Add window close hour to booking desk configuration

apps/edr-freight-api/src/migrations/1950000000000-AddWindowCloseHour.ts

@@ -0,0 +1,52 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Add the daily booking-desk close hour.
+ *
+ * The import booking window used to reopen only within the same EAT calendar day
+ * as its close; a cycle whose reopen crossed midnight died at CLOSED_FOR_DAY with
+ * capacity still free. The window now runs a daily office range [openHour,
+ * closeHour): a not-yet-full train pauses at closeHour and resumes the next
+ * morning at openHour, every day until it fills or departs. openHour === closeHour
+ * means a 24-hour desk.
+ *
+ * `window_close_hour` on the global-rules singleton is the live config; the
+ * matching `rule_window_close_hour` snapshot on each schedule freezes it at
+ * creation so the batch board keeps drawing the window the customer was shown.
+ * Both default/backfill to 17:00 (5 PM), the previous implicit office close.
+ */
+export class AddWindowCloseHour1950000000000 implements MigrationInterface {
+  name = "AddWindowCloseHour1950000000000";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.train_scheduling_global_rules
+        ADD COLUMN IF NOT EXISTS window_close_hour integer NOT NULL DEFAULT 17;
+    `);
+
+    await queryRunner.query(`
+      ALTER TABLE freight.train_schedules
+        ADD COLUMN IF NOT EXISTS rule_window_close_hour integer;
+    `);
+
+    // Backfill the snapshot from the global-rules singleton so pre-existing
+    // schedules keep projecting reopen cycles.
+    await queryRunner.query(`
+      UPDATE freight.train_schedules ts
+      SET rule_window_close_hour = COALESCE(ts.rule_window_close_hour, r.window_close_hour)
+      FROM freight.train_scheduling_global_rules r
+      WHERE ts.rule_window_close_hour IS NULL;
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.train_schedules
+        DROP COLUMN IF EXISTS rule_window_close_hour;
+    `);
+    await queryRunner.query(`
+      ALTER TABLE freight.train_scheduling_global_rules
+        DROP COLUMN IF EXISTS window_close_hour;
+    `);
+  }
+}

apps/edr-freight-api/src/modules/train-schedules/entities/train-schedule.entity.ts

@@ -120,9 +120,17 @@ export class TrainSchedule extends BaseEntity {
   @Column({ name: 'rule_window_open_hour', type: 'int', nullable: true })
   ruleWindowOpenHour?: number | null;
 
+  /** EAT hour the daily booking desk shuts (equals open hour for a 24h desk). */
+  @Column({ name: 'rule_window_close_hour', type: 'int', nullable: true })
+  ruleWindowCloseHour?: number | null;
+
   @Column({ name: 'rule_window_duration_hours', type: 'numeric', precision: 6, scale: 4, nullable: true })
   ruleWindowDurationHours?: number | null;
 
+  /**
+   * Frozen reopen gap = doc-review + payment minutes at creation. The board
+   * projects each next cycle at close + this delay, then snaps it into office hours.
+   */
   @Column({ name: 'rule_reopen_delay_minutes', type: 'int', nullable: true })
   ruleReopenDelayMinutes?: number | null;
 

apps/edr-freight-api/src/modules/train-scheduling/batch-window.util.spec.ts

@@ -55,10 +55,12 @@ describe('batch-window.util', () => {
 });
 
 describe('batch-window board windows (config-driven booking cycles)', () => {
-  // Default rules: open 08:00 EAT, 3 days before departure, 3h long, reopen 90m later.
+  // Default rules: open 08:00 EAT, desk shuts 17:00, 3 days before departure,
+  // 3h long, reopen 90m later.
   const cfg: BoardWindowConfig = {
     importWindowLeadDays: 3,
     windowOpenHour: 8,
+    windowCloseHour: 17,
     windowDurationHours: 3,
     reopenDelayMinutes: 90,
     exportBookingLeadHours: 24,
@@ -76,14 +78,42 @@ describe('batch-window board windows (config-driven booking cycles)', () => {
     expect(windows[0].end.toISOString()).toBe('2026-06-05T08:00:00.000Z');
   });
 
-  it('import: reopens reopenDelayMinutes after close, same booking day', () => {
+  it('import: reopens reopenDelayMinutes after close while inside office hours', () => {
     const departure = new Date('2026-06-08T11:00:00.000Z');
     const windows = listConfigBookingWindows('IMPORT', departure, cfg);
-    // cycle 1: 08:00–11:00; reopen +90m → cycle 2 opens 12:30 EAT
+    // cycle 1: 08:00–11:00; reopen +90m → cycle 2 opens 12:30 EAT, same day
     expect(windows.length).toBeGreaterThanOrEqual(2);
     expect(windows[1].start.toISOString()).toBe('2026-06-05T09:30:00.000Z'); // 12:30 EAT
-    // all cycles stay on the same EAT booking day
+    expect(windows[1].date).toBe('2026-06-05');
-    expect(windows.every((w) => w.date === '2026-06-05')).toBe(true);
+  });
+
+  it('import: pauses at close hour and resumes next morning at open hour', () => {
+    const departure = new Date('2026-06-08T11:00:00.000Z');
+    const windows = listConfigBookingWindows('IMPORT', departure, cfg);
+    // Day 05 Jun: 08:00, 12:30, 17:00-clamped… the cycle whose reopen lands
+    // at/after 17:00 EAT rolls to 06 Jun 08:00 EAT (05:00 UTC).
+    const day6First = windows.find((w) => w.date === '2026-06-06');
+    expect(day6First).toBeDefined();
+    expect(day6First!.start.toISOString()).toBe('2026-06-06T05:00:00.000Z'); // 08:00 EAT
+    // Cycles span the office days between the window day and departure.
+    const days = new Set(windows.map((w) => w.date));
+    expect(days.has('2026-06-05')).toBe(true);
+    expect(days.has('2026-06-06')).toBe(true);
+  });
+
+  it('import: 24-hour desk (open hour === close hour) never breaks for the day', () => {
+    const roundClock: BoardWindowConfig = { ...cfg, windowOpenHour: 8, windowCloseHour: 8 };
+    const departure = new Date('2026-06-08T11:00:00.000Z');
+    const windows = listConfigBookingWindows('IMPORT', departure, roundClock);
+    // Reopen chains straight through midnight: an overnight cycle exists.
+    const crossesNight = windows.some(
+      (w, i) => i > 0 && windows[i - 1].date !== w.date,
+    );
+    expect(crossesNight).toBe(true);
+    // Cycles run continuously from the window day up to departure.
+    expect(windows[windows.length - 1].end.getTime()).toBeLessThanOrEqual(
+      departure.getTime(),
+    );
   });
 
   it('export: single FCFS window exportBookingLeadHours before departure', () => {

apps/edr-freight-api/src/modules/train-scheduling/batch-window.util.ts

@@ -137,6 +137,62 @@ export function shiftEatDay(day: string, deltaDays: number): string {
   ).padStart(2, '0')}`;
 }
 
+/**
+ * The daily office window `[openHour, closeHour)` in EAT: after `closeHour` the
+ * booking desk is shut and reopens `openHour` the next morning. `openHour ===
+ * closeHour` means a 24-hour desk that never breaks for the day.
+ */
+export interface OfficeHours {
+  windowOpenHour: number;
+  windowCloseHour: number;
+}
+
+/** True when the desk runs round the clock (open hour equals close hour). */
+export function isRoundTheClock(hours: OfficeHours): boolean {
+  return hours.windowOpenHour === hours.windowCloseHour;
+}
+
+/**
+ * Where the NEXT booking cycle opens after a cycle closes at `closedAt`, given a
+ * not-yet-full train and a daily office window. `earliestNextOpen` is the raw
+ * ready time (close + doc-review + payment); the desk honours it only while
+ * inside office hours:
+ *
+ *  • round-the-clock desk        → opens at `earliestNextOpen` (no day break)
+ *  • ready time before closeHour → opens at `earliestNextOpen`, same day
+ *  • ready time at/after closeHour → desk shut; opens next morning at openHour
+ *
+ * Returns `null` when the next open would fall on/after `departure` — the train
+ * leaves before another cycle could run, so the window is done.
+ */
+export function nextCycleOpensAt(
+  earliestNextOpen: Date,
+  hours: OfficeHours,
+  departure: Date,
+): Date | null {
+  let opensAt: Date;
+  if (isRoundTheClock(hours)) {
+    opensAt = earliestNextOpen;
+  } else {
+    const { hour, minute } = eatParts(earliestNextOpen);
+    const readyMinutes = hour * 60 + minute;
+    const openMinutes = hours.windowOpenHour * 60;
+    const closeMinutes = hours.windowCloseHour * 60;
+    if (readyMinutes < openMinutes) {
+      // Desk not open yet today (ready before opening) → open this morning.
+      opensAt = eatDayToUtc(eatDay(earliestNextOpen), hours.windowOpenHour);
+    } else if (readyMinutes < closeMinutes) {
+      // Inside office hours → open as soon as ready.
+      opensAt = earliestNextOpen;
+    } else {
+      // Desk shut for the day → open tomorrow morning.
+      const tomorrow = shiftEatDay(eatDay(earliestNextOpen), 1);
+      opensAt = eatDayToUtc(tomorrow, hours.windowOpenHour);
+    }
+  }
+  return opensAt.getTime() < departure.getTime() ? opensAt : null;
+}
+
 export interface InitialWindowTimes {
   windowOpensAt: Date;
   windowClosesAt: Date;
@@ -269,7 +325,10 @@ export interface BoardWindow extends BatchWindow {
 export interface BoardWindowConfig {
   importWindowLeadDays: number;
   windowOpenHour: number;
+  /** EAT hour the daily booking desk shuts; equals windowOpenHour for a 24h desk. */
+  windowCloseHour: number;
   windowDurationHours: number;
+  /** Gap between a cycle's close and its reopen (doc review + payment minutes). */
   reopenDelayMinutes: number;
   exportBookingLeadHours: number;
 }
@@ -328,25 +387,27 @@ export function listConfigBookingWindows(
 
   const windows: BoardWindow[] = [];
   const durationMs = cfg.windowDurationHours * 3_600_000;
+  // Post-close gap before the next cycle opens (doc review + payment), subject
+  // to office hours below.
   const reopenMs = cfg.reopenDelayMinutes * 60_000;
+  const officeHours: OfficeHours = {
+    windowOpenHour: cfg.windowOpenHour,
+    windowCloseHour: cfg.windowCloseHour,
+  };
   const windowDay = shiftEatDay(eatDay(departure), -cfg.importWindowLeadDays);
 
-  let opensAt = anchorOpensAt ?? eatDayToUtc(windowDay, cfg.windowOpenHour);
+  let opensAt: Date | null = anchorOpensAt ?? eatDayToUtc(windowDay, cfg.windowOpenHour);
-  // Reopen stays on the same EAT booking day and before departure; cap at 12 cycles.
+  // Reopen daily until the train departs; cap the projection so a tiny duration
-  for (let cycle = 0; cycle < 12; cycle += 1) {
+  // can't run away (spanning up to importWindowLeadDays of office days).
+  for (let cycle = 0; cycle < 200; cycle += 1) {
     if (opensAt.getTime() >= departure.getTime()) break;
     let closesAt = new Date(opensAt.getTime() + durationMs);
     if (closesAt.getTime() > departure.getTime()) closesAt = departure;
     windows.push(boardWindowFromInterval(opensAt, closesAt));
 
-    const nextOpensAt = new Date(closesAt.getTime() + reopenMs);
+    const earliestNextOpen = new Date(closesAt.getTime() + reopenMs);
-    if (
+    opensAt = nextCycleOpensAt(earliestNextOpen, officeHours, departure);
-      nextOpensAt.getTime() >= departure.getTime() ||
+    if (opensAt == null) break;
-      eatDay(nextOpensAt) !== eatDay(opensAt)
-    ) {
-      break;
-    }
-    opensAt = nextOpensAt;
   }
 
   // Degenerate config (no window before departure) — surface a single window

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

@@ -82,6 +82,7 @@ describe('BookingBatchService — PAID reconcile', () => {
         importWindowLeadDays: 3,
         exportBookingLeadHours: 24,
         windowOpenHour: 8,
+        windowCloseHour: 17,
         windowDurationHours: 3,
         docReviewMinutes: 30,
         paymentWindowMinutes: 60,

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

@@ -736,6 +736,7 @@ export class BookingBatchService implements OnModuleInit {
     };
     const windowCfg = {
       windowOpenHour: num(s.ruleWindowOpenHour, liveCfg.windowOpenHour),
+      windowCloseHour: num(s.ruleWindowCloseHour, liveCfg.windowCloseHour),
       windowDurationHours: num(
         s.ruleWindowDurationHours,
         liveCfg.windowDurationHours,

apps/edr-freight-api/src/modules/train-scheduling/booking-window.config.ts

@@ -7,8 +7,14 @@ export interface BookingWindowConfig {
   importWindowLeadDays: number;
   /** Hours before departure an export booking becomes acceptable (FCFS). */
   exportBookingLeadHours: number;
-  /** Local (Africa/Addis_Ababa) hour at which the import window opens. */
+  /** Local (Africa/Addis_Ababa) hour at which the import window opens each day. */
   windowOpenHour: number;
+  /**
+   * Local (Africa/Addis_Ababa) hour the booking desk shuts for the day: once a
+   * cycle's reopen would fall at/after this hour, the window pauses and resumes
+   * next morning at windowOpenHour. Equal to windowOpenHour ⇒ 24-hour desk.
+   */
+  windowCloseHour: number;
   windowDurationHours: number;
   /** Max staff document-review time after the window closes. */
   docReviewMinutes: number;

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

@@ -11,7 +11,7 @@ import { NotificationsService } from '../notifications/notifications.service';
 import { BookingBatchService } from './booking-batch.service';
 import { TrainSchedulingService } from './train-scheduling.service';
 import { BATCH_TIMEZONE } from './booking-batch.constants';
-import { eatDay } from './batch-window.util';
+import { eatDay, nextCycleOpensAt, type OfficeHours } from './batch-window.util';
 import { type BookingWindowConfig } from './booking-window.config';
 
 /**
@@ -64,7 +64,9 @@ export class BookingWindowService implements OnModuleInit {
           ],
         })
       ).filter(
-        (s) => s.windowPhase != null && s.windowPhase !== 'DONE' && s.windowPhase !== 'CLOSED_FOR_DAY',
+        // CLOSED_FOR_DAY is legacy (the daily desk now reopens via PRE_WINDOW):
+        // still pick those rows up so advanceImport can revive them next morning.
+        (s) => s.windowPhase != null && s.windowPhase !== 'DONE',
       );
 
       for (const schedule of active) {
@@ -185,6 +187,14 @@ export class BookingWindowService implements OnModuleInit {
   ): Promise<boolean> {
     const { windowPhase, windowOpensAt, windowClosesAt } = schedule;
 
+    // Legacy rows parked at CLOSED_FOR_DAY predate the daily-desk reopen: revive
+    // them through the same not-full conclude path so they resume next morning
+    // (or finalize as DONE if no cycle fits before departure).
+    if (windowPhase === 'CLOSED_FOR_DAY') {
+      await this.concludeCycle(schedule, cfg, now);
+      return true;
+    }
+
     if (windowPhase === 'PRE_WINDOW' && windowOpensAt && now >= windowOpensAt) {
       await this.setPhase(schedule, {
         windowPhase: 'OPEN',
@@ -268,34 +278,46 @@ export class BookingWindowService implements OnModuleInit {
       return;
     }
 
-    const closesAt = schedule.windowClosesAt ?? now;
+    // Doc review + payment have already run, so the desk is ready to reopen NOW —
-    const reopenAt = new Date(closesAt.getTime() + cfg.reopenDelayMinutes * 60_000);
+    // office hours decide whether that is this afternoon or tomorrow morning. Past
-    const nextOpensAt = reopenAt > now ? reopenAt : now;
+    // the last cycle before departure, nextCycleOpensAt returns null and we finish.
-    let nextClosesAt = new Date(nextOpensAt.getTime() + cfg.windowDurationHours * 3_600_000);
+    const officeHours: OfficeHours = {
+      windowOpenHour: cfg.windowOpenHour,
+      windowCloseHour: cfg.windowCloseHour,
+    };
+    const nextOpensAt = nextCycleOpensAt(
+      now,
+      officeHours,
+      schedule.scheduledDepartureDate,
+    );
+    if (nextOpensAt == null) {
+      await this.setPhase(schedule, { windowPhase: 'DONE' });
+      this.logger.log(
+        `Schedule ${schedule.id} not full but no cycle fits before departure — window done`,
+      );
+      return;
+    }
+
+    let nextClosesAt = new Date(
+      nextOpensAt.getTime() + cfg.windowDurationHours * 3_600_000,
+    );
     if (nextClosesAt > schedule.scheduledDepartureDate) {
       nextClosesAt = schedule.scheduledDepartureDate;
     }
-
+    // Stays PRE_WINDOW (not CLOSED_FOR_DAY): the tick reopens it at nextOpensAt,
-    const sameBookingDay = eatDay(nextOpensAt) === eatDay(closesAt);
+    // whether that is later today or next morning after the office-hours break.
-    const beforeDeparture = nextOpensAt < schedule.scheduledDepartureDate;
+    await this.setPhase(schedule, {
-    if (sameBookingDay && beforeDeparture) {
+      windowPhase: 'PRE_WINDOW',
-      await this.setPhase(schedule, {
+      windowOpensAt: nextOpensAt,
-        windowPhase: 'PRE_WINDOW',
+      windowClosesAt: nextClosesAt,
-        windowOpensAt: nextOpensAt,
+      docReviewCompletedAt: null,
-        windowClosesAt: nextClosesAt,
+      docReviewEndsAt: null,
-        docReviewCompletedAt: null,
+      paymentPhaseEndsAt: null,
-        docReviewEndsAt: null,
+    });
-        paymentPhaseEndsAt: null,
+    const sameDay = eatDay(nextOpensAt) === eatDay(now);
-      });
+    this.logger.log(
-      this.logger.log(
+      `Schedule ${schedule.id} not full — window reopens ${sameDay ? 'today' : 'next booking day'} at ${nextOpensAt.toISOString()}`,
-        `Schedule ${schedule.id} not full — window reopens at ${nextOpensAt.toISOString()}`,
+    );
-      );
-    } else {
-      await this.setPhase(schedule, { windowPhase: 'CLOSED_FOR_DAY' });
-      this.logger.log(
-        `Booking day over for schedule ${schedule.id} — remaining capacity is staff-managed`,
-      );
-    }
   }
 
   private async tryAutoFinalize(scheduleId: string): Promise<void> {

apps/edr-freight-api/src/modules/train-scheduling/dto/update-train-scheduling-global-rules.dto.ts

@@ -52,7 +52,7 @@ export class UpdateTrainSchedulingGlobalRulesDto {
   @Min(1)
   exportBookingLeadHours?: number;
 
-  @ApiPropertyOptional({ example: 8, description: 'Local EAT hour the import window opens' })
+  @ApiPropertyOptional({ example: 8, description: 'Local EAT hour the import window opens each day' })
   @IsOptional()
   @Type(() => Number)
   @IsInt()
@@ -60,6 +60,18 @@ export class UpdateTrainSchedulingGlobalRulesDto {
   @Max(23)
   windowOpenHour?: number;
 
+  @ApiPropertyOptional({
+    example: 17,
+    description:
+      'Local EAT hour the booking desk shuts each day; a not-yet-full window resumes next morning at windowOpenHour. Equal to windowOpenHour = 24-hour desk',
+  })
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(0)
+  @Max(23)
+  windowCloseHour?: number;
+
   // Stored in hours. The UI enters this in minutes/hours/days and converts to
   // hours before sending, so the floor is 1 minute (0.0166h) — not 15 min.
   @ApiPropertyOptional({ example: 3 })

apps/edr-freight-api/src/modules/train-scheduling/entities/train-scheduling-global-rules.entity.ts

@@ -54,6 +54,14 @@ export class TrainSchedulingGlobalRules extends BaseEntity {
   @Column({ name: 'window_open_hour', type: 'int', default: 8 })
   windowOpenHour!: number;
 
+  /**
+   * Local (Africa/Addis_Ababa) hour the booking desk shuts each day. A not-yet-full
+   * train whose next cycle would reopen at/after this hour pauses until the next
+   * morning's windowOpenHour. Set equal to windowOpenHour for a 24-hour desk.
+   */
+  @Column({ name: 'window_close_hour', type: 'int', default: 17 })
+  windowCloseHour!: number;
+
   // Stored in hours; 4 decimals so sub-minute UI durations (4 min = 0.0667h)
   // are exact. See WidenWindowDurationHoursPrecision migration.
   @Column({

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

@@ -124,6 +124,24 @@ import {
 
 const SCHEDULABLE_BOOKING_STATUSES = ['PAID'] as const;
 
+/**
+ * The booking-window rule fields frozen onto a train schedule at creation (and
+ * refreshed by restampPendingWindows for not-yet-open schedules). The board draws
+ * its display cycles from this snapshot, so a later global-rules edit never redraws
+ * an already-open schedule's windows. The reopen gap is derived here — doc review +
+ * payment — because that is the real delay between a cycle closing and reopening.
+ */
+function windowRuleSnapshot(cfg: BookingWindowConfig) {
+  return {
+    ruleWindowOpenHour: cfg.windowOpenHour,
+    ruleWindowCloseHour: cfg.windowCloseHour,
+    ruleWindowDurationHours: cfg.windowDurationHours,
+    ruleReopenDelayMinutes: cfg.docReviewMinutes + cfg.paymentWindowMinutes,
+    ruleImportWindowLeadDays: cfg.importWindowLeadDays,
+    ruleExportBookingLeadHours: cfg.exportBookingLeadHours,
+  };
+}
+
 export type BookingWagonAllocationStatus =
   | 'NOT_ATTEMPTED'
   | 'ASSIGNED'
@@ -269,6 +287,7 @@ export class TrainSchedulingService {
     if (dto.importWindowLeadDays != null) row.importWindowLeadDays = dto.importWindowLeadDays;
     if (dto.exportBookingLeadHours != null) row.exportBookingLeadHours = dto.exportBookingLeadHours;
     if (dto.windowOpenHour != null) row.windowOpenHour = dto.windowOpenHour;
+    if (dto.windowCloseHour != null) row.windowCloseHour = dto.windowCloseHour;
     if (dto.windowDurationHours != null) row.windowDurationHours = dto.windowDurationHours;
     if (dto.docReviewMinutes != null) row.docReviewMinutes = dto.docReviewMinutes;
     if (dto.paymentWindowMinutes != null) row.paymentWindowMinutes = dto.paymentWindowMinutes;
@@ -280,7 +299,10 @@ export class TrainSchedulingService {
     const windowTimingChanged =
       dto.importWindowLeadDays != null ||
       dto.windowOpenHour != null ||
+      dto.windowCloseHour != null ||
       dto.windowDurationHours != null ||
+      dto.docReviewMinutes != null ||
+      dto.paymentWindowMinutes != null ||
       dto.exportBookingLeadHours != null;
 
     const saved = await this.dataSource
@@ -329,11 +351,7 @@ export class TrainSchedulingService {
       await repo.update(s.id, {
         windowOpensAt: times.windowOpensAt,
         windowClosesAt: times.windowClosesAt,
-        ruleWindowOpenHour: cfg.windowOpenHour,
+        ...windowRuleSnapshot(cfg),
-        ruleWindowDurationHours: cfg.windowDurationHours,
-        ruleReopenDelayMinutes: cfg.reopenDelayMinutes,
-        ruleImportWindowLeadDays: cfg.importWindowLeadDays,
-        ruleExportBookingLeadHours: cfg.exportBookingLeadHours,
       });
       restamped += 1;
     }
@@ -359,6 +377,7 @@ export class TrainSchedulingService {
       importWindowLeadDays: num(row?.importWindowLeadDays, 3),
       exportBookingLeadHours: num(row?.exportBookingLeadHours, 24),
       windowOpenHour: num(row?.windowOpenHour, 8),
+      windowCloseHour: num(row?.windowCloseHour, 17),
       windowDurationHours: num(row?.windowDurationHours, 3),
       docReviewMinutes: num(row?.docReviewMinutes, 30),
       paymentWindowMinutes: num(row?.paymentWindowMinutes, 60),
@@ -503,13 +522,7 @@ export class TrainSchedulingService {
       // only re-derives NOT-YET-OPEN schedules (see restampPendingWindows); an
       // already-open schedule keeps this snapshot, and the batch board draws its
       // windows from it rather than the live config.
-      const ruleSnapshot = {
+      const ruleSnapshot = windowRuleSnapshot(windowCfg);
-        ruleWindowOpenHour: windowCfg.windowOpenHour,
-        ruleWindowDurationHours: windowCfg.windowDurationHours,
-        ruleReopenDelayMinutes: windowCfg.reopenDelayMinutes,
-        ruleImportWindowLeadDays: windowCfg.importWindowLeadDays,
-        ruleExportBookingLeadHours: windowCfg.exportBookingLeadHours,
-      };
       const windowFields =
         direction === 'EXPORT'
           ? {