enhance booking and contract notification systems

- Added detailed logging for socket connection events in useBookingWindowSocket.
- Introduced new notification types for contract status and schedule updates.
- Updated notification visuals to include new icons for contract status.
- Enhanced notification href resolution for contract status and schedule updates.
- Implemented booking lifecycle notifier service for customer and staff notifications.
- Created contract notifier service for managing contract lifecycle notifications.
- Added end-to-end tests for booking window socket functionality.

apps/edr-freight-api/src/modules/train-scheduling/booking-notifier.service.ts

@@ -1,13 +1,23 @@
 import { Injectable, Logger } from '@nestjs/common';
+import {
+  NotificationAudience,
+  NotificationType,
+  NotifyInput,
+} from '@edr/types';
 
 import { Booking } from '../bookings/entities/booking.entity';
 import { NotificationsService } from '../notifications/notifications.service';
+import { NotificationInboxService } from '../notification-inbox/notification-inbox.service';
+import { BATCH_TIMEZONE } from './booking-batch.constants';
 
 @Injectable()
 export class BookingNotifierService {
   private readonly logger = new Logger(BookingNotifierService.name);
 
-  constructor(private readonly notifications: NotificationsService) {}
+  constructor(
+    private readonly notifications: NotificationsService,
+    private readonly inbox: NotificationInboxService,
+  ) {}
 
   private ref(b: Booking): string {
     return `${b.reference}${b.isGovernment ? ' (gov)' : ''}`;
@@ -41,11 +51,34 @@ export class BookingNotifierService {
     }
   }
 
+  /** Persist + push an in-app item to all portal users of the booking's company. */
+  private inApp(
+    b: Booking,
+    title: string,
+    body: string,
+    overrides: Partial<NotifyInput> = {},
+  ): void {
+    if (!b.companyId) return; // government/unlinked bookings have no portal users
+    void this.inbox.notify({
+      recipients: { companyId: b.companyId },
+      audience: NotificationAudience.PORTAL,
+      type: NotificationType.SCHEDULE_UPDATE,
+      title,
+      body,
+      link: `/bookings/${b.id}`,
+      data: { bookingId: b.id, reference: b.reference },
+      ...overrides,
+    });
+  }
+
   async payNow(b: Booking, deadline: Date): Promise<void> {
     const payMinutes = Math.max(1, Math.round((deadline.getTime() - Date.now()) / 60_000));
     const eat = deadline.toLocaleString('en-GB', { timeZone: 'Africa/Addis_Ababa' });
     const msg = `Pay within ${payMinutes} minute${payMinutes === 1 ? '' : 's'} to secure train slot ${b.reference ?? b.id}. Deadline: ${eat} EAT.`;
     await this.notifyContact(b, msg, 'PAY NOW');
+    this.inApp(b, 'Payment window open', msg, {
+      type: NotificationType.INVOICE_ISSUED,
+    });
   }
 
   /**
@@ -66,6 +99,9 @@ export class BookingNotifierService {
       `Pay within ${payMinutes} minute${payMinutes === 1 ? '' : 's'} to accept and ship ${offeredWagons} wagon${offeredWagons === 1 ? '' : 's'} now ` +
       `(the rest returns to your contract to book later). If you do not pay, the booking stays whole and you can rebook in the next window. Deadline: ${eat} EAT.`;
     await this.notifyContact(b, msg, 'PAY NOW (PARTIAL)');
+    this.inApp(b, 'Partial allocation offer', msg, {
+      type: NotificationType.INVOICE_ISSUED,
+    });
   }
 
   secured(b: Booking, reason: 'paid' | 'gov'): void {
@@ -73,11 +109,13 @@ export class BookingNotifierService {
       reason === 'gov' ? ' (government)' : ''
     }.`;
     void this.notifyContact(b, msg, 'ALLOCATED');
+    this.inApp(b, 'Wagon allocated', msg);
   }
 
   expired(b: Booking): void {
     const msg = `Payment window expired for booking ${b.reference ?? b.id}. Reschedule or cancel — no re-approval needed.`;
     void this.notifyContact(b, msg, 'EXPIRED');
+    this.inApp(b, 'Payment window expired', msg);
   }
 
   scheduleFull(b: Booking): void {
@@ -100,5 +138,42 @@ export class BookingNotifierService {
   displaced(b: Booking): void {
     const msg = `Booking ${b.reference ?? b.id} was displaced by a government booking. Move to another schedule or cancel.`;
     void this.notifyContact(b, msg, 'DISPLACED');
+    this.inApp(b, 'Booking displaced', msg);
+  }
+
+  /**
+   * Staff rescheduled the train carrying this booking to a new departure date.
+   * The booking stays on the train — only the date moved.
+   */
+  rescheduled(b: Booking, newDeparture: Date): void {
+    const when = newDeparture.toLocaleDateString('en-GB', { timeZone: BATCH_TIMEZONE });
+    const msg = `Booking ${b.reference ?? b.id} has been rescheduled. New departure date: ${when}.`;
+    void this.notifyContact(b, msg, 'RESCHEDULED');
+    this.inApp(b, 'Booking rescheduled', msg);
+  }
+
+  /**
+   * Booking was removed from its train during a staff reschedule (not a government
+   * pre-empt). It returns to eligible — the customer must rebook or reschedule.
+   */
+  removedFromTrain(b: Booking): void {
+    const msg =
+      `Booking ${b.reference ?? b.id} has been removed from its train during rescheduling. ` +
+      `Please rebook or select a new schedule from the portal.`;
+    void this.notifyContact(b, msg, 'REMOVED FROM TRAIN');
+    this.inApp(b, 'Removed from train', msg);
+  }
+
+  /**
+   * The train carrying this booking was moved for maintenance to a new departure
+   * date. The booking stays on the train — only the date moved.
+   */
+  maintenanceMoved(b: Booking, newDeparture: Date): void {
+    const when = newDeparture.toLocaleDateString('en-GB', { timeZone: BATCH_TIMEZONE });
+    const msg =
+      `The train for booking ${b.reference ?? b.id} was rescheduled for maintenance. ` +
+      `New departure date: ${when}.`;
+    void this.notifyContact(b, msg, 'MAINTENANCE RESCHEDULE');
+    this.inApp(b, 'Train maintenance reschedule', msg);
   }
 }