 
-export const APPROVED_BASELINE_MENU_KEYS = NAV_ITEMS.map((item) => item.key)
+export const APPROVED_BASELINE_MENU_KEYS = [...NAV_ITEMS]
+  .sort((a, b) => {
+    if (a.key === 'dashboard') return -1
+    if (b.key === 'dashboard') return 1
+    return a.key.localeCompare(b.key)
+  })
+  .map((item) => item.key)
 
 const ICON_MAP = {
   LayoutDashboard,
@@ -152,6 +158,24 @@ export function getEmployeeLogoutRedirectUrl() {
   return websiteUrl
 }
 
+function sortSidebarMenuItemsAlphabetically(
+  items: GeneratedMenuItem[],
+  resolveLabel: (item: GeneratedMenuItem) => string,
+): GeneratedMenuItem[] {
+  return [...items]
+    .map((item) => ({
+      ...item,
+      children: sortSidebarMenuItemsAlphabetically(item.children, resolveLabel),
+    }))
+    .sort((a, b) => {
+      if (a.systemKey === 'dashboard') return -1
+      if (b.systemKey === 'dashboard') return 1
+      const labelCompare = resolveLabel(a).localeCompare(resolveLabel(b), undefined, { sensitivity: 'base' })
+      if (labelCompare !== 0) return labelCompare
+      return (a.systemKey ?? a.id).localeCompare(b.systemKey ?? b.id)
+    })
+}
+
 function notifyParent(message: Record<string, unknown>) {
   if (typeof window === 'undefined' || window.parent === window) return
   window.parent.postMessage(message, '*')
@@ -172,6 +196,7 @@ export default function Sidebar() {
   const [menuItems, setMenuItems] = useState<GeneratedMenuItem[] | null>(null)
   const [menuAccessLevel, setMenuAccessLevel] = useState<SubscriptionAccessLevel | null>(null)
   const [menuLoadState, setMenuLoadState] = useState<'loading' | 'loaded' | 'failed'>('loading')
+  const [unreadCount, setUnreadCount] = useState(0)
   const [open, setOpen] = useState(false)
   const [mounted, setMounted] = useState(false)
 
@@ -276,6 +301,36 @@ export default function Sidebar() {
   // Close sidebar when navigating on mobile
   useEffect(() => { setOpen(false) }, [pathname])
 
+  async function refreshUnreadCount() {
+    try {
+      const data = await apiFetch<{ unread: number }>('/notifications/unread-count')
+      setUnreadCount(data.unread)
+    } catch {
+      setUnreadCount(0)
+    }
+  }
+
+  useEffect(() => {
+    refreshUnreadCount()
+  }, [pathname])
+
+  useEffect(() => {
+    const refresh = () => { void refreshUnreadCount() }
+    const refreshWhenVisible = () => {
+      if (document.visibilityState === 'visible') refresh()
+    }
+    window.addEventListener('notifications:updated', refresh)
+    window.addEventListener('online', refresh)
+    window.addEventListener('focus', refresh)
+    document.addEventListener('visibilitychange', refreshWhenVisible)
+    return () => {
+      window.removeEventListener('notifications:updated', refresh)
+      window.removeEventListener('online', refresh)
+      window.removeEventListener('focus', refresh)
+      document.removeEventListener('visibilitychange', refreshWhenVisible)
+    }
+  }, [])
+
   const isActive = (item: typeof NAV_ITEMS[number]) => {
     if ('exact' in item && item.exact) return appPath === item.href
     return appPath.startsWith(item.href)
@@ -328,6 +383,10 @@ export default function Sidebar() {
     ...generatedMenuItems,
     ...ownerSystemMenuItems.filter((item) => !generatedRoutes.has(toDashboardAppPath(item.routeOrUrl))),
   ]
+  const sortedResolvedMenuItems = sortSidebarMenuItemsAlphabetically(
+    resolvedMenuItems,
+    (item) => item.systemKey ? (dict.nav[item.systemKey] ?? item.label) : item.label,
+  )
 
   function renderGeneratedMenu(items: GeneratedMenuItem[], depth = 0): ReactNode {
     return items.map((item) => {
@@ -360,6 +419,9 @@ export default function Sidebar() {
       }
 
       const active = mounted && isGeneratedItemActive(item)
+      const badge = item.systemKey === 'notifications' && unreadCount > 0
+        ? unreadCount > 99 ? '99+' : String(unreadCount)
+        : null
       const className = [
         'relative flex items-center gap-3 rounded-lg px-3.5 py-3 text-sm font-medium transition-all duration-200',
         paddingClass,
@@ -388,7 +450,12 @@ export default function Sidebar() {
       return (
         <Link key={item.id} href={href} className={className}>
           {Icon ? <Icon className="h-4 w-4 flex-shrink-0" /> : null}
-          {label}
+          <span className="min-w-0 flex-1 truncate">{label}</span>
+          {badge ? (
+            <span className="ml-auto flex h-5 min-w-[20px] items-center justify-center rounded-full bg-orange-500 px-1.5 text-[11px] font-bold leading-none text-white">
+              {badge}
+            </span>
+          ) : null}
         </Link>
       )
     })
@@ -454,7 +521,7 @@ export default function Sidebar() {
         </a>
 
         <nav className="flex-1 space-y-1.5 overflow-y-auto px-3 py-5">
-          {renderGeneratedMenu(resolvedMenuItems)}
+          {renderGeneratedMenu(sortedResolvedMenuItems)}
         </nav>
 
         <div className="border-t border-blue-200/70 px-3 py-4 dark:border-blue-400/10">
diff --git a/packages/database/prisma/migrations/20260722090000_durable_notification_model/migration.sql b/packages/database/prisma/migrations/20260722090000_durable_notification_model/migration.sql
new file mode 100644
index 0000000..e9026be
--- /dev/null
+++ b/packages/database/prisma/migrations/20260722090000_durable_notification_model/migration.sql
@@ -0,0 +1,105 @@
+-- Durable, recipient-safe notification model. The legacy notifications table is
+-- intentionally retained for rollback and audit during the migration window.
+
+CREATE TYPE "NotificationRecipientType" AS ENUM ('EMPLOYEE', 'RENTER');
+CREATE TYPE "NotificationDeliveryStatus" AS ENUM ('PENDING', 'QUEUED', 'SENT', 'DELIVERED', 'FAILED', 'SKIPPED', 'DEAD_LETTER');
+CREATE TYPE "NotificationOutboxStatus" AS ENUM ('PENDING', 'PUBLISHED', 'FAILED');
+
+CREATE TABLE "notification_events" (
+  "id" TEXT NOT NULL,
+  "companyId" TEXT NOT NULL,
+  "type" "NotificationType" NOT NULL,
+  "templateKey" TEXT,
+  "locale" TEXT NOT NULL DEFAULT 'en',
+  "title" TEXT NOT NULL,
+  "body" TEXT NOT NULL,
+  "data" JSONB,
+  "sourceType" TEXT NOT NULL,
+  "sourceId" TEXT NOT NULL,
+  "idempotencyKey" TEXT NOT NULL,
+  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+  CONSTRAINT "notification_events_pkey" PRIMARY KEY ("id"),
+  CONSTRAINT "notification_events_companyId_fkey" FOREIGN KEY ("companyId") REFERENCES "companies"("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE TABLE "notification_recipients" (
+  "id" TEXT NOT NULL,
+  "notificationEventId" TEXT NOT NULL,
+  "recipientType" "NotificationRecipientType" NOT NULL,
+  "employeeId" TEXT,
+  "renterId" TEXT,
+  "readAt" TIMESTAMP(3),
+  "archivedAt" TIMESTAMP(3),
+  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+  CONSTRAINT "notification_recipients_pkey" PRIMARY KEY ("id"),
+  CONSTRAINT "notification_recipients_notificationEventId_fkey" FOREIGN KEY ("notificationEventId") REFERENCES "notification_events"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT "notification_recipients_employeeId_fkey" FOREIGN KEY ("employeeId") REFERENCES "employees"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT "notification_recipients_renterId_fkey" FOREIGN KEY ("renterId") REFERENCES "renters"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT "notification_recipients_exactly_one_identity_chk" CHECK (
+    (CASE WHEN "employeeId" IS NULL THEN 0 ELSE 1 END) +
+    (CASE WHEN "renterId" IS NULL THEN 0 ELSE 1 END) = 1
+  ),
+  CONSTRAINT "notification_recipients_type_identity_chk" CHECK (
+    ("recipientType" = 'EMPLOYEE' AND "employeeId" IS NOT NULL AND "renterId" IS NULL) OR
+    ("recipientType" = 'RENTER' AND "renterId" IS NOT NULL AND "employeeId" IS NULL)
+  )
+);
+
+CREATE TABLE "notification_deliveries" (
+  "id" TEXT NOT NULL,
+  "notificationRecipientId" TEXT NOT NULL,
+  "channel" "NotificationChannel" NOT NULL,
+  "status" "NotificationDeliveryStatus" NOT NULL DEFAULT 'PENDING',
+  "attemptCount" INTEGER NOT NULL DEFAULT 0,
+  "lastAttemptAt" TIMESTAMP(3),
+  "nextAttemptAt" TIMESTAMP(3),
+  "provider" TEXT,
+  "providerMessageId" TEXT,
+  "failureCode" TEXT,
+  "failureReason" TEXT,
+  "preferenceDecision" TEXT,
+  "sentAt" TIMESTAMP(3),
+  "deliveredAt" TIMESTAMP(3),
+  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+  CONSTRAINT "notification_deliveries_pkey" PRIMARY KEY ("id"),
+  CONSTRAINT "notification_deliveries_notificationRecipientId_fkey" FOREIGN KEY ("notificationRecipientId") REFERENCES "notification_recipients"("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE TABLE "notification_outbox" (
+  "id" TEXT NOT NULL,
+  "notificationEventId" TEXT NOT NULL,
+  "status" "NotificationOutboxStatus" NOT NULL DEFAULT 'PENDING',
+  "payload" JSONB NOT NULL,
+  "publishedAt" TIMESTAMP(3),
+  "failureReason" TEXT,
+  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+  CONSTRAINT "notification_outbox_pkey" PRIMARY KEY ("id"),
+  CONSTRAINT "notification_outbox_notificationEventId_fkey" FOREIGN KEY ("notificationEventId") REFERENCES "notification_events"("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE TABLE "company_notification_preferences" (
+  "id" TEXT NOT NULL,
+  "companyId" TEXT NOT NULL,
+  "notificationType" "NotificationType" NOT NULL,
+  "channel" "NotificationChannel" NOT NULL,
+  "enabled" BOOLEAN NOT NULL DEFAULT true,
+
+  CONSTRAINT "company_notification_preferences_pkey" PRIMARY KEY ("id"),
+  CONSTRAINT "company_notification_preferences_companyId_fkey" FOREIGN KEY ("companyId") REFERENCES "companies"("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE UNIQUE INDEX "notification_events_companyId_idempotencyKey_key" ON "notification_events"("companyId", "idempotencyKey");
+CREATE INDEX "notification_events_companyId_type_createdAt_idx" ON "notification_events"("companyId", "type", "createdAt");
+CREATE INDEX "notification_recipients_employeeId_readAt_createdAt_idx" ON "notification_recipients"("employeeId", "readAt", "createdAt");
+CREATE INDEX "notification_recipients_renterId_readAt_createdAt_idx" ON "notification_recipients"("renterId", "readAt", "createdAt");
+CREATE INDEX "notification_recipients_notificationEventId_idx" ON "notification_recipients"("notificationEventId");
+CREATE UNIQUE INDEX "notification_deliveries_notificationRecipientId_channel_key" ON "notification_deliveries"("notificationRecipientId", "channel");
+CREATE INDEX "notification_deliveries_channel_status_nextAttemptAt_idx" ON "notification_deliveries"("channel", "status", "nextAttemptAt");
+CREATE INDEX "notification_outbox_status_createdAt_idx" ON "notification_outbox"("status", "createdAt");
+CREATE UNIQUE INDEX "company_notification_preferences_companyId_notificationType_channel_key" ON "company_notification_preferences"("companyId", "notificationType", "channel");
diff --git a/packages/database/prisma/migrations/20260722091000_notifications_menu_starter_entitlement/migration.sql b/packages/database/prisma/migrations/20260722091000_notifications_menu_starter_entitlement/migration.sql
new file mode 100644
index 0000000..61cee08
--- /dev/null
+++ b/packages/database/prisma/migrations/20260722091000_notifications_menu_starter_entitlement/migration.sql
@@ -0,0 +1,94 @@
+WITH notification_menu AS (
+  INSERT INTO "menu_items" (
+    "id",
+    "systemKey",
+    "label",
+    "itemType",
+    "routeOrUrl",
+    "icon",
+    "displayOrder",
+    "openInNewTab",
+    "isRequired",
+    "isActive",
+    "createdAt",
+    "updatedAt",
+    "createdBy",
+    "updatedBy"
+  )
+  VALUES (
+    'menu_notifications',
+    'notifications',
+    'Notifications',
+    'INTERNAL_PAGE'::"MenuItemType",
+    '/notifications',
+    'Bell',
+    120,
+    false,
+    false,
+    true,
+    CURRENT_TIMESTAMP,
+    CURRENT_TIMESTAMP,
+    'system',
+    'system'
+  )
+  ON CONFLICT ("systemKey") DO UPDATE
+  SET
+    "label" = EXCLUDED."label",
+    "itemType" = EXCLUDED."itemType",
+    "routeOrUrl" = EXCLUDED."routeOrUrl",
+    "icon" = EXCLUDED."icon",
+    "isActive" = true,
+    "updatedBy" = 'system',
+    "updatedAt" = CURRENT_TIMESTAMP
+  RETURNING "id"
+),
+notification_plan_assignments ("plan", "displayOrder") AS (
+  VALUES
+    ('STARTER'::"Plan", 120),
+    ('GROWTH'::"Plan", 120),
+    ('PRO'::"Plan", 120)
+)
+INSERT INTO "subscription_menu_items" (
+  "id",
+  "plan",
+  "menuItemId",
+  "displayOrder",
+  "isActive",
+  "createdAt",
+  "updatedAt"
+)
+SELECT
+  'menu_sub_' || lower(npa."plan"::text) || '_notifications',
+  npa."plan",
+  notification_menu."id",
+  npa."displayOrder",
+  true,
+  CURRENT_TIMESTAMP,
+  CURRENT_TIMESTAMP
+FROM notification_plan_assignments npa
+CROSS JOIN notification_menu
+ON CONFLICT ("plan", "menuItemId") DO UPDATE
+SET
+  "displayOrder" = EXCLUDED."displayOrder",
+  "isActive" = true,
+  "updatedAt" = CURRENT_TIMESTAMP;
+
+WITH notification_menu AS (
+  SELECT "id" FROM "menu_items" WHERE "systemKey" = 'notifications'
+),
+notification_roles ("role") AS (
+  VALUES
+    ('OWNER'::"EmployeeRole"),
+    ('MANAGER'::"EmployeeRole"),
+    ('AGENT'::"EmployeeRole")
+)
+INSERT INTO "menu_item_role_visibility" ("id", "menuItemId", "role", "createdAt", "updatedAt")
+SELECT
+  'menu_role_' || lower(notification_roles."role"::text) || '_notifications',
+  notification_menu."id",
+  notification_roles."role",
+  CURRENT_TIMESTAMP,
+  CURRENT_TIMESTAMP
+FROM notification_roles
+CROSS JOIN notification_menu
+ON CONFLICT ("menuItemId", "role") DO NOTHING;
diff --git a/packages/database/prisma/migrations/20260722092000_notification_management_plan_feature/migration.sql b/packages/database/prisma/migrations/20260722092000_notification_management_plan_feature/migration.sql
new file mode 100644
index 0000000..0e22996
--- /dev/null
+++ b/packages/database/prisma/migrations/20260722092000_notification_management_plan_feature/migration.sql
@@ -0,0 +1,27 @@
+WITH notification_feature ("plan", "sortOrder") AS (
+  VALUES
+    ('STARTER'::"Plan", 50),
+    ('GROWTH'::"Plan", 150),
+    ('PRO'::"Plan", 150)
+)
+INSERT INTO "plan_features" (
+  "id",
+  "plan",
+  "label",
+  "sortOrder",
+  "createdAt",
+  "updatedAt"
+)
+SELECT
+  'plan_feature_' || lower(notification_feature."plan"::text) || '_notification_management',
+  notification_feature."plan",
+  'NOTIFICATION_MANAGEMENT',
+  notification_feature."sortOrder",
+  CURRENT_TIMESTAMP,
+  CURRENT_TIMESTAMP
+FROM notification_feature
+ON CONFLICT ("id") DO UPDATE
+SET
+  "label" = EXCLUDED."label",
+  "sortOrder" = EXCLUDED."sortOrder",
+  "updatedAt" = CURRENT_TIMESTAMP;
diff --git a/packages/database/prisma/schema.prisma b/packages/database/prisma/schema.prisma
index 8e2af8c..f7c6312 100644
--- a/packages/database/prisma/schema.prisma
+++ b/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
 // ═══════════════════════════════════════════════════════════════
diff --git a/packages/database/src/index.d.ts b/packages/database/src/index.d.ts
index 551da76..a161b2b 100644
--- a/packages/database/src/index.d.ts
+++ b/packages/database/src/index.d.ts
@@ -27,6 +27,8 @@ export type NotificationType =
   | 'REVIEW_REQUEST'
 
 export type NotificationChannel = 'EMAIL' | 'SMS' | 'WHATSAPP' | 'IN_APP' | 'PUSH'
+export type NotificationDeliveryStatus = 'PENDING' | 'QUEUED' | 'SENT' | 'DELIVERED' | 'FAILED' | 'SKIPPED' | 'DEAD_LETTER'
+export type NotificationRecipientType = 'EMPLOYEE' | 'RENTER'
 
 export interface Company {
   id: string
diff --git a/packages/database/src/index.ts b/packages/database/src/index.ts
index 9f91f3a..aa1a32a 100644
--- a/packages/database/src/index.ts
+++ b/packages/database/src/index.ts
@@ -9,6 +9,8 @@ export type NotificationType =
   | 'BOOKING_CANCELLED'
   | 'PAYMENT_RECEIVED'
   | 'PAYMENT_FAILED'
+  | 'DOCUMENTS_REQUIRED'
+  | 'PAYMENT_REQUIRED'
   | 'SUBSCRIPTION_TRIAL_ENDING'
   | 'SUBSCRIPTION_SUSPENDED'
   | 'VEHICLE_MAINTENANCE_DUE'
@@ -25,6 +27,8 @@ export type NotificationType =
   | 'REVIEW_REQUEST'
 
 export type NotificationChannel = 'EMAIL' | 'SMS' | 'WHATSAPP' | 'IN_APP' | 'PUSH'
+export type NotificationDeliveryStatus = 'PENDING' | 'QUEUED' | 'SENT' | 'DELIVERED' | 'FAILED' | 'SKIPPED' | 'DEAD_LETTER'
+export type NotificationRecipientType = 'EMPLOYEE' | 'RENTER'
 
 export interface Company {
   id: string
diff --git a/packages/types/src/api.ts b/packages/types/src/api.ts
index 27b6d00..c4f98ae 100644
--- a/packages/types/src/api.ts
+++ b/packages/types/src/api.ts
@@ -41,6 +41,7 @@ export const PLAN_FEATURES: Record<string, string[]> = {
     '1 user account',
     'Basic analytics',
     'Carplace listing',
+    'Notification management',
   ],
   GROWTH: [
     'Up to 50 vehicles',
@@ -58,6 +59,19 @@ export const PLAN_FEATURES: Record<string, string[]> = {
   ],
 }
 
+export const SUBSCRIPTION_CAPABILITIES = {
+  NOTIFICATION_MANAGEMENT: 'NOTIFICATION_MANAGEMENT',
+} as const
+
+export type SubscriptionCapability =
+  (typeof SUBSCRIPTION_CAPABILITIES)[keyof typeof SUBSCRIPTION_CAPABILITIES]
+
+export const PLAN_CAPABILITIES: Record<string, SubscriptionCapability[]> = {
+  STARTER: [SUBSCRIPTION_CAPABILITIES.NOTIFICATION_MANAGEMENT],
+  GROWTH: [SUBSCRIPTION_CAPABILITIES.NOTIFICATION_MANAGEMENT],
+  PRO: [SUBSCRIPTION_CAPABILITIES.NOTIFICATION_MANAGEMENT],
+}
+
 export type Locale = 'en' | 'fr' | 'ar'
 export type SupportedCurrency = 'MAD'