feat: ( reports ) add fleet seat overview to seat status landing page

apps/edr-passenger-api/src/modules/reports/reports.controller.ts

@@ -60,6 +60,23 @@ export class ReportsController {
     return this.service.getSeatStatusReport(scheduleId);
   }
 
+  // Two segments, so `@Get(":reportId")` below cannot shadow it whatever the order.
+  @Get("seat-status/overview")
+  @ApiOperation({
+    summary: "Fleet-wide seat status across a departure window",
+    description:
+      "Landing view for the seat status report, shown before a schedule is picked. Returns the same four " +
+      "counters as the per-schedule report (paid, unpaid, expired holds, blocked) rolled up over a window of " +
+      "departures, plus per-day buckets and one row per schedule.\n\n" +
+      "The window is forward-looking — the next `days` days. If nothing is departing in that window, it falls " +
+      "back to the most recent `days` of departures on record and says so via `window.direction`.\n\n" +
+      "Counts apply the same rules as `GET /reports/seat-status`, so a schedule's row here equals what the " +
+      "drill-down shows after selecting it.",
+  })
+  getSeatStatusOverview(@Query('days') days?: string) {
+    return this.service.getSeatStatusOverview(days ? Number(days) : undefined);
+  }
+
   @Get("boarding")
   @ApiOperation({ summary: "Boarding report for a schedule — boarded vs not-boarded passengers" })
   getBoardingReport(@Query('scheduleId') scheduleId: string) {

apps/edr-passenger-api/src/modules/reports/reports.service.ts

@@ -1,6 +1,7 @@
 import { Injectable, Logger } from "@nestjs/common";
 import { InjectDataSource } from "@nestjs/typeorm";
 import { DataSource } from "typeorm";
+import { BookingStatus } from "@prisma/client";
 import {
   BlockedSeatRevenueLossReport,
   UNCATEGORIZED_REASON_CATEGORY,
@@ -35,6 +36,43 @@ const FARE_QUOTE_CONCURRENCY = 4;
 /** CSV export is not paginated, but still needs an upper bound. */
 const CSV_EXPORT_MAX_SCHEDULES = 5000;
 
+// ── Fleet seat-status overview (landing view of the seat status report) ──────
+const MS_PER_DAY_OVERVIEW = 24 * 60 * 60 * 1000;
+const OVERVIEW_DEFAULT_DAYS = 7;
+const OVERVIEW_MAX_DAYS = 31;
+/** Upper bound on schedules charted at once. Signalled back as `window.truncated`. */
+const OVERVIEW_MAX_SCHEDULES = 60;
+/** The booking statuses that put a seat on a schedule — same set as the drill-down. */
+const OVERVIEW_ACTIVE_BOOKING_STATUSES: BookingStatus[] = [
+  'CONFIRMED',
+  'BOARDED',
+  'PENDING_PAYMENT',
+];
+
+const EMPTY_OVERVIEW_TOTALS = {
+  scheduleCount: 0,
+  sellableSeats: 0,
+  paidCount: 0,
+  unpaidCount: 0,
+  expiredHoldCount: 0,
+  blockedCount: 0,
+  availableCount: 0,
+  loadFactorPercent: 0,
+};
+
+function emptyDayBucket(date: string) {
+  return {
+    date,
+    scheduleCount: 0,
+    sellableSeats: 0,
+    paid: 0,
+    unpaid: 0,
+    expiredHolds: 0,
+    blocked: 0,
+    available: 0,
+  };
+}
+
 const EMPTY_LOSS_INPUT: LossCalculatorInput = {
   schedules: [],
   seatsById: new Map(),
@@ -728,6 +766,349 @@ export class ReportsService {
     };
   }
 
+  /**
+   * Fleet-wide seat status across a departure window — the landing view for the seat
+   * status report, shown before a schedule is picked.
+   *
+   * Deliberately a separate method from {@link getSeatStatusReport}: that one answers
+   * "this schedule, row by row" and its response shape is consumed by the drill-down UI.
+   * This one answers "the whole window, counts only". They share no code path, but they
+   * *do* share predicates — every filter below is the same rule the drill-down applies
+   * (the three-branch seat `OR`, the dining-coach exclusion, the counted-block
+   * resolution), so a schedule's row here always equals what you see after clicking it.
+   * Change one and the other must change with it.
+   */
+  async getSeatStatusOverview(daysRaw?: number) {
+    const days = Math.min(
+      Math.max(Math.trunc(daysRaw || OVERVIEW_DEFAULT_DAYS), 1),
+      OVERVIEW_MAX_DAYS,
+    );
+    const now = new Date();
+
+    // Forward-looking by default. But a database whose schedules are all in the past
+    // would render an empty chart, which reads as a broken page rather than an honest
+    // "nothing departing" — so fall back to the most recent window that has departures.
+    let from = now;
+    let to = new Date(now.getTime() + days * MS_PER_DAY_OVERVIEW);
+    let direction: 'UPCOMING' | 'RECENT' = 'UPCOMING';
+
+    const upcomingCount = await this.prisma.trainSchedule.count({
+      where: { departureAt: { gte: from, lte: to }, status: { not: 'CANCELLED' } },
+    });
+
+    if (upcomingCount === 0) {
+      const latest = await this.prisma.trainSchedule.findFirst({
+        where: { departureAt: { lt: now }, status: { not: 'CANCELLED' } },
+        orderBy: { departureAt: 'desc' },
+        select: { departureAt: true },
+      });
+      if (latest) {
+        direction = 'RECENT';
+        to = latest.departureAt;
+        from = new Date(to.getTime() - days * MS_PER_DAY_OVERVIEW);
+      }
+    }
+
+    const schedules = await this.prisma.trainSchedule.findMany({
+      where: { departureAt: { gte: from, lte: to }, status: { not: 'CANCELLED' } },
+      select: {
+        id: true,
+        departureAt: true,
+        isPackageOnly: true,
+        train: { select: { number: true } },
+        originStation: { select: { name: true } },
+        destinationStation: { select: { name: true } },
+      },
+      orderBy: { departureAt: 'asc' },
+      take: OVERVIEW_MAX_SCHEDULES,
+    });
+
+    if (schedules.length === 0) {
+      return {
+        window: { from, to, days, direction, truncated: false },
+        totals: EMPTY_OVERVIEW_TOTALS,
+        byDay: [],
+        schedules: [],
+      };
+    }
+
+    const scheduleIds = schedules.map((s) => s.id);
+    const since24h = new Date(now.getTime() - MS_PER_DAY_OVERVIEW);
+
+    const [assignments, bookingSeats, holds, blockRows] = await Promise.all([
+      this.prisma.coachAssignment.findMany({
+        where: { scheduleId: { in: scheduleIds } },
+        select: {
+          scheduleId: true,
+          coachId: true,
+          coach: {
+            select: {
+              coachType: { select: { name: true, type: true } },
+              seats: { select: { seatNumber: true } },
+            },
+          },
+        },
+      }),
+      // Same three-branch OR as the drill-down (`getSeatStatusReport`): a seat reaches a
+      // schedule by its own `scheduleId`, by being leg 2 of a return booking, or — on
+      // older rows with no `scheduleId` — by its booking's outbound schedule. A plain
+      // `groupBy scheduleId` would silently drop the last two.
+      this.prisma.bookingSeat.findMany({
+        where: {
+          OR: [
+            {
+              scheduleId: { in: scheduleIds },
+              booking: { status: { in: OVERVIEW_ACTIVE_BOOKING_STATUSES } },
+            },
+            {
+              leg: 2,
+              booking: {
+                returnScheduleId: { in: scheduleIds },
+                status: { in: OVERVIEW_ACTIVE_BOOKING_STATUSES },
+              },
+            },
+            {
+              scheduleId: null,
+              leg: 1,
+              booking: {
+                scheduleId: { in: scheduleIds },
+                status: { in: OVERVIEW_ACTIVE_BOOKING_STATUSES },
+              },
+            },
+          ],
+        },
+        select: {
+          scheduleId: true,
+          leg: true,
+          booking: {
+            select: { status: true, scheduleId: true, returnScheduleId: true },
+          },
+          seat: {
+            select: {
+              coach: { select: { coachType: { select: { name: true, type: true } } } },
+            },
+          },
+        },
+      }),
+      this.prisma.seatHold.findMany({
+        where: {
+          scheduleId: { in: scheduleIds },
+          expiresAt: { lt: now, gte: since24h },
+        },
+        select: { scheduleId: true },
+      }),
+      this.prisma.seatBlock.findMany({
+        where: {
+          OR: [{ scheduleId: { in: scheduleIds } }, { scheduleId: null }],
+          NOT: [
+            { reason: { startsWith: 'MAINTENANCE:' } },
+            { reason: { startsWith: TICKETING_BLOCK_REASON_PREFIX } },
+          ],
+        },
+        select: {
+          scheduleId: true,
+          blockedAt: true,
+          unblockAt: true,
+          seat: {
+            select: {
+              id: true,
+              coachId: true,
+              seatNumber: true,
+              coach: { select: { coachType: { select: { name: true, type: true } } } },
+            },
+          },
+        },
+        orderBy: { blockedAt: 'desc' },
+      }),
+    ]);
+
+    // ── Sellable seats and assigned coaches, per schedule ───────────────────────
+    // Sellable = every seat on every assigned coach, minus dining coaches and
+    // placeholder rows — the same denominator the revenue-loss report uses.
+    const sellableBySchedule = new Map<string, number>();
+    const coachIdsBySchedule = new Map<string, Set<string>>();
+    for (const assignment of assignments) {
+      const coachIds =
+        coachIdsBySchedule.get(assignment.scheduleId) ?? new Set<string>();
+      coachIds.add(assignment.coachId);
+      coachIdsBySchedule.set(assignment.scheduleId, coachIds);
+
+      const coachType = assignment.coach?.coachType;
+      if (
+        isDiningCoach({
+          coachTypeType: coachType?.type ?? null,
+          coachTypeName: coachType?.name ?? null,
+        })
+      ) {
+        continue;
+      }
+      const sellable = (assignment.coach?.seats ?? []).filter(
+        (seat) => !isPlaceholderSeat(seat),
+      ).length;
+      sellableBySchedule.set(
+        assignment.scheduleId,
+        (sellableBySchedule.get(assignment.scheduleId) ?? 0) + sellable,
+      );
+    }
+
+    // ── Paid / unpaid, per schedule ────────────────────────────────────────────
+    const scheduleIdSet = new Set(scheduleIds);
+    const paidBySchedule = new Map<string, number>();
+    const unpaidBySchedule = new Map<string, number>();
+    for (const bs of bookingSeats) {
+      // Dining seats only — the drill-down does not drop placeholder rows from the
+      // passenger seat list, so neither does this.
+      const coachType = bs.seat?.coach?.coachType;
+      if (
+        isDiningCoach({
+          coachTypeType: coachType?.type ?? null,
+          coachTypeName: coachType?.name ?? null,
+        })
+      ) {
+        continue;
+      }
+
+      // Mirrors the OR branches, in the same order: an explicit `scheduleId` inside the
+      // window wins, then the return leg, then the booking's outbound schedule.
+      const scheduleId =
+        bs.scheduleId && scheduleIdSet.has(bs.scheduleId)
+          ? bs.scheduleId
+          : bs.leg === 2
+            ? bs.booking.returnScheduleId
+            : bs.booking.scheduleId;
+      if (!scheduleId || !scheduleIdSet.has(scheduleId)) continue;
+
+      const target =
+        bs.booking.status === 'PENDING_PAYMENT' ? unpaidBySchedule : paidBySchedule;
+      target.set(scheduleId, (target.get(scheduleId) ?? 0) + 1);
+    }
+
+    // ── Expired holds, per schedule ────────────────────────────────────────────
+    const holdsBySchedule = new Map<string, number>();
+    for (const hold of holds) {
+      holdsBySchedule.set(
+        hold.scheduleId,
+        (holdsBySchedule.get(hold.scheduleId) ?? 0) + 1,
+      );
+    }
+
+    // ── Blocked seats, per schedule ────────────────────────────────────────────
+    // One counted block per seat, resolved exactly as the drill-down resolves it: a
+    // schedule-scoped block beats a global one, and rows arrive newest-first so the
+    // first of a kind seen for a seat is already the most recent.
+    const blockedBySchedule = new Map<string, number>();
+    for (const schedule of schedules) {
+      const assignedCoachIds = coachIdsBySchedule.get(schedule.id) ?? new Set<string>();
+      const countedSeatIds = new Map<string, string | null>();
+
+      for (const block of blockRows) {
+        const seat = block.seat;
+        if (!seat || isPlaceholderSeat(seat)) continue;
+
+        const coachType = seat.coach?.coachType;
+        if (
+          isDiningCoach({
+            coachTypeType: coachType?.type ?? null,
+            coachTypeName: coachType?.name ?? null,
+          })
+        ) {
+          continue;
+        }
+
+        if (block.scheduleId !== null) {
+          if (block.scheduleId !== schedule.id) continue;
+        } else {
+          if (!assignedCoachIds.has(seat.coachId)) continue;
+          if (!isGlobalBlockInEffectAt(block, schedule.departureAt)) continue;
+        }
+
+        const existing = countedSeatIds.get(seat.id);
+        if (existing === undefined || (existing === null && block.scheduleId !== null)) {
+          countedSeatIds.set(seat.id, block.scheduleId);
+        }
+      }
+
+      if (countedSeatIds.size > 0) {
+        blockedBySchedule.set(schedule.id, countedSeatIds.size);
+      }
+    }
+
+    // ── Assemble ───────────────────────────────────────────────────────────────
+    const scheduleRows = schedules.map((s) => {
+      const sellableSeats = sellableBySchedule.get(s.id) ?? 0;
+      const paid = paidBySchedule.get(s.id) ?? 0;
+      const unpaid = unpaidBySchedule.get(s.id) ?? 0;
+      const expiredHolds = holdsBySchedule.get(s.id) ?? 0;
+      const blocked = blockedBySchedule.get(s.id) ?? 0;
+      // Floored at zero: a seat can be both sold and blocked, so the parts can
+      // over-subtract. Never render a negative slice.
+      const available = Math.max(0, sellableSeats - paid - unpaid - blocked);
+
+      return {
+        scheduleId: s.id,
+        trainNumber: s.train.number,
+        originStation: s.originStation.name,
+        destinationStation: s.destinationStation.name,
+        departureAt: s.departureAt,
+        isPackage: s.isPackageOnly,
+        sellableSeats,
+        paid,
+        unpaid,
+        expiredHolds,
+        blocked,
+        available,
+        loadFactorPercent:
+          sellableSeats > 0 ? +((paid / sellableSeats) * 100).toFixed(1) : 0,
+      };
+    });
+
+    // Day buckets keyed on the UTC calendar date of departure, so the chart's axis and
+    // its bars are derived from one value and cannot disagree with each other.
+    const byDayMap = new Map<string, ReturnType<typeof emptyDayBucket>>();
+    for (const row of scheduleRows) {
+      const date = row.departureAt.toISOString().slice(0, 10);
+      const bucket = byDayMap.get(date) ?? emptyDayBucket(date);
+      bucket.scheduleCount += 1;
+      bucket.sellableSeats += row.sellableSeats;
+      bucket.paid += row.paid;
+      bucket.unpaid += row.unpaid;
+      bucket.expiredHolds += row.expiredHolds;
+      bucket.blocked += row.blocked;
+      bucket.available += row.available;
+      byDayMap.set(date, bucket);
+    }
+    const byDay = [...byDayMap.values()].sort((a, b) => a.date.localeCompare(b.date));
+
+    const sum = (pick: (r: (typeof scheduleRows)[number]) => number) =>
+      scheduleRows.reduce((total, row) => total + pick(row), 0);
+
+    const totalSellable = sum((r) => r.sellableSeats);
+    const totalPaid = sum((r) => r.paid);
+
+    return {
+      window: {
+        from,
+        to,
+        days,
+        direction,
+        truncated: schedules.length === OVERVIEW_MAX_SCHEDULES,
+      },
+      totals: {
+        scheduleCount: scheduleRows.length,
+        sellableSeats: totalSellable,
+        paidCount: totalPaid,
+        unpaidCount: sum((r) => r.unpaid),
+        expiredHoldCount: sum((r) => r.expiredHolds),
+        blockedCount: sum((r) => r.blocked),
+        availableCount: sum((r) => r.available),
+        loadFactorPercent:
+          totalSellable > 0 ? +((totalPaid / totalSellable) * 100).toFixed(1) : 0,
+      },
+      byDay,
+      schedules: scheduleRows,
+    };
+  }
+
   async getPaymentDiscrepancyReport(params: {
     from?: string;
     to?: string;

apps/edr-passenger-web/backoffice/src/app/reports/seats/page.tsx

@@ -2,8 +2,9 @@
 
 import { useState } from "react";
 import { useQuery } from "@tanstack/react-query";
-import { CheckCircle, Clock, AlertCircle, Ban, Armchair, Download } from "lucide-react";
+import { CheckCircle, Clock, AlertCircle, Ban, Download } from "lucide-react";
 import { apiClient } from "@/lib/api-client";
+import FleetSeatOverview from "@/components/reports/FleetSeatOverview";
 import Badge from "@/components/ui/Badge";
 import ActionButton from "@/components/ui/ActionButton";
 import { formatDateTime, formatCurrency } from "@/lib/utils";
@@ -165,12 +166,9 @@ export default function SeatStatusReportPage() {
         {isError && <p className="text-xs text-red-500 mt-2">Failed to load report.</p>}
       </div>
 
-      {!scheduleId && (
-        <div className="card py-16 text-center text-muted-foreground">
-          <Armchair className="h-10 w-10 mx-auto mb-3 opacity-30" />
-          <p>Select a schedule above to load the seat status report</p>
-        </div>
-      )}
+      {/* Landing state only. Unmounts the moment a schedule is selected, leaving the
+          per-schedule report below untouched. */}
+      {!scheduleId && <FleetSeatOverview onSelectSchedule={setScheduleId} />}
 
       {data && (
         <>

apps/edr-passenger-web/backoffice/src/components/reports/FleetSeatOverview.tsx

@@ -0,0 +1,469 @@
+"use client";
+
+/**
+ * Fleet seat overview — the landing state of the Seat Status Report, shown only while
+ * no schedule is selected. Once a schedule is picked this component unmounts and the
+ * per-schedule drill-down takes over unchanged.
+ *
+ * Its numbers come from `/reports/seat-status/overview`, which applies the same counting
+ * rules as `/reports/seat-status`, so a schedule's row here equals what the drill-down
+ * shows after clicking it.
+ */
+
+import { useMemo } from "react";
+import { useQuery } from "@tanstack/react-query";
+import {
+  Bar,
+  BarChart,
+  CartesianGrid,
+  Cell,
+  ResponsiveContainer,
+  Tooltip,
+  XAxis,
+  YAxis,
+} from "recharts";
+import { Armchair, CalendarClock, TrendingUp } from "lucide-react";
+import { apiClient } from "@/lib/api-client";
+import { categoricalColor, getChartPalette } from "@/lib/chart-palette";
+import { useTheme } from "@/lib/theme-store";
+
+interface OverviewScheduleRow {
+  scheduleId: string;
+  trainNumber: string;
+  originStation: string;
+  destinationStation: string;
+  departureAt: string;
+  isPackage: boolean;
+  sellableSeats: number;
+  paid: number;
+  unpaid: number;
+  expiredHolds: number;
+  blocked: number;
+  available: number;
+  loadFactorPercent: number;
+}
+
+interface OverviewDayBucket {
+  date: string;
+  scheduleCount: number;
+  sellableSeats: number;
+  paid: number;
+  unpaid: number;
+  expiredHolds: number;
+  blocked: number;
+  available: number;
+}
+
+interface SeatStatusOverview {
+  window: {
+    from: string;
+    to: string;
+    days: number;
+    direction: "UPCOMING" | "RECENT";
+    truncated: boolean;
+  };
+  totals: {
+    scheduleCount: number;
+    sellableSeats: number;
+    paidCount: number;
+    unpaidCount: number;
+    expiredHoldCount: number;
+    blockedCount: number;
+    availableCount: number;
+    loadFactorPercent: number;
+  };
+  byDay: OverviewDayBucket[];
+  schedules: OverviewScheduleRow[];
+}
+
+/**
+ * Fixed domain order for the inventory series, matching the left-to-right order of the
+ * drill-down's summary cards. Colour is keyed by position here and never by rank in the
+ * data, so a quiet day does not repaint the series.
+ *
+ * Expired holds are deliberately absent: a hold that has expired no longer occupies a
+ * seat, so stacking it against sellable capacity would double-count. It is reported as a
+ * standalone counter instead.
+ */
+const INVENTORY_SERIES = [
+  { key: "paid", label: "Paid", slot: 0 },
+  { key: "unpaid", label: "Unpaid", slot: 1 },
+  { key: "blocked", label: "Blocked", slot: 3 },
+  { key: "available", label: "Available", slot: -1 },
+] as const;
+
+const MAX_SCHEDULE_BARS = 12;
+
+/** `YYYY-MM-DD` → `05 Mar`, parsed by parts so no timezone can shift the label. */
+function formatDayLabel(date: string): string {
+  const [, month, day] = date.split("-");
+  const monthName = [
+    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
+  ][Number(month) - 1];
+  return `${day} ${monthName}`;
+}
+
+function formatWindow(from: string, to: string): string {
+  const opts: Intl.DateTimeFormatOptions = { day: "2-digit", month: "short" };
+  return `${new Date(from).toLocaleDateString("en-GB", opts)} – ${new Date(
+    to,
+  ).toLocaleDateString("en-GB", opts)}`;
+}
+
+export interface FleetSeatOverviewProps {
+  /** Selecting a schedule from a chart hands control to the drill-down. */
+  onSelectSchedule: (scheduleId: string) => void;
+}
+
+export default function FleetSeatOverview({ onSelectSchedule }: FleetSeatOverviewProps) {
+  const isDark = useTheme((s) => s.isDark);
+  const palette = getChartPalette(isDark);
+
+  const { data, isLoading, isError } = useQuery<SeatStatusOverview>({
+    queryKey: ["seat-status-overview"],
+    queryFn: () => apiClient.get("/reports/seat-status/overview"),
+  });
+
+  const seriesColor = (slot: number) =>
+    slot < 0 ? palette.grid : categoricalColor(palette, slot);
+
+  const dayRows = useMemo(
+    () => (data?.byDay ?? []).map((d) => ({ ...d, label: formatDayLabel(d.date) })),
+    [data],
+  );
+
+  // Busiest departures first — a 12-bar chart of the whole window would be unreadable,
+  // and the ones carrying the most seats are the ones worth looking at.
+  const scheduleRows = useMemo(
+    () =>
+      (data?.schedules ?? [])
+        .slice()
+        .sort((a, b) => b.sellableSeats - a.sellableSeats)
+        .slice(0, MAX_SCHEDULE_BARS)
+        .map((s) => ({
+          ...s,
+          label: `${s.trainNumber} · ${new Date(s.departureAt).toLocaleDateString("en-GB", {
+            day: "2-digit",
+            month: "short",
+          })}`,
+        })),
+    [data],
+  );
+
+  if (isLoading) {
+    return (
+      <div className="card py-16 text-center text-muted-foreground">
+        <p className="text-sm">Loading fleet seat overview…</p>
+      </div>
+    );
+  }
+
+  if (isError) {
+    return (
+      <div className="card py-12 text-center">
+        <p className="text-sm text-red-500">Failed to load the fleet seat overview.</p>
+        <p className="text-xs text-muted-foreground mt-1">
+          Select a schedule above to load its report directly.
+        </p>
+      </div>
+    );
+  }
+
+  if (!data || data.totals.scheduleCount === 0) {
+    return (
+      <div className="card py-16 text-center text-muted-foreground">
+        <Armchair className="h-10 w-10 mx-auto mb-3 opacity-30" />
+        <p>No departures on record to summarise</p>
+        <p className="text-xs mt-1">Select a schedule above to load its seat status report</p>
+      </div>
+    );
+  }
+
+  const { window: win, totals } = data;
+
+  return (
+    <div className="space-y-6">
+      {/* Window banner — the report is fleet-wide until a schedule is chosen, and the
+          window may be historic, so both facts are stated rather than implied. */}
+      <div className="card">
+        <div className="flex items-start justify-between gap-4 flex-wrap">
+          <div className="flex items-start gap-3">
+            <CalendarClock className="h-5 w-5 text-muted-foreground mt-0.5 shrink-0" />
+            <div>
+              <p className="text-sm font-medium text-foreground">
+                All schedules · {formatWindow(win.from, win.to)}
+              </p>
+              <p className="text-xs text-muted-foreground mt-0.5">
+                {win.direction === "UPCOMING"
+                  ? `Next ${win.days} days — ${totals.scheduleCount} departure${totals.scheduleCount === 1 ? "" : "s"}`
+                  : `No upcoming departures — showing the most recent ${win.days} days (${totals.scheduleCount} departure${totals.scheduleCount === 1 ? "" : "s"})`}
+                {win.truncated && " · truncated to the first 60 departures"}
+              </p>
+            </div>
+          </div>
+          <div className="flex items-center gap-2 text-sm">
+            <TrendingUp className="h-4 w-4 text-muted-foreground" />
+            <span className="text-muted-foreground">Load factor</span>
+            <span className="font-semibold tabular-nums text-foreground">
+              {totals.loadFactorPercent}%
+            </span>
+          </div>
+        </div>
+      </div>
+
+      {/* Window totals. Distinct wording from the per-schedule summary cards so the two
+          are never mistaken for each other. */}
+      <div className="grid grid-cols-2 md:grid-cols-5 gap-4">
+        {[
+          { label: "Paid", value: totals.paidCount, hint: "Payment confirmed", slot: 0 },
+          { label: "Unpaid", value: totals.unpaidCount, hint: "Awaiting payment", slot: 1 },
+          { label: "Blocked", value: totals.blockedCount, hint: "Withheld from sale", slot: 3 },
+          { label: "Available", value: totals.availableCount, hint: "Still sellable", slot: -1 },
+          {
+            label: "Expired Holds",
+            value: totals.expiredHoldCount,
+            hint: "Last 24h, seats released",
+            slot: -2,
+          },
+        ].map((tile) => (
+          <div key={tile.label} className="card">
+            <div className="flex items-start gap-2">
+              {tile.slot !== -2 && (
+                <span
+                  className="h-2.5 w-2.5 rounded-full mt-1.5 shrink-0"
+                  style={{ backgroundColor: seriesColor(tile.slot) }}
+                  aria-hidden
+                />
+              )}
+              <div>
+                <p className="text-muted-foreground text-sm font-medium">{tile.label}</p>
+                <p className="text-2xl font-bold mt-1 tabular-nums text-foreground">
+                  {tile.value}
+                </p>
+                <p className="text-xs text-muted-foreground mt-1">{tile.hint}</p>
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
+
+      {/* Seat mix per departure day */}
+      <div className="card">
+        <div className="flex items-baseline justify-between gap-4 flex-wrap mb-1">
+          <h3 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground">
+            Seat mix by departure day
+          </h3>
+          <span className="text-xs text-muted-foreground">
+            {totals.sellableSeats} sellable seats in window
+          </span>
+        </div>
+        <p className="text-xs text-muted-foreground mb-4">
+          Every seat running on each day, split by what happened to it — paid, waiting on
+          payment, blocked, or still on sale. The whole bar is that day&apos;s capacity.
+        </p>
+
+        {/* Legend carries visible text labels — the palette's light-mode contrast is
+            validated only with that relief in place. */}
+        <div className="flex items-center gap-4 flex-wrap mb-3">
+          {INVENTORY_SERIES.map((s) => (
+            <div key={s.key} className="flex items-center gap-1.5">
+              <span
+                className="h-2.5 w-2.5 rounded-sm"
+                style={{ backgroundColor: seriesColor(s.slot) }}
+                aria-hidden
+              />
+              <span className="text-xs text-muted-foreground">{s.label}</span>
+            </div>
+          ))}
+        </div>
+
+        <ResponsiveContainer width="100%" height={260}>
+          <BarChart data={dayRows} margin={{ top: 4, right: 8, bottom: 4, left: 0 }}>
+            <CartesianGrid stroke={palette.grid} vertical={false} />
+            <XAxis
+              dataKey="label"
+              tick={{ fill: palette.textMuted, fontSize: 12 }}
+              stroke={palette.axis}
+              tickLine={false}
+            />
+            <YAxis
+              tick={{ fill: palette.textMuted, fontSize: 12 }}
+              stroke={palette.axis}
+              tickLine={false}
+              axisLine={false}
+              allowDecimals={false}
+            />
+            <Tooltip
+              cursor={{ fill: palette.grid, fillOpacity: 0.35 }}
+              contentStyle={{
+                background: palette.tooltipBg,
+                border: `1px solid ${palette.tooltipBorder}`,
+                borderRadius: 8,
+                fontSize: 12,
+              }}
+              labelStyle={{ color: palette.textMuted }}
+            />
+            {INVENTORY_SERIES.map((s) => (
+              <Bar
+                key={s.key}
+                dataKey={s.key}
+                name={s.label}
+                stackId="seats"
+                fill={seriesColor(s.slot)}
+                radius={s.key === "available" ? [3, 3, 0, 0] : undefined}
+              />
+            ))}
+          </BarChart>
+        </ResponsiveContainer>
+      </div>
+
+      {/* Load factor per schedule — doubles as the picker */}
+      <div className="card">
+        <h3 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground mb-1">
+          Load factor by departure
+        </h3>
+        <p className="text-xs text-muted-foreground mb-4">
+          How full each train is — paid seats as a share of the seats it can sell, so 100%
+          means sold out. Showing the {scheduleRows.length} busiest departure
+          {scheduleRows.length === 1 ? "" : "s"}; click a bar to open that train&apos;s
+          report.
+        </p>
+
+        <ResponsiveContainer width="100%" height={44 * scheduleRows.length + 32}>
+          <BarChart
+            data={scheduleRows}
+            layout="vertical"
+            margin={{ top: 0, right: 40, bottom: 0, left: 8 }}
+          >
+            <CartesianGrid stroke={palette.grid} horizontal={false} />
+            <XAxis
+              type="number"
+              domain={[0, 100]}
+              unit="%"
+              tick={{ fill: palette.textMuted, fontSize: 12 }}
+              stroke={palette.axis}
+              tickLine={false}
+              axisLine={false}
+            />
+            <YAxis
+              type="category"
+              dataKey="label"
+              width={130}
+              tick={{ fill: palette.textMuted, fontSize: 12 }}
+              stroke={palette.axis}
+              tickLine={false}
+              axisLine={false}
+            />
+            <Tooltip
+              cursor={{ fill: palette.grid, fillOpacity: 0.35 }}
+              contentStyle={{
+                background: palette.tooltipBg,
+                border: `1px solid ${palette.tooltipBorder}`,
+                borderRadius: 8,
+                fontSize: 12,
+              }}
+              labelStyle={{ color: palette.textMuted }}
+              formatter={(value: number, _name, entry: any) => [
+                `${value}% · ${entry?.payload?.paid ?? 0} of ${entry?.payload?.sellableSeats ?? 0} seats`,
+                "Load factor",
+              ]}
+            />
+            <Bar
+              dataKey="loadFactorPercent"
+              name="Load factor"
+              fill={palette.sequential}
+              radius={[0, 3, 3, 0]}
+              cursor="pointer"
+              onClick={(entry: any) => {
+                const id = entry?.payload?.scheduleId ?? entry?.scheduleId;
+                if (id) onSelectSchedule(id);
+              }}
+            >
+              {scheduleRows.map((row) => (
+                <Cell key={row.scheduleId} fill={palette.sequential} />
+              ))}
+            </Bar>
+          </BarChart>
+        </ResponsiveContainer>
+      </div>
+
+      {/* The same numbers as a table — required relief for the palette's light-mode
+          contrast, and the only place the per-schedule detail is readable exactly. */}
+      <div className="card p-0">
+        <div className="px-4 pt-4 pb-3">
+          <h3 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground">
+            Schedules in window
+          </h3>
+          <p className="text-xs text-muted-foreground mt-1">
+            The exact numbers behind the charts, one row per departure. Click a row to
+            open that train&apos;s full seat status report.
+          </p>
+        </div>
+        <div className="overflow-x-auto">
+          <table className="w-full text-sm">
+            <thead className="bg-gray-50 dark:bg-gray-800">
+              <tr>
+                {[
+                  "Departure",
+                  "Train",
+                  "Route",
+                  "Sellable",
+                  "Paid",
+                  "Unpaid",
+                  "Blocked",
+                  "Available",
+                  "Load",
+                ].map((h) => (
+                  <th
+                    key={h}
+                    className="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-400 whitespace-nowrap"
+                  >
+                    {h}
+                  </th>
+                ))}
+              </tr>
+            </thead>
+            <tbody className="bg-white dark:bg-gray-900 divide-y divide-gray-200 dark:divide-gray-700">
+              {data.schedules.map((s) => (
+                <tr
+                  key={s.scheduleId}
+                  onClick={() => onSelectSchedule(s.scheduleId)}
+                  className="hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors cursor-pointer"
+                >
+                  <td className="px-4 py-3 whitespace-nowrap text-xs text-muted-foreground">
+                    {new Date(s.departureAt).toLocaleString("en-GB", {
+                      dateStyle: "medium",
+                      timeStyle: "short",
+                    })}
+                  </td>
+                  <td className="px-4 py-3 whitespace-nowrap font-medium">
+                    {s.trainNumber}
+                    {s.isPackage && (
+                      <span className="text-muted-foreground text-xs"> (package)</span>
+                    )}
+                  </td>
+                  <td className="px-4 py-3 whitespace-nowrap text-xs">
+                    {s.originStation} → {s.destinationStation}
+                  </td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">
+                    {s.sellableSeats}
+                  </td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">{s.paid}</td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">{s.unpaid}</td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">{s.blocked}</td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">
+                    {s.available}
+                  </td>
+                  <td className="px-4 py-3 whitespace-nowrap tabular-nums">
+                    {s.loadFactorPercent}%
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  );
+}